Swift Trigger: 676595

Presumed name: GRB 160228A

BAT	07^h 09^m 17.28^s, +26° 57′ 21.6″
position:	(107.322, 26.956 ± 180″)
XRT	07^h 09^m 15.91^s, +26° 55′ 54.1″
position:	(107.3163, 26.9317 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	7.30×10⁰ cm^-2
Galactic E(B-V):	0.065 mag

Best RA:	07^h 09^m 15.91^s	= 107.3163 d
Best Dec:	+26° 55′ 54.1″	= 26.9317 d

Gal Lat:	15.56
Gal Long:	190.25

Sun angle:	125.98°, -8.4 hr East of Sun

¹Sper #3 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

u image

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 5 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 07 09 15.90 (26.9316)
- Dec (J2000): +26 55 53.8 ( 26.93103)
- Error (90%): 2.1
- Counts in Source: 121

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
0.2′′	107.31625	26.93167	GCN #19108	GRB 160228A: Prompt enhanced Swift-XRT position
0.2′′	107.31636	26.93173	GCN #19110	GRB 160228A: Enhanced Swift-XRT position
2.7′′	107.31671	26.93103	GCN #19107	GRB 160228A: Swift detection of a burst
5.2′′	107.31621	26.93314	GCN #19119	GRB 160228A: RATIR Optical and NIR Observations
54.1′′	107.31083	26.94592	GCN #19113	GRB 160228A: 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
161.5	107.3500	26.9650	1RXS J070924.0+265754

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²	Observatory	Query
161.5	107.3500	26.9650	0.01636 +/- 0.007646	ROSAT

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
24.5	107.3209	26.9371	B1=21.0, I=18.3, R2=19.2	USNO-B1
31.2	107.3066	26.9322	B1=21.0, B2=21.7	USNO-B1
32.4	107.3264	26.9319	B1=20.8, B2=21.5, I=17.9, R1=19.2, R2=19.4	USNO-B1
36.0	107.3077	26.9381	B1=20.8, B2=18.9, R2=19.6	USNO-B1
37.9	107.3123	26.9218	B1=20.8, B2=21.1, I=18.6, R2=18.7	USNO-B1
38.1	107.3250	26.9247		NED
38.2	107.3113	26.9222		NED
38.8	107.3111	26.9220	B1=16.5, B2=16.3, I=15.2, R1=15.8, R2=15.7	USNO-B1
45.1	107.3299	26.9287	I=18.8, R1=23.0	USNO-B1
60.5	107.2976	26.9333	B1=21.0, R1=19.8	USNO-B1

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

There are 95 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
11.9	107.3137	26.9341	B1=20.1, B2=19.9, I=17.2, R1=18.1, R2=18.0	USNO-B1
13.6	107.3154	26.9354	B1=21.0, I=18.6	USNO-B1
14.9	107.3185	26.9353	B2=20.6, I=17.2, R1=18.6, R2=18.6	USNO-B1
14.9	107.3185	26.9353	h=15.1, j=15.6, k=15.0	2MASS
23.2	107.3205	26.9369	I=18.5, R1=19.3, R2=19.3	USNO-B1
24.8	107.3213	26.9370	B1=20.8, B2=20.5, I=17.7, R2=18.2	USNO-B1
26.7	107.3222	26.9370	B1=20.2, B2=20.2, I=17.4, R1=18.4, R2=18.6	USNO-B1
26.9	107.3222	26.9370	h=15.6, j=16.2, k=15.4	2MASS
28.1	107.3227	26.9370	B1=21.0, R2=17.9	USNO-B1
32.1	107.3263	26.9318	h=15.6, j=16.3, k=15.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 234 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.