TANMOY LASKAR portrait
  • Assistant Professor, Physics And Astronomy
801-581-7983

Publications

  • Rouco Escorial A., Fong W., Berger E., Laskar T., Margutti R., Schroeder G., Rastinejad J.C., Cornish D., Popp S., Lally M., Nugent A.E., Paterson K., Metzger B.D., Chornock R., Alexander K., Cendes Y. & Eftekhari T. (2023). The Jet Opening Angle and Event Rate Distributions of Short Gamma-Ray Bursts from Late-time X-Ray Afterglows. Vol. 959. Astrophysical Journal. Published, 12/01/2023.
  • Jacobson-Galán W.V., Dessart L., Margutti R., Chornock R., Foley R.J., Kilpatrick C.D., Jones D.O., Taggart K., Angus C.R., Bhattacharjee S., Braff L.A., Brethauer D., Burgasser A.J., Cao F., Carlile C.M., Chambers K.C., Coulter D.A., Dominguez-Ruiz E., Dickinson C.B., de Boer T., Gagliano A., Gall C., Gao H., Gates E.L., Gomez S., Guolo M., Halford M.R.J., Hjorth J., Huber M.E., Johnson M.N., Karpoor P.R., Laskar T., LeBaron N., Li Z., Lin Y., Loch S.D., Lynam P.D., Magnier E.A., Maloney P., Matthews D.J., McDonald M., Miao H.Y., Milisavljevic D., Pan Y.C., Pradyumna S., Ransome C.L., Rees J.M., Rest A., Rojas-Bravo C., Sandford N.R., Ascencio L.S., Sanjaripour S., Savino A., Sears H., Sharei N., Smartt S.J., Softich E.R., Theissen C.A., Tinyanont S., Tohfa H., Villar V.A., Wang Q., Wainscoat R.J., Westerling A.L., Wiston E., Wozniak M.A., Yadavalli S.K. & Zenati Y. (2023). SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova. Vol. 954. Astrophysical Journal Letters. Published, 09/01/2023.
  • De Wet S., Izzo L., Groot P.J., Bisero S., D' Elia V., De Pasquale M., Hartmann D.H., Heintz K.E., Jakobsson P., Laskar T., Levan A., Martin-Carrillo A., Melandri A., Nicuesa Guelbenzu A., Pugliese G., Rossi A., Saccardi A., Savaglio S., Schady P., Tanvir N.R., Van Eerten H. & Vergani S.D. (2023). The ultra-long GRB 220627A at z = 3.08. Vol. 677. Astronomy and Astrophysics. Published, 09/01/2023.
  • Margutti R., Bright J.S., Matthews D.J., Coppejans D.L., Alexander K.D., Berger E., Bietenholz M., Chornock R., DeMarchi L., Drout M.R., Eftekhari T., Jacobson-Galán W.V., Laskar T., Milisavljevic D., Murase K., Nicholl M., Omand C.M.B., Stroh M., Terreran G. & VanderLey B.A. (2023). Luminous Radio Emission from the Superluminous Supernova 2017ens at 3.3 yr after Explosion. Vol. 954. Astrophysical Journal Letters. Published, 09/01/2023.
  • Goodwin A.J., Alexander K.D., Miller-Jones J.C.A., Bietenholz M.F., van Velzen S., Anderson G.E., Berger E., Cendes Y., Chornock R., Coppejans D.L., Eftekhari T., Gezari S., Laskar T., Ramirez-Ruiz E. & Saxton R. (2023). A radio-emitting outflow produced by the tidal disruption event AT2020vwl. (pp. 5084-5097). Vol. 522. Monthly Notices of the Royal Astronomical Society. Published, 07/01/2023.
  • Berger E., Keating G.K., Margutti R., Maeda K., Alexander K.D., Cendes Y., Eftekhari T., Gurwell M., Hiramatsu D., Ho A.Y.Q., Laskar T., Rao R. & Williams P.K.G. (2023). Millimeter Observations of the Type II SN 2023ixf: Constraints on the Proximate Circumstellar Medium. Vol. 951. Astrophysical Journal Letters. Published, 07/01/2023.
  • Laskar T., Alexander K.D., Margutti R., Eftekhari T., Chornock R., Berger E., Cendes Y., Duerr A., Perley D.A., Ravasio M.E., Yamazaki R., Ayache E.H., Barclay T., Duran R.B., Bhandari S., Brethauer D., Christy C.T., Coppejans D.L., Duffell P., Fong W.F., Gomboc A., Guidorzi C., Kennea J.A., Kobayashi S., Levan A., Lobanov A.P., Metzger B.D., Ros E., Schroeder G. & Williams P.K.G. (2023). The Radio to GeV Afterglow of GRB 221009A. Vol. 946. Astrophysical Journal Letters. Published, 03/01/2023.
