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Swift Trigger: 927825

Presumed name: GRB 191004A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	02h 06m 53.04s, -36° 55′ 55.2″
position:	(31.721, -36.932 ± 180″)
XRT	02h 06m 40.68s, -36° 56′ 01.2″
position:	(31.66950, -36.93368 ± 3.6″)
UVOT	No position available.
Galactic NHI:	1.46×100 cm-2
Galactic E(B-V):	0.015 mag

Best RA:	02h 06m 40.68s	= 31.66950 d
Best Dec:	-36° 56′ 01.2″	= -36.93368 d
Gal Lat:	-71.33
Gal Long:	249.3
Sun angle:	134.06°, 10.6 hr West

¹Sper #4 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 7 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 02 06 40.68 ( 31.66948)
  • Dec (J2000): -36 56 00.5 ( -36.93346)
  • Error (90%): 3.539"
  • Counts in Source: 807

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.0′′	31.66950	-36.93368		GCN #25945	GRB 191004A: Swift detection of a burst with an optical detection
2.0′′	31.66886	-36.93345		GCN #25944	Swift GRB191004.75: Global MASTER-Net OT detection
3.9′′	31.66842	-36.93303		GCN #25950	GRB 191004A: Enhanced Swift-XRT position
133.5′′	31.71583	-36.93167		GCN #25953	GRB 191004A: Swift-BAT refined analysis

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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
76.7	31.6881	-36.9490	6dFGS gJ020645.1-365657	B=16.75, H=13.087, J=13.701, K=12.830, R=15.62

* 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*	Redshift		Catalogue	Query
35.7	31.6716	-36.9239		B2=21.0, R2=24.3	USNO-B1
39.0	31.6642	-36.9237		B=21.7, R2=20.4	SSS
63.4	31.6552	-36.9203		B=22.2, R2=21.2	SSS
64.5	31.6553	-36.9475		B2=21.1, I=18.7, R1=25.3, R2=25.0	USNO-B1
64.8	31.6553	-36.9476		B=21.2, R2=19.2	SSS
66.6	31.6859	-36.9467		I=18.7, R2=24.9	USNO-B1
68.0	31.6867	-36.9466		I=18.7, R2=25.3	USNO-B1
73.4	31.6508	-36.9476		B2=19.5, R2=21.3	USNO-B1
74.0	31.6507	-36.9477		B=20.2, R2=19.2	SSS
74.1	31.6442	-36.9375		B=21.2, R2=19.4	SSS

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

There are 94 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	Query
39.9	31.6644	-36.9234	B2=21.0, I=17.9, R2=24.4	USNO-B1
48.0	31.6856	-36.9303	B2=20.7, R1=25.2, R2=24.3	USNO-B1
68.7	31.6880	-36.9458	B2=20.8, I=18.6, R1=25.3	USNO-B1
74.1	31.6878	-36.9482	B2=14.2, R1=23.3, R2=18.9	USNO-B1
74.5	31.6506	-36.9478	B2=20.5, R2=24.4	USNO-B1
74.5	31.6441	-36.9376	B2=21.0, R2=24.2	USNO-B1
75.6	31.6562	-36.9518	B2=21.4, R1=25.4	USNO-B1
76.3	31.6879	-36.9490	h=14.3, j=15.0, k=13.7	2MASS
76.4	31.6960	-36.9338	h=16.0, j=16.6, k=15.6	2MASS
76.5	31.6556	-36.9518	B2=20.4, I=18.7, R1=25.4, R2=25.3	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 89 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.