Ramandeep Gill

Ramandeep GillRamandeep GillRamandeep Gill

Ramandeep Gill

Ramandeep GillRamandeep GillRamandeep Gill
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Employment

2021 - Present

Instituto de Radioastronomía y Astrofísica (IRyA) UNAM

Event Details

2021 - Present

Instituto de Radioastronomía y Astrofísica (IRyA) UNAM

Investigador Titular A

2019 - 2021

The George Washington University

Event Details

2019 - 2021

The George Washington University

Postdoctoral Fellow

2015 - 2021

The Open University of Israel

Event Details

2015 - 2021

The Open University of Israel

Postdoctoral Fellow

Advisor: Prof. Jonathan Granot

2012 - 2015

Canadian Institute for Theoretical Astrophysics

Event Details

2012 - 2015

Canadian Institute for Theoretical Astrophysics

Postdoctoral Fellow

Advisor: Prof. Chris Thompson

Education

2012

PhD in Astrophysics

Event Details

2012

PhD in Astrophysics

University of British Columbia

Advisor: Prof. Jeremy Heyl

Publications


  1. GRB 260310A / SN 2026fgk: A Multi-Wavelength Study of a Nearby Underluminous Long GRB and SN with a Complex Afterglow
    Gill, R. et al. 2026, MNRAS, Submitted
  2. Earliest simultaneous multi-color optical observations of GRB 230328B: from 41 seconds to the host-galaxy identification
    Komesh, T. et al. 2026, MNRAS, Submitted
  3. First Detection of Faraday Rotation in a  Gamma-Ray Burst Afterglow: Low Polarization and High Rotation Measure in  GRB 260310A Reveal Jet Magnetic Structure and Environment
    Christy, C. et al. 2026, ApJL, Submitted
  4. GRB 241030A: a bright afterglow challenging forward shock emission
    Ducoin, J.-G. et al. 2026, A&A, Submitted
  5. Multi-epoch afterglow rebrightenings in GRB 250129A: Evidence for successive shock interactions
    Akl, D., Antier, S., Koehn, H., Pang, P. T. H., Geng, J. J., Gill, R. et al. 2026, A&A, Submitted
  6. Prospects of Prompt Gamma-Ray Burst Polarimetry with POLAR-2
    Gill, R., He, J., Granot, J. et al. 2026, MNRAS, 547, ag542G
  7. Design and preliminary performance study of the broad-band spectrometer detector for POLAR-2
    Sun, J. C. et al. 2026, Experimental Astronomy, 61, 9S 
  8. A milli-Tidal Disruption Event Model for GRB 250702B: Main Sequence Star Disrupted by an IMBH
    Granot, J., Perets, H. B., Gill, R. et al. 2026, MNRAS, 547, ag328G
  9. Synchrotron Self-Compton Model of TeV Afterglows in Gamma-Ray Bursts
    Aguilar-Ruiz, E., Gill, R. et al. 2026, MNRAS, 546ag101A
  10. Evidence of Energy Injection in the Short and Distant GRB 250221A
    Angulo, C., Becerra, R., Gill, R. et al. 2025, MNRAS, 546, ag184A
  11. GRB 250702B: Discovery of a Gamma-Ray Burst from a Black Hole Falling into a Star
    Neights, E. et al. 2026, MNRAS, 545f2019N
  12. Optical/infrared observations of the  extraordinary GRB 250702B: a highly obscured afterglow in a massive  galaxy consistent with multiple possible progenitors
    Carney, J. et al. 2025, ApJL, 994L, 46C
  13. Comprehensive X-ray Observations of the Exceptional Ultra-long X-ray and  Gamma-ray Transient GRB 250702B with Swift, NuSTAR, and Chandra:  Insights from the X-ray Afterglow Properties
    O'Connor, B., Gill, R. et al. 2025, ApJL, 994L, 17O
  14. The redshift distribution of Einstein Probe transients supports their relation to gamma-ray bursts
    O'Connor, B. et al. 2025, ApJL, 993L, 37O
  15. On the Efficiency of Producing Gamma-Ray Bursts from Isolated Population III Stars
    Morales-Rivera, G., Gill, R., et al. 2026, MNRAS, 545f1985M
  16. Continued Rapid Radio Brightening of the Tidal Disruption Even AT2018hyzhttps://ui.adsabs.harvard.edu/abs/2025arXiv250708998C/abstract" rel="noopener" target="_blank">
    Cendes, Y., Berger, E., Beniamini, P., Gill, R. et al. 2026, ApJ, 998, 111C
  17. The curious case of EP241021a: Unraveling the mystery of its exceptional rebrightening
