Science > Science Program > Science Program 2021B

Science Program 2021B

by Davis Murphy last modified May 20, 2021

A total of 194 new proposals were received for the 1 February 2021 submission deadline for Semester 2021B. 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)

Akins, Alex VLA/21B-301 Seasonal Variations in the Microwave Emission of Uranus 8 Regular
Alexander, Kate VLA/20B-377 A Systematic Investigation of Radio Tidal Disruption Events 114 Large
Algera, Hiddo VLA/21B-171 Mapping the Radio Continuum in the Brightest Lensed Galaxy 10 Regular
Babul, Aliya Nur  VLA/21A-342 Closing in on a Shocking Picture of Dust Formation in Novae 43.5 Triggered
Balasubramanian, Arvind VLA/21B-057 Long-term monitoring of GW170817 with the Jansky VLA 14 Regular
Bally, John VLA/21B-181 The Bipolar HII region S106: Massive Young Star in Transition 4 Regular
Banados, Eduardo VLA/21B-087 The nature of the most distant radio source known at z=7.0, a blazar? 8; XMM-Newton: 31 ksec Regular
Bayandina, Olga VLA/21B-082 M2O: Catching accretion bursts (extension) 12 Triggered
Biava, Nadia VLA/21A-169 Follow up observations of extended radio mini halo:  A1068 & RX J1532.9+3021 65.4 Regular
Borkar, Abhijeet VLA/21B-136 Revealing the Elusive Power Source of Green Pea Galaxies 4.5 Regular
Borthakur, Sanchayeeta VLA/21A-275 xVLA-Disk survey: Tracing gas flows in and around the HI-disk of L* galaxies 460 Large
Borthakur, Sanchayeeta VLA/21B-111 Characterizing Radio Continuum Emission from Low-z Lyman Continuum Leakers 160.17 Regular
Boyden, Ryan VLA/21A-015 Constraining free-free emission and photoevaporation rates in NGC 1977 disks 9.5 Regular
Brienza, Marisa VLA/21A-065 Evidence of AGN jet-driven bubble evolving in the intergalactic medium 12 Regular
Cannon, John VLA/20A-330 SHIELD:  The Survey of HI in Extremely Low-mass Dwarfs 12.5 Large
Carrasco-Gonzalez, Carlos VLA/21B-267 Dust growth, radial drift and disk masses in the Taurus-Aurigae region 42 Regular
Chen, Zhengyi VLA/21A-069 Off-nuclear star formation in a gas-rich low-mass S0 galaxy 18 Regular
Connor, Thomas VLA/21B-151 Signatures of Inverse Compton Emission in the Epoch of Reionization 6 Regular
Coppejans, Deanne VLA/21B-290 The Radio Hunt for the Power Source in Super-luminous Supernovae 6 Triggered
Costa, Allison VLA/21B-109 Radio Recombination Line Observations of Ultra Dense HII Regions in Henize 2-10 2.6 Regular
Darling, Jeremy VLA/21B-063 A Spectral Search for Axionic Dark Matter 39.75 Regular
DeMarchi, Lindsay VLA/21A-239 The Epic of Extreme Mass-Loss Events in Progenitors of H-stripped SNe 12 Triggered
Demorest, Paul VLA/21B-286 The North American Nanohertz Observatory for Gravitational Waves 41.8 Large
Dickinson, Mark VLA/21B-292 High Redshift Star Formation and AGN Activity in the JWST CEERS Public Survey 60 Regular
Eftekhari, Tarraneh VLA/21B-253 Unveiling the Engines of Superluminous Supernovae with the VLA 16 Regular
Emig, Kimberly VLA/21B-221 Recombination Lines from Diffuse Ionized Gas in the Nuclear Starburst of NGC 253 15 Regular
Fong, Wen-fai VLA/21B-198 Elucidating the Explosion Properties of Cosmological Short GRBs with the VLA 5.83 Triggered
Gordon, Yjan VLA/21B-185 Mapping the SEDs of the First High-Frequency EISERS 1.25 Regular
Gusinskaia, Nina VLA/21A-211 Mapping accretion states in transitional millisecond pulsars 6 Triggered
Hallinan, Gregg VLA/21B-322 Radio Transients Revealed in Epoch 2 of the VLA Sky Survey 60 Regular
Hashimoto, Jun VLA/21B-043 Dust trap around very low mass star ZZ Tau IRS 5.84 Regular
