Science Program 2021A
A total of 235 new proposals were received for the 3 August 2020 submission deadline for Semester 2021A. 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)
| PI | ID | Title | Hours | Type |
|---|---|---|---|---|
| Akins, Alex | VLA/21A-260 | Microwave Sounding of the Deep Atmosphere of Venus | 8 | Regular |
| Alexander, Kate | VLA/20B-377 | A Systematic Investigation of Radio Tidal Disruption Events | 146 | Large |
| Algera, Hiddo | VLA/21A-326 | Free-free Emission in High-redshift Star-forming Galaxies | 11.75 | Regular |
| Algera, Hiddo | VLA/21A-366 | Mapping the radio continuum in the brightest lensed galaxy | 5.5 | Regular |
| Anderson, Craig | VLA/21A-257 | Evaluation of VLASS capabilities for the physics of Radio Galaxy magnetism | 68 | Regular |
| Babul, Aliya Nur | VLA/21A-342 | Closing in on a Shocking Picture of Dust Formation in Novae | 43.5 | Triggered |
| Baldi, Ranieri | VLA/21A-001 | Exploring the nature of the extended emission in FR0 radio galaxies | 5 | Regular |
| Balser, Dana | VLA/21A-005 | The 3He Abundance in Planetary Nebulae | 29 | Regular |
| Barrett, Paul | VLA/21A-143 | High Frequency Observations of White Dwarf Pulsar AR Sco | 8 | Regular |
| Barrett, Paul | VLA/21A-144 | LAMOST 0240+19: A Possible Twin of AE Aqr | 3 | Regular |
| Battaglia, Marina | VLA/21A-118 | A 3D view on electron acceleration and transport in solar flares | 40 | Regular |
| Bayandina, Olga | VLA/21A-035 | M2O: Catching accretion bursts | 12 | Triggered |
| Begin, Theophile | VLA/21A-255 | Low-frequency diffuse radio emission detection in the Lyra Complex | 12 | Regular |
| Biava, Nadia | VLA/21A-169 | Follow up observations of extended radio mini halo: A1068 & RX J1532.9+3021 | 15.25 | Regular |
| Blue Bird, Julia | VLA/21A-304 | CHILES in C-configuration, spin alignment in nearby galaxies and HI in filaments | 24 | Regular |
| Borghese, Alice | VLA/21A-111 | Hunting for the supernova remnant of a very young radio-loud magnetar | 2 | Regular |
| Borthakur, Sanchayeeta | VLA/21A-275 | xVLA-Disk survey: Tracing gas flows in and around the HI-disk of L* galaxies | 100 | Large |
| Brienza, Marisa | VLA/21A-065 | Evidence of AGN jet-driven bubble evolving in the intergalactic medium | 7.5 | Regular |
| Bruni, Gabriele | VLA/21A-007 | The duty cycle of restarted giant radio galaxies: a pilot study | 9.5 | Regular |
| Cala, Rold·n | VLA/21A-138 | Confirming new maser-emitting planetary nebulae | 8.5 | Regular |
| Carniani, Stefano | VLA/20A-154 | The molecular side of a star-forming galaxy within the epoch of Reionization | 4 | Regular |
| Carotenuto, Francesco | VLA/20B-314 | Constraining black hole accretion-ejection coupling at low accretion rate | 53.3 | Triggered |
| Cendes, Yvette | VLA/21A-349 | Follow-Up of Emission from A Very Young M-Dwarf Discovered in VLASS | 3 | Regular |
| Chandra, Poonam | VLA/21A-106 | SN 2017hcc with the JVLA - a highly polarized Type IIn supernova | 5 | Regular |
| Cheng, Yu | VLA/21A-210 | JVLA NH3 survey of filament clouds (supplementary D config.) | 2.26 | Regular |
