Science > Science Program > Science Program 2023B

Science Program 2023B

A total of 140 new proposals were received for the 01 February 2023 submission deadline for Semester 23B. The table below summarizes the approved observing programs for the Karl G. Jansky Very Large Array (VLA), the Very Long Baseline Array (VLBA)/High Sensitivity Array (HSA) and the Global 3mm VLBI Array (GMVA).  Listed are the PI name, proposal ID, proposal title, maximum hours approved, and proposal type (Regular, Triggered, or Large). Proposals from previous semesters that were awarded time by NRAO are included.  Also listed are HSA proposals that include the VLA as a VLBI station.

For each approved program, the Proposal Finder Tool will have access to its authors, title, abstract, and total approved hours.

Karl G. Jansky Very Large Array (VLA)

Alexander, Kate VLA/20B-377 A Systematic Investigation of Radio Tidal Disruption Events 16 Large
Ashley, Trisha VLA/23B-208 The Low Metallicities of Compact High-Velocity Clouds 15 Regular
Bahramian, Arash VLBA/23B-119 Radio emission from an ultra-luminous X-ray source: compact or extended jets? 6 Regular
Bastian, Tim VLA/23B-050 Radio Magnetography of Solar Active Regions 24 Regular
Bayandina, Olga VLA/23A-128 M2O: Catching accretion bursts (2023) 8 Triggered
Beasley, Anthony VLA/23B-190 Magnetic Activity in a Nearby Brown Dwarf System  24 Regular
Bian, Shuaibo VLBA/23B-044 Parallax and Proper Motions of SNR W28 via 1720 MHz OH Masers 20 Regular
Boogaard, Leindert VLA/23B-215 CONICS-VLA: CO(1-0) for the Cosmic Noon ISM Conditions Survey 186 Regular
Butterfield, Natalie VLA/23B-008 Investigating the Star Forming Potential of the Galactic Bar  5 Regular
Cannon, John VLA/23B-131 Hierarchical Assembly On Small Scales: Low Resolution Imaging 20 Regular
Cendes, Yvette VLA/23B-056 Continued Observations of a Delayed Relativistic Outflow in the TDE AT2018hyz 1.5 Regular
Cendes, Yvette VLA/23B-246 Searching for Delayed Radio Emission in Tidal Disruption Events 14.41 Regular
Cheng, Yu VLA/23B-280 JVLA NH3 survey of the lowest metallicity star formation region in the Galaxy 11.8 Regular
Corsi, Alessandra VLA/22B-235 Jansky VLA mapping of Gravitational Waves as Afterglows in Radio (JAGWAR) 54.33 Large
Corsi, Alessandra VLA/23B-172 Radio follow up of sub-threshold GRBs associated with O4 GW triggers 7.5 Triggered
Cox, Erin VLA/23B-192 The Magnetic Field and Dust Properties of L1157 3 Regular
Curone, Pietro VLA/23B-232 Anomalous microwave emission or variability in the compact CX Tau disk? 3.2 Regular
Deller, Adam VLBA/22A-214 Characterizing Neutron Star Mergers with HSA Afterglow Observations 69.33 Triggered
Demorest, Paul VLA/21B-286 The North American Nanohertz Observatory for Gravitational Waves 203.03 Large
Dong, Yuxin VLA/23B-207 Constraining the Origin of the First PRS Coincident with a FRB 2.83 Regular
Goodwin, Adelle VLA/23B-078 Tracking the radio evolution of long-lived thermal tidal disruption events 4 Regular
