Swift Trigger: 1273106

Presumed name: GRB 241209D

BAT	12^h 40^m 26.64^s, -02° 52′ 44.4″
position:	(190.111, -2.879 ± 180″)
XRT	12^h 40^m 27.29^s, -02° 53′ 24.4″
position:	(190.1137, -2.8901 ± 5.0″)
UVOT	No position available.
Galactic N_HI:	2.06×10²⁰ cm^-2
Galactic E(B-V):	0.032 mag

Best RA:	12^h 40^m 27.29^s	= 190.1137 d
Best Dec:	-02° 53′ 24.4″	= -2.8901 d

Gal Lat:	59.86
Gal Long:	297.46

Sun angle:	67.10°, 4.4 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 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
99.8	190.1253	-2.8649	2dFGRS TGN185Z008	B=18.906, R=18.278
169.2	190.1008	-2.9353	2dFGRS TGN186Z080	B=18.860, R=18.058
179.9	190.0802	-2.8530	SDSS J124019.25-025110.6	G=20.105555, g=20.7149, i=20.2951, r=20.4979, u=21.1255, z=19.7817
191.9	190.1183	-2.9432	[SPD2011] 30963

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
145.9	190.1129	-2.8496	0.1027646139 +/- 0.03399536386	SRG-EROSIT

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*	Redshift		Catalogue
10.1	190.1112	-2.8917	-0.003789	Mag=21.7	NED
11.8	190.1128	-2.8933		B=22.1	SSS
13.1	190.1125	-2.8936		Mag=22.0	NED
16.1	190.1154	-2.8861			NED
16.9	190.1167	-2.8864		Mag=23.6	NED
17.0	190.1092	-2.8892			NED
21.6	190.1077	-2.8895		B=21.0, R=19.6	APM-N
22.7	190.1075	-2.8897		Mag=20.3	NED
28.7	190.1108	-2.8975		Mag=23.6	NED
31.3	190.1053	-2.8877		R=21.5, g=22.9, i=21.2, u=22.9, z=20.1	SDSS

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

There are 561 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
10.0	190.1113	-2.8916	I=21.3, R=21.5, g=21.6, u=22.7, z=20.9	SDSS
13.1	190.1126	-2.8936	I=21.1, R=21.4, g=22.0, u=23.8, z=21.1	SDSS
16.9	190.1167	-2.8865	I=21.5, R=21.9, g=23.6, u=25.8, z=21.4	SDSS
22.7	190.1074	-2.8897	I=19.6, R=19.8, g=20.3, u=21.3, z=19.5	SDSS
23.3	190.1072	-2.8897	B1=20.4, B2=20.8, I=18.9, R1=19.4, R2=19.5	USNO-B1
28.8	190.1107	-2.8975	I=21.1, R=21.8, g=23.6, u=25.3, z=20.6	SDSS
43.0	190.1168	-2.8785	B1=20.6, B2=21.3	USNO-B1
52.2	190.1254	-2.8815	I=20.1, R=20.4, g=21.4, u=25.6, z=19.7	SDSS
52.4	190.1256	-2.8816	B2=21.1, R1=19.4, R2=20.1	USNO-B1
53.9	190.0999	-2.8842	B1=19.6, B2=19.8, R1=19.3, R2=19.5	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 194 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.