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)
| PI | ID | Title | Hours | Type |
|---|---|---|---|---|
| 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-254 | A LEGACY LIBRARY OF MOLECULAR GAS AT HIGH REDSHIFT | 24 | Regular |
| 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 |
| O'Neil, Karen | VLA/23B-180 | THE FORMATION OF MASSIVE LOW SURFACE BRIGHTNESS GALAXIES | 79.5 | 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)
| PI | ID | Title | Hours | Type |
|---|---|---|---|---|
| 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 |
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