Swift Trigger: 887217

Presumed name: GRB 190202A

BAT	11^h 06^m 02.88^s, +09° 23′ 16.8″
position:	(166.512, 9.388 ± 180″)
XRT	11^h 06^m 00.33^s, +09° 22′ 34.1″
position:	(166.50138, 9.37613 ± 3.7″)
UVOT	11^h 06^m 00.62^s, +09° 22′ 36.5″
position:	(166.5026, +9.3768 ± 0.7″)
Galactic N_HI:	2.22×10⁰ cm^-2
Galactic E(B-V):	0.025 mag

Best RA:	11^h 06^m 00.62^s	= 166.5026 d
Best Dec:	+09° 22′ 36.5″	= +9.3768 d

Gal Lat:	59.44
Gal Long:	243.44

Sun angle:	148.53°, 9.9 hr West

¹Sper #2 auto processing.

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 2 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 11 06 00.33 ( 166.50138)
- Dec (J2000): +09 22 34.1 ( 9.37613)
- Error (90%): 3.714"
- Counts in Source: 208

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	Source	Misc
0.1′′	166.50262	9.37683	GCN #23830	GRB 190202A: Swift detection of a burst with an optical counterpart
0.2′′	166.50262	9.37686	GCN #23834	GRB 190202A: Swift/UVOT Detection
0.5′′	166.50250	9.37672	GCN #23831	GRB 190202A: Koshka Zeiss-1000 optical observations
1.0′′	166.50234	9.37689	GCN #23832	GRB 190202A: Enhanced Swift-XRT position
58.6′′	166.50583	9.39275	GCN #23836	GRB 190202A� Swift-BAT refined analysis

There are 11 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ 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		Query

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²	Observatory	Query
74.7	166.5130	9.3934	0 +/- 0	ROSAT
74.7	166.5130	9.3934	0.0217 +/- 0.0096	ROSAT

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
15.2	166.5035	9.3724	R=20.8, g=21.3, i=20.7, u=22.5, z=20.5	SDSS
16.0	166.5033	9.3725	Mag=21.5	NED
19.2	166.4978	9.3801	R=19.0, g=20.0, i=18.6, u=23.1, z=18.2	SDSS
19.8	166.4977	9.3803	B=21.2, R=18.9	APM-N
20.8	166.4979	9.3800	Mag=20.0	NED
20.9	166.4992	9.3817	Mag=23.1	NED
24.6	166.4961	9.3806	R=21.2, g=23.2, i=20.3, u=22.8, z=20.1	SDSS
26.7	166.4963	9.3806	Mag=22.3	NED
28.0	166.5062	9.3823	R=22.1, g=22.7, i=21.8, u=22.9, z=21.9	SDSS
31.3	166.5047	9.3842	R=22.4, g=22.9, i=20.9, u=21.8, z=22.4	SDSS

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

There are 278 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
19.0	166.4978	9.3800	B1=20.3, B2=20.2, I=18.7, R1=18.8, R2=19.1	USNO-B1
21.0	166.4993	9.3816	I=21.7, R=21.7, g=22.9, u=23.1, z=21.3	SDSS
47.5	166.5052	9.3888	I=21.0, R=21.8, g=23.1, u=25.0, z=20.9	SDSS
59.9	166.5046	9.3925	I=14.6, R=14.7, g=15.3, u=16.8, z=14.5	SDSS
60.0	166.5046	9.3925	h=13.2, j=13.6, k=13.1	2MASS
60.2	166.5046	9.3925	B1=15.3, B2=15.7, I=14.2, R1=14.3, R2=14.3	USNO-B1
62.1	166.5155	9.3659	I=20.0, R=21.0, g=22.4, u=23.8, z=19.8	SDSS
63.5	166.4946	9.3598	I=23.2, R=23.5, g=25.5, u=23.5, z=20.2	SDSS
69.8	166.4961	9.3574	I=22.7, R=23.0, g=23.1, u=24.1, z=21.7	SDSS
72.7	166.4984	9.3961	I=18.3, R=19.3, g=20.8, u=23.7, z=17.8	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 114 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.