| Chen, Xi | VLA/21A-021 | H2CO maser in accretion burst of high-mass star formation | 1 | Regular |
| Chen, Zhengyi | VLA/21A-069 | Off-nuclear star formation in a gas-rich low-mass S0 galaxy | 4 | Regular |
| Chowdhury, Aditya | VLA/21A-078 | Molecular Absorption in a High-opacity HI 21cm Absorber at z~1.2 | 2 | Regular |
| Circosta, Chiara | VLA/21A-253 | Verifying molecular gas depletion in AGN hosts at z~2 | 45.6 | Regular |
| Claussen, Mark | VLA/20B-310 | Monitoring SiO and Water Maser Emission from R Aqr During Periastron Passage | 24 | Regular |
| Colombo, Dario | VLA/21A-061 | Unveiling the inside-out quenching of green valley galaxies | 120 | Regular |
| Corsi, Alessandra | VLA/20B-149 | A VLA quest for relativistic explosions in the era of ZTF II | 64 | Triggered |
| Costa, Allison | VLA/21A-198 | HI Violating Social Distancing in the Isolated Dwarf Galaxy Henize 2-10 | 4.66 | Regular |
| Crom, Genna | VLA/21A-281 | The Three Little Pigs: Tracing Evolutionary Stages in the Galactic Center | 6 | Regular |
| Damas, Ancor | VLA/21A-334 | Evolution of magnetic fields in defined interaction stages II | 35 | Regular |
| Dawson, Joanne | VLA/21A-153 | Probing Molecular Cloud-HII Region Dynamics using the OH Satellite Line Flip | 42.3 | Regular |
| DeMarchi, Lindsay | VLA/21A-239 | The Epic of Extreme Mass-Loss Events in Progenitors of H-stripped SNe | 12 | Triggered |
| De Simone, Marta | VLA/21A-031 | Hot Corinos chemical diversity: myth or reality? | 22 | Regular |
| Di Gennaro, Gabriella | VLA/21A-025 | THE STUDY OF THE MOST DISTANT HALO-RELIC SYSTEM IN THE NORTHERN SKY | 10 | Regular |
| Drout, Maria | VLA/21A-317 | Probing the Mass Loss History of Luminous IIn SN Prior to Their Final Eruptions | 6.5 | Regular |
| Eftekhari, Tarraneh | VLA/21A-183 | VLA Observations as a Probe of Mass Loss from the Progenitors of Luminous IIn SN | 7.5 | Regular |
| Eftekhari, Tarraneh | VLA/21A-320 | Constraining the Origin of the First Radio Source Associated with an SLSN | 4.5 | Regular |
| Eibensteiner, Cosima | VLA/21A-269 | FIREWORKS OF AMMONIA: Temperature Constraints in NGC6946 | 24.9 | Regular |
| Emonts, Bjorn | VLA/21A-059 | Cold gas in the proto-ICM of 0902+34: in-situ growth at peak of cosmic accretion | 36 | Regular |
| Evans, Aaron | VLA/21A-345 | GOALS-NORTH: A VLA Census of Star Formation in Extreme Environments | 13.17 | Regular |
| Ferraro, Nick | VLA/21A-246 | A Local Wolf-Rayet Galaxy Survey | 7 | Regular |
| Flanagan, Conor | VLA/21A-109 | A search for water masers in NGC6822 | 8 | Regular |
| Fong, Wen-fai | VLA/20B-057 | Elucidating the Explosion Properties of Cosmological Short GRBs with the VLA | 23.33 | Triggered |
| Forbrich, Jan | VLA/21A-215 | Star formation and more: a complete C-band survey of the Andromeda Galaxy (M31) | 30.0 | Regular |
| Friesen, Rachel | VLA/21A-309 | Disentangling filaments in TMC-1 | 32 | Regular |
| Fujimoto, Seiji | VLA/21A-145 | Total Gas Content in a Vigorous Star-forming Red Quasar Discovered at z>7 | 22 | Regular |
