Swift Trigger: 952791

Presumed name: GRB 200127A

BAT	19^h 40^m 48.96^s, +44° 54′ 36.0″
position:	(295.204, +44.910 ± 180″)
XRT	19^h 40^m 46.67^s, +44° 54′ 01.1″
position:	(295.19447, 44.90030 ± 3.5″)
UVOT	No position available.
Galactic N_HI:	1.40×10⁰ cm^-2
Galactic E(B-V):	0.180 mag

Best RA:	19^h 40^m 46.67^s	= 295.19447 d
Best Dec:	+44° 54′ 01.1″	= 44.90030 d

Gal Lat:	10.79
Gal Long:	78.15

Sun angle:	64.75°, 0.9 hr West

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

No UVOT images are currently available.

XRT SPER data

SPER results page for this trigger.

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

- Object 1
- RA (J2000) : 19 40 46.59 ( 295.19411)
- Dec (J2000): +44 54 01.3 ( 44.90036)
- Error (90%): 3.500"
- Counts in Source: 161

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
0.0′′	295.19447	44.90030	GCN #26895	GRB 200127A: Swift detection of a burst
3.4′′	295.19333	44.90078	GCN #26901	GRB 200127A: Swift-XRT refined Analysis
3.7′′	295.19300	44.90029	GCN #26902	GRB 200127A: Enhanced Swift-XRT position
42.5′′	295.20400	44.91000	GCN #26896	Swift GRB200127.61: Global MASTER-Net observations report
124.8′′	295.20600	44.93400	GCN #26939	GRB 200127A: 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
141.8	295.1605	44.8691	TYC 3148-1391-1	B=11.79, G=10.5298, H=8.574, J=9.011, K=8.454, V=10.97
169.0	295.1921	44.9472	KIC 8762540	G=12.2033, H=10.057, J=10.592, K=9.940
184.3	295.1589	44.9448	TYC 3148-1463-1	B=10.84, G=10.4879, H=10.035, J=10.092, K=10.001, V=10.53

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
9.5	295.1938	44.9031		NED
10.3	295.1911	44.9018	B1=20.3, B2=20.3, R2=19.7	USNO-B1
12.6	295.1895	44.9007	B1=18.9, B2=18.6, I=17.1, R1=17.1, R2=17.4	USNO-B1
12.7	295.1896	44.9006		NED
13.8	295.1967	44.8969		NED
13.9	295.1971	44.8969	B1=18.1, B2=17.8, I=15.9, R1=16.4, R2=16.2	USNO-B1
14.4	295.1971	44.8969		NED
15.7	295.1988	44.8972		NED
20.2	295.1933	44.8947		NED
20.4	295.1934	44.8947	B1=17.1, B2=16.8, I=15.4, R1=15.7, R2=15.6	USNO-B1

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

There are 465 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
12.7	295.1895	44.9006	h=15.8, j=16.1, k=15.3	2MASS
13.8	295.1969	44.8969	h=15.0, j=15.6, k=14.7	2MASS
13.9	295.1975	44.8971	I=17.2, R1=18.5, R2=19.0	USNO-B1
15.6	295.1987	44.8971	h=15.4, j=16.7, k=15.2	2MASS
20.0	295.1963	44.9057	B1=20.6, B2=20.3, I=18.4, R2=19.1	USNO-B1
20.2	295.1936	44.8947	h=14.2, j=14.8, k=14.2	2MASS
22.3	295.1914	44.8945	B1=20.1, B2=19.4, I=17.0, R1=18.3, R2=17.8	USNO-B1
22.9	295.1950	44.9066	B1=20.3, B2=19.9, I=18.1, R1=18.7, R2=18.4	USNO-B1
23.1	295.2019	44.9040	h=16.3, j=16.8, k=16.2	2MASS
24.1	295.1858	44.9030	h=15.3, j=15.8, k=15.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 414 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.