GRB 210212B: Swift observation summary

Mission:	IPN
GRB RA:	156.176°
GRB Dec:	+11.611°
GRB Err:	0.6 arcsec
T0:	2021-02-12 02:37:57 UT
Galactic:	229.95° +52.27°
Galactic N_H:	2.76× 10²⁰ cm^-2
Galactic E(B-V):	0.03194681

Sun distance:	169.79°
Sun angle:	11.32 [hr](West of Sun)
Moon distance:	172.98°
Visibility of this field.

Data analysed so far:

ObsID: 00021423001 with 2.9 ks exposure.

About ToO analysis.

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Sources found so far

So far 6 sources have been found in the XRT data. 3 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from IPN pos	Exposure	Notes
1 [details]	10h 24m 14.55s156.06062°	+11° 37′ 06.8″11.61857°	4.6′′	Good	6.8′	2.9 ks	Matches SIMBAD source: [VV2006] J102414.9+113705, 5.1″ away.
Mean XRT rate: 3.2 (+1.5, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 3.2 (+1.5, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8.1 (+3.7, -2.9) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8.1 (+3.7, -2.9) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.3 [What is this?]
2 [details]	10h 25m 22.20s156.34248°	+11° 36′ 53.6″11.61488°	3.1′′	Good	9.8′	0 s	Matches SIMBAD source: 2MASS J10252212+1136561, 1.9″ away.
Mean XRT rate: undetermined ct s^-1 Peak XRT rate: undetermined ct s^-1 RASS PSPC 3-σ upper limit: 0.13 ct s^-1 (XRT equiv count-rate) Mean XRT flux: undetermined erg cm^-1s^-1 Peak XRT flux: undetermined erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.04 [What is this?]
3 [details]	10h 24m 48.61s156.20254°	+11° 32′ 48.4″11.54677°	2.9′′	Good	4.2′	2.9 ks	Matches SIMBAD source: 2MASX J10244870+1132475, 4.5″ away.
Mean XRT rate: 2.3 (±0.3) ×10^-2 ct s^-1 Peak XRT rate: 2.9 (±0.7) ×10^-2 ct s^-1 RASS PSPC 3-σ upper limit: 0.08 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 7.3 (±1.0) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 9.2 (±2.3) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~5.82×10^-3 [What is this?]
4 [details]	10h 24m 25.79s156.10747°	+11° 29′ 00.7″11.48352°	4.5′′	Good	8.6′	2.9 ks
Mean XRT rate: 5.7 (+1.9, -1.6) ×10^-3 ct s^-1 Peak XRT rate: 5.7 (+1.9, -1.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.16 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.08 (+1.03, -0.85) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.08 (+1.03, -0.85) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.2 [What is this?]
5 [details]	10h 24m 26.06s156.10858°	+11° 44′ 44.6″11.74572°	4.4′′	Good	9.0′	2.9 ks
Mean XRT rate: 2.03 (+1.31, -0.93) ×10^-3 ct s^-1 Peak XRT rate: 2.03 (+1.31, -0.93) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.09 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
6 [details]	10h 24m 21.25s156.08855°	+11° 40′ 18.6″11.67184°	4.7′′	Good	6.3′	2.9 ks
Mean XRT rate: 2.7 (+1.4, -1.0) ×10^-3 ct s^-1 Peak XRT rate: 2.7 (+1.4, -1.0) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.09 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.0 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.0 (+0.5, -0.4) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.3 [What is this?]

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

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Exposure map

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FITS exposure map.