| Fujimoto, Seiji | VLA/21A-162 | First CO(1-0) Measurements of Strongly&Multiply Lensed sub-L* Galaxy at z=6.0719 | 23.3 | Regular |
| Gendron Marsolais, Marie-Lou | VLA/20A-092 | The Perseus cluster's heart at high radio frequencies | 12 | Regular |
| Gendron Marsolais, Marie-Lou | VLA/20B-231 | Revealing the nature of the source IC 310 | 8 | Regular |
| Gong, Hang | VLA/21A-156 | J1745-3213: A new X-ray binary with the shortest orbital period? | 6 | Regular |
| Gorski, Mark | VLA/21A-024 | K and Ka band chemical inventory of Compact Obscure Nucleii | 22.15 | Regular |
| Gregg, Michael | VLA/21A-385 | Galaxy Formation and the Isolated Ring Galaxy NGC1211 | 4 | Regular |
| Gusinskaia, Nina | VLA/21A-211 | Mapping accretion states in transitional millisecond pulsars | 6; Swift: 12 ksec | Triggered |
| Hajela, Aprajita | VLA/21A-303 | Measuring the True Prevalence of Jets in TDEs | 26 | Regular |
| Hlavacek-Larrondo, Julie | VLA/20A-198 | Imaging the coma cluster of galaxies with the JVLA | 10 | Regular |
| Ho, Anna | VLA/21A-308 | Fast-Luminous Optical Transients: Radio-Loud, Engine-Driven Stellar Explosions | 18 | Triggered |
| Hodge, Jacqueline | VLA/21A-254 | A LEGACY LIBRARY OF MOLECULAR GAS AT HIGH REDSHIFT | 116 | Regular |
| Hodge, Jacqueline | VLA/21A-335 | Detecting a massive molecular gas reservoir at z=7.3 | 40 | Regular |
| Hofner, Peter | VLA/19B-158 | Molecular Jets in High-Mass Protostars | 4.25 | Regular |
| Horesh, Assaf | VLA/21A-182 | Exploring A New Class of Flares in Active Galactic Nuclei | 6.67 | Triggered |
| Horesh, Assaf | VLA/21A-184 | Exploring the Nature of Radio Emission Excess in Tidal Disruption Events | 9.33 | Triggered |
| Hunter, Laura | VLA/21A-027 | Timescales of Neutral and Ionized Gas Kinematics in Low-Mass Galaxies | 9 | Regular |
| Hurley-Walker, Natasha | VLA/21A-148 | Candidate remnant radio galaxies from wide-area surveys | 53.36 | Regular |
| Hyman, Scott | VLA/21A-236 | Searching for Polarized Emission from MSP Candidates in the Galactic Bulge | 3 | Regular |
| Jin, Ruolan | VLA/21A-265 | Probing the Youngest Pulsar Wind Nebula in the Galaxy | 1.5 | Regular |
| Kado-Fong, Erin | VLA/21A-081 | A Quenched Dwarf in a Massive HI Reserve: Regulating Star Formation in the Field | 11.99 | Regular |
| Kakkad, Darshan | VLA/21A-256 | Relation between radio properties and ionized gas outflows in high redshift AGN | 36 | Regular |
| Kalinova, Veselina | VLA/21A-064 | Star formation quenching from active to passive galaxies | 100 | Regular |
| Kanekar, Nissim | VLA/21A-262 | Mapping HI 21cm emission in Green Pea galaxies | 24 | Regular |
| Kang, Yijung | VLA/21A-310 | High-resolution HI Imaging of Early-type Galaxies Hosting Type Ia Supernova | 50 | Regular |
| Kaur, Balpreet | VLA/21A-268 | The Host Galaxies of High-Redshift Damped Lyman-alpha Absorbers | 6.5 | Regular |
| Kimball, Amy | VLBA/21A-381 | Probing the AGN-core/jet contribution to radio emission from radio-quiet QSOs | 21.2 | Regular |
| Kim, Dongjin | VLA/21A-147 | A search for molecular absorption in the nuclear region of radio galaxies | 8.2 | Regular |
