Swift Trigger: 1208389

Presumed name: GRB 240112C

BAT	18^h 02^m 34.56^s, +24° 29′ 13.2″
position:	(270.644, +24.487 ± 180″)
XRT	No position available.
UVOT	18^h 02^m 34.58^s, +24° 29′ 21.1″
position:	(270.6441, +24.4892 ± 0.8″)
Galactic N_HI:	9.38×10²⁰ cm^-2
Galactic E(B-V):	0.105 mag

Best RA:	18^h 02^m 34.58^s	= 270.6441 d
Best Dec:	+24° 29′ 21.1″	= +24.4892 d

Gal Lat:	21.12
Gal Long:	50.47

Sun angle:	51.21°, 1.5 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 1 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 18 02 34.14 ( 270.64225)
- Dec (J2000): +24 29 17.9 ( 24.48830)
- Error (90%): 4.725"
- Counts in Source: 25

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 UVOT 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
41.3	270.6550	24.4949	TYC 2095-1203-1	B=12.08, G=10.851501, H=8.813, J=9.306, K=8.65, V=11.25
109.2	270.6384	24.5191	IRAS 18004+2431
160.0	270.6172	24.5263	NVSS J180228+243134

There are 3 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
15.7	270.6400	24.4917		NED
19.3	270.6467	24.4939		NED
19.4	270.6396	24.4858		NED
23.1	270.6388	24.4933		NED
25.1	270.6446	24.4961		NED
28.3	270.6408	24.4964		NED
29.5	270.6408	24.4968	B2=21.2, I=18.7, R1=19.0, R2=19.8	USNO-B1
36.8	270.6519	24.4818	B=19.8, R=18.5	APM-N
37.2	270.6551	24.4917	I=17.4, R1=18.7, R2=18.4	USNO-B1
37.6	270.6550	24.4859	R1=19.3, R2=19.4	USNO-B1

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

There are 312 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
15.7	270.6402	24.4917	h=15.5, j=15.8, k=15.4	2MASS
15.9	270.6402	24.4918	B1=17.9, B2=17.8, I=16.1, R1=16.4, R2=16.8	USNO-B1
18.7	270.6399	24.4857	B1=17.6, B2=17.6, I=15.6, R1=16.4, R2=16.6	USNO-B1
18.8	270.6399	24.4857	h=15.2, j=15.6, k=15.2	2MASS
21.9	270.6470	24.4947	I=18.5, R1=19.4, R2=19.5	USNO-B1
23.8	270.6464	24.4955	B2=20.4, R2=19.8	USNO-B1
36.9	270.6519	24.4818	B1=19.4, B2=19.7, I=17.5, R1=18.4, R2=18.5	USNO-B1
41.3	270.6550	24.4949	B1=12.2, B2=11.7, I=10.4, R1=10.8, R2=10.7	USNO-B1
41.3	270.6550	24.4949	h=8.8, j=9.3, k=8.7	2MASS
46.8	270.6572	24.4840	B1=20.2, B2=20.5, R1=19.0, R2=19.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 270 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.