Swift Trigger: 1167973

Presumed name: GRB 230510A

BAT	21^h 12^m 37.44^s, +34° 26′ 34.8″
position:	(318.156, +34.443 ± 180″)
XRT	21^h 12^m 31.54^s, +34° 26′ 32.6″
position:	(318.1314, 34.4424 ± 6.5″)
UVOT	No position available.
Galactic N_HI:	1.30×10²¹ cm^-2
Galactic E(B-V):	0.142 mag

Best RA:	21^h 12^m 31.54^s	= 318.1314 d
Best Dec:	+34° 26′ 32.6″	= 34.4424 d

Gal Lat:	-9.57
Gal Long:	79.89

Sun angle:	79.11°, 5.9 hr West

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

No UVOT images are currently available.

XRT SPER data

SPER results page for this trigger.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query

Catalogue Searches. Searched 200′ around BAT 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
89.8	318.1832	34.4321	TYC 2710-517-1	B=11.30, G=10.018748, H=7.884, J=8.406, K=7.800, V=10.37
120.0	318.1677	34.4749	TYC 2710-2477-1	B=11.66, G=10.954816, H=9.658, J=9.945, K=9.601, V=11.18

* 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*		Catalogue
2.6	318.1558	34.4436		NED
2.8	318.1561	34.4438	B1=13.9, B2=14.0, I=12.2, R1=12.6, R2=12.8	USNO-B1
11.7	318.1526	34.4447	B1=19.9, B2=20.1, I=18.1, R1=18.1, R2=17.9	USNO-B1
16.2	318.1614	34.4426	I=17.5, R1=18.7	USNO-B1
16.3	318.1612	34.4425		NED
16.4	318.1612	34.4431		NED
16.7	318.1616	34.4432	B1=17.9, B2=18.4, I=16.7, R1=16.9, R2=17.0	USNO-B1
19.0	318.1533	34.4383		NED
24.4	318.1629	34.4394		NED
25.7	318.1598	34.4366	B1=20.1, B2=20.3, R2=19.1	USNO-B1

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

There are 659 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
2.6	318.1560	34.4437	h=12.1, j=12.3, k=12.0	2MASS
16.4	318.1615	34.4431	h=16.6, j=16.6, k=15.8	2MASS
18.3	318.1508	34.4457	B1=20.3, B2=20.3, R1=18.2, R2=18.6	USNO-B1
18.9	318.1533	34.4382	h=16.0, j=16.5, k=15.2	2MASS
19.0	318.1531	34.4383	B1=17.8, B2=18.2, I=16.0, R1=16.4, R2=16.6	USNO-B1
31.8	318.1454	34.4416	B1=19.4, B2=19.7, I=18.2, R1=18.2, R2=18.1	USNO-B1
34.1	318.1446	34.4443	h=14.1, j=14.5, k=14.0	2MASS
35.9	318.1471	34.4363	h=16.3, j=16.8, k=17.1	2MASS
37.8	318.1687	34.4440	h=16.0, j=16.4, k=15.3	2MASS
38.0	318.1529	34.4327	B1=20.3, B2=20.1, I=17.7, R1=17.8, R2=18.0	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 367 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.