| Kumari, Nimisha | VLA/21A-358 | Using JVLA to identify a nearby potential Lyman Continuum leaker Pox 186 | 13 | Regular |
| Kurahara, Kohei | VLA/21A-116 | Polarimetry of nearby spiral galaxies in S-band | 47.44 | Regular |
| Lacy, Mark | VLA/21A-017 | A 3GHz survey of the Expanded Chandra Deep Field South | 80 | Regular |
| Lai, Chong Wa | VLA/21A-058 | High Resolution Radio Study of the Boomerang Pulsar Wind Nebula | 1.5 | Regular |
| Laskar, Tanmoy | VLA/20B-065 | Exploring Extreme Explosions from the Cosmic Dawn | 10 | Triggered |
| Laskar, Tanmoy | VLA/20B-198 | VLA Observations of the Nearby Unusual GRB 190829A | 4 | Regular |
| Laskar, Tanmoy | VLA/21A-241 | Probing the Magnetization of GRB Jets with Reverse Shocks | 21 | Triggered |
| Lau, Ryan | VLA/21A-391 | Capturing the 20-yr Radio Re-Brightening of WR 112 | 1.5 | Regular |
| Leroy, Adam | VLA/20A-346 | A VLA Local Group Legacy Survey - X-Proposal | 338 | Large |
| Linden, Sean | VLA/19B-215 | The Origin of Anomalous Microwave Emission in Extragalactic Star-Forming Regions | 9.8 | Regular |
| Li, Shanghuo | VLA/21A-128 | How to make massive protostellar cluster? | 9 | Regular |
| Li, Shanghuo | VLA/21A-165 | Filaments and Massive Star Formation | 14 | Regular |
| Liu, Hauyu | VLA/21A-122 | A Pilot JVLA Dust Polarization Study Towards High Mass Star-Forming Regions | 18.64 | Regular |
| Liu, Hauyu | VLA/21A-135 | B-field, outflow, are you ever misaligned? | 6.99 | Regular |
| Liu, Lijie | VLA/21A-251 | Star formation, turbulence and cloud collisions in dwarf galaxy NGC 404 | 2 | Regular |
| Loomis, Ryan | VLA/20A-390 | Probing the Nitrile Reservoir of the Comet Forming Zone in a Solar Nebula Analog | 2 | Regular |
| Luber, Nicholas | VLA/21A-386 | Studying Spiral-Elliptical Mergers with Neutral Hydrogen | 24 | Regular |
| Lucero, Danielle | VLA/21A-264 | Using HI, H2, and [C II] to measure Pressure in Early-Type Galaxies | 38.5 | Regular |
| Luo, Gan | VLA/21A-217 | Tracing Dark Gas Through Multi-band Absorption Observations | 14.5 | Regular |
| Maccarone, Thomas | VLA/21A-175 | Understanding anomalous soft state radio emission in neutron star X-ray binaries | 1.5 | Regular |
| Mahato, Mousumi | VLA/21A-227 | Studying giant double-double radio galaxies (DDRGs) from LoTSS | 17.64 | Regular |
| Matthews, David | VLA/20B-144 | The Radio Hunt for the Power Source in Super-luminous Supernovae | 29.33 | Triggered |
| Matthews, David | VLA/21A-080 | Radio Observations of Fast Blue Optical Transients | 7.33 | Triggered |
| Matthews, Lynn | VLA/21A-179 | Exploring the Nature of delta Cephei's Newly Discovered Radio Emission | 10 | Regular |
| Ma, Yik Ki | VLA/21A-315 | Spectro-polarimetry to Solve the Mystery of M 81's Magnetism | 30 | Regular |
| McKinney, Jed | VLA/21A-036 | Linking Heating and Star-Formation Efficiencies in the ISM of High-z Galaxies | 25.06 | Regular |
| Miller-Jones, James | VLA/21A-204 | Transient jet launching in stellar-mass black holes | 10.64; Swift: 27 ksec | Triggered |
| Miller-Jones, James | VLBA/21A-195 | Transient jet launching in stellar-mass black holes | 26.67; Swift: 27 ksec | Triggered |
