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.

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

PI Proposal ID Proposal Title Date Approved Hours Approved Proprietary Period
Yuhan Yao VLA/26B-377 A VLA Test of Jet Production in EP260806a 08/25/2026 0.6 6
Louis Seyfritz VLA/26B-376 Joint Radio / IR Constraints on Coronal Magnetic Fields in Solar Active Regions 08/12/2026 12 6
Laura Chomiuk VLA/26A-650 VLA Observations of the New Recurrent Nova AT2026lck 07/21/2026 8.75 6
Raphael Baer-Way
VLA/26A-648 VLA followup of a nearby strongly interacting hydrogen-rich supernova 07/16/2026 2.82 6
Dougal Dobie
VLBA/26A-647 Extreme variability induced by a stellar astrosphere 07/15/2026 2 6
Pikky Atri VLBA/26A-646 VLBA is invited to the retirement party of GRS 1915+105

07/06/2026

6 6
Jingbo Sun VLA/26A-641 Catching the Third Flare of the First Repeating Partial TDE in a Radio-loud AGN 06/15/2026 2.75 6
James Freeburn VLA/26A-639 Revealing the jet of a candidate white dwarf tidal disruption event with the VLA 06/10/2026 3 6
Wenkai Li VLA/26A-638 VLA Observation of a Unique Off-nuclear TDE Candidate 06/05/2026 10 6
Vishwangi Shah
VLA/26A-636 Searching for a Persistent Radio Source Associated with FRB 20240209A 06/03/2026 3 6
Genevieve Schroeder VLA/26A-623 Radio SEDs of Two Radio Luminous SNe Ic-bl 05/22/2026 2 6
John Tobin VLA/26A-622 The Properties of Newly Launched Ejecta from the Protostar HOPS-321 05/19/2026 7.27 6
Marcello Giroletti VLBA/26A-619 Structural evolution in the afterglow of GRB 260310A 05/14/2026 36 6
Genevieve Schroeder VLA/26A-620 Continued Monitoring of the Radio Bright SN2025shf 05/13/2026 1 6
John Cannon VLA/26A-618 The Expanding Radio Nebula Surrounding the Massive Binary Star RY Sct 05/08/2026 1.5 6
Reynier Squillace VLA/26A-616 Precise Localizations of Two Exotic, Newly Discovered Pulsars 04/24/2026 2 6
Robert Main VLA/26A-613 Precise Localizations of Three Exotic, Newly Discovered Pulsars 04/17/2026 1.4 6
Daniel Perley VLA/26A-608 A Radio Spectral Time Series of the Afterglow of GRB260310A 03/26/2026 28.8 0
Asantha Cooray VLA/26A-606 A H2O Giga-Maser at Redshift 1? 03/18/2026 5.01 6
Gabriele Bruni VLA/26A-603 A VLA search for a PRS associated with the hyper-active FRB 20251229A 03/18/2026 1.5 6
Bjorn Emonts VLA/26A-598 The Loud Cosmic Owl: Newborn Black Hole or Jet-Driven Shock? 03/11/2026 2 6
Lynn Matthews VLA/26A-591 Perturbations in the Atmosphere of Betelgeuse Induced by a Close-in Companion 02/23/2026 4.0 6
Genevieve Schroeder VLBA/26A-590 The Radio Bright SN2025shf: Off-axis Jet or Circumstellar Material Interaction? 02/06/2026 3.0 6
Hira Fatima VLA/26A-585 What is happening during the anomalous low state of Her X-1? 02/06/2026 4.0 6
Tao An VLA/25B-410 ultra-long GRB 251129A: central-engine shutdown or external energy injection 01/21/2026 3.4 6
Mark Claussen VLA/25B-409 The Current Water/OH Maser Spectra from the Water-Fountain PPNe IRAS16342-3814 01/15/2026 3.0 6
Elisa Amenta VLA/25B-406 Radio Emission and Wind Feedback in the SUBWAYS Sample - completing the sample 01/02/2026 1.0 6
Genevieve Schroeder VLA/25B-407 The Radio Bright SN2025shf: Off-axis Jet or Circumstellar Material Interaction? 12/30/2025 0.8 6
Carl Ingebretsen VLA/25B-405 Low-Frequency Characterization of Disk and Planet Hosting System WISPIT-2 12/17/2025 5.0 6
Tao An VLA/25B-403 ultra-long GRB 251129A: central-engine shutdown or external energy injection 12/11/2025 4.5 6
Dejan Urosevic VLA/25B-401 Radio continuum emission of non-radiative filaments in Cygnus Loop - v2 12/04/2025 17.0 6
Lorena Hernandez-Garcia VLA/25B-390 Continued VLA monitoring of the nuclear transient AT20201hdr 11/05/2025 7.0 6
Poonam Chandra VLA/25B-389 Searching for radio emission from candidate supernovae for high energy neutrinos 10/31/2025 1.42 6
Dana Baylis-Aguirre VLBA/25B-387 Exploring the dynamic inner circumstellar environment of Mira variable, V CVn 10/24/2025 1.0 6
Adam Lanman VLA/25B-384 Localizing the Low-DM FRB 20250906A with realfast 10/14/2025 4.0 6
Kazuhiro Hada VLBA/25B-382 VLBA Follow-up of a Gamma-ray Flaring Event in a Narrow-line Seyfert 1 Galaxy 10/09/2025 10.0 6
Yi Feng VLA/25B-378 Revealing the nature of the persistent radion source FRB 20240114A 09/13/2025 3.0 6
Patrick Taylor VLBA/25B-377 Eavesdropping on Goldstone Radar Observations of Near-Earth Asteroid 2025 FA22 09/08/2025 4.5 6
Adam Deller VLA/25B-372 Confirming the JWST-identified host galaxy of FRB 20210912A 08/26/2025 0.5 6
Michael Busch VLBA/25B-367 Radar Speckle Observations of Near-Earth Asteroid 2025 FA22 08/18/2025 0.5 6
Anna Ho VLA/25B-366 SN2025mkn: A Likely Lensed Fast Transient at High Redshift 08/13/2025 2.5 6

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