Approved DDT Proposals

The table below lists proposals approved for Director's Discretionary Time (DDT) on the VLA and VLBA. The following is provided for each approved proposal: PI name, proposal ID, proposal title, date approved, maximum hours approved, and proprietary period in months.

Refer to the Past Approved DDT Proposals page, to view DDT submissions since 1 July 2013.

For an approved DDT proposal, the Proposal Finder Tool will have access to its authors, title, abstract, and approved hours.

PI ID Title

Date

M/D/Y

Hours

Proprietary Months

Deepak Eappachen

VLA/24B-492 Unveiling the nature of Einstein-Probe-discovered Fast X-ray Transient EP241107a 11/20/2024 1.0 6

Keiichi Umetsu

VLA/24B-483 Unveiling Hidden Lenses: Strongly Lensed Radio Sources Behind Edge-on Galaxies 10/25/2024 0.8 6

Xinwen Shu

VLA/24B-479 Revealing unusual SED evolution from a relativistic TDE in a starforming galaxy 10/10/2024 1.1 6

Yash Bhusare

VLA/24B-477 Exploring the Persistent Radio Source associated with FRB 20220912A with EVLA 10/04/2024 4.0 6

Shobha Kumari

VLA/24B-476 Study the radio emission in Aql X-1 during the thermonuclear X-ray burst 10/03/2024 1.0 6

Tatiana Rodriguez

VLA/24B-473 Follow-up to the serendipitous discovery of radio jet variation in G23.01-00.41 09/30/2024 4.5 6

Yuanqi Liu

VLA/24B-471 EP240913a: A Potential High-Redshift GRB or New Class of X-ray Transient 09/20/2024 4.0 6

Lei Zhang

VLA/24B-470

Localization of the first pulsar associated with the oldest open cluster

09/24/2024 3.8 6

Francesco Carotenuto

VLA/24B-469

Detecting relativistic discrete ejecta from a transitional millisecond pulsar

09/13/2024 3.0 6

Xian Zhang

VLA/24B-467

Follow-up Observations of the Radio Continuum Counterpart of FRB 20240114A

09/16/2024 5.1 6

Rupak Roy

VLA/24B-465

JVLA DDT observation of the radio counterpart of nuclear transient iPTF15dof

09/11/2024 2.64 6

Joseph Michail

VLA/24B-463

Concurrent Radio Coverage of 6 September 2024 Multiwavelength Campaign of Sgr A*

09/05/2024 7.0 6

Lorant Sjouwerman

VLA/24B-458

Best upper limit for Gaia BH3, with 33Msun the most massive stellar black hole.

08/20/2024 50.0 6

Jean Somalwar

VLA/24B-456

VLA Observations of the most extreme TDE or LFBOT

08/15/2024 1.67 6

Nayana AJ

VLA/24A-498

A deep search for radio emission from Type-Ia SNe with MIR brightenings

08/08/2024 2.0 6

Aiyuan Yang

VLA/24A-497

A wide-band study of radio flux variability in UCHII regions

08/06/2024 1.6 6

Sabyasachi Pal

VLA/24A-496

Disk-jet Connection in the X-ray Pulsar XTE J1946+274

08/02/2024 1.0 6

Vikram Ravi

VLBA/24A-495

AT2024kmq: HSA observations of a TDE with evidence of an off-axis jet

07/31/2024 3.3 6

Yuhan Yao

VLA/24A-494

AT2024kmq: A radio and X-ray loud TDE with evidence of an off-axis jet

07/29/2024 3.0 6

Natasha Hurley-Walker

VLA/24A-493

Tracking a long-period radio transient "around the world"

07/26/2024 8.17 6

Ailing Wang

VLA/24A-491

EP240425a - a new type of X-ray binaries?

07/23/2024 7.17 6

Eileen Meyer

VLA/24A-490

A Complete Spectrum of the late-time radio flare of 1ES 1927+654

07/17/2024 3.76 6

Xian Zhang

VLA/24A-488

Multi-band VLA observations of a hyperactive repeating FRB 20240114A

07/11/2024 3.2 6

Yuhan Yao

VLA/24A-487

Radio Observations of a TDE with Luminous and Variable Hard X-ray Emission

07/08/2024 5.45 6

Casey Law

VLA/24A-486

Localizing the Hyperactive Repeating FRB 20240209A

06/28/2024 4.0 6

Yanan Wang

VLA/24A-485

Covariation between accretion and ejection processes in a TDE

06/28/2024 3.0 6

Poonam Chandra

VLA/24A-483

Radio follow up observations of SN 2024ggi in NGC3621

06/24/2024 8.0 6

Lorant Sjouwerman

VLA/24A-482

Is Gaia BH3, with 33 Msun, (or it's companion) a radio source?

06/11/2024 1.0 6

Yanan Wang

VLBA/24A-480

Imaging a flaring nuclear transient with VLBA

06/06/2024 10 6

Harsh Kumar

VLA/24A-479

VLA Exploratory Observations of a high redshift luminous TDE

06/04/2024 3.0 6

Ran Wang

VLA/24A-478

Radio Variability in the Most Massive and Radio-quiet Quasar at z=6.3

06/03/2024 4.33 6

Kevin Ortiz Ceballos

VLA/24A-477

Exploring Star-Planet Interaction in a New Nearby Exoplanet System

05/30/2024 2.0 6

Maria Cristina Baglio

VLA/24A-476

Probing the emission of Transitional Pulsars using radio-to-X-rays polarimetry

05/29/2024 4.0 6

Sara Elisa Motta

VLA/24A-474

The changing-angle jets in GRS 1915+105

05/23/2024 2.0 6

Chenoa Tremblay

VLA/24A-473 Searching for Technosignatures toward potential Dyson Spheres

 

05/20/2024 2.0 6

Yuanqi Liu

VLA/24A-472

EP240425a - a new type of X-ray binaries?

