2023RNAAS...7...56F

Query : 2023RNAAS...7...56F

2023RNAAS...7...56F - Research Notes of the AAS, 7, 56 (2023/March-0)

Observations of GRB 230307A by TESS.

FAUSNAUGH M.M., JAYARAMAN R., VANDERSPEK R., RICKER G.R., BURKE C.J., COLON K.D., FLEMING S.W., LEWIS H.M., MULLALLY S., YOUNGBLOOD A., BARCLAY T., BURNS E., LATHAM D.W., SEAGER S., WINN J.N. and JENKINS J.M.

Abstract (from CDS):

We present the Transiting Exoplanet Survey Satellite (TESS) light curve of GRB 230307A. We find two distinct components: a bright, prompt optical component at the time of the Fermi observation that peaked at TESS magnitude 14.49 ± 0.05 (averaged over 200 s), followed by a gradual rise and fall over 0.5 day, likely associated with the afterglow, that peaked at 17.65 ± 0.06 mag. The prompt component is observed in a single 200 s Full Frame Image and was undetectable in the next TESS image (Tmag > 17.79). Assuming that the onset of the optical transient was coincident with the gamma-ray emission, the prompt emission lasted less than 73.6 s, which implies the true peak was actually brighter than Tmag = 13.40. We also fit parametric models to the afterglow to characterize its shape. The TESS TICA light curve can be retrieved at https://tess.mit.edu/public/tesstransients/light_curves/lc_grb230307A_cleaned.txt.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Gamma-ray bursts - Gamma-ray transient sources

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 GRB 230307A gB 04 03 26.24 -75 22 43.8           ~ 221 0

Query : 2023RNAAS...7...56F

Basic data :
GRB 230307A -- Gamma-ray Burst
Other object types: otypes_help 		gB (GRB,Fermi), ev (AT)
ICRS coord. (ep=J2000) : 		04 03 26.24 -75 22 43.8 (X-ray) [ 3200 3200 ] D SWIFT
FK4 coord. (ep=B1950 eq=1950) : 		04 04 37.67 -75 30 49.8 [ 3200 3200 ]
Gal coord. (ep=J2000) : 		289.47808 -36.26654 [ 3200 3200 ]
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Identifiers (3) :
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GRB 230307A AT 2023vfi Fermi bn230307656

References (221 between 1850 and 2026) (Total 221)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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