Swift Trigger: 932608

Presumed name: GRB 191031D

BAT	18^h 53^m 06.00^s, +47° 38′ 20.4″
position:	(283.275, +47.639 ± 180″)
XRT	18^h 53^m 09.36^s, +47° 38′ 37.7″
position:	(283.2890, 47.6438 ± 2.3″)
UVOT	No position available.
Galactic N_HI:	5.23×10⁰ cm^-2
Galactic E(B-V):	0.071 mag

Best RA:	18^h 53^m 09.36^s	= 283.2890 d
Best Dec:	+47° 38′ 37.7″	= 47.6438 d

Gal Lat:	19.42
Gal Long:	77.34

Sun angle:	86.16°, -4.5 hr East of Sun

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 7 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 18 53 09.35 (47.6440)
- Dec (J2000): +47 38 38.2 ( 47.64544)
- Error (90%): 2.2
- Counts in Source: 51

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′′	283.28900	47.64380	GCN #26112	GRB 191031D: Swift detection of a short hard burst
1.5′′	283.28950	47.64406	GCN #26117	GRB 191031D: Enhanced Swift-XRT position
38.1′′	283.27500	47.63900	GCN #26113	Swift GRB191031.89: Global MASTER-Net observations report
48.7′′	283.26900	47.64500	GCN #26133	GRB 191031D: 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
58.9	283.3099	47.6521	KIC 10452495	G=14.5804, H=12.823, J=13.218, K=12.814
68.8	283.2967	47.6254	TYC 3544-1920-1	B=11.76, G=11.1393, H=9.755, J=10.044, K=9.697, V=11.03
77.1	283.3208	47.6431	KIC 10452513	G=13.6758, H=11.587, J=12.105, K=11.487
116.4	283.2523	47.6647	2MASS J18530054+4739526	G=14.8513, H=13.438, J=13.720, K=13.435
130.2	283.3281	47.6190	2MASS J18531873+4737085	G=14.5357, H=12.631, J=13.125, K=12.581
133.6	283.3431	47.6509	2MASS J18532233+4739032	G=13.1679, H=11.686, J=12.020, K=11.619
141.5	283.3461	47.6357	2MASS J18532306+4738084	G=15.7887, H=14.052, J=14.525, K=13.983
145.1	283.3260	47.6755	KIC 10452523	G=15.2052, H=13.337, J=13.769, K=13.320
152.7	283.3417	47.6206	2MASS J18532202+4737142	G=15.6373, H=14.027, J=14.431, K=13.972
159.6	283.2941	47.5996	KIC 10387524	G=12.1625, H=11.024, J=11.238, K=10.975

There are 14 SIMBAD objects within the position error. The full list is here.

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²
162.7	283.3559	47.6475	0.0367418 +/- 0.00246737	XMM-NEWTON
165.7	283.2558	47.6036	0.00969343 +/- 0.00112041	XMM-NEWTON
175.9	283.2454	47.6047	0.00667143 +/- 0.000926156	XMM-NEWTON
178.9	283.2705	47.6919	0.0170573 +/- 0.00213978	XMM-NEWTON

Queried the X-ray MASTER catalogue.

There are 4 X-ray sources within the position error. The full list is here.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
3.2	283.2875	47.6439		NED
12.2	283.2854	47.6464		NED
17.0	283.2930	47.6477	I=19.2, R2=20.6	USNO-B1
18.1	283.2958	47.6419		NED
21.2	283.2871	47.6381		NED
22.0	283.2942	47.6389		NED
25.6	283.2817	47.6386		NED
27.8	283.3005	47.6436	B1=21.3, B2=20.8, R2=20.6	USNO-B1
28.0	283.2944	47.6369	B2=21.9, R2=20.2	USNO-B1
29.0	283.3004	47.6461		NED

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

There are 308 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
17.8	283.2955	47.6415	B1=17.6, B2=16.6, I=15.4, R1=16.0, R2=15.9	USNO-B1
17.9	283.2955	47.6414	h=14.6, j=15.0, k=14.6	2MASS
29.1	283.2853	47.6515	h=14.9, j=15.7, k=14.9	2MASS
33.1	283.2758	47.6463	B1=17.1, B2=16.8, I=15.4, R1=16.0, R2=15.9	USNO-B1
33.7	283.2757	47.6464	h=14.7, j=15.3, k=14.7	2MASS
37.7	283.2794	47.6521	B1=19.4, B2=18.0, I=17.1, R1=17.5, R2=17.6	USNO-B1
37.7	283.2793	47.6520	h=15.8, j=16.4, k=16.0	2MASS
38.8	283.2856	47.6543	B1=18.4, B2=17.6, I=16.7, R1=17.1, R2=16.9	USNO-B1
38.9	283.2855	47.6543	h=15.9, j=16.2, k=16.4	2MASS
39.0	283.2996	47.6520	I=17.1, R2=18.8	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 222 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.