05/16/2024 2.5 6
VLBA/24A-471 4 6

Andrew Hughes

VLA/24A-469

MULTI-WAVELENGTH POLARIMETRY TO PROBE THE EVOLVING GEOMETRY OF CYG X-1

05/06/2024 3.75 6

Yanan Wang

VLA/24A-466>

Constraining the period of radio flares in a nuclear transient with the VLA

04/23/2024 5.0 6

Poonam Chandra

VLA/24A-462

SN 2024ggi: A nearby supernova at 7 Mpc in NGC3621

04/18/2024 3.0 6

Nathan Roth

VLA/24A-458

Imaging NH3 in Comet 12P: Coordinated VLA/IRTF/SMA/ALMA Large Program Studies

04/03/2024 9.0 6

Xinwen Shu

VLA/24A-457

Radio emission of a peculiar months-long sustained X-ray flare discovered by EP

04/01/2024 1.0 6

Joe Bright

VLA/24A-455

Measuring the Spectrum of the First Radio Loud Fast X-ray Transient

03/25/2024 4.26 6

Eileen Meyer

VLBA/24A-454

VLBA Observations of TeV-flaring Radio Galaxy IC 310

03/21/2024 4.0 6

Anna Ho

VLA/24A-453

VLA Characterization of Einstein Probe Fast X-ray Transients

03/25/2024 2.0 6

Eileen Meyer

VLA/24A-451

VLA Observations of TeV-flaring Radio Galaxy IC 310

03/22/2024 1.25 6

Farhad Yusef-Zadeh

VLA/24A-447

Simultaneous VLA and JWST Monitoring of Sgr A* on  March 21,  2024

03/19/2024 4.75 6

Yanan Wang

VLA/24A-442

Characterizing the accretion-ejection activities in a nuclear transient with VLA

03/04/2024 5.0 6

James Leung

VLBA/24A-441

 High-resolution imaging of late-time radio rebrightening in SN 2022xxf

03/01/2024 30.0 6
Anna Ho VLA/24A-439

Search for a radio counterpart to X-ray transient EPW20240219aa

02/23/2024 2.0 6
Gabriele Bruni VLA/24A-435

The multiple activity phases of the giant radio galaxy B2 1144+35B

02/28/2024 8.0 6
Yanan Wang VLA/24A-434

AT 2019avd: Tracking the evolution of its long-lived radio flare

02/26/2024 2.0 6
Adam Deller VLBA/24A-431

Localising a newly-discovered 20-Jy pulsar with a 44 minute period

02/12/2024 10.0 6
Florian Roesch GMVA/23B-352

High-Resolution Imaging of the Flaring Neutrino-Candidate Blazar PKS 0446+11

09/02/2024 6.0 6
Walter Golay VLBA/23B-350

Resolving the Astrometric & Morphological Evolution of an X-ray TDE

26/01/2024 8.0 6
Ulisse Munari VLBA/23B-349

Filming the late evolution of the shocked ejecta in T CrB

09/01/2024 54 6
Xinwen Shu VLA/23B-348 Revealing unusual SED evolution from a relativistic TDE in a starforming galaxy 01/12/2024 1.28 6
Laurent Loinard VLBA/23B-347

