Swift Trigger: 998344

Presumed name: GRB 201001A

BAT	07^h 20^m 16.80^s, -02° 12′ 36.0″
position:	(110.070, -2.210 ± 180″)
XRT	07^h 20^m 19.32^s, -02° 12′ 37.8″
position:	(110.0805, -2.2105 ± 4.9″)
UVOT	No position available.
Galactic N_HI:	1.87×10⁰ cm^-2
Galactic E(B-V):	0.139 mag

Best RA:	07^h 20^m 19.32^s	= 110.0805 d
Best Dec:	-02° 12′ 37.8″	= -2.2105 d

Gal Lat:	5.41
Gal Long:	218.21

Sun angle:	77.55°, 5.2 hr West

¹Sper #5 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 7 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 07 20 19.38 (-2.2104)
- Dec (J2000): -02 12 37.4 ( -2.21027)
- Error (90%): 4.4
- Counts in Source: 13

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
0.6′′	110.08054	-2.21033	GCN #28539	GRB 201001A: Swift detection of a burst
2.3′′	110.08086	-2.21102	GCN #28540	GRB 201001A: Enhanced Swift-XRT position
110.1′′	110.05000	-2.21300	GCN #28545	GRB 201001A: Swift-BAT refined analysis

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
52.8	110.0859	-2.1968	TYC 4820-2214-1	B=12.51, G=12.0786, H=10.883, J=11.136, K=10.79, V=11.68
116.2	110.1038	-2.2329	TYC 4820-2062-1	B=11.73, G=10.2219, H=8.09, J=8.622, K=7.925, V=10.65
196.3	110.0785	-2.1560	TYC 4820-662-1	B=12.37, G=10.7018, H=7.923, J=8.653, K=7.719, V=11.03

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
10.9	110.0783	-2.2128		NED
19.9	110.0803	-2.2050	B2=19.5, I=17.9, R1=18.7, R2=19.2	USNO-B1
20.4	110.0804	-2.2047		NED
23.5	110.0787	-2.2167		NED
29.3	110.0863	-2.2047	B2=19.6, R2=19.5	USNO-B1
30.4	110.0850	-2.2175		NED
32.4	110.0850	-2.2028		NED
32.8	110.0763	-2.2025		NED
37.1	110.0908	-2.2094		NED
37.3	110.0846	-2.2011		NED

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

There are 369 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
7.8	110.0784	-2.2100	B1=20.5, B2=19.4, I=18.3, R1=18.6, R2=18.5	USNO-B1
10.9	110.0785	-2.2128	h=16.3, j=16.5, k=16.8	2MASS
11.3	110.0784	-2.2129	B1=18.1, B2=17.8, I=17.2, R1=17.4, R2=17.3	USNO-B1
20.4	110.0804	-2.2048	h=15.7, j=16.3, k=15.5	2MASS
23.5	110.0788	-2.2168	h=13.8, j=14.2, k=13.7	2MASS
23.6	110.0788	-2.2168	B1=17.4, B2=17.1, I=15.0, R1=15.6, R2=15.7	USNO-B1
23.7	110.0849	-2.2154	B1=20.2, B2=17.9, R2=17.4	USNO-B1
24.2	110.0829	-2.2168	B2=18.6, R2=18.7	USNO-B1
28.4	110.0878	-2.2074	B1=19.8, B2=19.0, I=18.2, R2=18.6	USNO-B1
28.8	110.0729	-2.2080	B1=18.4, B2=17.5, I=17.0, R1=17.2, R2=16.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 537 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.