Home > Research > Publications & Outputs > GRB 140102A: insight into prompt spectral evolu...

Links

Text available via DOI:

View graph of relations

GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission. / Gupta, Rahul; Oates, S. R.; Pandey, S. B. et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 505, No. 3, 01.08.2021, p. 4086-4105.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Gupta, R, Oates, SR, Pandey, SB, Castro-Tirado, AJ, Joshi, JC, Hu, Y-D, Valeev, AF, Zhang, BB, Zhang, Z, Kumar, A, Aryan, A, Lien, A, Kumar, B, Cui, C, Wang, C, Dimple, Bhattacharya, D, Sonbas, E, Bai, J, Tello, JC, Gorosabel, J, Castro Cerón, JM, Porto, JRF, Misra, K, De Pasquale, M, Caballero-García, MD, Jelínek, M, Kubánek, P, Minaev, PY, Cunniffe, R, Sánchez-Ramírez, R, Guziy, S, Jeong, S, Tiwari, SN, Razzaque, S, Bhalerao, V, Pintado, VC, Sokolov, VV, Zhao, X, Fan, Y & Xin, Y 2021, 'GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission', Monthly Notices of the Royal Astronomical Society, vol. 505, no. 3, pp. 4086-4105. https://doi.org/10.1093/mnras/stab1573

APA

Gupta, R., Oates, S. R., Pandey, S. B., Castro-Tirado, A. J., Joshi, J. C., Hu, Y. .-D., Valeev, A. F., Zhang, B. B., Zhang, Z., Kumar, A., Aryan, A., Lien, A., Kumar, B., Cui, C., Wang, C., Dimple, Bhattacharya, D., Sonbas, E., Bai, J., ... Xin, Y. (2021). GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission. Monthly Notices of the Royal Astronomical Society, 505(3), 4086-4105. https://doi.org/10.1093/mnras/stab1573

Vancouver

Gupta R, Oates SR, Pandey SB, Castro-Tirado AJ, Joshi JC, Hu YD et al. GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission. Monthly Notices of the Royal Astronomical Society. 2021 Aug 1;505(3):4086-4105. doi: 10.1093/mnras/stab1573

Author

Gupta, Rahul ; Oates, S. R. ; Pandey, S. B. et al. / GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission. In: Monthly Notices of the Royal Astronomical Society. 2021 ; Vol. 505, No. 3. pp. 4086-4105.

Bibtex

@article{d08bd80dc2144494863136718302d611,
title = "GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission",
abstract = "We present and perform a detailed analysis of multiwavelength observations of GRB 140102A, an optical bright GRB with an observed reverse shock (RS) signature. Observations of this GRB were acquired with the BOOTES-4 robotic telescope, the Fermi, and the Swift missions. Time-resolved spectroscopy of the prompt emission shows that changes to the peak energy (Ep) tracks intensity and the low-energy spectral index seems to follow the intensity for the first episode, whereas this tracking behaviour is less clear during the second episode. The fit to the afterglow light curves shows that the early optical afterglow can be described with RS emission and is consistent with the thin shell scenario of the constant ambient medium. The late time afterglow decay is also consistent with the prediction of the external forward shock model. We determine the properties of the shocks, Lorentz factor, magnetization parameters, and ambient density of GRB 140102A, and compare these parameters with another 12 GRBs, consistent with having RS produced by thin shells in an interstellar medium like medium. The value of the magnetization parameter (RB ≍ 18) indicates a moderately magnetized baryonic dominant jet composition for GRB 140102A. We also report the host galaxy photometric observations of GRB 140102A obtained with 10.4 m GTC, 3.5 m Calar Alto Astronomical Observatory, and 3.6 m Devasthal optical telescope and find the host (photo z = $2.8^{+0.7}_{-0.9}$) to be a high-mass, star-forming galaxy with a star formation rate of $20 \pm 10 {\rm ~M_{\odot }}\, \rm yr^{-1}$....",
author = "Rahul Gupta and Oates, {S. R.} and Pandey, {S. B.} and Castro-Tirado, {A. J.} and Joshi, {Jagdish C.} and Hu, {Y. -D.} and Valeev, {A. F.} and Zhang, {B. B.} and Z. Zhang and Amit Kumar and A. Aryan and A. Lien and B. Kumar and Ch Cui and Ch Wang and Dimple and D. Bhattacharya and E. Sonbas and J. Bai and Tello, {J. C.} and J. Gorosabel and {Castro Cer{\'o}n}, {J. M.} and Porto, {J. R. F.} and K. Misra and {De Pasquale}, M. and Caballero-Garc{\'i}a, {M. D.} and M. Jel{\'i}nek and P. Kub{\'a}nek and Minaev, {P. Yu} and R. Cunniffe and R. S{\'a}nchez-Ram{\'i}rez and S. Guziy and S. Jeong and Tiwari, {S. N.} and S. Razzaque and V. Bhalerao and Pintado, {V. C.} and Sokolov, {V. V.} and X. Zhao and Y. Fan and Y. Xin",
year = "2021",
month = aug,
day = "1",
doi = "10.1093/mnras/stab1573",
language = "English",
volume = "505",
pages = "4086--4105",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "OXFORD UNIV PRESS",
number = "3",

}

RIS

TY - JOUR

T1 - GRB 140102A: insight into prompt spectral evolution and early optical afterglow emission

AU - Gupta, Rahul

AU - Oates, S. R.

