Swift Trigger: 1324646

Presumed name: GRB 250615A

BAT	19^h 21^m 22.56^s, +04° 40′ 19.2″
position:	(290.344, +4.672 ± 180″)
XRT	19^h 21^m 32.56^s, +04° 41′ 07.0″
position:	(290.38565, 4.68527 ± 2.0″)
UVOT	No position available.
Galactic N_HI:	4.06×10²¹ cm^-2
Galactic E(B-V):	1.083 mag

Best RA:	19^h 21^m 32.56^s	= 290.38565 d
Best Dec:	+04° 41′ 07.0″	= 4.68527 d

Gal Lat:	-4.53
Gal Long:	40.55

Sun angle:	142.14°, 10.3 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.

There are 9 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 19 21 32.53 (4.68527)
- Dec (J2000): +04 41 07.0 ( 4.68459)
- Error (90%): 2.0
- Counts in Source: 346

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
16.1	290.3828	4.6888	2MASS J19213188+0441195	G=17.426109, H=13.713, J=14.478, K=13.331
60.4	290.4014	4.6913	TYC 472-2811-1	B=12.38, G=11.094893, H=9.091, J=9.606, K=9.045, V=11.27
91.2	290.3633	4.6732	Gaia DR3 4292808237419259264	G=19.378960
93.1	290.4112	4.6808	ZTF J192138.68+044050.9	G=18.326134, g=19.749, r=18.357
94.6	290.3888	4.7114	ZTF J192133.30+044240.7	G=13.540000, H=8.698, J=9.767, K=8.292, g=16.637, r=14.335
123.6	290.3514	4.6813	TYC 472-1283-1	B=11.72, G=9.438513, H=6.449, J=7.128, K=6.248, V=10.01
131.7	290.4224	4.6849	Gaia DR3 4292808473640459264	G=18.978605
140.3	290.4019	4.7207	ATO J290.4018+04.7207	G=14.833982, H=9.906, J=11.053, K=9.561, R=16.126, g=17.899, r=15.521

There are 8 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
16.1	290.3829	4.6889		NED
17.2	290.3813	4.6878		NED
19.3	290.3816	4.6817	B1=17.1, B2=17.9, I=13.9, R1=15.0, R2=15.2	USNO-B1
19.4	290.3817	4.6817		NED
20.0	290.3908	4.6875	B2=19.0, I=16.8, R1=17.6, R2=17.8	USNO-B1
20.0	290.3908	4.6875		NED
20.9	290.3913	4.6847		NED
21.5	290.3912	4.6831	B1=20.5, B2=19.0, R1=18.6	USNO-B1
24.4	290.3796	4.6819		NED
25.9	290.3783	4.6858		NED

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

There are 1047 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
16.1	290.3829	4.6888	h=13.7, j=14.5, k=13.3	2MASS
16.2	290.3828	4.6887	B1=18.2, B2=18.8, I=15.9, R1=16.5, R2=16.6	USNO-B1
17.2	290.3815	4.6876	h=13.6, j=14.1, k=13.5	2MASS
17.4	290.3815	4.6877	B1=17.3, B2=18.1, I=15.2, R1=15.9, R2=15.9	USNO-B1
19.3	290.3816	4.6817	h=11.4, j=12.2, k=11.1	2MASS
20.0	290.3908	4.6875	h=14.5, j=15.6, k=14.4	2MASS
24.2	290.3798	4.6820	B2=18.9, I=16.5, R1=17.1	USNO-B1
24.4	290.3798	4.6819	h=14.7, j=15.4, k=14.5	2MASS
25.9	290.3785	4.6858	B2=18.8, I=16.5, R1=17.0	USNO-B1
25.9	290.3784	4.6857	h=14.1, j=14.8, k=13.7	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 668 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.