Radio emission from the binary planetary system JuMBO24 in Orion

01/11/2024 6.25 6
Antonio Rodriguez VLA/23B-345 The First Accreting White Dwarf Pulsar 01/05/2024 6.0 6
Walter Golay VLBA/23B-341 Resolving the Astrometric & Morphological Evolution of an Infrared TDE 12/19/2023 8.0 6
VLA/23B-340 0.5 6
Genevieve Schroeder VLA/23B-338 Constraining the Burst Properties of Nearby Short GRB 231117A 12/18/2023 3.0 6
Adam Dong VLA/23B-337 VLA DDT for Novel CHIME/FRB/Pulsar Long Period Transient Candidate J1634+44 12/12/2023 4.0 6
Cristiana Spingola VLBA/23B-334 Confirming the dual nature of the first binary AGN at z > 3 12/08/2023 24.0 6
Itai Sfaradi VLA/23B-333 Characterizing the delayed radio flare of a TDE 12/08/2023 3.75 6
Raphael Baer-Way VLA/23B-332 VLA DDT Proposal for observations of radio bright type IIb SN 2023mut 12/07/2023 5.0 6
Nayana AJ VLA/23B-330 Probing the late-time radio emission from an old supernova - SN2012au 12/05/2023 3.0 6
Miika Pursiainen VLA/23B-328 Constraining the outflow of a rare Type Icn supernova 11/28/2023 14.0 6
Tim Bastian VLA/23B-326 Radio Polarimetry of Coronal Mass Ejection Precursors 11/16/2023 5.5 6
Ross Burns VLBA/23B-325 Imaging a flaring 6.7 GHz methanol maser in a high-mass protostar 11/14/2023 6 6
Yi Feng VLA/23B-324 Arcsecond localization of the active repeater FRB 20231001 with VLA 11/06/2023 6.0 6
Collin Christy VLA/23B-321 Investigating a Rapidly Evolving Radio Luminous TDE 11/03/2023 3.0 6
Casey Law VLA/23B-318 Searching for Persistent Emission from the Remarkable FRB "Ada" 10/24/2023 1.49 6
Theo O'Neill VLA/23B-317 21-cm HI Observations of "Mist" in the Galactic CGM: A pilot survey 10/20/2023 13.0 6
Ilsang Yoon VLA/23B-316 Detecting Cold Gas Reservoir in the Most Distant Proto-Cluster at z=7.9 10/06/2023 30.0 6
Richard Plotkin VLA/23B-315 Multiwavelength Variability of a Quiescent X-ray Binary 10/09/2023 4.92 6
Sara Elisa Motta VLA/23B-314 A new launching angle and low speed for the renewed jets in GRS 1915+105 09/29/2023 2.20 6
Alejandro Benitez Llambay VLA/23B-313 ELUCIDATING THE TRUE NATURE OF CLOUD-9: A STARLESS DARK MATTER HALO 10/11/2023 5.0 6
Francesca Calore VLA/23B-312 A new millisecond pulsar towards the Galactic center 10/03/2023 7.0 6
Xinwen Shu VLA/23B-311 Nature of unusual SED evolution from a radio-bright TDE in a starforming galaxy 10/03/2023 1.28 6
Gregory Walsh VLBA/23B-310 The VLBI Jet of the Sub-pc SMBHB Candidate 4C 18.47 10/02/2023 2.75 6
Chenoa Tremblay VLA/23B-307 Searching for Technosignatures and a Magnetosphere toward K2-18b 09/26/2023 10.0 6
Jingbo Sun VLA/23B-306 Trace the radio emission in the TDE-like and re-brightened NLS1 J1612+4219 09/21/2023 2.75 6
Mark Claussen VLBA/23B-305 SiO Maser Emission During/After Periastron Passage of the Symbiotic Binary R Aqr  09/20/2023 18.0 6
Mark Claussen VLA/23B-304 SiO Maser Emission During/After Periastron Passage of the Symbiotic Binary R Aqr 09/20/2023 3.75 6
Zhengwei Liu VLA/23B-299 Follow-up observations of the first radio-detected SN Ia 2020eyj 09/08/2023 4.0 6
Erik Carlson VLA/23B-297 Testing Super Resolution Imaging of the VLASS to Hunt for Radio Jets 09/01/2023 3.0 6
Qi Yuan VLA/23B-296 Confirming the radio property of a unique triple broad-line AGN candidate 08/31/2023 5.39 6
Poonam Chandra VLA/23B-292 Chasing a very bright GRB at VLA frequencies - GRB 230812B 08/24/2023 6.0 6
Itai Sfaradi VLA/23B-291 Characterizing the radio emission from the candidate orphan afterglow AT2023jxk 08/17/2023 6.0 6
Emmanuel Fonseca VLA/23B-290 Localization of a Slow Pulsar and its Dark Companion discovered by CHIME/Pulsar 08/17/2023 1.5 6
Anuj Sarma VLA/23B-289 The feasibility of observing 38 GHz methanol masers toward NGC 6334F in A config 08/15/2023 0.75 6
Benjamin Gompertz VLA/23A-436 Did VLASS detect renewed radio emission one year after GRB 220706A? 08/02/2023 0.78 6
Farhad Yusef-Zadeh VLA/23A-434 Simultaneous VLA and JWST Monitoring of Sgr A* in the August 14-21, 2023 Window 08/04/2023 7.0 6
Agniva Roy Chowdhury VLBA/23A-431 VLBA Monitoring of a Possible Nascent Radio Jet in 1ES 1927+654 07/18/2023 16.6 6
Florian Eppel VLBA/23A-429 A TeV-Emitting Blazar and Supermassive Binary Black Hole Candidate In Outburst 07/18/2023 24.0 6
Anita Richards VLA/23A-430 Zero to hero? the exceptional flares of R Aql 07/17/2023 1.1 6
Erik Carlson VLA/23A-428 Searching for the Radio Jet in the Quasar CFHQS J142952+544717 at z = 6.18 07/12/2023 2.0 6
John Cannon VLA/23A-427 AGC 268071: Local Group Galaxy or Anomalous Milky Way Gas? 07/11/2023 12.0 6
Daniel Perley VLA/23A-426 Multifrequency observations of orphan afterglow AT2023lcr 06/26/2023 19.5 6
Zhengwei Liu VLA/23A-425 Refining the flux density evolution of the first radio-detected SN Ia 2020eyj 06/29/2023 1.0 6
Elizabeth Adams VLA/23A-424 Measuring the properties of a candidate dark galaxy 07/03/2023 12.0 6
Joseph Lyman VLA/23A-423 Constraining the environment and relativistic outflow of an energetic supernova 06/23/2023 10.5 6
Anna Ho VLA/23A-422 Constraints on the nature of the LFBOT AT2022abfc via wideband VLA+GMRT SED 06/21/2023 1.5 6