AU - Pandey, S. B.

AU - Castro-Tirado, A. J.

AU - Joshi, Jagdish C.

AU - Hu, Y. -D.

AU - Valeev, A. F.

AU - Zhang, B. B.

AU - Zhang, Z.

AU - Kumar, Amit

AU - Aryan, A.

AU - Lien, A.

AU - Kumar, B.

AU - Cui, Ch

AU - Wang, Ch

AU - Dimple, null

AU - Bhattacharya, D.

AU - Sonbas, E.

AU - Bai, J.

AU - Tello, J. C.

AU - Gorosabel, J.

AU - Castro Cerón, J. M.

AU - Porto, J. R. F.

AU - Misra, K.

AU - De Pasquale, M.

AU - Caballero-García, M. D.

AU - Jelínek, M.

AU - Kubánek, P.

AU - Minaev, P. Yu

AU - Cunniffe, R.

AU - Sánchez-Ramírez, R.

AU - Guziy, S.

AU - Jeong, S.

AU - Tiwari, S. N.

AU - Razzaque, S.

AU - Bhalerao, V.

AU - Pintado, V. C.

AU - Sokolov, V. V.

AU - Zhao, X.

AU - Fan, Y.

AU - Xin, Y.

PY - 2021/8/1

Y1 - 2021/8/1

N2 - We present and perform a detailed analysis of multiwavelength observations of GRB 140102A, an optical bright GRB with an observed reverse shock (RS) signature. Observations of this GRB were acquired with the BOOTES-4 robotic telescope, the Fermi, and the Swift missions. Time-resolved spectroscopy of the prompt emission shows that changes to the peak energy (Ep) tracks intensity and the low-energy spectral index seems to follow the intensity for the first episode, whereas this tracking behaviour is less clear during the second episode. The fit to the afterglow light curves shows that the early optical afterglow can be described with RS emission and is consistent with the thin shell scenario of the constant ambient medium. The late time afterglow decay is also consistent with the prediction of the external forward shock model. We determine the properties of the shocks, Lorentz factor, magnetization parameters, and ambient density of GRB 140102A, and compare these parameters with another 12 GRBs, consistent with having RS produced by thin shells in an interstellar medium like medium. The value of the magnetization parameter (RB ≍ 18) indicates a moderately magnetized baryonic dominant jet composition for GRB 140102A. We also report the host galaxy photometric observations of GRB 140102A obtained with 10.4 m GTC, 3.5 m Calar Alto Astronomical Observatory, and 3.6 m Devasthal optical telescope and find the host (photo z = $2.8^{+0.7}_{-0.9}$) to be a high-mass, star-forming galaxy with a star formation rate of $20 \pm 10 {\rm ~M_{\odot }}\, \rm yr^{-1}$....

AB - We present and perform a detailed analysis of multiwavelength observations of GRB 140102A, an optical bright GRB with an observed reverse shock (RS) signature. Observations of this GRB were acquired with the BOOTES-4 robotic telescope, the Fermi, and the Swift missions. Time-resolved spectroscopy of the prompt emission shows that changes to the peak energy (Ep) tracks intensity and the low-energy spectral index seems to follow the intensity for the first episode, whereas this tracking behaviour is less clear during the second episode. The fit to the afterglow light curves shows that the early optical afterglow can be described with RS emission and is consistent with the thin shell scenario of the constant ambient medium. The late time afterglow decay is also consistent with the prediction of the external forward shock model. We determine the properties of the shocks, Lorentz factor, magnetization parameters, and ambient density of GRB 140102A, and compare these parameters with another 12 GRBs, consistent with having RS produced by thin shells in an interstellar medium like medium. The value of the magnetization parameter (RB ≍ 18) indicates a moderately magnetized baryonic dominant jet composition for GRB 140102A. We also report the host galaxy photometric observations of GRB 140102A obtained with 10.4 m GTC, 3.5 m Calar Alto Astronomical Observatory, and 3.6 m Devasthal optical telescope and find the host (photo z = $2.8^{+0.7}_{-0.9}$) to be a high-mass, star-forming galaxy with a star formation rate of $20 \pm 10 {\rm ~M_{\odot }}\, \rm yr^{-1}$....

U2 - 10.1093/mnras/stab1573

DO - 10.1093/mnras/stab1573

M3 - Journal article

VL - 505

SP - 4086

EP - 4105

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 3

ER -