Hatsukade, Bunyo VLA/21B-066 Atomic Hydrogen in the Environment of a Superluminous Supernova - copy 21 Regular
Ho, Anna VLA/21B-182 VLA+Chandra Observations of Ic-BL Supernovae with ZTF High-Cadence Light Curves 5.35; Chandra: 68 ksec Triggered
Hofstadter, Mark VLA/21B-269 Determining the Water Abundance in the Deep Atmosphere of Saturn 8 Regular
Horesh, Assaf VLA/21A-182 Exploring A New Class of Flares in Active Galactic Nuclei 6.66 Triggered
Horesh, Assaf VLA/21A-184 Exploring the Nature of Radio Emission Excess in Tidal Disruption Events 9.33 Triggered
Hou, Meicun VLA/21B-194 VLA Confirmation of Optical and X-ray Selected Dual-AGNs  2.89 Regular
Hu, Huijie VLA/21B-116 Isolated dwarf galaxies dominated by baryons 50 Regular
Hunter, Laura VLA/21B-058 Tiemscales of Neutral and Ionized Gas Kinematics in Low-Mass Galaxies 64 Regular
Immer, Katharina VLBA/20B-287 Tracing the gas flows in the inner Galaxy with maser astrometric observations 156 Regular
Impellizzeri, C. M. Violette VLBA/21B-117 Resolving the ionized gas disk in the nucleus of NGC 1068 8 Regular
Jacobson-Galan, Wynn VLA/21B-193 Radio and flash spectroscopy as an unprecented probe of mass-loss 6 Triggered
Kanekar, Nissim VLA/21B-215 Mapping HI 21cm emission from the host galaxy of FRB180916 32 Regular
Kanekar, Nissim VLA/21B-216 How do Lyman-continuum photons escape from galaxies that reionized the Universe? 32 Regular
Kim, Dongjin VLBA/21B-033 Unveiling the nature of a fueling flow in CygnusA 26 Regular
Koda, Jin VLA/21B-113 High-Resolution HI 21cm Imaging of M83 31.5 Regular
Kooi, Jason VLA/21B-272 Radio Remote-Sensing of the Corona to Support Parker Solar Probe Perihelion #10 24 Regular
Kunert-Bajraszewska, Magdalena VLA/21B-178 Radio changing-state AGNs 2.51 Regular
Laskar, Tanmoy VLA/20B-065 Exploring Extreme Explosions from the Cosmic Dawn 15 Triggered
Laskar, Tanmoy VLA/20B-198 VLA Observations of the Nearby Unusual GRB 190829A 0.66 Regular
Laskar, Tanmoy VLA/21A-241 Probing the Magnetization of GRB Jets with Reverse Shocks 7.5 Triggered
Leroy, Adam VLA/20A-346 A VLA Local Group Legacy Survey - X-Proposal 448 Large
Li, Jianrui VLA/21B-108 Probing jet-driven feedback onto the molecular CGM around a quasar at z~2 1 Regular
Li, Qiong VLA/21B-083 Deep Radio Imaging of the Extremely Massive Overdensities at z = 2.3 18.8 Regular
Liu, Hauyu VLA/21B-014 B-field Topology in the Disk-forming Region in a Class 0 YSO 6 Regular
Liu, Lijie VLA/21A-251 Star formation, turbulence and cloud collisions in dwarf galaxy NGC 404 12 Regular
Long, Feng VLA/21B-141 Testing Trapping of Large Grains in a Dust Disk Ring  16 Regular
Lucero, Danielle  VLA/21B-227 Using HI, H2, and [C II] to measure Pressure in Early-Type Galaxies II 39 Regular
Luo, Gan VLA/21B-070 Evolution of molecular gas in massive star-forming regions 2.46 Regular
Luo, Gan VLA/21B-120 Tracing Dark Gas Through Multi-band Absorption Observations 8.06 Regular
Macias, Enrique VLA/21B-255 The VLA View of Substructures in Protoplanetary Disks 16.25 Large
Mancera Piña, Pavel VLA/21B-163 Investigating the nature of dark matter with ultra-diffuse galaxies 50 Regular
Mao, Sui Ann VLA/21B-167 Enabling RM Grid Experiments for Key Cosmic Magnetism Science 17.094 Regular
Margot, Jean-Luc VLA/21B-055 Venus Spin Precession, Moment of Inertia, and Core Size 3 Regular
Matthews, David VLA/21A-080 Radio Observations of Fast Blue Optical Transients 7.33 Triggered
Ma, Yik Ki VLA/21B-169 Zooming In to the MHD Turbulence Cascade in the Milky Way ISM 6.75 Regular
McKean, John VLBA/21B-289 Resolving the nature of quasar flux-ratio anomalies in gravitational lenses 60 Regular