Lorena Hernandez-Garcia VLBA/23A-421 Characterizing the peculiar nuclear transient AT2021hdr 06/20/2023 10.0 6
Andrew Hughes VLA/23A-417 Probing the Persistent Radio Emission Coincident with a Transient X-ray Binary 06/16/2023 1.0 6
Anna Ho VLA/23A-415 AT2023hkw: A Luminous Fast Blue Optical Transient 06/05/2023 3.91 6
Yuhan Yao VLA/23A-413 Radio Afterglows from Optically Overluminous Tidal Disruption Events 06/02/2023 8.16 6
Lorant Sjouwerman VLA/23A-412 IRAS 19148+1138: an Asymptotic Giant Branch star candidate in VLASS 05/24/2023 1.0 6
Jean Somalwar VLA/23A-409 A highly energetic partial tidal disruption candidate 05/24/2023 1.5 6
Agniva Roy Chowdhury VLA/23A-407 1ES 1927+654: constraining the origin of extreme radio variability with VLA/VLBA 05/18/2023 5.18 6
Agniva Roy Chowdhury VLBA/23A-406 1ES 1927 : constraining origin of extreme radio variability using VLA/VLBA 05/18/2023 10.0 6
Anna Ho VLA/23A-403 AT2023fhn: A Luminous Fast Blue Optical Transient 05/09/2023 5.0 6
Agniva Roy Chowdhury VLBA/23A-396  1ES1927: constraining soft X-ray excess models with VLBA monitoring  04/17/2023 3.5 6
Joshua Lovell VLA/23A-395 Confirming free-free radio emission from the planetesimal belt wind of NO Lup 04/08/2023 0.75 6
Florian Eppel VLBA/23A-394 A TeV-Emitting Blazar and Supermassive Binary Black Hole Candidate In Outburst 04/04/2023 12.0 6
Anna Ho VLA/23A-393 Expanding the Known Range of LFBOT Physical Properties 03/22/2023 3.7 6
Yvette Cendes VLA/23A-392 VLA Observations of an Infrared TDE at 42 Mpc 03/21/2023 1.5 6
Minfeng Gu VLA/23A-390 Trace the radio emission in the TDE-like and re-brightened NLS1 J1612+4219 03/17/2023 4.0 6
Laura Chomiuk VLA/23A-389 A Single, Radio-Emitting White Dwarf Discovered in VLASS? 03/14/2023 0.5 6
Silvia Belladitta VLA/23A-388 The radio view of a z~6 quasar discovered by eROSITA 03/10/2023 1.0 6
Tatiana Rodriguez VLA/23A-386 22.2 GHz H2O maser Zeeman effect detection confirmation 02/13/2023 1.0 6
Ye Li VLA/23A-385 Sub-arcsecond localization of an active repeating Fast Radio Burst with VLA 02/14/2023 12.0 6
Sabyasachi Pal VLA/23A-384 Probing Multi-wavelength Nature of Be/X-ray Pulsar LS V +44 17 02/13/2023 0.75 6
Poonam Chandra VLA/23A-383 Chasing a very bright GRB at VLA frequencies - GRB 230204B 02/10/2023 4.0 6
Sumit Sarbadhicary VLA/23A-382 VLA observation of the very young nearby Type Ia SN 2023bee 02/08/2023 1.0 6
Paul Barrett VLA/22B-361 The magnetic cataclysmic variable EF Eri in outburst 01/30/2023 1.7 6
Chenoa Tremblay VLA/22B-340 Follow-up of Methanol Masers in M31, the Andromeda galaxy 01/13/2023 4.5 6
Harish Vedantham VLA/22B-332 Search for a spectral cut-off from a newly discovered radio brown-dwarf 12/30/2022 4.5 6
Fabio Pacucci VLA/22B-325 Unveiling the Spectral Energy Distribution of the SMBH at the center of Leo I 12/18/2022 2.0 6
Yibo Wang VLA/22B-319 The broad band radio spectrum of ASASSN-18ap 12/01/2022 1.85 6
Catherine Fielder VLA/22B-318 The origins of a tidally influenced, UV bright ultra-diffuse galaxy 11/17/2022 9.0 6
Xinwen Shu VLA/22B-317 Witnessing the fast jet ejections towards the end of an AGN state transition 11/08/2022 1.62 6
Paolo Leto VLA/22B-314 First radio characterisation of a magnetic super-Chandrasekhar mass helium star 11/04/2022 2.02 6
Alessandra Corsi VLA/22B-311 Jansky VLA monitoring of SN 2022xxf: A broad-lined type Ic supernova at ~15 Mpc 10/27/2022 12.0 6
Shriharsh Tendulkar VLA/22B-307 Sub-arcsecond localization of a new hyperactive repeating Fast Radio Burst 10/20/2022 5.0 6
Kate Alexander VLBA/22B-305 Resolving the Afterglow of the Exceptional GRB 221009A with the VLBA 10/14/2022 42.0 6
Tao An VLBA/22B-304 Determining the size and expansion speed of the early outflow of GRB 221009A  10/14/2022 11.0 6
Joe Bright VLBA/22B-302 Resolving the afterglow of GRB 221009A 10/14/2022 16.0 6
Gabriele Bruni VLA/22B-299 VLA observations of the closest TDE candidate to date 10/10/2022 0.75 6
Fabio Pacucci VLA/22B-297 Capturing the Radio Emission from the SMBH at the Center of Leo I 10/01/2022 0.75 6
Yvette Cendes VLA/22B-294 VLA Observations of a Black Hole with a Sun-like Companion 09/29/2022 4.0 6
Michael Rugel VLA/22B-293 Thermal emission in Cygnus X 09/16/2022 15.0 6
Lynn Matthews VLA/22B-286 Radio Flux Measurements of Betelgeuse in the Aftermath of the Great Dimming 08/23/2022 1.5 6
Yi Feng VLA/22B-284 Arcsecond localization of the active repeater FRB 20220529 with VLA 08/17/2022 6.0 6
Xinwen Shu VLA/22B-282 Witnessing the fast jet ejections associated with AGN state transitions 08/08/2022 1.59 6
Poonam Chandra VLA/22A-509 Late time increase in radio emission for SN 2018ivc: Indication for binarity? 08/05/2022 3.5 6
Xinwen Shu VLA/22A-507 Probing radio emission from recurrent optical flares in the nucleus of an ULIRG 07/15/2022 0.80 6
Harish Vendanthem VLA/22A-501 A candidate radio-loud brown dwarf in the desert 06/23/2022 0.75 6
Kirill Sokolovsky VLA/22A-500 Multi-frequency monitoring of novae U Sco, RS Oph and V1405 Cas 06/17/2022 10.5 6
Joseph Michail VLA/22A-499 Verifying Sgr A*'s Spectral Change from 4 to 45 GHz 06/15/2022 2.0 6
