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GRB 210406A: Swift observation summary

Mission:INTEGRAL
GRB RA:132.459°
GRB Dec:+76.532°
GRB Err:1.5 arcmin
T0:2021-04-06 17:11:22 UT
Galactic:136.92° +33.08°
Galactic NH:2.14× 1020 cm-2
Galactic E(B-V):0.02111234
Sun distance:89.43°
Sun angle:7.78 [hr] (East of Sun)
Moon distance:123.92°
Visibility of this field.
Data analysed so far:
  • ObsID: 00021427001 with 3.3 ks exposure.
  • ObsID: 00021427002 with 1.8 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 2 sources match catalogued sources.

# RA (J2000) Dec (J2000) Err901 Detection
Flag2
Dist from
INTEGRAL pos
Exposure Notes Vizier
1
[details]
08h 52m 11.46s +76° 27′ 15.9″ 2.9′′ Good 9.5′ 3.5 ks Matches known X-ray source: XMMSL2 J085211.0+762711 (from XMM-NEWTON/XMMSLEWCLN), 7.5454229980989″ away.
Matches SIMBAD source: 1RXS J085211.8+762711, 5.2″ away.
Vizier logo
2
[details]
08h 47m 03.56s +76° 36′ 50.8″ 7.4′′ Good 10.9′ 5.1 ks Matches known X-ray source: 1WGA J0846.9+7636 (from ROSAT/WGACAT), 15.186160486564″ away. Vizier logo
3
[details]
08h 49m 59.72s +76° 31′ 44.0″ 6.4′′ Poor 0.6′ 5.1 ks Vizier logo
4
[details]
08h 50m 40.23s +76° 34′ 34.0″ 6.5′′ Good 3.9′ 5.1 ks Vizier logo

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.


Image

Select image style: Draggable PNG | JS9.

FITS image.

Image of all observations processed so far

Exposure map

FITS exposure map.

Exposure map of all observations processed so far