Swift Trigger: 1516528

Presumed name: GRB 261010A

BAT	16^h 35^m 00.48^s, +26° 36′ 32.4″
position:	(248.752, +26.609 ± 180″)
XRT	16^h 34^m 59.94^s, +26° 34′ 53.4″
position:	(248.74976, 26.58149 ± 3.9″)
UVOT	No position available.
Galactic N_HI:	3.83×10²⁰ cm^-2
Galactic E(B-V):	0.058 mag

Best RA:	16^h 34^m 59.94^s	= 248.74976 d
Best Dec:	+26° 34′ 53.4″	= 26.58149 d

Gal Lat:	40.57
Gal Long:	45.83

Sun angle:	61.16°, -3.5 hr East of Sun

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 7 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 16 34 59.88 ( 248.74952)
- Dec (J2000): +26 34 53.2 ( 26.58144)
- Error (90%): 3.889"
- Counts in Source: 38

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

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 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
31.3	248.7401	26.5823	LEDA 1781464	G=19.001581, H=13.098, J=13.981, K=12.861, g=16.595, i=15.407, r=15.849, u=17.972, z=15.102
93.8	248.7762	26.5706	SDSS J163506.29+263414.2	G=20.502314, g=18.033, i=16.822, r=17.245, u=19.711, z=16.492
144.3	248.7610	26.5427	SDSS J163502.64+263233.6	G=19.429953, g=16.612, i=15.290, r=15.712, u=18.534, z=14.963
178.9	248.7727	26.6268	NSC J163505+263736

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*		Catalogue
7.8	248.7482	26.5831	R=22.1, g=22.6, i=20.8, u=23.7, z=20.5	SDSS
7.9	248.7482	26.5832	R=22.1, g=23.3, i=21.1, u=23.7, z=20.0	SDSS
21.7	248.7432	26.5827	R=22.7, g=24.0, i=23.1, u=24.4, z=23.1	SDSS
23.6	248.7481	26.5751	R=22.8, g=23.2, i=23.2, u=23.8, z=22.8	SDSS
26.3	248.7459	26.5750	I=19.0, R1=18.2	USNO-B1
29.8	248.7417	26.5855	R=22.6, g=25.2, i=21.0, u=23.3, z=20.2	SDSS
29.8	248.7416	26.5855	R=22.0, g=23.7, i=20.5, u=23.2, z=19.9	SDSS
30.7	248.7448	26.5888	R=23.5, g=23.8, i=22.1, u=24.2, z=22.7	SDSS
31.1	248.7401	26.5823	R=15.8, g=16.6, i=15.4, u=18.0, z=15.1	SDSS
31.2	248.7401	26.5823	R=15.8, g=16.6, i=15.4, u=18.0, z=15.1	SDSS

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

There are 407 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
15.9	248.7460	26.5786	I=21.1, R=21.4, g=22.2, u=24.4, z=21.2	SDSS
16.0	248.7460	26.5786	I=21.2, R=21.4, g=22.2, u=23.4, z=20.9	SDSS
24.6	248.7485	26.5882	h=16.0, j=16.5, k=17.4	2MASS
25.1	248.7484	26.5884	I=17.7, R=17.9, g=18.2, u=19.2, z=17.6	SDSS
25.1	248.7485	26.5884	I=17.7, R=17.9, g=18.2, u=19.2, z=17.6	SDSS
25.3	248.7464	26.5752	I=20.7, R=21.9, g=23.6, u=25.8, z=19.9	SDSS
25.3	248.7464	26.5752	I=20.7, R=21.9, g=23.3, u=24.6, z=20.0	SDSS
25.4	248.7485	26.5885	B1=18.1, B2=18.8, I=17.4, R1=17.5, R2=17.6	USNO-B1
26.0	248.7512	26.5886	I=21.1, R=22.4, g=23.7, u=24.6, z=20.3	SDSS
26.1	248.7513	26.5886	I=21.2, R=22.5, g=24.5, u=23.5, z=20.2	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 499 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.