Swift Observations of GRB 170115B

P. D'Avanzo (INAF-OAB) for the Swift team

1. Introduction

Hamburg and Meegan (GCN Circ. 20463) reported the GRB detection. At 17:49:14.03 UT on 15 January 2017, the Fermi Gamma-Ray Burst Monitor triggered and located GRB 170115B (trigger 506195359 / 170115743). Table 1 contains the best reported positions from Swift.

Table 2 is a summary of GCN Circulars about this GRB from observatories other than Swift.

2. BAT Observations and Analysis

BAT did not observe this burst.

3. XRT Observations and Analysis

XRT refined results are not available.

4. UVOT Observations and Analysis

UVOT results are not available.

Figure 1. The BAT light curve is not available.

RA (J2000)	Dec (J2000)	Error	Note	Reference

Table 1. Positions from the Swift instruments.

Band	Authors	GCN Circ.	Subject	Observatory	Notes
Gamma-ray	Hamburg and Meegan	20463	Fermi GBM detection	Fermi GBM	Epeak=1656±81 keV T90=44 seconds Fluence=5.98±0.06x10-5erg cm-2 (95.8 percentile for long GRBs)
Gamma-ray	McEnery et al.	20464	Fermi-LAT detection	Fermi LAT
Gamma-ray	Sharma et al.	20466	AstroSat CZTI (Veto) detection	CZTI	T90=15.3 seconds
Gamma-ray	Verrecchia et al.	20474	AGILE detection	AGILE
Gamma-ray	Hurley et al.	20475	IPN Triangulation	IPN
Gamma-ray	Frederiks et al.	20476	Konus-Wind observation	Konus-Wind	Epeak=1114 (-156,+180) keV
Gamma-ray	Shimizu et al.	20483	CALET Gamma-Ray Burst Monitor detection	CALET	T90=12.0±0.9 seconds
Gamma-ray	Evangelista et al.	20525	AGILE/SuperAGILE localisation	AGILE

Table 2. Summary of GCN Circulars from other observatories sorted by band and then circular number.

January 26, 2017