Photo of Tanmoy Laskar
  • 3 WEST 3.17A

Accepting PhD Students

20082020
If you made any changes in Pure these will be visible here soon.

Research Output 2008 2019

2019
3 Citations (Scopus)

ALMA Detection of a Linearly Polarized Reverse Shock in GRB 190114C

Laskar, T., Alexander, K. D., Gill, R., Granot, J., Berger, E., Mundell, C., Duran, R. B., Bolmer, J., Duffell, P. C., Van Eerten, H., Fong, W., Kobayashi, S., Margutti, R. & Schady, P., 13 Jun 2019, In : Astrophysical Journal Letters. 878, 1, L26.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

An Embedded X-Ray Source Shines through the Aspherical AT 2018cow: Revealing the Inner Workings of the Most Luminous Fast-evolving Optical Transients

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. & 25 others, 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., 6 Feb 2019, In : Astrophysical Journal. 872, 1, p. 18 32 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

An Unexpectedly Small Emission Region Size Inferred from Strong High-frequency Diffractive Scintillation in GRB 161219B

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., 9 Jan 2019, In : Astrophysical Journal. 870, 2, 67.

Research output: Contribution to journalArticle

Open Access

A Reverse Shock in GRB 181201A

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, RE., Yamazaki, R., Lipunov, V. M., Gorbovskoy, E. & 9 others, Kornilov, V. G., Tyurina, N., Zimnukhov, D., Podesta, R., Levato, H., Buckley, D. A. H., Tlatov, A., Rebolo, R. & Serra-Ricart, M., 17 Oct 2019, In : Astrophysical Journal. 884, 2, 121.

Research output: Contribution to journalArticle

A robotic pipeline for fast GRB followup with the Las Cumbrés observatory network

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., 15 Aug 2019, In : Experimental Astronomy. 48, 1, p. 25-48 24 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Follow-up of the Neutron Star Bearing Gravitational-wave Candidate Events S190425z and S190426c with MMT and SOAR

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. & 6 others, Ly, C., Patton, L., Pelisoli, I., Reichart, D. E., Terreran, G. & Williams, P. K. G., 18 Jul 2019, In : Astrophysical Journal Letters. 880, 1, L4.

Research output: Contribution to journalArticle

5 Citations (Scopus)

The fraction of ionizing radiation from massive stars that escapes to the intergalactic medium

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. & 23 others, 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., 11 Mar 2019, In : Monthly Notices of the Royal Astronomical Society. 483, 4, p. 5380-5408 29 p.

Research output: Contribution to journalArticle

The Optical Afterglow of GW170817: An Off-axis Structured Jet and Deep Constraints on a Globular Cluster Origin

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. & 8 others, Nicholl, M., Paterson, K., Terreran, G., Sand, D. J., Sironi, L., Williams, P. K. G., Xie, X. & Zrake, J., 17 Sep 2019, In : Astrophysical Journal Letters. 883, 1, L1.

Research output: Contribution to journalArticle

2018
4 Citations (Scopus)

A VLA Study of High-redshift GRBs. I. Multiwavelength Observations and Modeling of GRB 140311A

Laskar, T., Berger, E., Chornock, R., Margutti, R., Fong, W. & Zauderer, B. A., 4 May 2018, In : Astrophysical Journal. 858, 1, p. 65

Research output: Contribution to journalArticle

4 Citations (Scopus)

A VLA Study of High-redshift GRBs. II. The Complex Radio Afterglow of GRB 140304A: Shell Collisions and Two Reverse Shocks

Laskar, T., Berger, E., Margutti, R., Zauderer, B. A., Williams, P. K. G., Fong, W., Sari, R., Alexander, K. D. & Kamble, A., 1 Jun 2018, In : Astrophysical Journal. 859, 2, p. 1-23 23 p., 134.

Research output: Contribution to journalArticle

8 Citations (Scopus)

First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B

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., 26 Jul 2018, In : Astrophysical Journal. 862, 2, p. 1-23 23 p., 94.

Research output: Contribution to journalArticle

magnetization
light curve
shock
radio
erg
32 Citations (Scopus)

Hydrogen-poor Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey

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., Riess, A. G., Roth, K. C., Sanders, N. E. & 14 others, 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., 9 Jan 2018, In : Astrophysical Journal. 852, 2, p. 81

Research output: Contribution to journalArticle

2 Citations (Scopus)

On the Deceleration and Spreading of Relativistic Jets. I. Jet Dynamics

Duffell, P. C. & Laskar, T., 6 Sep 2018, In : Astrophysical Journal. 865, 2, p. 94

Research output: Contribution to journalArticle

2 Citations (Scopus)

Synchrotron self-absorption in GRB afterglows: the effects of a thermal electron population

Warren, D. C., Barkov, M. V., Ito, H., Nagataki, S. & Laskar, T., 16 Aug 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 3, p. 4060-4068

Research output: Contribution to journalArticle

5 Citations (Scopus)

The Properties of GRB 120923A at a Spectroscopic Redshift of z ≈ 7.8

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. & 20 others, 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., 27 Sep 2018, In : Astrophysical Journal. 865, 2, 16 p.