| Momjian, Emmanuel | VLA/21A-173 | Zeeman Observations of Class II Methanol Masers in NGC 6334F | 8 | Regular |
| Morokuma, Kana | VLA/21A-187 | Are Blueberry galaxies as HI-deficit as Lyman-continuum leakers? | 59.1 | Regular |
| Mueller, Ancla | VLA/21A-248 | Magnetic fields in jellyfish galaxies | 101 | 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 | 5 | Regular |
| North-Hickey, Freya | VLA/21A-160 | Unravelling the Radio Properties of Fast Radio Burst Host Galaxies | 5.5 | Regular |
| Ogle, Patrick | VLA/21A-191 | Weighing the Dark Matter Halos of the Most Massive Spirals | 88 | Regular |
| Ono, Yoshiaki | VLA/21A-151 | Deep CO(2-1) spectroscopy for three remarkably luminous LBGs at z=6.029-6.204 | 8 | Regular |
| Orienti, Monica | VLA/21A-012 | Magnetic fields in the interacting system Arp 143 | 2 | Regular |
| Orienti, Monica | VLBA/21A-014 | Unveiling particle acceleration regions in the X-ray emitting hotspot 3C227 West | 6 | Regular |
| Perley, Daniel | VLA/21A-319 | Radio Characterization of ZTF Orphan Afterglows | 15.06 | Triggered |
| Pirogov, Lev | VLA/21A-339 | Triggered star formation in the W40 region | 5 | Regular |
| Plotkin, Richard | VLA/20B-034 | Tracking the black hole disk/jet connection into quiescence | 6.66 | Triggered |
| Richards, Gordon | VLA/21A-368 | A Novel Method to Probe the Origin of Radio Emission in Luminous Quasars | 43.42 | Regular |
| Rodriguez, Luis | VLA/21A-305 | The kinematic age of G57.2+0.8, the SN remnant associated with SGR J1935+2154 | 1.25 | Regular |
| Rojas-Ruiz, Sofia | VLA/21A-307 | Constraining the synchrotron lifetime of an extreme radio quasar at redshift 6 | 5 | Regular |
| Roy, Nirupam | VLA/21A-266 | Measuring magnetic field and temperature in the molecular envelope of DR 21 | 12 | Regular |
| Rugel, Michael | VLA/20A-160 | THOR-GC: An extension of THOR to the Galactic Center | 121.2 | Regular |
| Rugel, Michael | VLA/21A-287 | HI and OH observations to complement SOFIA HyGAL legacy program | 34.8 | Regular |
| Salak, Dragan | VLA/21A-113 | Large-Field HI Imaging of the Superwind Galaxy NGC 1482 | 20 | Regular |
| Sarma, Anuj | VLA/21A-168 | Zeeman Observations of 44 GHz Class I methanol masers | 12 | Regular |
| Schellenberger, Gerrit | VLA/21A-002 | Understanding the AGN outburst cycle in NGC1407 | 4 | Regular |
| Schinnerer, Eva | VLA/21A-282 | PHANGS Radio: Cloud-scale S-Band imaging for 14 nearby galaxies from PHANGS-ALMA | 7.07 | Regular |
| Serrano Borlaff, Alejandro | VLA/21A-043 | Flares, breaks and warps in the outskirts of the HI and stellar disk of UGC11859 | 11.49 | Regular |
| Shi, Yong | VLA/20A-004 | RESOLVING HI EMISSION AT 1 KPC OF A ULTRA DIFFUSE GALAXY - copy | 6 | Regular |
| Shu, Xinwen | VLA/21A-146 | Temporal evolution of radio emission from galaxies with nuclear mid-IR outbursts | 6.72 | Regular |
| Sokolovsky, Kirill | VLA/21A-120 | Understanding classical novae through their multi-frequency radio lightcurves | 14 | Regular |
| Stark, Antony | VLA/21A-228 | First Radio Observations of the Brightest Object at z > 5 | 12; HST: 3 orbits | Regular |