  • Levan A.J., Lamb G.P., Schneider B., Hjorth J., Zafar T., de Ugarte Postigo A., Sargent B., Mullally S.E., Izzo L., D’Avanzo P., Burns E., Fernández J.F.A., Barclay T., Bernardini M.G., Bhirombhakdi K., Bremer M., Brivio R., Campana S., Chrimes A.A., D’Elia V., Valle M.D., De Pasquale M., Ferro M., Fong W., Fruchter A.S., Fynbo J.P.U., Gaspari N., Gompertz B.P., Hartmann D.H., Hedges C.L., Heintz K.E., Hotokezaka K., Jakobsson P., Kann D.A., Kennea J.A., Laskar T., Le Floc’h E., Malesani D.B., Melandri A., Metzger B.D., Oates S.R., Pian E., Piranomonte S., Pugliese G., Racusin J.L., Rastinejad J.C., Ravasio M.E., Rossi A., Saccardi A., Salvaterra R., Sbarufatti B., Starling R.L.C., Tanvir N.R., Thöne C.C., van der Horst A.J., Vergani S.D., Watson D., Wiersema K., Wijers R.A.M.J. & Xu D. (2023). The First JWST Spectrum of a GRB Afterglow: No Bright Supernova in Observations of the Brightest GRB of all Time, GRB 221009A. Vol. 946. Astrophysical Journal Letters. Published, 03/01/2023.
  • de Wet S., Laskar T., Groot P.J., Cavallaro F., Nicuesa Guelbenzu A., Chastain S., Izzo L., Levan A., Malesani D.B., Monageng I.M., van der Horst A.J., Zheng W., Bloemen S., Filippenko A.V., Kann D.A., Klose S., Pieterse D.L.A., Rau A., Vreeswijk P.M., Woudt P. & Zhu Z.P. (2023). The triple-peaked afterglow of GRB 210731A from X-ray to radio frequencies. Vol. 671. Astronomy and Astrophysics. Published, 03/01/2023.
  • Pasham D.R., Lucchini M., Laskar T., Gompertz B.P., Srivastav S., Nicholl M., Smartt S.J., Miller-Jones J.C.A., Alexander K.D., Fender R., Smith G.P., Fulton M., Dewangan G., Gendreau K., Coughlin E.R., Rhodes L., Horesh A., van Velzen S., Sfaradi I., Guolo M., Castro Segura N., Aamer A., Anderson J.P., Arcavi I., Brennan S.J., Chambers K., Charalampopoulos P., Chen T.W., Clocchiatti A., de Boer T., Dennefeld M., Ferrara E., Galbany L., Gao H., Gillanders J.H., Goodwin A., Gromadzki M., Huber M., Jonker P.G., Joshi M., Kara E., Killestein T.L., Kosec P., Kocevski D., Leloudas G., Lin C.C., Margutti R., Mattila S., Moore T., Müller-Bravo T., Ngeow C.C., Oates S., Onori F., Pan Y.C., Perez-Torres M., Rani P., Remillard R., Ridley E.J., Schulze S., Sheng X., Shingles L., Smith K.W., Steiner J.F., Wainscoat R., Wevers T. & Yang S. (2023). The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole. (pp. 88-104). Vol. 7. Nature Astronomy. Published, 01/01/2023.
  • Levan A.J., Gompertz B.P., Salafia O.S., Bulla M., Burns E., Hotokezaka K., Izzo L., Lamb G.P., Malesani D.B., Oates S.R., Ravasio M.E., Rouco Escorial A., Schneider B., Sarin N., Schulze S., Tanvir N.R., Ackley K., Anderson G., Brammer G.B., Christensen L., Dhillon V.S., Evans P.A., Fausnaugh M., Fong W.f., Fruchter A.S., Fryer C., Fynbo J.P.U., Gaspari N., Heintz K.E., Hjorth J., Kennea J.A., Kennedy M.R., Laskar T., Leloudas G., Mandel I., Martin-Carrillo A., Metzger B.D., Nicholl M., Nugent A., Palmerio J.T., Pugliese G., Rastinejad J., Rhodes L., Rossi A., Saccardi A., Smartt S.J., Stevance H.F., Tohuvavohu A., van der Horst A., Vergani S.D., Watson D., Barclay T., Bhirombhakdi K., Breedt E., Breeveld A.A., Brown A.J., Campana S., Chrimes A.A., D’Avanzo P., D’Elia V., De Pasquale M., Dyer M.J., Galloway D.K., Garbutt J.A., Green M.J., Hartmann D.H., Jakobsson P., Kerry P., Kouveliotou C., Langeroodi D., Le Floc’h E., Leung J.K., Littlefair S.P., Munday J., O’Brien P., Parsons S.G., Pelisoli I., Sahman D.I., Salvaterra R., Sbarufatti B., Steeghs D., Tagliaferri G., Thöne C.C., de Ugarte Postigo A. & Kann D.A. (2023). Heavy-element production in a compact object merger observed by JWST. Nature. Published, 01/01/2023.
  • Ayache E. & Laskar T. (2023). Classifying Gamma-Ray Burst X-Ray Afterglows with a Variational Autoencoder. Astrophysics and Space Science Proceedings. Vol. 60, 81-85. Published, 01/01/2023.
  • Rastinejad J.C., Gompertz B.P., Levan A.J., Fong W.f., Nicholl M., Lamb G.P., Malesani D.B., Nugent A.E., Oates S.R., Tanvir N.R., de Ugarte Postigo A., Kilpatrick C.D., Moore C.J., Metzger B.D., Ravasio M.E., Rossi A., Schroeder G., Jencson J., Sand D.J., Smith N., Fernández J.F.A., Berger E., Blanchard P.K., Chornock R., Cobb B.E., De Pasquale M., Fynbo J.P.U., Izzo L., Kann D.A., Laskar T., Marini E., Paterson K., Escorial A.R., Sears H.M. & Thöne C.C. (2022). A kilonova following a long-duration gamma-ray burst at 350 Mpc. (pp. 223-227). Vol. 612. Nature. Published, 12/08/2022.
