Swift Observations of GRB 160223B

T.G.R. Roegiers (PSU) for the Swift team

1. Introduction

Gotz et al. (GCN Circ. 19059) reported the GRB detection. A gamma ray burst lasting about 30 s has been detected by IBAS in the IBIS/ISGRI data at 09:58:58 UT of February 23, 2016. 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 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
Optical	Dichiara et al.	19062	LCOGT-FTN optical observations	FTN
Optical	Mazaeva et al.	19065	Khureltogot optical observations	Khureltogot
Optical	Gabovich et al.	19069	MASTER-Amur early observations	MASTER
Gamma-ray	Gotz et al.	19059	A long GRB detected by INTEGRAL	INTEGRAL	Fluence=1.6x10-6erg cm-2
Gamma-ray	von Kienlin et al.	19061	Fermi GBM observation	Fermi GBM	Epeak=560 (+110 /-80) keV T90=17 seconds Fluence=5.9±0.3x10-6erg cm-2 (61st percentile for long GRBs)
Other	Ozawa et al.	19085	CALET Gamma-Ray Burst Monitor detection		detection

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

February 26, 2016