Gusinskaia, Nina VLA/23A-311 Mapping accretion states in transitional millisecond pulsars 6 Triggered
Hajela, Aprajita VLA/23B-139 Mapping the Zoo of Engine Driven Explosions with Deep Radio Observations 3 Triggered
Ho, Anna VLA/23B-138 A New Class of Relativistic Explosions 7.25 Triggered
Hodge, Jacqueline VLA/21A-335 Detecting a massive molecular gas reservoir at z=7.3 40 Regular
Horesh, Assaf VLA/23A-170 Exploring A New Class of Flares in Active Galactic Nuclei 8 Triggered
Huang, Shuo VLA/23B-024 Measure the cold gas mass in a z=2.467 DSFG with spiral and bar revealed by JWST 2.7 Regular
Jacobson-Galan, Wynn VLA/23A-157 Radio and flash spectroscopy as an unprecented probe of mass-loss 12 Triggered
Jiao, Sihan VLA/23B-034 A pilot study of Anomalous Microwave Emission in Andromeda at the MC scale 0.5 Regular
Jones, Michael VLA/23B-188 Corvus I, a new star-forming dwarf at the edge of the Local Group 2 Regular
Jones, Michael VLA/23B-189 Quenching in the lowest mass galaxies at the edge of the Local Group 10.5; HST: 2 orbtis Regular
Jurlin, Nika VLA/23B-277 Disentangling the origin of thermal and non-thermal emission in nearby SFGs 12.5 Regular
Kanekar, Nissim VLA/23B-086 The molecular gas mass of HI-selected galaxies at z~2 18.75 Regular
Keim, Michael VLA/23B-226 Testing the Collisional Formation of Dark Matter Free Galaxies 40.02 Regular
Kim, Jeein VLA/23B-079 Probing HI Gas Surrounding BASS AGN Host Galaxies 64 Regular
Laskar, Tanmoy VLA/22B-062 Probing the Magnetization of GRB Jets with Reverse Shocks 3 Triggered
Laskar, Tanmoy VLA/23A-106 Exploring Extreme Explosions from the Cosmic Dawn 5 Triggered
Lee, Min-Young VLA/23B-101 Revealing the true HI distribution across the Perseus molecular cloud 16.5 Regular
Leroy, Adam VLA/20A-346 A VLA Local Group Legacy Survey - X-Proposal 160 Large
Linford, Justin VLA/23B-129 Pre-Eruption Monitoring of T CrB 8.68 Regular
Linville, Dylan VLA/23B-239 The Nature of Ionized Gas Features with Anomalous Velocities 1.5 Regular
Liu, Yihan VLA/23B-191 Radio Observation of the Pulsar Wind Nebula in G76.9+1.0 2.1 Regular
Luan, Luan VLA/23B-252 Mapping the supperbubbles of M106 -- an analog of the eROSITA bubbles 1 Regular
Luo, Gan VLA/23B-029 Revealing the narrow linewidth of CH through high-resolution observations 19.84 Regular
Matthews, David VLA/23A-289 Radio Observations of Fast Blue Optical Transients 7.34 Triggered
Matthews, David VLA/23B-183 The Radio Hunt for the Power Source in Super-luminous Supernovae 4 Triggered
Miller-Jones, James VLA/23A-260 Transient jet launching in stellar-mass black holes 10.64 Triggered
Miller-Jones, James VLA/23B-151 Highly-relativistic jets from a tidal disruption event 4; ALMA: 5.55 Triggered
Minchin, Robert VLA/23B-047 VLA search for ram pressure stripping in [CII]-rich dwarfs in the Virgo cluster 5 Regular
Moscadelli, Luca VLBA/23B-009 The magnetic field in G31.41+0.31 explored with water masers 12 Regular