  • Schroeder G., Laskar T., Fong W.F., Nugent A.E., Berger E., Chornock R., Alexander K.D., Andrews J., Bussmann R.S., Castro-Tirado A.J., Goyal A.V., Kilpatrick C.D., Lally M., Miller A.A., Milne P., Paterson K., Escorial A.R., Stroh M.C., Terreran G. & Zauderer B.A. (2022). A Radio-selected Population of Dark, Long Gamma-Ray Bursts: Comparison to the Long Gamma-Ray Burst Population and Implications for Host Dust Distributions. Vol. 940. Astrophysical Journal. Published, 11/01/2022.
  • Cendes Y., Berger E., Alexander K.D., Gomez S., Hajela A., Chornock R., Laskar T., Margutti R., Metzger B., Bietenholz M.F., Brethauer D. & Wieringa M.H. (2022). A Mildly Relativistic Outflow Launched Two Years after Disruption in Tidal Disruption Event AT2018hyz. Vol. 938. Astrophysical Journal. Published, 10/01/2022.
  • Chrimes A.A., Gompertz B.P., Kann D.A., Van Marle A.J., Eldridge J.J., Groot P.J., Laskar T., Levan A.J., Nicholl M., Stanway E.R. & Wiersema K. (2022). Towards an understanding of long gamma-ray burst environments through circumstellar medium population synthesis predictions. (pp. 2591-2611). Vol. 515. Monthly Notices of the Royal Astronomical Society. Published, 09/01/2022.
  • Laskar T., Escorial A.R., Schroeder G., Fong W.F., Berger E., Veres P., Bhandari S., Rastinejad J., Kilpatrick C.D., Tohuvavohu A., Margutti R., Alexander K.D., DeLaunay J., Kennea J.A., Nugent A., Paterson K. & Williams P.K.G. (2022). The First Short GRB Millimeter Afterglow: The Wide-angled Jet of the Extremely Energetic SGRB 211106A. Vol. 935. Astrophysical Journal Letters. Published, 08/01/2022.
  • Eftekhari T., Berger E., Metzger B.D., Laskar T., Villar V.A., Alexander K.D., Holder G.P., Vieira J.D., Whitehorn N. & Williams P.K.G. (2022). Extragalactic Millimeter Transients in the Era of Next-generation CMB Surveys. Vol. 935. Astrophysical Journal. Published, 08/01/2022.
  • Hajela A., Margutti R., Bright J.S., Alexander K.D., Metzger B.D., Nedora V., Kathirgamaraju A., Margalit B., Radice D., Guidorzi C., Berger E., MacFadyen A., Giannios D., Chornock R., Heywood I., Sironi L., Gottlieb O., Coppejans D., Laskar T., Cendes Y., Duran R.B., Eftekhari T., Fong W., McDowell A., Nicholl M., Xie X., Zrake J., Bernuzzi S., Broekgaarden F.S., Kilpatrick C.D., Terreran G., Villar V.A., Blanchard P.K., Gomez S., Hosseinzadeh G., Matthews D.J. & Rastinejad J.C. (2022). Evidence for X-Ray Emission in Excess to the Jet-afterglow Decay 3.5 yr after the Binary Neutron Star Merger GW 170817: A New Emission Component. Vol. 927. Astrophysical Journal Letters. Published, 03/01/2022.
  • Bright J.S., Margutti R., Matthews D., Brethauer D., Coppejans D., Wieringa M.H., Metzger B.D., Demarchi L., Laskar T., Romero C., Alexander K.D., Horesh A., Migliori G., Chornock R., Berger E., Bietenholz M., Devlin M.J., Dicker S.R., Jacobson-Galán W.V., Mason B.S., Milisavljevic D., Motta S.E., Mroczkowski T., Ramirez-Ruiz E., Rhodes L., Sarazin C.L., Sfaradi I. & Sievers J. (2022). Radio and X-Ray Observations of the Luminous Fast Blue Optical Transient at 2020xnd. Vol. 926. Astrophysical Journal. Published, 02/01/2022.
  • Andreoni I., Margutti R., Salafia O.S., Parazin B., Villar V.A., Coughlin M.W., Yoachim P., Mortensen K., Brethauer D., Smartt S.J., Kasliwal M.M., Alexander K.D., Anand S., Berger E., Bernardini M.G., Bianco F.B., Blanchard P.K., Bloom J.S., Brocato E., Bulla M., Cartier R., Cenko S.B., Chornock R., Copperwheat C.M., Corsi A., D’Ammando F., D’Avanzo P., Datrier L.É.H., Foley R.J., Ghirlanda G., Goobar A., Grindlay J., Hajela A., Holz D.E., Karambelkar V., Kool E.C., Lamb G.P., Laskar T., Levan A., Maguire K., May M., Melandri A., Milisavljevic D., Miller A.A., Nicholl M., Nissanke S.M., Palmese A., Piranomonte S., Rest A., Sagués-Carracedo A., Siellez K., Singer L.P., Smith M., Steeghs D. & Tanvir N. (2022). Target-of-opportunity Observations of Gravitational-wave Events with Vera C. Rubin Observatory. Vol. 260. Astrophysical Journal, Supplement Series. Published, 01/01/2022.