Meyer, Eileen VLA/21B-036 A Legacy VLA Survey of X-ray Emitting Jets 25.95 Regular
Miller-Jones, James VLA/21A-204 Transient jet launching in stellar-mass black holes 10.64 Triggered
Miller-Jones, James VLBA/21A-195 Transient jet launching in stellar-mass black holes 26.66 Triggered
Moravec, Emily  VLA/21B-235 Radio Active Galactic Nuclei in Merging Galaxy Clusters at z~1 12.5 Regular
Morokuma, Kana VLA/21B-035 Are Blueberry galaxies HI-deficit like Lyman-continuum leakers? 51.7 Regular
Munari, Ulisse VLBA/21A-051 Flash photography around a symbiotic nova: the circumstellar gas distribution 8 Triggered
Neff, Susan VLA/21A-082 Energy Flows in Centaurus A's Transition Regions 10 Regular
O'Neill, Sandra VLA/21B-268 Pilot Observations for a Comprehensive Study of CSO's Showing Recurring Activity 2.5 Regular
Panessa, Francesca  VLA/21B-094 Radio emission and winds feedback in the SUBWAYS sample - a continuation 12.3 Regular
Park, Jongho VLBA/21B-075 Testing the MHD model of AGN jet acceleration 44.25 Regular
Perez-Torres, Miguel VLA/21B-300 Studying the flaring activity and probing star-planet interaction in M-dwarfs 50 Regular
Perley, Daniel VLA/21A-319 Radio Characterization of ZTF Orphan Afterglows 15.06 Triggered
Plotkin, Richard VLA/21B-032 Tracking the black hole disk/jet connection into quiescence 1.66 Triggered
Podio, Linda VLA/21B-183 Protoplanetary disks beyond ALMA:  the snowline of formaldehyde unveiled by JVLA 15.7 Regular
Rhodes, Lauren VLA/21B-170 Studying the radio properties of the emerging class of VHE GRBs 7.5 Triggered
Richard-Laferriere, Annabelle VLA/21B-239 Study of the mini-halo and central radio source in the cluster PKS 0745-191 6 Regular
Rodriguez, Luis VLA/21B-084 Radio Pinwheels from Massive Binary Systems 2 Regular
Rosero, Viviana VLA/21B-229 Comprehensive SEDs and Modeling of High-Mass Protostars: Completing the Survey 5 Regular
Sanna, Alberto VLBA/21B-156 Feasibility project for the ngVLA: a Science Case with Masers 13 Regular
Sarbadhicary, Sumit VLA/21B-295 Young Type Ia supernovae in radio -- a novel probe of progenitor scenarios 6 Triggered
Satoshi, Ohashi VLA/21B-089 The ring structure by coagulation of dust aggregates in the TMC1A disk 14 Regular
Schellenberger, Gerrit VLA/21B-149 Understanding the accretion process in the archetypal cooling flow group NGC5044 1 Regular
Schinnerer, Eva VLA/21A-282 PHANGS Radio: Cloud-scale S-Band imaging for 14 nearby galaxies from PHANGS-ALMA 25.74 Regular
Schroeder, Genevieve VLA/21B-184 Uncovering Evidence for the Birth of a Magnetar in SGRB 200522A 6 Regular
Shu, Xinwen VLA/21B-168 Radio flux and spectral evolution from three peculiar mid-IR outburst galaxies 6.96 Regular
Sokolovsky, Kirill VLA/21B-049 Understanding classical novae through their multi-frequency radio lightcurves 19.25 Regular
Somalwar, Jean VLA/21B-307 Tidal Disruption Events in Active Galactic Nuclei 7.5 Triggered
Soraisam, Monika VLA/21B-202 Radio follow-up of the luminous interacting supernova 2020znl 11.2 Regular
Stephens, Ian VLA/19A-388 HL Tau Polarization: Long Wavelengths Provide a Critical Test  5 Regular
Stroh, Michael VLA/21B-054 Circumstellar SiO Masers in Red Supergiants 19.7 Regular
Tendulkar, Shriharsh VLA/21B-176 Arcsecond Localization of Repeating FRBs 40 Large
Tetarenko, Alexandra VLA/21B-225 Probing Relativistic Jets through Radio Timing Observations of X-ray Binaries 11.97 Triggered
Tobin, John VLA/21B-266 A Search For Socially Distant Protostellar Families: Multiplicity in Isolation 41.64 Regular
TROJA, ELEONORA VLA/21B-234 Beyond the GRB jet: searching for the remnant of a neutron star merger 6.5 Regular