Parekh, Viral VLA/23B-236 JVLA S-band observations of the A2384 relic 2.5 Regular
Pattie, Eli VLA/23B-269 Phased sub-arrays and continuous light curves: A variability study of Sco X-1  6 Regular
Perley, Daniel VLA/23A-355 Radio Characterization of ZTF Orphan Afterglows 15.06 Triggered
Plotkin, Richard VLA/23B-064 Tracking the black hole disk/jet connection into quiescence 1.66 Triggered
Riechers, Dominik VLA/23B-154 VLASPECS: Cold Gas Mass Density in the Hubble Ultra Deep Field (HUDF;Completion) 49.5 Regular
Riechers, Dominik VLA/23B-169 Vz-GAL: Total Cold Gas Masses for 125 Dusty Massive Starbursts at z=1-6 194.45 Large
Route, Matthew VLA/23B-021 A Pilot Multiband Search for Magnetic Variability in T Tauri Systems 7.74 Regular
Rybak, Matus VLA/23B-109 Molecular gas content of ultramassive galaxies in the Lockman Hole 16 Regular
Rybak, Matus VLA/23B-178 Monsters with empty bellies: surveying dense gas in high-z galaxies 72 Regular
Sandstrom, Karin VLA/23B-025 Modern 21-cm Observations for Nearby Galaxies with Upcoming JWST Observations 14 Regular
Santra, Ramananda VLA/23B-200 Characterization of high-frequency end of the diffuse radio sources in Abell 521 8 Regular
Schroeder, Genevieve VLA/23A-296 Elucidating the Explosion Properties of Cosmological Short GRBs with the VLA 11.33 Triggered
Schroeder, Genevieve VLA/23B-148 Uncovering Evidence for the Birth of a Magnetar in SGRB 180618A 2 Regular
Sfaradi, Itai VLA/23A-168 Characterizing the Interaction of CCSNe Ejecta with Distant CSM Shells 8 Triggered
Stark, David VLA/23B-163 Constraining the Evolution of BreakBRD Galaxies with VLA HI Mapping 11 Regular
Stock, Ashley VLA/23B-209 Investigating Relation Between Neutral Hydrogen Filaments and Scintillation 13.75 Regular
Tabatabaei, Fatemeh VLA/23B-251 Unveiling Magnetic Fields From Star Forming Regions to Diffuse ISM in M31 17.6 Regular
Tremblay, Chenoa VLA/23A-040 Confirmation of Life in the Galaxy: Re-Observation of Signals From COSMIC 4 Triggered
Tremblay, Chenoa VLA/23B-174 Probing the Proper Motion of M31 with 6.7GHz Methanol Masers 75 Regular
Ubertosi, Francesco VLA/23B-041 The JVLA view of a shocked radio mini-halo 2.5 Regular
van den Eijnden, Jakob VLA/23B-104 Monitoring the radio jets of strongly-magnetized accreting pulsars 15 Triggered
Villadsen, Jackie VLA/23B-071 Testing for Orbital Modulation of Radio Bursts from Planet Host YZ Cet 21.2 Regular
Wenner, Nycole VLA/23B-061 The molecular ring orbiting Sgr A*: a small promising site of star formation 3.3; ALMA: 1 hr Regular
Williams, Gwenllian VLA/23B-043 VLA follow-up of first nonthermal radio filament outside the Galactic Centre 10 Regular
Wolnik, Kamil VLA/23B-010 Spectral ageing analysis of a sample of double-double radio galaxies 7 Regular
Wu, Gang VLA/23B-105 Ammonia Hyperfine intensity anomaly in infall sources 2 Regular
Yang, Yang VLA/23B-206 Extended HI Disk Around Massive Spiral Galaxies 112 Regular
Zhou, Luwenjia VLA/23B-125 A systematic CO(1-0) survey of z=2.5-4 protocluster cores 29.3 Regular