| Stein, Yelena | VLA/21A-033 | VLA S-BAND OBSERVATIONS OF 28 SPIRAL GALAXIES FROM THE CHANG-ES SAMPLE | 136.29 | Regular |
| Stroh, Michael | VLA/21A-178 | A systematic VLA study of stellar explosions | 45 | Regular |
| Sun, Xiaohui | VLA/21A-056 | The magnetic fields in the supernova remnant CTB 80 | 1.5 | Regular |
| Tam, Pak Hin | VLA/21A-285 | Tracing the ambient density over the orbit of the gamma binary HESS J1832-093 | 5.5 | Regular |
| Tendulkar, Shriharsh | VLA/21A-387 | Arcsecond Localization of Repeating FRBs | 60 | Large |
| TROJA, ELEONORA | VLA/21A-277 | Beyond the GRB jet: searching for the remnant of a neutron star merger | 5 | Regular |
| Umehata, Hideki | VLA/21A-346 | Uncovering the total molecular gas reservoirs within the Cosmic Web at z=3 | 74 | Regular |
| Valentino, Francesco | VLA/21A-133 | A golden reference for ISM studies of distant normal galaxies | 165.53 | Regular |
| van den Eijnden, Jakob | VLA/21A-003 | Unravelling the radio emission of a transient high-mass X-ray binary | 21 | Triggered |
| Wagg, Jeff | VLA/21A-294 | RAGERS VLA: Molecular Gas Tracing High-Redshift Galaxy Overdensities | 23 | Regular |
| Walsh, Gregory | VLA/21A-213 | Exploring the Large-Scale Environment of CRTS Identified Periodic Quasars | 5.5 | Regular |
| Wang, Tao | VLA/21A-276 | A deep CO(1-0) survey towards the most distant known galaxy cluster at z=2.51 | 25.2 | Regular |
| Wang, Yuanming | VLA/21A-129 | VLA follow-up of extreme Intrahour Variability found with ASKAP | 10 | Regular |
| Williams, Gwenllian | VLA/21A-026 | Interaction of two IRDC hubs: A complete evolutionary study of the SDC13 region | 13.4 | Regular |
| Xi, Hongwei | VLA/21A-108 | JVLA observations of galaxies discovered in the Pilot FAST Ultra Deep Survey | 17 | Regular |
| Xue, Ci | VLA/21A-232 | Constraining the Molecular Morphology toward TMC-1 CP with VLA D Configuration | 25.3 | Regular |
| Yang, Yao-Lun | VLA/21A-159 | Do twins always look the same?: Testing the chemical difference in a protobinary | 15 | Regular |
| Yan, Yaoting | VLA/21A-157 | Imaging the Newly Discovered Ammonia (9,6) Masers in G34.26+0.15 and Cep A | 1 | Regular |
| Yoon, Ilsang | VLA/21A-263 | Characterizing Radio Spectral Shape of 'Winged' Radio Galaxies | 41.1 | Regular |
| Yusef-Zadeh, Farhad | VLA/21A-075 | Identification of the Stellar Sources Feeding the Galactic Center Filaments | 14 | Regular |
| Yusef-Zadeh, Farhad | VLA/21A-076 | Simultaneous VLA and EHT observations of Sgr A* | 28 | Regular |
| Yu, Sijie | VLA/21A-170 | Tracing Energetic Electrons in the Solar Corona During PSP Perihelions 8 and 9 | 48 | Regular |
| Zhang, Hong-Xin | VLA/21A-231 | VLA HI Mapping of Dwarf Mergers in the Virgo Cluster | 63.05 | Regular |
| Zhou, Chenlin | VLA/21A-023 | Observing gas temperature and column density structure of three prestellar cores | 7.9 | Regular |
Very Long Baseline Array (VLBA), High Sensitivity Array (HSA), and Global 3mm VLBI Array (GMVA)
| PI | ID | Title | Hours | Type |
|---|---|---|---|---|