    Busmann, M. et al. 2025, A&A, 701A, 225B
  18. GRB 221009A: the B.O.A.T Burst that Shines in Gamma Rays
    Fermi-LAT Collaboration 2024, ApJS, 277, 24A
  19. X-ray Afterglow limits on the viewing angles of short gamma-ray bursts
    O'Connor, B., Beniamini, P., and Gill, R. 2024, MNRAS, 533, 1629O
  20. Afterglow Linear Polarization Signatures from Shallow GRB Jets: Implications for Energetic GRBs
    Birenbaum, G., Gill, R., Bromberg, O., Beniamini, P., and Granot, J. 2024, ApJ, 974, 308B
  21. Prompt GRB Polarization from Non-Axisymmetric Jets
    Gill, R. and Granot, J. 2024, MNRAS, 527, 12178
  22. GRB 221009A Afterglow from a Shallow Angular Structured Jet
    Gill, R. and Granot, J. 2023, MNRAS, 524, L78
  23. Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow
    Fermi-GBM et al. 2023, ApJL, 952, 42
  24. A structured jet explains the extreme GRB 221009A
    O'Connor, B., Troja, E., Ryan, G., Beniamini, P., van Eerten, H., Granot, J., Dichiara, S., Ricci, R., Lipunov, V., Gillanders, J. H., Gill, R., et al. 2023, Sci. Adv., 9, eadi1405
  25. Gamma rays from a reverse shock with turbulent magnetic fields in GRB 180720B
    Arimoto, M., Asano, K., Kawabata, K. S., Toma, K., Gill, R., et al. 2024, Nature Astronomy, 8, 134
  26. Propagation of Alfven waves in the charge starvation regime
    Kumar, P., Gill, R., and Lu, W. 2022, MNRAS, 516, 2697
  27. Robust Features of Off-Axis Gamma-Ray Burst Afterglow Lightcurves
    Beniamini, P., Gill, R., and Granot, J. 2022, MNRAS, 515, 555
  28. Gamma-Ray Bursts at TeV Energies: Theoretical Considerations
    Gill, R. and Granot, J. 2022, Galaxies, 10, 74
  29. The Gamow Explorer: A gamma-ray burst observatory to study the high redshift universe and enable multi-messenger astrophysics
    The Gamow Explorer Team, 2021, Proc. SPIE 11821
  30. GRB Polarization: A Unique Probe of GRB Physics
    Gill, R., Kole, M., and Granot, J. 2021, Galaxies, 9, 82
  31. Temporal Evolution of Prompt GRB Polarization
    Gill, R. and Granot, J. 2021, MNRAS, 504, 1939
  32. High-Energy Emission from a Magnetar Giant Flare in the Sculptor Galaxy
    Fermi Collaboration (+ Gill, R. +),  2021, Nature Astronomy
  33. 3D Magnetised Jet Break-Out From Neutron-Star Binary Merger Ejecta: Afterglow Emission From the Jet and the Ejecta
    Nathanail, A., Gill, R., Porth, O., Fromm, C. M., & Rezzolla, L. 2021, MNRAS, 502, 1843
  34. GRB Spectrum from Gradual Dissipation in a Magnetized Outflow
    Gill, R., Granot, J., & Beniamini, P. 2020,  MNRAS, 499, 1356
  35. On the opening angle of magnetised jets from neutron-star mergers: the case of GRB170817A
    Nathanail, A., Gill, R., Porth, O., Fromm, C. M., & Rezzolla, L. 2020, MNRAS, 495, 3780
  36. Afterglow Lightcurves from Misaligned Structured Jets
    Beniamini, P., Granot, J., & Gill, R. 2020, MNRAS, 493, 3521
  37. Constraining the magnetic field structure in  collisionless relativistic shocks with a radio afterglow polarization  upper limit in GW170817
    Gill, R. and Granot, J. 2020, MNRAS, 491, 5815
  38. Linear polarization in gamma-ray burst prompt emission
    Gill, R., Granot, J., & Kumar, P. 2020, MNRAS, 491, 3343
  39. Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow
    Fermi Collaboration (+ Gill, R. +),  2020, ApJ, 890, 9
  40. Observation of inverse Compton emission from a long gamma-ray burst
    MAGIC Collaboration & Fermi Collaboration (+ Gill, R. +),  2019, Nature, 575, 459
  41. ALMA Detection of a Linearly Polarized Reverse Shock in GRB 190114C
    Laskar, T., Alexander, K. D., Gill, R. et al. 2019, ApJL, 878, L26
  42. Numerical Simulations of an Initially Top-Hat Jet and the Afterglow of GW170817/GRB170817A
    Gill, R., Granot, J., De Colle, F., & Urrutia, G. 2019, ApJ, 883, 15
  43. When Did the Remnant of GW170817 Collapse to a Black Hole?