Research output: Contribution to journalArticle

2017
14 Citations (Scopus)
61 Downloads (Pure)

A Reverse Shock and Unusual Radio Properties in GRB 160625B

Alexander, K. D., Laskar, T., Berger, E., Guidorzi, C., Dichiara, S., Fong, W. F., Gomboc, A., Kobayashi, S., Kopac, D., Mundell, C. G. & Tanvir, N. R., 12 Oct 2017, In : Astrophysical Journal. 848, 1, 13 p., 69.

Research output: Contribution to journalArticle

Open Access
File
shock
radio
radio emission
scattering
radio observation
7 Citations (Scopus)

Thermal Electrons in Gamma-Ray Burst Afterglows

Ressler, S. M. & Laskar, T., 22 Aug 2017, In : Astrophysical Journal. 845, 2, 7 p., 150.

Research output: Contribution to journalArticle

2016
26 Citations (Scopus)

THE AFTERGLOW AND EARLY-TYPE HOST GALAXY OF THE SHORT GRB 150101B AT z = 0.1343

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., 14 Dec 2016, In : Astrophysical Journal. 833, 2, p. 151 14 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

THE INTERMEDIATE LUMINOSITY OPTICAL TRANSIENT SN 2010DA: THE PROGENITOR, ERUPTION, AND AFTERMATH OF A PECULIAR SUPERGIANT HIGH-MASS X-RAY BINARY

Villar, V. A., Berger, E., Chornock, R., Margutti, R., Laskar, T., Brown, P. J., Blanchard, P. K., Czekala, I., Lunnan, R. & Reynolds, M. T., 3 Oct 2016, In : Astrophysical Journal. 830, 1, p. 11 23 p.

Research output: Contribution to journalArticle

55 Citations (Scopus)

THE SWIFT GAMMA-RAY BURST HOST GALAXY LEGACY SURVEY. I. SAMPLE SELECTION AND REDSHIFT DISTRIBUTION

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. & 3 others, Tanvir, N. R., Thöne, C. C. & Wiersema, K., 19 Jan 2016, In : Astrophysical Journal. 817, 1, p. 7 23 p.

Research output: Contribution to journalArticle

62 Citations (Scopus)

THE SWIFT GRB HOST GALAXY LEGACY SURVEY. II. REST-FRAME NEAR-IR LUMINOSITY DISTRIBUTION AND EVIDENCE FOR A NEAR-SOLAR METALLICITY THRESHOLD

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, In : Astrophysical Journal. 817, 1, p. 8

Research output: Contribution to journalArticle

2015
20 Citations (Scopus)

DUST IN THE WIND: THE ROLE OF RECENT MASS LOSS IN LONG GAMMA-RAY BURSTS

Margutti, R., Guidorzi, C., Lazzati, D., Milisavljevic, D., Kamble, A., Laskar, T., Parrent, J., Gehrels, N. C. & Soderberg, A. M., 29 May 2015, In : Astrophysical Journal. 805, 2, p. 159 6 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

ENERGY INJECTION IN GAMMA-RAY BURST AFTERGLOWS

Laskar, T., Berger, E., Margutti, R., Perley, D., Zauderer, B. A., Sari, R. & Fong, W., 10 Nov 2015, In : Astrophysical Journal. 814, 1, p. 1 38 p.

Research output: Contribution to journalArticle

2014
13 Citations (Scopus)

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

Berger, E., Zauderer, B. A., Chary, R., Laskar, T., Chornock, R., Tanvir, N. R., Stanway, E. R., Levan, A. J., Levesque, E. M. & Davies, J. E., 12 Nov 2014, In : Astrophysical Journal. 796, 2

Research output: Contribution to journalArticle

126 Citations (Scopus)

HYDROGEN-POOR SUPERLUMINOUS SUPERNOVAE AND LONG-DURATION GAMMA-RAY BURSTS HAVE SIMILAR HOST GALAXIES

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. & 10 others, 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., 13 May 2014, In : Astrophysical Journal. 787, 2, p. 138 19 p.

