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GRB 190331B: Swift observation summary

GRB RA:326.237°
GRB Dec:-54.544°
GRB Err:4.0 arcmin
T0:2019-03-31 03:58:42 UT
Galactic:340.75° -46.55°
Galactic NH:1.92× 1020 cm-2
Galactic E(B-V):0.02037427
Sun distance:68.57°
Sun angle:2.87 [hr] (West of Sun)
Moon distance:36.88°
Visibility of this field.
Data analysed so far:
  • ObsID: 00020885001 with 2.0 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 3 sources have been found in the XRT data. 1 sources match catalogued sources.

# RA (J2000) Dec (J2000) Err901 Detection
Dist from
Swift/BAT pos
Exposure Notes Vizier
21h 44m 53.71s -54° 28′ 18.2″ 3.7′′ Good 4.4′ 9.8 ks Vizier logo
21h 45m 08.22s -54° 42′ 55.3″ 10.6′′ Good 10.4′ 7.0 ks Matches known X-ray source: 1RXS J214509.7-544256 (from ROSAT/RASSFSC), 12.88246815389″ away.
Matches SIMBAD source: RAVE J214508.9-544256, 5.5″ away.
Vizier logo
21h 44m 59.45s -54° 43′ 31.9″ 8.4′′ Good 10.9′ 7.0 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.


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