Javier Moldon VLA/22A-497 Hunting the evolution and spectrum of the first SN Ia CSM radio detection 06/08/2022 3.15 6
Genevieve Schroeder VLA/22A-495 Uncovering Evidence for the Birth of a Magnetar in GRB 211211A 06/08/2022 6.0 6
Vikram Ravi VLA/22A-490 DSA-110 Discovery of an FRB in the Local Universe 05/24/2022 1.0 6
Di Wen VLBA/22A-489 Resolving the Radio Afterglow of a Short Gamma-Ray Burst 05/23/2022 6.0 6
Yi  Feng VLA/22A-488 Arcsecond localization of the active repeater FRB 20190417A with VLA 05/13/2022 10.0 6
Lin Yan VLA/22A-485 Radio Follow-up of Two SLSN-I with Late-time HST UV Detections 05/07/2022 3.0 6
Xiaolong Yang VLA/22A-480 Capturing the radio flare from the changing-look AGN 1ES 1927+654 04/26/2022 2.88 6
Tao An VLBA/22A-479 Radio emission properties of an imminently coalescing SMBH binary J1430+2303 04/20/2022 10.0 6
Xinwen Shu VLA/22A-476 Witnessing the fast jet ejections associated with AGN state transitions 04/19/2022 1.17 6
Javier Moldon VLA/22A-472 Towards the discovery of the first SN Ia CSM radio detection 04/12/2022 1.84 6
Di Wen VLA/22A-471 Radio Afterglow of a Lensed Short Gamma-ray Burst 04/12/2022 2.0 6
Kishalay De VLA/22A-464 Search for maser emission in an exceptional Galactic stellar merger candidate 03/21/2022 2.0 6
Arvind Balasubramanian VLA/22A-463 VLA follow-up of the nearby BL-Ic supernova SN2022crr (ZTF22aabgazg) 03/15/2022 14.0 6
Florian Eppel VLBA/22A-460 An IceCube Neutrino Coincident with a Blazar Outburst in Radio and Gamma-ray 03/16/2022 54.0 6
Yvette Cendes VLA/22A-458 Continued Observations of a Delayed Relativistic Outflow in a TDE 03/08/2022 3.0 6
Yiqing Song VLA/22A-454 Investigating the Nature of the First AME Candidate in a local LIRG 03/07/2022 2.0 6
Andrea Gorkus VLBA/22A-453 Tracking A Blazar Jet Ejection at Redshift 4.3 03/08/2022 25.0 6
Kunal Mooley VLBA/22A-451 VLBA Astrometry of the Jetted Tidal Disruption Candidate: AT2022cmc 03/01/2022 16.0 6
Gregory Walsh VLA/22A-449 High Resolution Observations of Radio-Emitting, Optically-Variable Quasars 02/25/2022 2.5 6
Thomas Maccarone VLA/22A-448 Searching for ISM accretion from a microlens-selected black hole 02/24/2022 12.0 6
Andrew Hughes VLA/22A-444 Finding/Monitoring the Radio Counterpart to a Rare Galactic Gamma-Ray Transient 02/08/2022 4.7 6
Tao An VLBA/22A-443 Compact radio source associated with a possibly imminent merger of SMBH binary 02/14/2022 9.0 6
Xinwen Shu VLA/21B-375 Radio properties from an unprecedented SMBH binary at its last inspiring stage 02/03/2022 1.74 6
Joseph Michail VLBA/21B-371 Simultaneous 86 GHz VLBA+GBT and EHT Observations in March 2022 01/11/2022 21.0 6
Stefano Giarratana VLA/21B-370 GRB 211211A: a compact binary merger or a massive star core-collapse? 01/06/2022 6.0 6
Wendy Peters VLA/21B-369 Re-observation of failed VLITE Commensal Sky Survey Fields 12/30/2021 65.0 0
Dante Hewitt VLA/21B-368 An FRB in a dusty starburst galaxy 12/21/2021 2.0 6
Jean Somalwar VLBA/21B-367 Resolving a jetted tidal disruption event in a nearby galactic nucleus 12/20/2021 0.75 6
Venkatessh Ramakrishnan VLBA/21B-366 Monitoring the spectral changes of the compact core in flaring blazar 1156+295 12/20/2021 18.0 6
Gregory Sivakoff VLA/21B-364 Radio Evolution of Astrophysical Candidates to Neutrino Candidate IceCube 21125A 12/06/2021 7.0 6
Yvette Cendes VLA/21B-360 The Origin of Late-Time Radio Emission in TDEs: Follow-up of Recent Discoveries 12/01/2021 8.5 6
Craig Heinke VLA/21B-359 Identifying the outbursting X-ray binary in NGC 6440 & measuring its radio flux 11/18/2021 2.75 6
Xinwen Shu VLA/21B-358 Monitoring the fast jet ejections associated with rare, repetitive AGN outbursts 10/26/2021 1.5 6
Yvette Cendes VLA/21B-357 Investigation in Late-Time Emission of TDE AT2018hyz 10/24/2021 2.0 6
Assaf Horesh VLA/21B-356 Characterizing the interaction of SN 2021eay with a complex CSM structure 10/22/2021 4.0 6
Ran Wang VLA/21B-355 Radio variability in the most massive and radio quiet quasar at z=6.3 10/20/2021 3.0 6
Kirill Sokolovsky VLA/21B-351 Measuring nova ejecta masses with radio observations of thermal emission 10/07/2021 14.0 6
Yi Feng VLA/21B-350 Arcsecond localization of the active repeater FRB 20190417A with VLA 10/05/2021 10.0 6
Whee Yeon Chong VLBA/21B-349 Continued Astrometric Monitoring of the Gamma Ray Flaring BL Lac 10/06/2021 30.0 6
Poonam Chandra VLA/21B-345 DDT VLA observations of a X-ray bright Type IIn supernova, SN 2020ywx 09/14/2021 4.0 6
Adelle Goodwin VLA/21B-343 Radio follow-up observations of an FRB-BNS merger coincidence 09/07/2021 1.9 6
Simon de Wet VLA/21B-342 GRB 210731A - further observations request based on X-band detection 08/31/2021 4.2 6
Amy Mioduszewski VLA/21B-336 RS Oph 2021: A New Eruption of an Exciting Recurrent Nova 08/17/2021 17.5 6
Amy Mioduszewski VLBA/21B-335 RS Oph 2021: A New Eruption of an Exciting Recurrent Nova 08/17/2021 28.0 6
Pratik Kumar VLA/21B-334 Bow-shock pulsar wind nebula of PSR J0002+6216 08/13/2021 3.0 6
Simon de Wet VLA/21B-333 The rising afterglow of GRB 210731A 08/12/2021 1.4 6