Research output: Contribution to journalArticle

100 Citations (Scopus)

SHORT GRB 130603B: DISCOVERY OF A JET BREAK IN THE OPTICAL AND RADIO AFTERGLOWS, AND A MYSTERIOUS LATE-TIME X-RAY EXCESS

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., 10 Jan 2014, In : Astrophysical Journal. 780, 2, p. 118 9 p.

Research output: Contribution to journalArticle

2013
70 Citations (Scopus)

A REVERSE SHOCK IN GRB 130427A

Laskar, T., Berger, E., Zauderer, B. A., Margutti, R., Soderberg, A. M., Chakraborti, S., Lunnan, R., Chornock, R., Chandra, P. & Ray, A., 2013, In : Astrophysical Journal. 776, 2, p. 119 7 p.

Research output: Contribution to journalArticle

98 Citations (Scopus)

DEMOGRAPHICS OF THE GALAXIES HOSTING SHORT-DURATION GAMMA-RAY BURSTS

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., 3 May 2013, In : Astrophysical Journal. 769, 1, p. 56 18 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

GRB 120521C AT z ~ 6 AND THE PROPERTIES OF HIGH-REDSHIFT γ-RAY BURSTS

Laskar, T., Berger, E., Tanvir, N., Zauderer, B. A., Margutti, R., Levan, A., Perley, D., Fong, W., Wiersema, K., Menten, K. & Hrudkova, M., 24 Dec 2013, In : Astrophysical Journal. 781, 1, p. 1-24 24 p.

Research output: Contribution to journalArticle

52 Citations (Scopus)

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

Chornock, R., Berger, E., Fox, D. B., Lunnan, R., Drout, M. R., Fong, W., Laskar, T. & Roth, K. C., 12 Aug 2013, In : Astrophysical Journal. 774, 1, p. 26 10 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

ILLUMINATING THE DARKEST GAMMA-RAY BURSTS WITH RADIO OBSERVATIONS

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. & 4 others, Gorosabel, J., Guziy, S., Pérez-ramírez, D. & Winters, J. M., 2013, In : Astrophysical Journal. 767, 2, 13 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

THE AFTERGLOW AND ULIRG HOST GALAXY OF THE DARK SHORT GRB 120804A

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, In : Astrophysical Journal. 765, 2, 7 p.

Research output: Contribution to journalArticle

2011
39 Citations (Scopus)

EXPLORING THE GALAXY MASS−METALLICITY RELATION AT z ~ 3−5

Laskar, T., Berger, E. & Chary, R., 20 Sep 2011, In : Astrophysical Journal. 739, 1, 13 p.

Research output: Contribution to journalArticle

2010
17 Citations (Scopus)

CHROMOSPHERIC VARIABILITY IN SLOAN DIGITAL SKY SURVEY M DWARFS. II. SHORT-TIMESCALE Hα VARIABILITY

Kruse, E. A., Berger, E., Knapp, G. R., Laskar, T., Gunn, J. E., Loomis, C. P. & Schlegel, D. J., 20 Oct 2010, In : Astrophysical Journal. 722, 2, p. 1352-1359 8 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Inverse-Compton X-rays from giant radio galaxies at z∼ 1

Laskar, T., Fabian, A. C., Blundell, K. M. & Erlund, M. C., 21 Jan 2010, In : Monthly Notices of the Royal Astronomical Society. 401, 3, p. 1500-1504 5 p.

Research output: Contribution to journalArticle

2009
6 Citations (Scopus)

THE METALLICITY OF THE HD 98800 SYSTEM

Laskar, T., Soderblom, D. R., Valenti, J. A. & Stauffer, J. R., 10 Jun 2009, In : Astrophysical Journal. 698, 1, p. 660-665

Research output: Contribution to journalArticle

48 Citations (Scopus)

THE METALLICITY OF THE PLEIADES

Soderblom, D. R., Laskar, T., Valenti, J. A., Stauffer, J. R. & Rebull, L. M., 1 Nov 2009, In : Astronomical Journal. 138, 5, p. 1292-1295 4 p.

Research output: Contribution to journalArticle

2008
26 Citations (Scopus)

Direction dependence and non-Gaussianity in the high-redshift supernova data

Gupta, S., Saini, T. D. & Laskar, T., 21 Jul 2008, In : Monthly Notices of the Royal Astronomical Society. 388, 1, p. 242-246

Research output: Contribution to journalArticle

24 Citations (Scopus)

Dust Sputtering by Reverse Shocks in Supernova Remnants

Nath, B. B., Laskar, T. & Shull, J. M., 1 Aug 2008, In : Astrophysical Journal. 682, 2, p. 1055-1064 10 p.

Research output: Contribution to journalArticle