  • Alexander K.D., Schroeder G., Paterson K., Fong W., Cowperthwaite P., Gomez S., Margalit B., Margutti R., Berger E., Blanchard P., Chornock R., Eftekhari T., Laskar T., Metzger B.D., Nicholl M., Villar V.A. & Williams P.K.G. (2021). A Late-time Galaxy-targeted Search for the Radio Counterpart of GW190814. Vol. 923. Astrophysical Journal. Published, 12/10/2021.
  • Heintz K.E., Björnsson G., Neeleman M., Christensen L., Fynbo J.P.U., Jakobsson P., Krogager J.K., Laskar T., Ledoux C., Magdis G., Møller P., Noterdaeme P., Schady P., De Ugarte Postigo A., Valentino F. & Watson D. (2021). GRB host galaxies with strong H2absorption: CO-dark molecular gas at the peak of cosmic star formation. (pp. 1434-1440). Vol. 507. Monthly Notices of the Royal Astronomical Society. Published, 10/01/2021.
  • Rastinejad J.C., Fong W., Kilpatrick C.D., Paterson K., Tanvir N.R., Levan A.J., Metzger B.D., Berger E., Chornock R., Cobb B.E., Laskar T., Milne P., Nugent A.E. & Smith N. (2021). Probing Kilonova Ejecta Properties Using a Catalog of Short Gamma-Ray Burst Observations. Vol. 916. Astrophysical Journal. Published, 08/01/2021.
  • Rouco Escorial A., Fong W., Veres P., Laskar T., Lien A., Paterson K., Lally M., Blanchard P.K., Nugent A.E., Tanvir N.R., Cornish D., Berger E., Burns E., Cenko S.B., Cobb B.E., Cucchiara A., Goldstein A., Margutti R., Metzger B.D., Milne P., Levan A., Nicholl M. & Smith N. (2021). GRB 180418A: A Possibly Short Gamma-Ray Burst with a Wide-angle Outflow in a Faint Host Galaxy. Vol. 912. Astrophysical Journal. Published, 05/10/2021.
  • Fong W., Laskar T., Rastinejad J., Rouco Escorial A., Schroeder G., Barnes J., Kilpatrick C.D., Paterson K., Berger E., Metzger B.D., Dong Y., Nugent A.E., Strausbaugh R., Blanchard P.K., Goyal A., Cucchiara A., Terreran G., Alexander K.D., Eftekhari T., Fryer C., Margalit B., Margutti R. & Nicholl M. (2021). The broadband counterpart of the short GRB 200522A at z = 0.5536: A luminous kilonova or a collimated outflow with a reverse shock?. Vol. 906. Astrophysical Journal. Published, 01/10/2021.
  • Fraija N., Laskar T., Dichiara S., Beniamini P., Duran R.B., Dainotti M.G. & Becerra R.L. (2020). GRB Fermi-LAT Afterglows: Explaining Flares, Breaks, and Energetic Photons. Vol. 905. Astrophysical Journal. Published, 12/20/2020.
  • Schroeder G., Margalit B., Fong W.F., Metzger B.D., Williams P.K.G., Paterson K., Alexander K.D., Laskar T., Goyal A.V. & Berger E. (2020). A late-time radio survey of short gamma-ray bursts at z < 0.5: New constraints on the remnants of neutron-star mergers. Vol. 902. Astrophysical Journal. Published, 10/10/2020.
  • Gomez S., Nicholl M., Short P., Margutti R., Alexander K.D., Blanchard P.K., Berger E., Eftekhari T., Schulze S., Anderson J., Arcavi I., Chornock R., Cowperthwaite P.S., Galbany L., Herzog L.J., Hiramatsu D., Hosseinzadeh G., Laskar T., Müller Bravo T.E., Patton L. & Terreran G. (2020). The Tidal Disruption Event at 2018hyz II: Light-curve modelling of a partially disrupted star. (pp. 1925-1934). Vol. 497. Monthly Notices of the Royal Astronomical Society. Published, 09/01/2020.
  • Vielfaure J.B., Vergani S.D., Japelj J., Fynbo J.P.U., Gronke M., Heintz K.E., Malesani D.B., Petitjean P., Tanvir N.R., D'Elia V., Kann D.A., Palmerio J.T., Salvaterra R., Wiersema K., Arabsalmani M., Campana S., Covino S., De Pasquale M., De Ugarte Postigo A., Hammer F., Hartmann D.H., Jakobsson P., Kouveliotou C., Laskar T., Levan A.J. & Rossi A. (2020). Lyman continuum leakage in faint star-forming galaxies at redshift z = 3-3.5 probed by gamma-ray bursts. Vol. 641. Astronomy and Astrophysics. Published, 09/01/2020.
  • Paterson K., Fong W., Nugent A., Escorial A.R., Leja J., Laskar T., Chornock R., Miller A.A., Scharw chter J., Cenko S.B., Perley D., Tanvir N.R., Levan A., Cucchiara A., Cobb B.E., De K., Berger E., Terreran G., Alexander K.D., Nicholl M., Blanchard P.K. & Cornish D. (2020). Discovery of the Optical Afterglow and Host Galaxy of Short GRB 181123B at z = 1.754: Implications for Delay Time Distributions. Vol. 898. Astrophysical Journal Letters. Published, 08/01/2020.
