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Home > GRB region information > 1164980

Swift Trigger: 1164980

Presumed name: GRB 230420A

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

BAT	10h 44m 03.12s, +32° 05′ 13.2″
position:	(161.013, 32.087 ± 180″)
XRT	10h 44m 11.67s, +32° 06′ 28.0″
position:	(161.04864, 32.10777 ± 1.9″)
UVOT	No position available.
Galactic NHI:	1.61×1020 cm-2
Galactic E(B-V):	0.020 mag

Best RA:	10h 44m 11.67s	= 161.04864 d
Best Dec:	+32° 06′ 28.0″	= 32.10777 d
Gal Lat:	62.01
Gal Long:	194.96
Sun angle:	117.71°, -8.9 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 7 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 10 44 11.70 (32.10774)
  • Dec (J2000): +32 06 27.9 ( 32.10743)
  • Error (90%): 1.9
  • Counts in Source: 156

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
9.4	161.0512	32.1092			NED
12.6	161.0487	32.1042		Mag=23.5	NED
12.6	161.0490	32.1043		R=22.2, g=23.7, i=21.7, u=24.2, z=22.0	SDSS
23.6	161.0542	32.1031		Mag=23.1	NED
23.7	161.0541	32.1031		R=22.1, g=22.8, i=22.4, u=23.7, z=21.6	SDSS
29.1	161.0446	32.1003		Mag=23.3	NED
29.1	161.0447	32.1004		R=22.3, g=23.3, i=21.9, u=22.9, z=21.1	SDSS
33.3	161.0422	32.1152		R=21.1, g=22.9, i=20.0, u=26.1, z=19.4	SDSS
33.3	161.0421	32.1153	0.607709	Mag=22.7	NED
34.3	161.0583	32.1028			NED

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

There are 481 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
50.9	161.0528	32.1215	I=25.0, R=25.1, g=23.6, u=24.1, z=22.4	SDSS
57.1	161.0340	32.1177	B1=20.7, R1=20.1	USNO-B1
58.2	161.0482	32.0916	I=21.9, R=22.1, g=22.4, u=22.8, z=21.8	SDSS
58.4	161.0513	32.0917	B1=20.6, B2=20.3, I=18.9, R1=19.4, R2=19.0	USNO-B1
58.6	161.0651	32.0993	I=20.5, R=21.3, g=22.7, u=24.7, z=20.0	SDSS
60.2	161.0290	32.1093	I=22.3, R=23.0, g=24.5, u=24.4, z=21.5	SDSS
67.5	161.0646	32.1208	I=24.3, R=23.8, g=25.9, u=24.3, z=20.8	SDSS
67.5	161.0497	32.1265	I=22.3, R=25.1, g=25.5, u=25.6, z=23.6	SDSS
70.8	161.0262	32.1129	B1=20.4, B2=20.8	USNO-B1
72.2	161.0432	32.0882	B2=20.3, I=18.6, R1=19.4, R2=18.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 149 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.