The optical afterglow of GRB 971214: R and J photometry

A. Diercks; E. W. Deutsch; F. J. Castander; C. Corson; G. Gilmore; D. Q. Lamb; N. Tanvir; E. L. Turner; R. Wyse

doi:10.1086/311540

The optical afterglow of GRB 971214: R and J photometry

A. Diercks, E. W. Deutsch, F. J. Castander, C. Corson, G. Gilmore, D. Q. Lamb, N. Tanvir, E. L. Turner, R. Wyse

Astrophysical Sciences

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Abstract

We present an R- and J-band photometry of an optical transient that is likely to be associated with the gamma-ray burst event GRB 971214. Our first measurement took place 13 hr after the gamma-ray event. The brightness decayed with a power-law exponent α = -1.20 ± 0.02, which is similar to those of GRB 970228 and GRB 970508, which had exponents of α = -1.10 ± 0.04 and α = -1.141 ± 0.014, respectively. The transient decayed monotonically during the first 4 days following the gamma-ray event in contrast with the optical transient associated with GRB 970508, which increased in brightness, peaking 2 days after the burst, before settling to a power-law decay.

Original language	English (US)
Pages (from-to)	L105-L108
Journal	Astrophysical Journal
Volume	503
Issue number	2 PART II
DOIs	https://doi.org/10.1086/311540
State	Published - 1998

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Gamma rays: bursts

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10.1086/311540

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@article{addeade2766c4b5f8879e0a47b816c8e,

title = "The optical afterglow of GRB 971214: R and J photometry",

abstract = "We present an R- and J-band photometry of an optical transient that is likely to be associated with the gamma-ray burst event GRB 971214. Our first measurement took place 13 hr after the gamma-ray event. The brightness decayed with a power-law exponent α = -1.20 ± 0.02, which is similar to those of GRB 970228 and GRB 970508, which had exponents of α = -1.10 ± 0.04 and α = -1.141 ± 0.014, respectively. The transient decayed monotonically during the first 4 days following the gamma-ray event in contrast with the optical transient associated with GRB 970508, which increased in brightness, peaking 2 days after the burst, before settling to a power-law decay.",

keywords = "Gamma rays: bursts",

author = "A. Diercks and Deutsch, {E. W.} and Castander, {F. J.} and C. Corson and G. Gilmore and Lamb, {D. Q.} and N. Tanvir and Turner, {E. L.} and R. Wyse",

note = "Funding Information: team for their critical help in making our early observations of GRB 971214 possible. We would also like to thank Bruce Margon, Christopher Stubbs, and Eli Waxman for useful and informative discussions. These observations were made on very short notice and involved last-minute technical changes that would not have been possible without the enthusiastic cooperation of the APO site staff. We thank Daniel Reichart for pointing out an error in the UT times of the APO R-band observations in a preprint of this paper, which, when corrected, yield a slower rate of decline. A. D. acknowledges the generous support of the David and Lucille Packard Foundation.",

year = "1998",

doi = "10.1086/311540",

language = "English (US)",

volume = "503",

pages = "L105--L108",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

number = "2 PART II",

}

TY - JOUR

T1 - The optical afterglow of GRB 971214

T2 - R and J photometry

AU - Diercks, A.

AU - Deutsch, E. W.

AU - Castander, F. J.

AU - Corson, C.

AU - Gilmore, G.

AU - Lamb, D. Q.

AU - Tanvir, N.

AU - Turner, E. L.

AU - Wyse, R.

N1 - Funding Information: team for their critical help in making our early observations of GRB 971214 possible. We would also like to thank Bruce Margon, Christopher Stubbs, and Eli Waxman for useful and informative discussions. These observations were made on very short notice and involved last-minute technical changes that would not have been possible without the enthusiastic cooperation of the APO site staff. We thank Daniel Reichart for pointing out an error in the UT times of the APO R-band observations in a preprint of this paper, which, when corrected, yield a slower rate of decline. A. D. acknowledges the generous support of the David and Lucille Packard Foundation.

PY - 1998

Y1 - 1998

N2 - We present an R- and J-band photometry of an optical transient that is likely to be associated with the gamma-ray burst event GRB 971214. Our first measurement took place 13 hr after the gamma-ray event. The brightness decayed with a power-law exponent α = -1.20 ± 0.02, which is similar to those of GRB 970228 and GRB 970508, which had exponents of α = -1.10 ± 0.04 and α = -1.141 ± 0.014, respectively. The transient decayed monotonically during the first 4 days following the gamma-ray event in contrast with the optical transient associated with GRB 970508, which increased in brightness, peaking 2 days after the burst, before settling to a power-law decay.

AB - We present an R- and J-band photometry of an optical transient that is likely to be associated with the gamma-ray burst event GRB 971214. Our first measurement took place 13 hr after the gamma-ray event. The brightness decayed with a power-law exponent α = -1.20 ± 0.02, which is similar to those of GRB 970228 and GRB 970508, which had exponents of α = -1.10 ± 0.04 and α = -1.141 ± 0.014, respectively. The transient decayed monotonically during the first 4 days following the gamma-ray event in contrast with the optical transient associated with GRB 970508, which increased in brightness, peaking 2 days after the burst, before settling to a power-law decay.

KW - Gamma rays: bursts

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DO - 10.1086/311540

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SN - 0004-637X

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SP - L105-L108

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2 PART II

ER -

The optical afterglow of GRB 971214: R and J photometry

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