  • Marongiu M., Pellizzoni A., Egron E., Laskar T., Giroletti M., Loru S., Melis A., Carboni G., Guidorzi C., Kobayashi S., Jordana-Mitjans N., Rossi A., Mundell C.G., Concu R., Martone R. & Nicastro L. (2020). Methods for detection and analysis of weak radio sources with single-dish radio telescopes. (pp. 159-182). Vol. 49. Experimental Astronomy. Published, 06/01/2020.
  • Coppejans D.L., Margutti R., Terreran G., Nayana A.J., Coughlin E.R., Laskar T., Alexander K.D., Bietenholz M., Caprioli D., Chandra P., Drout M.R., Frederiks D., Frohmaier C., Hurley K.H., Kochanek C.S., MacLeod M., Meisner A., Nugent P.E., Ridnaia A., Sand D.J., Svinkin D., Ward C., Yang S., Baldeschi A., Chilingarian I.V., Dong Y., Esquivia C., Fong W., Guidorzi C., Lundqvist P., Milisavljevic D., Paterson K., Reichart D.E., Shappee B., Stroh M.C., Valenti S., Zauderer B.A. & Zhang B. (2020). A Mildly Relativistic Outflow from the Energetic, Fast-rising Blue Optical Transient CSS161010 in a Dwarf Galaxy. Vol. 895. Astrophysical Journal Letters. Published, 05/20/2020.
  • Laskar T., Hull C.L.H. & Cortes P. (2020). Radio Linear Polarization of GRB Afterglows: Instrumental Systematics in ALMA Observations of GRB 171205A. Vol. 895. Astrophysical Journal. Published, 05/20/2020.
  • Hajela A., Margutti R., Alexander K.D., Kathirgamaraju A., Baldeschi A., Guidorzi C., Giannios D., Fong W., Wu Y., Macfadyen A., Paggi A., Berger E., Blanchard P.K., Chornock R., Coppejans D.L., Cowperthwaite P.S., Eftekhari T., Gomez S., Hosseinzadeh G., Laskar T., Metzger B.D., Nicholl M., Paterson K., Radice D., Sironi L., Terreran G., Villar V.A., Williams P.K.G., Xie X. & Zrake J. (2019). Two Years of Nonthermal Emission from the Binary Neutron Star Merger GW170817: Rapid Fading of the Jet Afterglow and First Constraints on the Kilonova Fastest Ejecta. Vol. 886. Astrophysical Journal Letters. Published, 11/20/2019.
  • Laskar T., Eerten H.V., Schady P., Mundell C.G., Alexander K.D., Duran R.B., Berger E., Bolmer J., Chornock R., Coppejans D.L., Fong W.F., Gomboc A., Jordana-Mitjans N., Kobayashi S., Margutti R., Menten K.M., Sari R., Yamazaki R., Lipunov V.M., Gorbovskoy E., Kornilov V.G., Tyurina N., Zimnukhov D., Podesta R., Levato H., Buckley D.A.H., Tlatov A., Rebolo R. & Serra-Ricart M. (2019). A Reverse Shock in GRB 181201A. Vol. 884. Astrophysical Journal. Published, 10/20/2019.
  • Fong W., Blanchard P.K., Alexander K.D., Strader J., Margutti R., Hajela A., Villar V.A., Wu Y., Ye C.S., Berger E., Chornock R., Coppejans D., Cowperthwaite P.S., Eftekhari T., Giannios D., Guidorzi C., Kathirgamaraju A., Laskar T., Macfadyen A., Metzger B.D., Nicholl M., Paterson K., Terreran G., Sand D.J., Sironi L., Williams P.K.G., Xie X. & Zrake J. (2019). The Optical Afterglow of GW170817: An Off-axis Structured Jet and Deep Constraints on a Globular Cluster Origin. Vol. 883. Astrophysical Journal Letters. Published, 09/20/2019.
  • Martone R., Guidorzi C., Mundell C.G., Kobayashi S., Cucchiara A., Gomboc A., Jordana N., Laskar T., Marongiu M., Morris D.C., Smith R.J. & Steele I.A. (2019). A robotic pipeline for fast GRB followup with the Las Cumbrés observatory network. (pp. 25-48). Vol. 48. Experimental Astronomy. Published, 08/15/2019.
  • Hosseinzadeh G., Cowperthwaite P.S., Gomez S., Villar V.A., Nicholl M., Margutti R., Berger E., Chornock R., Paterson K., Fong W., Savchenko V., Short P., Alexander K.D., Blanchard P.K., Braga J., Calkins M.L., Cartier R., Coppejans D.L., Eftekhari T., Laskar T., Ly C., Patton L., Pelisoli I., Reichart D.E., Terreran G. & Williams P.K.G. (2019). Follow-up of the Neutron Star Bearing Gravitational-wave Candidate Events S190425z and S190426c with MMT and SOAR. Vol. 880. Astrophysical Journal Letters. Published, 07/20/2019.
  • Laskar T., Alexander K.D., Gill R., Granot J., Berger E., Mundell C.G., Duran R.B., Bolmer J., Duffell P., Eerten H.V., Fong W.F., Kobayashi S., Margutti R. & Schady P. (2019). ALMA Detection of a Linearly Polarized Reverse Shock in GRB 190114C. Vol. 878. Astrophysical Journal Letters. Published, 06/10/2019.