Gabriele Bruni VLA/21B-330 Resolving the star-forming region hosting the fast radio burst FRB20201124A 08/11/2021 5.5 6
Joris Kersten VLA/21A-440 A nearby WZ Sge type dwarf nova in outburst: V627 Pegasi 07/19/2021 1.75 6
Venkatessh Ramakrishnan VLBA/21A-438 Constraining the mass and spin of supermassive black hole in NGC 1052 07/15/2021 6.3 6
Jean Somalwar VLA/21A-432 A radio selected tidal disruption event 06/25/2021 1.0 6
Silvia Belladitta VLA/21A-431 Unveiling the radio spectrum of a young radio source in the early Universe 06/23/2021 2.5 6
Paul Demorest VLA/21A-426 Tracking rapid, unexpected pulse shape changes in MSP J1713+0747 05/26/2021 14.0 6
Yanan Wang VLBA/21A-425 Catching the newborn radio components associated with AT2019avd 05/21/2021 6.0 6
John Tobin VLA/21A-423 Testing the Link between Accretion and Outflow in an Outbursting Protostar 05/13/2021 13.2 6
Joe Bright VLA/21A-422 Searching for Radio Emission from a Fast X-ray Transient 05/07/2021 6.68 6
Neeraj Gupta VLBA/21A-421 Resolving a powerful quasar at z~2 with signatures of infalling cold gas 05/06/2021 2.0 6
Rupak Roy VLA/21A-420 JVLA DDT follow-up observation of the nuclear transient - AT2020ohl 05/10/2021 2.5 6
Dongzi Li VLBA/21A-415 VLBA milliarcsecond localization of FRB20201124A 04/07/2021 6.0 6
John Tobin VLA/21A-409 Testing the Link between Accretion and Outflow in an Outbursting Protostar 03/24/2021 3.5 6
Sanchayeeta Borthakur VLA/21A-408 High-spectral Resolution HI Study of the Extended UV Disk of NGC 3344 03/24/2021 4.0 6
Marcello Giroletti VLA/21A-406 A radio movie to investigate hot spots on Io's surface during an occultation 03/24/2021 0.75 6
Eileen Meyer VLBA/21A-403 Probing the Accretion-Ejection Link in Changing-Look AGN 1ES 1927+654 03/05/2021 3.5 6
Arash Bahramian VLA/21A-400 Nature of a new X-ray transient in the unusual Galactic cluster GLIMPSE-C01 02/25/2021 2.0 6
Xinwen Shu VLA/21A-397 Probing a likely nascent and evolving radio jet from a mid-IR outbursting galaxy 02/19/2021 1.11 6
Jeff Cooke VLA/21A-396 VLA follow-up of an optical transient in Arp 147 02/19/2021 1.0 6
Assaf Horesh VLA/21A-394 Characterizing inhomogeneities in the CSM around Supernova SN2019oys 02/23/2021 2.0 6
Dougal Dobie VLA/21A-393 Searching for high frequency emission from a highly variable radio source 02/17/2021 3.0 6
Itai Sfaradi VLA/20B-477 Characterizing the shocked CSM around a young and Nearby Type Ib/c Supernova 02/02/2021 4.0 6
Alessandra Corsi VLA/20B-472 Long-term radio monitoring of GW170817: An emerging kilonova afterglow? 02/02/2021 14.0 6
Whee Yeon Chong VLBA/20B-471 High Cadence Astrometric Monitoring of BL Lac following a Gamma Ray Flare 01/28/2021 24.0 6
Jay Strader VLA/20B-466 Confirming a low-luminosity active galactic nucleus with a low-mass black hole 01/25/2021 1.0 6
Dougal Dobie VLA/20B-465 VLA follow-up of an ASKAP transient 01/25/2021 3.0 6
Efthalia Traianou VLBA/20B-463 Tracing the exceptional gamma-ray flare of the blazar TXS 2013+370 01/13/2021 8.0 6
Hao Ding VLBA/20B-462 VLBA astrometry of Swift J1818.0-1607, the fastest-spinning magnetar 01/08/2021 10.5 6
Scott Hyman VLA/20B-461 A Search for Polarized Emission from an MSP Candidate in the Inner Galaxy 01/07/2021 6.0 6
Monica Orienti VLA/20B-460 VLA observation of the X-ray jet in PKS 1127-145 during a high activity phase 12/31/2020 4.5 6
Kristina Nyland VLA/20B-459 The Evolving Radio Spectrum of a Newborn Quasar Jet 12/31/2020 1.0 6
Lauren Rhodes VLA/20B-456 Studying the radio properties of the emerging class of VHE GRBs with GRB 201216C 12/22/2020 3.0 6
Filippo D'Ammando VLBA/20B-455 VLBI follow-up observations of the gamma-ray flaring blazar PKS 1127-145 12/18/2020 48.0 6
Eleonora Troja VLA/20B-453 VLA observations of a candidate off-axis burst in the nearby universe 12/18/2020 5.0 6
Karl Menten VLA/20B-449 The red nova V838 Mon and its (so far) undetected radio emission 12/03/2020 2.0 6
Craig Anderson VLA/20B-448 Extreme Jet-Gas Interactions in the High z Radio Galaxy, the 'Spiderweb' 12/01/2020 4.0 6
Rupak Roy VLA/20B-447 JVLA DDT observations of the extreme Type IIP SN 2020faa 11/30/2020 1.5 6
Vikram Ravi VLA/20B-446 VLASS extragalactic transients 11/24/2020 9.0 6
Luis Henry Quiroga Nunez VLA/20B-445 DDT Pilot: evolved stars in the solar neighborhood 11/24/2020 2.0 6
Alexandr Volvach VLA/20B-441 Discovery of a new water maser in G34.19-0.59 11/18/2020 2.0 6
Hongmin Cao VLBA/20B-439 A High-Cadence, Mutli-Frequency,  Multi-Epoch Monitoring of AT2019wey 11/12/2020 12.0 6
Nanase Harada VLA/20B-434 Multi-band Continuum Imaging of the NGC 253 Starburst Nucleus: VLA-ALMA synergy 10/21/2020 0.5 6
Bjorn Emonts VLA/20B-428 Large-scale Radio Induced Feedback in a Radio-Quiet QSO 10/14/2020 2.0 6
Rupak Roy VLA/20B-427 JVLA DDT observation of the nuclear transient - AT2020ohl 10/15/2020 1.5 6
Harish Vedantham VLA/20B-425 Measuring the magnetic field of the first radio-selected brown dwarf 10/12/2020 8.0 6
Hauyu Liu VLA/20B-423 Characterizing the radio flares of FU Ori and FU Ori S 10/08/2020 2.5 6