van den Eijnden, Jakob VLA/21B-143 Unravelling the radio emission of a transient high-mass X-ray binary 21 Triggered
Villenave, Marion VLA/21B-100 Characterizing dust settling in a Class I edge-on disk 3 Regular
Wenyao, Miao VLA/21B-303 High-Resolution HI Imaging of the Superwind Galaxy NGC1482  21 Regular
Yang, Aiyuan VLA/21B-131 Searching for hyper compact HII regions in the Galactic plane 2 Regular
Yan, Lin VLA/21B-161 Radio Monitoring of a Nearby H-poor Superluminous Supernova at 140Mpc 2.8 Triggered
Yu, Wenfei VLA/21B-127 Monitoring of a Persistent Radio Source Associated with a Repeating FRB 7.22 Regular
Zhang, Hong-Xin VLA/21A-231 VLA HI Mapping of Dwarf Mergers in the Virgo Cluster 199.4 Regular
Zhang, Yichen VLA/21B-139 Mapping the Radio Jet from a Forming Massive Binary System 2 Regular

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

Atri, Pikky VLBA/21B-308 Proper Motions of Variable Radio Sources in the Galactic Plane 8 Regular
Baczko, Anne-Kathrin GMVA/21A-233 Resolving the twin-jet base in NGC 1052  11 Regular
Boccardi, Biagina GMVA/21A-336 Bulk acceleration and jet internal structure in NGC315 12 Regular
Bruni, Gabriele VLBA/21B-199 Probing the inner-jet orientation of a neutrino emitting radio galaxy candidate 5.6 Regular
Burns, Ross VLBA/21B-226 High-mass protostellar accretion bursts, continuation  48 Triggered
Busch, Michael VLBA/19A-260 Radar Speckle Tracking Observations of Near-Earth Asteroids in 2019 - 2021 16.83 Triggered
Chen, Sina VLBA/21B-008 A rare radio-quiet narrow-line Seyfert 1 galaxy harboring a 180 kpc radio jet 5.01 Regular
Curiel, Salvador VLBA/21A-037 Characterizing the planetary companions of the nearby ultracool dwarf TVLM513 37.5 Regular
Curiel, Salvador VLBA/21A-038 Searching for planets around three nearby ultracool dwarfs 72 Regular
Deller, Adam VLBA/21B-095 Measuring the moment of inertia of PSR J0737-3039A 16 Regular
Ding, Hao VLBA/20B-146 VLBA astrometry of the double neutron star PSR J1537+1155 4 Regular
Ding, Hao VLBA/21B-072 Enhancing astrometry of PSR J2222-0137 8 Regular
Ding, Hao VLBA/21B-073 Towards a space velocity distribution of Galactic double neutron stars 27 Regular
Dodson, Richard VLBA/21A-028 MultiView Astrometry to Measure the Structure of the Galactic Magnetic Field II 24 Regular
Dodson, Richard VLBA/21A-134 Astrometric Observations around the Galactic Bar 52 Regular
Dzib, Sergio VLBA/21A-284 Testing Gaia astrometry with VLBA astrometry to nearby pre-main sequence stars 177.8 Large
Forbrich, Jan VLBA/20B-226 A VLBA proper motion census of Young Stellar Objects in the Orion Nebula Cluster 16 Regular
Giovannini, Gabriele VLBA/21B-045 Jet properties in FR0 radio galaxies 44 Regular
Glikman, Eilat VLBA/21B-010 Constraining the Physical Properties of a Candidate Dual QSO at Cosmic Noon 6.77; HST: 1 orbit Regular
Hada, Kazuhiro VLBA/21B-086 Jet formation and connection to highly accreting SMBH in NLSy1 1H0323+342 16 Regular
Hada, Kazuhiro VLBA/21B-088 Testing the helical trajectory scenario in the active jet region HST-1 12 Regular
Hensley, Brandon VLBA/21B-037 Is Cyg OB2-12 a Colliding Wind Binary? 8.4 Regular
Immer, Katharina VLBA/20B-287 Tracing the gas flows in the inner Galaxy with maser astrometric observations 30 Regular
Impellizzeri, C. M. Violette VLBA/21B-117 Resolving the ionized gas disk in the nucleus of NGC 1068 8 Regular
JNHS, Aditya VLBA/21B-069 The CSO and starburst phenomena in NGC 3079 26 Regular
Kim, Dong-Chan VLBA/21B-219 VLBA Observation of recoiling SMBH candidates 12 Regular
Kim, Dongjin VLBA/21B-033 Unveiling the nature of a fueling flow in CygnusA 26 Regular