  • Tanvir N.R., Fynbo J.P.U., De Ugarte Postigo A., Japelj J., Wiersema K., Malesani D., Perley D.A., Levan A.J., Selsing J., Cenko S.B., Kann D.A., Milvang-Jensen B., Berger E., Cano Z., Chornock R., Covino S., Cucchiara A., D'Elia V., Gargiulo A., Goldoni P., Gomboc A., Heintz K.E., Hjorth J., Izzo L., Jakobsson P., Kaper L., Krühler T., Laskar T., Myers M., Piranomonte S., Pugliese G., Rossi A., Sánchez-Ramírez R., Schulze S., Sparre M., Stanway E.R., Tagliaferri G., Thöne C.C., Vergani S., Vreeswijk P.M., Wijers R.A.M.J., Watson D. & Xu D. (2019). The fraction of ionizing radiation from massive stars that escapes to the intergalactic medium. (pp. 5380-5408). Vol. 483. Monthly Notices of the Royal Astronomical Society. Published, 03/11/2019.
  • Margutti R., Metzger B.D., Chornock R., Vurm I., Roth N., Grefenstette B.W., Savchenko V., Cartier R., Steiner J.F., Terreran G., Margalit B., Migliori G., Milisavljevic D., Alexander K.D., Bietenholz M., Blanchard P.K., Bozzo E., Brethauer D., Chilingarian I.V., Coppejans D.L., Ducci L., Ferrigno C., Fong W., Götz D., Guidorzi C., Hajela A., Hurley K., Kuulkers E., Laurent P., Mereghetti S., Nicholl M., Patnaude D., Ubertini P., Banovetz J., Bartel N., Berger E., Coughlin E.R., Eftekhari T., Frederiks D.D., Kozlova A.V., Laskar T., Svinkin D.S., Drout M.R., MacFadyen A. & Paterson K. (2019). An Embedded X-Ray Source Shines through the Aspherical at 2018cow: Revealing the Inner Workings of the Most Luminous Fast-evolving Optical Transients. Vol. 872. Astrophysical Journal. Published, 02/10/2019.
  • Alexander K.D., Laskar T., Berger E., Johnson M.D., Williams P.K.G., Dichiara S., Fong W., Gomboc A., Kobayashi S., Margutti R. & Mundell C.G. (2019). An Unexpectedly Small Emission Region Size Inferred from Strong High-frequency Diffractive Scintillation in GRB 161219B. Vol. 870. Astrophysical Journal. Published, 01/10/2019.
  • Tanvir N.R., Laskar T., Levan A.J., Perley D.A., Zabl J., Fynbo J.P.U., Rhoads J., Cenko S.B., Greiner J., Wiersema K., Hjorth J., Cucchiara A., Berger E., Bremer M.N., Cano Z., Cobb B.E., Covino S., D'Elia V., Fong W., Fruchter A.S., Goldoni P., Hammer F., Heintz K.E., Jakobsson P., Kann D.A., Kaper L., Klose S., Knust F., Krühler T., Malesani D., Misra K., Guelbenzu A.N., Pugliese G., Sánchez-Ramírez R., Schulze S., Stanway E.R., Ugarte Postigo A.D., Watson D., Wijers R.A.M.J. & Xu D. (2018). The Properties of GRB 120923A at a Spectroscopic Redshift of z ≈ 7.8. Vol. 865. Astrophysical Journal. Published, 10/01/2018.
  • Duffell P. & Laskar T. (2018). On the Deceleration and Spreading of Relativistic Jets. I. Jet Dynamics. Vol. 865. Astrophysical Journal. Published, 10/01/2018.
  • Laskar T., Alexander K.D., Berger E., Guidorzi C., Margutti R., Fong W.F., Kilpatrick C.D., Milne P., Drout M.R., Mundell C.G., Kobayashi S., Lunnan R., Duran R.B., Menten K.M., Ioka K. & Williams P.K.G. (2018). First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B. Vol. 862. Astrophysical Journal. Published, 08/01/2018.
  • Laskar T., Berger E., Margutti R., Zauderer B.A., Williams P.K.G., Fong W.F., Sari R., Alexander K.D. & Kamble A. (2018). A VLA Study of High-redshift GRBs. II. the Complex Radio Afterglow of GRB 140304A: Shell Collisions and Two Reverse Shocks. Vol. 859. Astrophysical Journal. Published, 06/01/2018.
  • Laskar T., Berger E., Chornock R., Margutti R., Fong W.F. & Zauderer B.A. (2018). A VLA Study of High-redshift GRBs. I. Multiwavelength Observations and Modeling of GRB 140311A. Vol. 858. Astrophysical Journal. Published, 05/01/2018.
  • Lunnan R., Chornock R., Berger E., Jones D.O., Rest A., Czekala I., Dittmann J., Drout M.R., Foley R.J., Fong W., Kirshner R.P., Laskar T., Leibler C.N., Margutti R., Milisavljevic D., Narayan G., Pan Y.C., Riess A.G., Roth K.C., Sanders N.E., Scolnic D., Smartt S.J., Smith K.W., Chambers K.C., Draper P.W., Flewelling H., Huber M.E., Kaiser N., Kudritzki R.P., Magnier E.A., Metcalfe N., Wainscoat R.J., Waters C. & Willman M. (2018). Hydrogen-poor Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey. Vol. 852. Astrophysical Journal. Published, 01/10/2018.
  • Warren D.C., Barkov M.V., Ito H., Nagataki S. & Laskar T. (2018). Synchrotron self-absorption in GRB afterglows: The effects of a thermal electron population. (pp. 4060-4068). Vol. 480. Monthly Notices of the Royal Astronomical Society. Published, 01/01/2018.