Thomas Maccarone VLBA/20B-422 A radio and gamma-ray emitting white dwarf red dwarf binary? 10/07/2020 1.0 6
Marcello Giroletti VLA/20B-420 SRGe J195057.5+672122: smoking gun of a nearby off-axis afterglow? 09/30/2020 4.0 6
Xinwen Shu VLA/20B-419 Radio detections of jet ejections associated with repetitive AGN outbursts 09/25/2020 2.72 6
Ryan Lau VLA/20B-415 The Time is Now: Capturing the 20-yr Radio Re-Brightening of Wolf-Rayet 112 09/15/2020 1.04 6
Chris Moeckel VLA/20B-414 Giant storm outbreak on Jupiter 09/12/2020 11.0 6
Assaf Horesh VLA/20B-411 Searching for the power source of an iPTF14hls-like Supernova 09/02/2020 6.0 6
Vikram Ravi VLBA/20B-409 VLBA Monitoring of AT2019wey/SRG 08/28/2020 6.0 6
Kunal Mooley VLA/20B-406 A luminous radio afterglow in the VLASS associated with a Type II supernova 08/24/2020 1.5 6
Hongwei Xi VLA/20B-400 JVLA observations of galaxies discovered in the Pilot FAST Ultra Deep Survey 08/21/2020 17.0 6
Assaf Horesh VLA/20B-398 A Rare Opportunity to Study a Nearby NIR bright Type IIP SN in Radio Waves 08/16/2020 6.0 6
Yuhan Yao VLA/20B-397 VLA Monitoring of AT2019wey 08/13/2020 5.32 6
Wenfei Yu VLBA/20B-396 Zoom in on A Newly Localized Active Repeating Fast Radio Burst 08/12/2020 14.0 6
Aprajita Hajela VLA/20A-596 VLA observations of the closest Long GRB 07/30/2020 9.0 6
Salvador Curiel VLBA/20A-595 VLBA astrometric confirmation of giant-mass planets associated to an M Dwarf 07/29/2020 12.0 6
Yuhan Yao VLA/20A-591 Radio Observation of a Mysterious X-ray/Optical Galactic Transient 07/24/2020 1.0 6
Felicia Krauss VLA/20A-586 Multiwavelength follow-up of a high signalness IceCube neutrino alert 07/21/2020 1.0 6
Kunal Mooley VLA/20A-579 Radio Observation of a X-ray Luminous Tidal Disruption Event 07/09/2020 1.5 6
Sumit Sarbadhicary VLA/20A-577 VLA observation of the very young sub-luminous Type Ia SN 2020nlb 07/07/2020 1.0 6
Katie Auchettl VLA/20A-571 VLA Observations of SN2019yvr: A H-poor SN with Late-Time Interaction 06/26/2020 9.0 6
Alessandra Corsi VLA/20A-568 VLA follow-up of the nearby BL-Ic supernova ZTF20aazkjfv (SN2020jqm) 06/18/2020 10.0 6
Robert Stein VLA/20A-566 VLA observations to establish the neutrino counterpart to a giant AGN flare 06/15/2020 5.75 6
Wenfei Yu VLA/20A-557 Precise Localization of an Active Repeating Fast Radio Burst 05/27/2020 16.0 6
Jeroen Stil VLA/20A-536 Exploration of Faraday rotation around W43 and W47 05/21/2020 14.6 6
Aliya Nur Babul VLA/20A-535 Dust Formation in Novae 05/22/2020 7.5 6
Aaron Evans VLA/20A-529 GOALS-NORTH: A VLA Census of Star Formation in Extreme Environments 05/21/2020 8.56 6
Dylan Paré VLA/20A-528 Extended Observation Time of Southern-Latitude Galactic Center Targets 05/21/2020 3.67 6
Eric Faustino Jiménez-Andrade VLA/20A-527 10GHz observations of MACS J0717+3745: the most powerful radio halo in the sky 05/21/2020 15.0 6
Christopher Stockdale VLA/20A-526 ZTF19abvionh: Confirming a Candidate Dwarf Galaxy in our Local Group 05/21/2020 3.5 6
Colin Burke VLA/20A-525 A 30,000 solar mass black hole in a star-forming dwarf galaxy 05/21/2020 5.0 6
Allison Costa VLA/20A-524 Improved Faraday Rotation Measurements of High Mass X-Ray Binary LSI +61 303 05/21/2020 6.0 6
Ci Xue VLA/20A-523 Constraining the Molecular Morphology toward TMC-1 05/21/2020 10.0 6
Allison Costa VLA/20A-522 HI Violating Social Distancing in the Isolated Dwarf Galaxy Henize 2-10 05/21/2020 4.66 6
John Bally VLA/20A-521 The HII Region S106: Probing the Nature of its C-Shaped Symmetry 05/19/2020 3.0 6
Seiji Fujimoto VLA/20A-520 First CO(1-0) Measurements of Strongly Lensed L* & sub-L* Galaxies at z=6.073 05/19/2020 13.2 6
David Neufeld VLA/20A-519 HI and OH observations to complement SOFIA HyGAL legacy program 05/19/2020 8.7 6
Kelley Hess VLA/20A-517 Discovery of outflow in an OH gigamaser? 05/19/2020 5.0 6
Ranieri Baldi VLA/20A-514 Radio detection of the transient AT2019avd 05/19/2020 0.5 6
Elena Gonzalez Egea VLA/20A-513 The age-activity relationship for M dwarfs in the radio domain 05/19/2020 3.1 6
Daniel Perley VLA/20A-506 Late-time observations of orphan afterglow ZTF19abvizsw 05/18/2020 2.7 6
Loren Anderson VLA/20A-504 Sgr E May be the Largest Star Formation Complex in the Galaxy 05/18/2020 1.4 6
Julia Blue Bird VLA/20A-502 CHILES in C-configuration, spin alignment in nearby galaxies and HI in filaments 05/19/2020 9.0 6
Mark Gorski VLA/20A-501 Searching for Megamasers in Compact Obscure Nuclei 05/18/2020 4.15 6
Milica Vucetic VLA/20A-497 The Hunt for the Emission Nebulae in the Dwarf Galaxy NGC 185 06/23/2020 0.67 6
Hansung Gim VLA/20A-496 Investigating Non-rotation Extended HI Structure in the Disk of NGC 988 05/19/2020 8.0 6
William Armentrout VLA/20A-495 Continuum in the Outer Scutum-Centaurus Arm: Completing the Sample 05/15/2020 4.5 6
Christopher O'Dea VLA/20A-494 A Search for VLASS Sources with Extremely Inverted Spectra 05/15/2020 10.0 6
Pamela Marcum VLA/20A-493 Clues to the Origin of Cold Gas in the Void Elliptical Galaxy KIG 164 05/19/2020 12.0 6
Kate Alexander VLA/20A-492 Measuring the True Occurrence Rate of Jets in TDEs 05/15/2020 15.0 6
