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Home > GRB region information > 1263840

Swift Trigger: 1263840

Presumed name: GRB 241030B

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

BAT	03h 23m 09.12s, +34° 25′ 55.2″
position:	(50.788, +34.432 ± 180″)
XRT	03h 23m 10.25s, +34° 26′ 48.9″
position:	(50.79269, 34.44691 ± 1.9″)
UVOT	No position available.
Galactic NHI:	1.19×1021 cm-2
Galactic E(B-V):	0.229 mag

Best RA:	03h 23m 10.25s	= 50.79269 d
Best Dec:	+34° 26′ 48.9″	= 34.44691 d
Gal Lat:	-18.72
Gal Long:	155.29
Sun angle:	155.15°, 11.0 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 6 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 03 23 10.24 (34.44691)
  • Dec (J2000): +34 26 48.9 ( 34.44600)
  • Error (90%): 1.9
  • Counts in Source: 200

See the SPER page for details of how this position was produced.

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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

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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

* 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
12.0	50.7959	34.4449		B2=20.7, R2=19.8	USNO-B1
15.5	50.7962	34.4437		B2=20.7, R1=19.8, R2=19.8	USNO-B1
15.7	50.7958	34.4436			NED
28.9	50.7837	34.4439			NED
29.4	50.8021	34.4489			NED
29.8	50.7892	34.4392			NED
39.5	50.7996	34.4375			NED
41.4	50.7808	34.4406			NED
41.9	50.7857	34.4570		B2=20.6, R1=19.9, R2=19.7	USNO-B1
43.2	50.8067	34.4442			NED

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

There are 189 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
29.6	50.7890	34.4393	h=15.9, j=16.4, k=15.8	2MASS
29.6	50.7892	34.4392	B1=18.4, B2=18.8, I=17.1, R1=17.6, R2=17.6	USNO-B1
31.6	50.7848	34.4528	B1=20.5, B2=20.7	USNO-B1
35.4	50.7819	34.4426	B1=20.4, B2=20.6, R2=20.0	USNO-B1
35.6	50.7977	34.4379	B1=20.0, R1=19.9	USNO-B1
39.0	50.7994	34.4376	B1=20.5, B2=20.7, I=17.5, R1=18.7, R2=18.8	USNO-B1
39.3	50.7995	34.4375	h=15.4, j=16.2, k=15.3	2MASS
41.4	50.7811	34.4405	h=13.7, j=14.1, k=13.6	2MASS
41.6	50.7810	34.4406	B1=16.3, B2=16.9, I=14.7, R1=14.9, R2=15.4	USNO-B1
43.0	50.8068	34.4443	R1=19.8, R2=19.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 172 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.