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Home > GRB region information > 1131397

Swift Trigger: 1131397

Presumed name: GRB 221027B

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

BAT	15h 02m 24.72s, +47° 26′ 52.8″
position:	(225.603, +47.448 ± 180″)
XRT	15h 02m 29.13s, +47° 26′ 30.0″
position:	(225.62137, 47.44168 ± 1.9″)
UVOT	No position available.
Galactic NHI:	2.63×1020 cm-2
Galactic E(B-V):	0.029 mag

Best RA:	15h 02m 29.13s	= 225.62137 d
Best Dec:	+47° 26′ 30.0″	= 47.44168 d
Gal Lat:	57.36
Gal Long:	80.2
Sun angle:	61.56°, -0.9 hr East of Sun

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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 8 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 15 02 29.15 (47.44168)
  • Dec (J2000): +47 26 30.1 ( 47.44199)
  • Error (90%): 1.9
  • Counts in Source: 398

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
1.2′′	225.62104	47.44192		GCN #32867	GRB 221027B: Swift detection of a burst
1.7′′	225.62095	47.44205		GCN #32868	GRB 221027B: Enhanced Swift-XRT position
59.9′′	225.60100	47.45100		GCN #32892	GRB 221027B: 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
135.5	225.5950	47.4748	2MASX J15022274+4728288	G=21.546925, H=15.621, J=15.371, K=13.951, g=17.793, i=16.460, r=16.867, u=19.351, z=16.092

* 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
13.4	225.6196	47.4383		Mag=22.6	NED
13.4	225.6195	47.4382		R=21.8, g=22.5, i=21.6, u=23.1, z=21.3	SDSS
13.8	225.6194	47.4381		B2=21.9, R2=20.3	USNO-B1
15.1	225.6158	47.4439		Mag=21.9	NED
15.1	225.6160	47.4438		R=21.4, g=22.1, i=21.1, u=24.4, z=20.6	SDSS
16.7	225.6204	47.4464		Mag=21.8	NED
16.7	225.6204	47.4463		R=21.2, g=21.5, i=21.1, u=21.8, z=20.4	SDSS
16.7	225.6192	47.4373		B2=20.0, R1=20.3, R2=20.2	USNO-B1
17.5	225.6187	47.4372		R=21.3, g=21.8, i=21.3, u=22.7, z=20.8	SDSS
19.9	225.6271	47.4456		Mag=21.1	NED

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

There are 461 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
14.8	225.6161	47.4437	B1=21.1, B2=20.1, R2=20.4	USNO-B1
15.6	225.6191	47.4376	B2=21.2, R2=20.3	USNO-B1
20.5	225.6275	47.4456	B2=20.9, R1=19.9, R2=19.9	USNO-B1
40.7	225.6378	47.4394	B2=21.8, I=18.1, R2=20.2	USNO-B1
44.0	225.6376	47.4364	B2=21.9, I=18.1	USNO-B1
48.7	225.6014	47.4410	I=23.3, R=23.0, g=23.0, u=24.3, z=21.7	SDSS
52.0	225.6001	47.4432	B2=21.5, R2=19.9	USNO-B1
52.3	225.6375	47.4512	I=20.4, R=21.3, g=22.7, u=24.7, z=19.6	SDSS
54.9	225.6344	47.4292	I=22.2, R=22.5, g=23.4, u=22.9, z=21.6	SDSS
56.1	225.6329	47.4552	B1=20.6, B2=20.7, I=18.2, R1=19.1, R2=19.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 202 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.