Swift Observations of GRB 210212B

1. Introduction

Svinkin et al. (GCN Circ. 29511) reported the GRB detection. 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
Optical	Pozanenko et al.	29512	(TF21aakruew/AT2021cwd): Assy optical observations		marginal detection
Gamma-ray	Svinkin et al.	29511	IPN triangulation of GRB 210212B (consistent with ZTF21aakruew/AT2021cwd)	IPN
Gamma-ray	Svinkin et al.	29514	Konus-Wind detection of GRB 210212B / ZTF21aakruew	Konus-Wind	Epeak=208 (-46,+84) keV Duration=~48 seconds Fluence=8.7(-1.1,+1.7)x10-6erg cm-2

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

February 17, 2021