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

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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 languageEnglish (US)
Pages (from-to)L105-L108
JournalAstrophysical Journal
Volume503
Issue number2 PART II
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Gamma rays: bursts

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    Diercks, A., Deutsch, E. W., Castander, F. J., Corson, C., Gilmore, G., Lamb, D. Q., Tanvir, N., Turner, E. L., & Wyse, R. (1998). The optical afterglow of GRB 971214: R and J photometry. Astrophysical Journal, 503(2 PART II), L105-L108. https://doi.org/10.1086/311540