  • Alexander K.D., Laskar T., Berger E., Guidorzi C., Dichiara S., Fong W., Gomboc A., Kobayashi S., Kopac D., Mundell C.G., Tanvir N.R. & Williams P.K.G. (2017). A Reverse Shock and Unusual Radio Properties in GRB 160625B. Vol. 848. Astrophysical Journal. Published, 10/10/2017.
  • Ressler S. & Laskar T. (2017). Thermal Electrons in Gamma-Ray Burst Afterglows. Vol. 845. Astrophysical Journal. Published, 08/20/2017.
  • Fong W., Margutti R., Chornock R., Berger E., Shappee B.J., Levan A.J., Tanvir N.R., Smith N., Milne P.A., Laskar T., Fox D.B., Lunnan R., Blanchard P.K., Hjorth J., Wiersema K., Van Der Horst A.J. & Zaritsky D. (2016). THE AFTERGLOW and EARLY-TYPE HOST GALAXY of the SHORT GRB 150101B at z = 0.1343. Vol. 833. Astrophysical Journal. Published, 12/20/2016.
  • Laskar T., Alexander K.D., Berger E., Fong W.F., Margutti R., Shivvers I., Williams P.K.G., Kopač D., Kobayashi S., Mundell C., Gomboc A., Zheng W., Menten K.M., Graham M.L. & Filippenko A.V. (2016). A REVERSE SHOCK in GRB 160509A. Vol. 833. Astrophysical Journal. Published, 12/10/2016.
  • Villar V.A., Berger E., Chornock R., Margutti R., Laskar T., Brown P.J., Blanchard P.K., Czekala I., Lunnan R. & Reynolds M.T. (2016). THE INTERMEDIATE LUMINOSITY OPTICAL TRANSIENT SN 2010DA: The PROGENITOR, ERUPTION, and AFTERMATH of A PECULIAR SUPERGIANT HIGH-MASS X-RAY BINARY. Vol. 830. Astrophysical Journal. Published, 10/10/2016.
  • Perley D.A., Krühler T., Schulze S., De Ugarte Postigo A., Hjorth J., Berger E., Cenko S.B., Chary R., Cucchiara A., Ellis R., Fong W., Fynbo J.P.U., Gorosabel J., Greiner J., Jakobsson P., Kim S., Laskar T., Levan A.J., Michałowski M.J., Milvang-Jensen B., Tanvir N.R., Thöne C.C. & Wiersema K. (2016). THE SWIFT GAMMA-RAY BURST HOST GALAXY LEGACY SURVEY. I. SAMPLE SELECTION and REDSHIFT DISTRIBUTION. Vol. 817. Astrophysical Journal. Published, 01/20/2016.
  • Perley D.A., Tanvir N.R., Hjorth J., Laskar T., Berger E., Chary R., Postigo A.D.U., Fynbo J.P.U., Krühler T., Levan A.J., Michałowski M.J. & Schulze S. (2016). THE SWIFT GRB HOST GALAXY LEGACY SURVEY. II. REST-FRAME NEAR-IR LUMINOSITY DISTRIBUTION and EVIDENCE for A NEAR-SOLAR METALLICITY THRESHOLD. Vol. 817. Astrophysical Journal. Published, 01/20/2016.
  • Laskar T., Berger E., Margutti R., Perley D., Zauderer B.A., Sari R. & Fong W.F. (2015). Energy injection in gamma-ray burst afterglows. Vol. 814. Astrophysical Journal. Published, 11/20/2015.
  • Margutti R., Guidorzi C., Lazzati D., Milisavljevic D., Kamble A., Laskar T., Parrent J., Gehrels N.C. & Soderberg A.M. (2015). Dust in the wind: The role of recent mass loss in long gamma-ray bursts. Vol. 805. Astrophysical Journal. Published, 06/01/2015.
  • Berger E., Zauderer B., Chary R., Laskar T., Chornock R., Tanvir N., Stanway E., Levan A., Levesque E. & Davies J. (2014). Alma observations of the host galaxy of GRB 090423 at z = 8.23: Deep limits on obscured star formation 630 million years after the big bang. Vol. 796. Astrophysical Journal. Published, 12/01/2014.
  • Lunnan R., Chornock R., Berger E., Laskar T., Fong W., Rest A., Sanders N.E., Challis P.M., Drout M.R., Foley R.J., Huber M.E., Kirshner R.P., Leibler C., Marion G.H., McCrum M., Milisavljevic D., Narayan G., Scolnic D., Smartt S.J., Smith K.W., Soderberg A.M., Tonry J.L., Burgett W.S., Chambers K.C., Flewelling H., Hodapp K.W., Kaiser N., Magnier E.A., Price P.A. & Wainscoat R.J. (2014). Hydrogen-poor superluminous supernovae and long-duration gamma-ray bursts have similar host galaxies. Vol. 787. Astrophysical Journal. Published, 06/01/2014.
  • Laskar T., Berger E., Tanvir N., Zauderer B.A., Margutti R., Levan A., Perley D., Fong W.F., Wiersema K., Menten K. & Hrudkova M. (2014). GRB 120521C at z ∼ 6 and the properties of high-redshift γ-ray bursts. Vol. 781. Astrophysical Journal. Published, 01/20/2014.