    Gill, R., Nathanail, A., & Rezzolla, L. 2019, ApJ, 876, 139
  44. Observatory science with eXTP
    eXTP Collaboration, 2019, SCPMA, 62, 42
  45. Off-Axis Emission of Short GRB Jets from Double Neutron Star Mergers and GRB 170817A
    Granot, J., Gill, R., Guetta, D., & De Colle, F. 2018, MNRAS, 481, 1597
  46. The Bright and the Slow -- GRBs 100724B & 160509A with High-energy Cutoffs at < 100 MeV
    Vianello, G., Gill, R., Granot, J., Omodei, N., Cohen-Tanugi, J., & Longo, F. 2018, ApJ, 864, 163
  47. Afterglow Imaging and Polarization of Misaligned Structured GRB Jets and Cocoons: Breaking the Degeneracy in GRB 170817A
    Gill, R. & Granot, J. 2018, MNRAS, 478, 4128
  48. The Effect of Pair Cascades on the High-Energy Spectral Cutoff in Gamma-Ray Bursts
    Gill, R. & Granot, J. 2018, MNRAS Letters, 475, 1
  49. 2D Relativistic MHD Simulations of the Kruskal-Schwarzschild Instability in a Relativistic Striped Wind
    Gill, R., Granot, J., & Lyubarsky, Y. 2018, MNRAS, 474, 3535
  50. Fermi-LAT Observations of LIGO / Virgo Event GW170817
    Fermi Collaboration (+ Gill, R. +), 2018, ApJ, 861, 85
  51. Lessons from the short GRB170817A -- the First Gravitational Wave Detection of a Binary Neutron Star Merger
    Granot, J., Guetta, D., & Gill, R. 2017, ApJL, 850, 24
  52. X-ray and radio observations of the magnetar SGR J1935+2154 during its 2014, 2015, and 2016 outbursts
    Younes, G. et al. (+ Gill, R. +), 2017, ApJ, 847, 15
  53. Burst and Outburst Characteristics of Magnetar 4U 0142+61
    Gogus, E., Lin, L., Roberts, O. J., Chakraborty, M., Kaneko, Y., Gill, R.,  Granot, J., van der Horst, A. J., Watts, A. L., Baring, M.,  Kouveliotou, C., Huppenkothen, D., & Younes, G., 2017, ApJ, 835, 68
  54. Learning About the Magnetar Swift J1834.9-0846 from its Wind Nebula
    Granot, J., Gill, R., Younes, G., Gelfand, J., Harding, A., Kouveliotou, C., & Baring, M. G., 2017, MNRAS, 464, 4895
  55. Searching  the Gamma-ray Sky for Counterparts to Gravitational Wave Sources: Fermi  GBM and LAT Observations of LVT151012 and GW151226
    Fermi-Collaboration (+ Gill, R. +), 2017, ApJ, 835, 82
  56. A Unified Model for GRB Prompt Emission from Optical to Gamma-Rays; a New Type of Standard Candle
    Guiriec, S., Kouveliotou, C., Hartmann, D. H., Granot, J., Asano, K., Meszaros, P., Gill, R., Gehrels, N., & McEnery, J., 2016, ApJL, 831, 8
  57. The wind nebula around magnetar Swift J1834.9-0846
    Younes, G., Kouveliotou, C., Kargaltsev, O., Gill, R.,  Granot, J., Watts, A. L., Gelfand, J., Baring, M. G., Harding, A.,  Pavlov, G. G., van der Horst, A. J., Huppenkothen, D., Göğüş, E., Lin,  L., & Roberts, O. J., 2016, ApJ, 824, 138
  58. Pulse Structure of Hot Electromagnetic Outflows with Embedded Baryons
    Thompson, C., & Gill, R. 2014, ArXiv:1406.5239
  59. Non-thermal Gamma-ray Emission from Delayed Pair Breakdown in a Magnetized and Photon-rich Outflow
    Gill, R., & Thompson, C. 2014, ApJ, 796, 81
  60. Hot Electromagnetic Outflows. III. Displaced Fireball in a Strong Magnetic Field
    Thompson, C., & Gill, R. 2014, ApJ, 791, 30
  61. Statistical ages and the cooling rate of X-ray dim isolated neutron stars
    Gill, R., & Heyl, J. 2013, MNRAS, 435, 3243
  62. Constraining the photon-axion coupling constant with magnetic white dwarfs
    Gill, R., & Heyl, J. 2011, PRD, 84, 085001
  63. Cosmic Rays from Pulsars and Magnetars
    Heyl, J., Gill, R., & Hernquist, L. 2010, MNRAS, 406, L25
  64. On the trigger mechanisms for SGR giant flares
    Gill, R., & Heyl, J. 2010, MNRAS, 407, 1926
  65. Dispersion Relations for Bernstein Waves in a Relativistic Pair Plasma
    Gill, R., & Heyl, J. 2009, PRE, 80, 036407
  66. The Birthrate of Magnetars
    Gill, R., & Heyl, J. 2007, MNRAS, 381, 52

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