Very Long Baseline Array (VLBA), High Sensitivity Array (HSA), and Global 3mm VLBI Array (GMVA)

An, Tao VLBA/23B-038 Confirming the pc-scale jet of the radio-quiet quasar Mrk110 9 Regular
An, Tao VLBA/23B-093 Identifying the physical origin of the nascent outflow in J1430+2303 18 Regular
Bahramian, Arash VLBA/23B-119 Radio emission from an ultra-luminous X-ray source: compact or extended jets? 6 Regular
Boven, Paul VLBA/23B-196 Is GJ3789 hiding a companion? 28 Regular
Chen, Sina VLBA/23B-048 Probing the core emission in radio-quiet quasars with VLBA at high frequencies 52 Regular
Curiel, Salvador VLBA/23A-052 Confirmation of two planetary companions associated to an M-dwarf Binary System 45 Regular
Curiel, Salvador VLBA/23A-054 Possible planetary companions in the M9 dwarf binary system LP 349-25AB 30 Regular
Curiel, Salvador VLBA/23B-054 Astrometric detection of a planetary system associated to a nearby brown dwarf 18 Regular
Curtin, Alice VLBA/23A-099 Precise Pulsar Positions for CHIME/FRB Outrigger Calibration 160 Regular
Deller, Adam VLBA/22B-108 Determining the origin of the unusual young pulsar J0837-2454 13.5 Regular
Dong, Dillon VLBA/23B-261 Testing the Pulsar Wind Nebula Model for VLASS Transient J1137-0337 with VLBI 16 Regular
Edge, Alastair VLBA/23B-049 Determining the activity in the massive Black Hole in the BCG in Abell 1201 8 Regular
Gray, Malcolm VLBA/23A-127 Full polarization studies of 43GHz SiO maser emission in pulsating evolved stars 70 Regular
Hayashi, Takayuki VLBA/23B-019 Origin of Low-frequency Extended Emission from Quasars with Accretion Disk Winds 36 Regular
Juneau, Stephanie VLBA/23B-244 AGN or Starburst? Confirming the Nature of the Nuclear Radio Emission in NGC7582 6 Regular
Kim, Daewon GMVA/23B-167 Monitoring of the innermost jet region of BL Lacertae with GMVA 12 Regular
Leung, James VLBA/23B-273 Characterizing the nature of newly detected orphan radio afterglow candidate 18 Regular
Lin, Ruqiu VLBA/23B-107 Follow-up VLBA Observation of a Double-peaked Narrow [OIII] Emission Line AGN 6 Regular
Lister, Matthew VLBA/21B-053 MOJAVE: Parsec-Scale Jet Acceleration and the Blazar-Neutrino Connection 288 Large
Livingston, Jack VLBA/23B-137 Resolving the Large Rotation Measures of AGN 19 Regular
Marscher, Alan VLBA/23B-058 BEAM-ME: Blazars Entering the Astrophysical Multi-Messenger Era (continuation) 144 Large
Meyer, Eileen VLBA/23B-234 1ES1927: Understanding variability in the radio core of a RQ quasar 5.3 Regular
Meyer, Eileen VLBA/23B-235  Mrk 590 : The onset of jet activity in a changing-look AGN 10.65 Regular
Moscadelli, Luca VLBA/23A-020 Velocity field of a magnetohydrodynamic disk wind 28 Regular
Moscadelli, Luca VLBA/23B-009 The magnetic field in G31.41+0.31 explored with water masers 16 Regular
Nair, Dhanya  VLBA/23B-199 A sample of black holes at < 100 Rg scales: accretion flows, jets, and shadows 20 Regular
Oki, Aika VLBA/23B-114 Diagnosis of Phoenix's Rising: First Resolved Imaging of New Jets 26 Regular
Ordonez, Jazmin VLBA/23B-060 Is the companion of the Herbig-Be star OphS1 radio quiet at periastron passages? 36 Regular
Park, Jongho VLBA/21B-075 Testing the MHD model of AGN jet acceleration 57.75 Regular
Perley, Daniel VLBA/23B-168 VLBA Monitoring of the Serendipitous Cygnus A Radio Transient 16 Regular
Reid, Mark VLBA/22B-009 Mapping the Spiral Structure of the Far Side of the Milky Way  112 Regular
Reynolds, Cormac VLBA/23B-087 The Disappearing Broad Line in OQ208 8 Regular
Rodriguez, Tatiana VLBA/23B-062 VLBA Observations of Water Masers in the IRAS 19035+0641 A Jet 10 Regular
Shu, Xinwen VLBA/23B-122 Mas-scale morphology of a peculiar radio transient in the center of dwarf galaxy 9 Regular
Singha, Mainak VLBA/23B-216 Testing the jet-outflow connection in the nearby, radio-quiet AGN HE 1029-1831 12 Regular
Ubertosi, Francesco VLBA/23B-100 Dramatic misalignment of jets and X-ray cavities in galaxy clusters and groups 30 Regular
Vestergaard, Marianne VLBA/22A-217 The origin of low accretion state radio emission in the changing-look AGN Mrk590 42 Regular
Wen, Shiming VLBA/23A-190 A Trigonometric Parallax of Colliding-wind Binary System WR146 32 Regular
Williams, Montana VLBA/23B-219 T CrB: A Highly Anticipated Recurrent Nova 49 Triggered
Yanza Lopez, Vanessa VLBA/23B-276 VLBA survey of the non-thermal YSOs population in M17 10 Regular
Yoon, Ilsang VLBA/23B-140 Searching for 'Hidden' Close Binary Supermassive Black Holes in Post-Mergers 40.66 Regular
Zhang, Xian VLBA/23B-166 The Persistent Radio Source Associated with FRB 20190520B beyond 10 GHz 7 Regular