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Home > GRB region information > 1152509

Swift Trigger: 1152509

Presumed name: GRB 230204A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	15h 52m 39.36s, -50° 51′ 28.8″
position:	(238.164, -50.858 ± 180″)
XRT	15h 52m 46.80s, -50° 55′ 00.1″
position:	(238.1950, -50.9167 ± 5.0″)
UVOT	No position available.
Galactic NHI:	8.77×1021 cm-2
Galactic E(B-V):	3.318 mag

Best RA:	15h 52m 46.80s	= 238.1950 d
Best Dec:	-50° 55′ 00.1″	= -50.9167 d
Gal Lat:	2.32
Gal Long:	329.6
Sun angle:	70.44°, 5.3 hr West

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 2 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.0′′	238.19500	-50.91670		GCN #33260	GRB 230204A: Swift detection of a possible burst (or possible transient Swift J1552.8-5055)
10.3′′	238.19929	-50.91576		GCN #33266	GRB 230204A: Swift/UVOT Upper Limits
10.5′′	238.19962	-50.91653		GCN #33261	GRB 230204A: Enhanced Swift-XRT position
255.9′′	238.16600	-50.84800		GCN #33279	GRB 230204A: Swift-BAT refined analysis

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Catalogue Searches. Searched 200′ around XRT position

Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).

SIMBAD

	RA*	Dec*	SIMBAD name		Query
78.5	238.1662	-50.9288	Gaia DR3 5982163769971340288	G=16.254929
88.2	238.1668	-50.9336	Gaia DR3 5982163769970958208	G=16.168816
127.4	238.1400	-50.9237	IRAS 15488-5046	G=11.065376, H=3.876, J=5.258, K=3.345
166.3	238.2120	-50.8718	HD 141725	B=9.45, G=9.365026, H=9.105, J=9.104, K=9.082, V=9.41

There are 4 SIMBAD objects within the position error. The full list is here.

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table2	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*	Redshift		Catalogue	Query
6.5	238.1946	-50.9150			NED
6.7	238.1947	-50.9149		B2=19.1, I=16.4, R1=16.6, R2=16.8	USNO-B1
7.7	238.1954	-50.9189			NED
10.3	238.1992	-50.9158			NED
10.3	238.1906	-50.9160		I=18.2, R1=18.4, R2=19.3	USNO-B1
10.4	238.1904	-50.9161			NED
10.4	238.1979	-50.9144			NED
13.3	238.1929	-50.9203			NED
15.7	238.1903	-50.9135		R1=18.2, R2=17.7	USNO-B1
16.0	238.1900	-50.9136			NED

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 1212 galaxies within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example

Stars

	RA*	Dec*		Catalogue	Query
6.5	238.1946	-50.9149	h=14.0, j=14.6, k=13.6	2MASS
7.8	238.1955	-50.9188	h=15.4, j=16.1, k=14.8	2MASS
10.3	238.1994	-50.9159	h=10.6, j=11.5, k=10.3	2MASS
10.4	238.1978	-50.9144	h=14.2, j=15.1, k=13.6	2MASS
10.5	238.1905	-50.9161	h=15.1, j=15.8, k=15.0	2MASS
12.7	238.2001	-50.9153	B2=15.4, I=11.4, R1=12.8, R2=13.1	USNO-B1
13.3	238.1929	-50.9201	h=14.8, j=16.1, k=14.9	2MASS
16.0	238.1899	-50.9136	h=13.2, j=14.2, k=12.8	2MASS
16.9	238.2017	-50.9147	h=11.5, j=12.4, k=11.3	2MASS
17.4	238.2012	-50.9195	h=15.1, j=16.2, k=14.9	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 1122 stars within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example.