  • Fong W., Berger E., Metzger B.D., Margutti R., Chornock R., Migliori G., Foley R.J., Zauderer B.A., Lunnan R., Laskar T., Desch S.J., Meech K.J., Sonnett S., Dickey C., Hedlund A. & Harding P. (2014). Short GRB 130603B: Discovery of a jet break in the optical and radio afterglows, and a mysterious late-time X-ray excess. Vol. 780. Astrophysical Journal. Published, 01/10/2014.
  • Laskar T., Berger E., Zauderer B., Margutti R., Soderberg A., Chakraborti S., Lunnan R., Chornock R., Chandra P. & Ray A. (2013). A reverse shock in GRB 130427A. Vol. 776. Astrophysical Journal. Published, 10/20/2013.
  • Chornock R., Berger E., Fox D.B., Lunnan R., Drout M.R., Fong W.F., Laskar T. & Roth K.C. (2013). GRB 130606A as a probe of the intergalactic medium and the interstellar medium in a star-forming galaxy in the first Gyr after the big bang. Vol. 774. Astrophysical Journal. Published, 09/01/2013.
  • Fong W., Berger E., Chornock R., Margutti R., Levan A.J., Tanvir N.R., Tunnicliffe R.L., Czekala I., Fox D.B., Perley D.A., Cenko S.B., Zauderer B.A., Laskar T., Persson S.E., Monson A.J., Kelson D.D., Birk C., Murphy D., Servillat M. & Anglada G. (2013). Demographics of the galaxies hosting short-duration gamma-ray bursts. Vol. 769. Astrophysical Journal. Published, 05/20/2013.
  • Zauderer B.A., Berger E., Margutti R., Levan A.J., Olivares E. F., Perley D.A., Fong W., Horesh A., Updike A.C., Greiner J., Tanvir N.R., Laskar T., Chornock R., Soderberg A.M., Menten K.M., Nakar E., Carpenter J., Chandra P., Castro-Tirado A.J., Bremer M., Gorosabel J., Guziy S., Pérez-Ramírez D. & Winters J.M. (2013). Illuminating the darkest gamma-ray bursts with radio observations. Vol. 767. Astrophysical Journal. Published, 04/20/2013.
  • Berger E., Zauderer B.A., Levan A., Margutti R., Laskar T., Fong W., Mangano V., Fox D.B., Tunnicliffe R.L., Chornock R., Tanvir N.R., Menten K.M., Hjorth J., Roth K. & Dupuy T.J. (2013). The afterglow and ulirg host galaxy of the dark short GRB 120804A. Vol. 765. Astrophysical Journal. Published, 03/10/2013.
  • Laskar T., Goss W. & Zauderer B. (2012). Intrinsic Sizes of the W3 (OH) Masers via Short Time Scale Variability. (pp. 465-469). Vol. 8, Proceedings of the International Astronomical Union. Published, 07/01/2012.
  • Laskar T., Berger E. & Chary R. (2011). Exploring the galaxy mass-metallicity relation at z ∼ 3-5. Vol. 739. Astrophysical Journal. Published, 09/20/2011.
  • Laskar T., Berger E. & Chary R.R. (2011). Exploring the galaxy mass-metallicity relation at z ∼ 3 - 5. AIP Conference Proceedings. Vol. 1358, 341-344. Published, 09/12/2011.
  • Kruse E., Berger E., Knapp G., Laskar T., Gunn J., Loomis C., Lupton R. & Schlegel D. (2010). Chromospheric variability in Sloan Digital Sky Survey M dwarfs. II. Short-timescale Hα variability. (pp. 1352-1359). Vol. 722. Astrophysical Journal. Published, 10/20/2010.
  • Laskar T., Fabian A.C., Blundell K.M. & Erlund M.C. (2010). Inverse-Compton X-rays from giant radio galaxies at z ∼ 1. (pp. 1500-1504). Vol. 401. Monthly Notices of the Royal Astronomical Society. Published, 01/01/2010.
  • Soderblom D., Laskar T., Valenti J., Stauffer J. & Rebull L. (2009). The metallicity of the pleiades. (pp. 1292-1295). Vol. 138. Astronomical Journal. Published, 11/06/2009.
  • Laskar T., Soderblom D., Valenti J. & Stauffer J. (2009). The metallicity of the HD 98800 system. (pp. 660-665). Vol. 698. Astrophysical Journal. Published, 01/01/2009.
  • Nath B., Laskar T. & Shull J. (2008). Dust sputtering by reverse shocks in supernova remnants. (pp. 1055-1064). Vol. 682. Astrophysical Journal. Published, 08/01/2008.
  • Gupta S., Saini T.D. & Laskar T. (2008). Direction dependence and non-Gaussianity in the high-redshift supernova data. (pp. 242-246). Vol. 388. Monthly Notices of the Royal Astronomical Society. Published, 01/01/2008.
  • Saripalli L., Subrahmanyan R., Laskar T. & Koekemoer A. (2007). Restarting engine in an X-shaped radio galaxy. Proceedings of Science. Vol. 52. Published, 01/01/2007.

Research Keywords

  • Transients
  • Observational Astronomy
  • Mathematical Modeling
  • Machine Learning
  • Gamma-ray bursts
  • Galaxy Evolution and Structure
  • Data Assimilation and Data Science; AI and Machine Learning
  • Astrophysics
  • Astronomy