| An, Tao | VLBA/21A-181 | Imaging the nuclear region of 7 accreting intermediate-mass black holes | 21 | Regular |
| Aydi, Elias | VLBA/21A-095 | Towards a universal scenario for shock formation in novae | 84 | Triggered |
| 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 |
| Breiding, Peter | VLBA/21A-361 | A Hunt for Binary Supermassive Black Holes with the VLBA and HST | 32.62; HST: 4 orbits | Regular |
| Burns, Ross | VLBA/20B-048 | High-mass protostellar accretion bursts | 24.03 | Triggered |
| Claussen, Mark | VLBA/20B-317 | Monitoring SiO and Water Maser Emission from R Aqr During Periastron Passage | 48 | Regular |
| Curiel, Salvador | VLBA/20A-318 | Unveiling the orbital motions of the sub-stellar companions of the WTTS DoAr21 | 18 | Regular |
| Curiel, Salvador | VLBA/21A-037 | Characterizing the planetary companions of the nearby ultracool dwarf TVLM513 | 22.5 | Regular |
| Curiel, Salvador | VLBA/21A-038 | Searching for planets around three nearby ultracool dwarfs | 72 | Regular |
| Ding, Hao | VLBA/20B-146 | VLBA astrometry of the double neutron star PSR J1537+1155 | 8 | Regular |
| Dodson, Richard | VLBA/21A-028 | MultiView Astrometry to Measure the Structure of the Galactic Magnetic Field II | 12 | Regular |
| Dodson, Richard | VLBA/21A-134 | Astrometric Observations around the Galactic Bar | 13 | Regular |
| Dzib, Sergio | VLBA/21A-284 | Testing Gaia astrometry with VLBA astrometry to nearby pre-main sequence stars | 88.9 | Large |
| Giroletti, Marcello | VLBA/20B-107 | Are gamma-ray blazars associated with IceCube neutrinos? | 30 | Triggered |
| Gomez, Jose L. | GMVA/20B-234 | imaging massive binary black hole candidate OJ287 with the GMVA+ALMA | 14 | Regular |
| Immer, Katharina | VLBA/20B-287 | Tracing the gas flows in the inner Galaxy with maser astrometric observations | 78 | Regular |
| Issaoun, Sara | GMVA/20B-269 | Sharpening the Source Model for Sgr A* with GMVA+ALMA | 10 | Regular |
| Janssen, Michael | GMVA/20B-042 | Unraveling the nature of the Cen A jet: From cm to mm on light-day scales. | 5.83 | Regular |
| Jones, Dayton | VLBA/20A-044 | VLBA Astrometry of the Juno Spacecraft: The Final Epochs | 8 | Regular |
| Kaczmarek, Jane | VLBA/21A-314 | Precise Pulsar Positions for CHIME/FRB Outrigger Calibration | 60 | Regular |
| Kadler, Matthias | GMVA/20B-244 | Core Dynamics and Expansion of the Neutrino Blazars TXS 0506+056 and PKS1502+103 | 22 | Regular |
| Kassim, Namir | VLBA/21A-235 | Resolving the Mystery of Steep Spectrum Radio Sources Towards the Galactic Bulge | 14.01 | Regular |
| Kimball, Amy | VLBA/21A-381 | Probing the AGN-core/jet contribution to radio emission from radio-quiet QSOs | 21.2 | Regular |
| Kino, Motoki | GMVA/20B-066 | Ultra-deep imaging of the stratified jet base of Cygnus A | 15 | Regular |
| Kovalev, Yuri | VLBA/20B-061 | VLBI as a key to the source of high energy neutrino | 96 | Triggered |
| Koyama, Shoko | GMVA/20B-383 | Resolving the jet collimation region in TeV blazar Mrk 501 | 6 | Regular |
| Lico, Rocco | GMVA/20B-229 | Zooming in the nuclear region of the first gamma-ray periodic blazar PG1553+113 | 8 | Regular |
