Tomás Ahumada

Employment

• NOIRLab Assistant Scientist
  2025 - Present
• California Institute of Technology Postdoctoral fellow
  2022 - 2025
• University of Maryland at College Park Department of Astronomy Graduate Student
  2017 - 2022

Education

Education history is unavailable.

Projects & Funding

Projects & funding information is unavailable.

Publications (40)

• EP250827b/SN 2025wkm: An X-Ray Flash-supernova Powered by a Central Engine and Circumstellar Interaction
  The Astrophysical Journal Letters 2026 DOI: 10.3847/2041-8213/ae7a68
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• GRB 230204B: GIT Discovery of a Fast Fading Afterglow Associated with an Energetic Gamma-Ray Burst from a Massive Star Progenitor
  Vishwajeet Swain, V. Bhalerao, Harsh Kumar +19 more
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae459f
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• LIGO/Virgo/KAGRA Neutron Star Merger Candidate S250206dm: Zwicky Transient Facility Observations
  Tomás Ahumada, Shreya Anand, Mattia Bulla +49 more
  Publications of the Astronomical Society of the Pacific 2026 DOI: 10.1088/1538-3873/ae4539
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• GRB 250704B: An Off-axis Short GRB with a Long-lived Afterglow Plateau
  Vishwajeet Swain, Tomás Ahumada, Sameer K. Patil +27 more
  The Astrophysical Journal Letters 2026 DOI: 10.3847/2041-8213/ae2a20
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• Low-latency Forecasts of Kilonova Light Curves for Rubin and ZTF
  Publications of the Astronomical Society of the Pacific 2026 DOI: 10.1088/1538-3873/ae2e87
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• ZTF25abjmnps (AT2025ulz) and S250818k: A Candidate Superkilonova from a Subthreshold Subsolar Gravitational-wave Trigger
  Mansi M. Kasliwal, Tomás Ahumada, Robert Stein +61 more
  The Astrophysical Journal Letters 2025 DOI: 10.3847/2041-8213/ae2000
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• Characterizing EP241107a: multiwavelength observations of an Einstein Probe-detected fast X-ray transient
  D. Eappachen, Arvind Balasubramanian, Vishwajeet Swain +12 more
  Monthly Notices of the Royal Astronomical Society 2025 DOI: 10.1093/mnras/staf2062
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• Limits on the ejecta mass during the search for kilonovae associated with neutron star-black hole mergers: A case study of S230518h, GW230529, S230627c and the low-significance candidate S240422ed
  Physical Review D 2025 DOI: 10.1103/6ld6-95xh
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• IIb or not IIb: A Catalog of ZTF Kilonova Imposters
  Publications of the Astronomical Society of the Pacific 2025 DOI: 10.1088/1538-3873/adf578
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• WINTER on S250206dm: A Near-infrared Search for an Electromagnetic Counterpart to a Gravitational-wave Event
  Publications of the Astronomical Society of the Pacific 2025 DOI: 10.1088/1538-3873/ade478
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• Searching for Gravitational Wave Optical Counterparts with the Zwicky Transient Facility: Summary of O4a
  Tomás Ahumada, Shreya Anand, M. W. Coughlin +49 more
  Publications of the Astronomical Society of the Pacific 2024 DOI: 10.1088/1538-3873/ad8265
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• Machine-directed Gravitational-wave Counterpart Discovery
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad7257
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• Dramatic Rebrightening of the Type-changing Stripped-envelope Supernova SN 2023aew
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad3758
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• Kilonova Parameter Estimation with LSST at Vera C. Rubin Observatory
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad35c1
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• Characterizing the Ordinary Broad-line Type Ic SN 2023pel from the Energetic GRB 230812B
  Gokul P. Srinivasaragavan, Vishwajeet Swain, Brendan O’Connor +39 more
  The Astrophysical Journal Letters 2024 DOI: 10.3847/2041-8213/ad16e7
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• Updated Observing Scenarios and Multimessenger Implications for the International Gravitational-wave Networks O4 and O5
  The Astrophysical Journal 2023 DOI: 10.3847/1538-4357/acfcb1
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• Neutrino follow-up with the Zwicky transient facility: results from the first 24 campaigns
  Monthly Notices of the Royal Astronomical Society 2023 DOI: 10.1093/mnras/stad767
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• In Search of Short Gamma-Ray Burst Optical Counterparts with the Zwicky Transient Facility
  Tomás Ahumada, Shreya Anand, M. W. Coughlin +46 more
  The Astrophysical Journal 2022 DOI: 10.3847/1538-4357/ac6c29
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• Candidate Tidal Disruption Event AT2019fdr Coincident with a High-Energy Neutrino
  Physical Review Letters 2022 DOI: 10.1103/PhysRevLett.128.221101
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• The long-active afterglow of GRB 210204A: detection of the most delayed flares in a gamma-ray burst
  Harsh Kumar, Rahul Gupta, Divita Saraogi +22 more
  Monthly Notices of the Royal Astronomical Society 2022 DOI: 10.1093/mnras/stac1061
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