Michael Stroh VLA/20A-491 Exploring the uncharted territory of very late-time radio emission from SNe 05/15/2020 22.0 6
Gerrit Schellenberger VLA/20A-489 Understanding the AGN outburst cycle in NGC1407 05/14/2020 3.75 6
Volker Heesen VLA/20A-488 The giant magnetic bubbles in NGC 2841 05/18/2020 4.0 6
Alessandro Capetti VLA/20A-487 Exploring the nature of the extended emission in FR0 radio galaxies 05/14/2020 3.0 6
Chelsea Sharon VLA/20A-486 Free-free vs. Synchrotron: Continuum Mapping in a Strongly Lensed z=2.6 Galaxy 05/14/2020 3.0 6
Alejandro Serrano Borlaff VLA/20A-485 Flares, warps and breaks in the outskirts of the HI and stellar disk of UGC11859 05/14/2020 9.0 6
Richard Plotkin VLA/20A-484 Flares Echoing Through a Quiescent Black Hole Jet 05/14/2020 25.0 6
Hongmin Cao VLA/20A-479 Searching for the radio counterpart of a new radio-weak BL Lac candidate 05/13/2020 1.0 6
John Cannon VLA/20A-478 Exploratory HI Observations of Three Gas-Rich Galaxies 05/13/2020 13.0 6
Gabriele Bruni VLA/20A-476 Probing extreme jet reorientation in a giant radio galaxy 05/12/2020 1.5 6
Tom Oosterloo VLA/20A-475 Multifrequency observation of a newly discovered intrahour variable radio source 05/12/2020 7.0 6
Emmanuel Fonseca VLA/20A-474 Localization of a Massive Pulsar-Binary System Discovered by CHIME 05/12/2020 3.5 6
Jason Young VLA/20A-473 VLA Search for Tidal Disruption of Post-Burst LSB 05/12/2020 9.0 6
Xinyu Dai VLA/20A-472 The Origin of the Unresolved Radio Emission of Radio-Quiet Quasars 05/12/2020 4.5 6
Monica Orienti VLA/20A-471 Magnetic fields in the interacting system Arp 143 05/12/2020 3.75 6
Shriharsh Tendulkar VLA/20A-469 Arcsecond Localization of Prolifically Repeating FRBs 05/11/2020 40.0 6
Craig Anderson VLA/20A-465 Evaluating VLASS capabilities for studying Radio Galaxy magnetism - A Pilot 05/11/2020 68.0 6
Olivia Wilkins VLA/20A-463 The Previously Unexplored GMC (PUG) Survey: A Radio View 05/08/2020 8.2 6
Yik Ki Ma VLA/20A-462 Zooming In to the MHD Turbulence Cascade in the Milky Way ISM 05/08/2020 5.0 6
Reinout van Weeren VLA/20A-460 Uncovering diffuse steep spectrum cluster radio sources 05/08/2020 28.0 6
Ilsang Yoon VLA/20A-459 Revealing spectral curvature of X-shaped radio galaxies by 10GHz observation 05/07/2020 8.1 6
Xin Liu VLA/20A-457 VLA Imaging of Periodic Quasars: Testing the Jet Precession Hypothesis 05/07/2020 5.0 6
Casey Law VLA/20A-456 Studying the Galactic FRB Source SGR 1935+2154 05/05/2020 4.8 6
Megan Lewis VLA/20A-454 High vibrational SiO maser transitions 05/07/2020 6.0 6
Jeremy Darling VLA/20A-453 Atomic Clocks in Space: A Search for Stellar Rubidium and Cesium Masers 05/04/2020 17.6 6
Marcello Giroletti VLA/20A-452 SDSS 0040-0915: a z~5 BL Lacertae, a blue FSRQ, or a weak emission line QSO? 05/04/2020 0.75 6
Alexandra Tetarenko VLA/20A-448 Investigating jet-accretion coupling during a peculiar state in GRS 1915+105 05/04/2020 12.0 6
Wiphu Rujopakarn VLA/20A-445 Augmenting the VLA Ultra-Deep Field with compact baselines 05/02/2020 66.0 6
Anna Ho VLBA/20A-444 Search for an off-axis jet in the broad-lined Ic supernova SN2020bvc 05/01/2020 12.0 6
Marisa Brienza VLA/20A-442 The spectacular group of galaxies 'NEST 200047' 05/01/2020 6.0 6
Michael Bietenholz VLA/20A-441 Shock Emerging from a Massive Shell Ejected Shortly Before Explosion 04/27/2020 2.0 6
Arash Bahramian VLA/20A-440 Unraveling the complex X-ray binary population in the core of Terzan 1 04/28/2020 2.75 6
Seth M. Bruzewski VLA/20A-439 Filler Program to Identify Steep Spectrum Radio Sources in Fermi Unassoc. Fields 04/23/2020 171.0 6
Alexander van der Horst VLA/20A-438 Observations of a Potential Extragalactic Magnetar Giant Flare 04/16/2020 2.0 6
Takuma Izumi VLA/20A-437 Measuring the total molecular mass of a quasar-quasar pair at the cosmic dawn 04/21/2020 7.0 6
Hao Ding VLBA/20A-433 VLBA Astrometry of Swift 1818.0-1607, the New Radio-Emitting Magnetar 04/02/2020 10.5 6
Xi Chen VLA/20A-430 Relations between NH3 and H2O maser flaring and accretion burst 03/24/2020 2.0 6
Nora Linn Strotjohann VLA/20A-429 Revealing the massloss history of a SN with extensive pre-explosion activity 03/24/2020 1.0 6
Surajit Mondal VLA/20A-424 Probing the spectrum of first type I super-luminous supernova detected in radio 03/17/2020 1.0 6
Assaf Horesh VLA/20A-421 Characterizing Late-time CSM Interaction in the Spectacular Supernova SN2019oys 03/13/2020 6.0 6
Cristiana Spingola VLBA/20A-416 The Sharpest View of the First Blazar at z>6 02/26/2020 6.0 6
Frank Schinzel VLBA/20A-408 Confirming the Emergence of a New Feature in 3C48 02/18/2020 8.5 6
Enrico Di Teodoro VLA/20A-410 The Baryonic Tully-Fisher for super-massive spiral galaxies 02/14/2020 3.4 6
Sebastian Gomez VLA/20A-409 Search for Radio Emission from a Luminous Supernova with H-Free Interaction 02/12/2020 2.0 6
Aditya Chowdhury VLA/20A-407 Molecular Absorption in a High-opacity HI 21cm Absorber at z~1.2 02/12/2020 1.0 6

Connect with NRAO

The National Radio Astronomy Observatory and Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.