| Lister, Matthew | VLBA/19B-194 | MOJAVE: Probing Acceleration and Magnetic Field Evolution in AGN Jets | 216 | Large |
| Lu, Rusen | GMVA/20B-220 | Jet Meets Black Hole in M87: Breaking New Ground with GMVA+ALMA | 28 | Regular |
| MacDonald, Nicholas | GMVA/20B-145 | Disorder vs. Order: Discerning the nature of the magnetic field in PKS 1510-089 | 5 | Regular |
| Marscher, Alan | VLBA/20B-274 | BEAM-ME: Blazars Entering the Astrophysical Multi-Messenger Era | 288 | Large |
| Meyer, Eileen | VLBA/20B-240 | Mapping the Full Kinematic Profile of Jets from VLBA to VLA scale | 20.8 | Regular |
| Miller-Jones, James | VLBA/21A-195 | Transient jet launching in stellar-mass black holes | 52; Swift: 27 ksec | Triggered |
| Mooley, Kunal | VLBA/21A-247 | Resolving Relativistic Afterglows in the VLA Sky Survey | 36 | Regular |
| Munari, Ulisse | VLBA/21A-051 | Flash photography around a symbiotic nova: the circumstellar gas distribution | 13 | Triggered |
| Nagar, Neil | GMVA/20B-343 | A sample of black holes at <100 R_g scales: accretion flows, jets and shadows | 21 | Regular |
| Nagar, Neil | VLBA/21A-322 | A sample of black holes at <100 Rg scales: accretion flows, jets, shadows | 18 | Regular |
| Orienti, Monica | VLBA/21A-014 | Unveiling particle acceleration regions in the X-ray emitting hotspot 3C227 West | 6 | Regular |
| Ortiz, Gisela | VLBA/20A-127 | VLBA astrometry of water masers associated to protostars in Serpens South | 72.8 | Regular |
| Paraschos, Georgios Filippos | GMVA/21A-209 | Where is the black hole in 3C84 located? | 14 | Regular |
| Park, Jongho | VLBA/20B-116 | Towards a complete understanding of jet acceleration & energy dissipation in M87 | 32 | Regular |
| Perley, Daniel | VLBA/20B-115 | VLBA Monitoring of the Serendipitous Cygnus A Radio Transient | 16 | Regular |
| Pihlstrom, Ylva | VLBA/21A-200 | K- and Q-band VLBI Calibrators near the Galactic Center | 35 | Regular |
| Ramakrishnan, Venkatessh | VLBA/21A-289 | Jet profile of Low Luminosity AGNs | 24 | Regular |
| Shao, Yali | VLBA/21A-084 | On the Origin of the Radio Spectral Turnover of 6 Radio-loud Quasars at z > 5 | 28 | Regular |
| Spolaor, Sarah | VLBA/21A-270 | Exploring Post-merger SMBH Evolution with the VLBA | 149 | Large |
| Vestergaard, Marianne | VLBA/20A-029 | The origin of low accretion state radio emission in the changing-look AGN Mrk590 | 33.6 | Regular |
| Yang, Xiaolong | VLBA/21A-224 | Resolving the nuclear radio structure of NGC 1068 | 13.3 | Regular |
| Yoon, Ilsang | VLBA/21A-053 | Hidden Binary Supermassive Black Holes Revealed by 'Radio-Near IR' Imaging | 4; HST: 2 orbits | Regular |
| Yoon, Ilsang | VLBA/21A-104 | Binary Supermassive Black Hole in the Center of X-shape Radio Galaxy | 4.3 | Regular |
| Zhang, Bo | VLBA/20A-143 | Validate Gaia Stellar Reference Frame via VLBI Astrometry of Radio Stars | 40 | Regular |
| Zhang, Bo | VLBA/20B-119 | Validate Gaia Stellar Reference Frame via VLBI Astrometry of New Radio Stars: I | 16 | Regular |
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