Kramer, Joana VLBA/21B-203 Probing Circular Polarization and Magnetic Field Structure in AGN Cores 24 Regular
Kunert-Bajraszewska, Magdalena VLBA/21B-180 High-resolution imaging of changing-state AGNs 87 Regular
Lemoine, Frank VLBA/21B-134 Establishing ties between VGOS and VLBA networks 24.2 Regular
Lister, Matthew VLBA/21B-053 MOJAVE: Parsec-Scale Jet Acceleration and the Blazar-Neutrino Connection 144 Large
Madika, Eftychia VLBA/21B-254 High-sensitivity imaging of the two-sided radio galaxy 3C 452 12 Regular
Marscher, Alan VLBA/20B-274 BEAM-ME: Blazars Entering the Astrophysical Multi-Messenger Era 288 Large
McKean, John VLBA/21B-289 Resolving the nature of quasar flux-ratio anomalies in gravitational lenses 60 Regular
Meyer, Eileen VLBA/20B-240 Mapping the Full Kinematic Profile of Jets from VLBA to VLA scale 51.7 Regular
Momjian, Emmanuel VLBA/21B-190 Resolving the highest redshift radio-loud quasar (blazar?) 12 Regular
Momjian, Emmanuel VLBA/21B-230 Strong Extragalactic AME, or a New Population of Radio Sources at a Very High z 4 Regular
Nanci, Cristina VLBA/21B-201 Are gamma-ray blazars associated with IceCube neutrinos? 60 Triggered
Nyland, Kristina VLBA/21B-218 A Candidate Young Jet Discovered in Commensal VLITE Data 12 Regular
Orienti, Monica VLBA/21B-015 Parsec-scale observations of a sample of low-power compact symmetric objects 37 Regular
O'Sullivan, Ewan VLBA/21B-114 Does the cluster-central type-II QSO IRAS 09104+4109 have active jets? 7 Regular
Paraschos, Georgios Filippos GMVA/21A-209 Where is the black hole in 3C84 located? 14 Regular
Park, Jongho VLBA/21B-075 Testing the MHD model of AGN jet acceleration 57.75 Regular
Petrov, Leonid VLBA/21B-038 Reaching completness of the VLBI-selected AGN sample North of -40 deg 84 Regular
Ravi, Vikram VLBA/21B-135 VLBA imaging of the z=5.5 radio- and X-ray loud quasar SRGE J170245.3+130104 9.5 Regular
Reid, Mark VLBA/21B-025 Toward a More Complete Mapping of the Spiral Structure of the Milky Way 42 Regular
Roy Chowdhury, Agniva VLBA/21B-208 Mapping the Full Kinematic Profile of Jets from VLBA to VLA scale 20 Regular
Sanna, Alberto VLBA/21B-156 Feasibility project for the ngVLA: a Science Case with Masers 13 Regular
Schellenberger, Gerrit VLBA/21B-150 Understanding the accretion process in the archetypal cooling flow group NGC5044 12 Regular
Schinzel, Frank VLBA/19B-048 A Parallax for PSR J0002+6216 8 Regular
Shin, Jaejin VLBA/21B-103 Validating the closest binary AGN  in NGC 7674 8 Regular
Sjouwerman, Lorant VLBA/21B-172 Highly excited OH in AGB stars 24 Regular
Spolaor, Sarah VLBA/21A-270 Exploring Post-merger SMBH Evolution with the VLBA 299 Large
Taylor, Greg VLBA/21B-011 A Comprehensive Catalog of Compact Symmetric Objects 168 Regular
Tetarenko, Alexandra GMVA/21B-281 Probing Relativistic Jets through mm-VLBI of X-ray Binaries 11 Regular
Traianou, Efthalia GMVA/21B-164 Moving and stationary shocks interaction after a gamma-ray flare in TXS2013+370  9 Regular
Traianou, Efthalia GMVA/21B-224 Imaging the magnetic fields and recollimation shocks in two legendary blazars 23 Regular
Vestergaard, Marianne VLBA/20A-029 The origin of low accretion state radio emission in the changing-look AGN Mrk590 29.4 Regular
Yu, Wenfei VLBA/21B-125 Resolving and Monitoring the Environment of an Active Repeating FRB 21 Regular
Zhang, Bo VLBA/20B-119 Validate Gaia Stellar Reference Frame via VLBI Astrometry of New Radio Stars: I 16 Regular
Zhang, Bo VLBA/21B-142 Validating the Gaia Reference Frame via VLBI Astrometry of New Radio Stars: II 63 Regular