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Home > GRB region information > 927839

Swift Trigger: 927839

Presumed name: GRB 191004B

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

BAT	03h 16m 42.48s, -39° 36′ 46.8″
position:	(49.177, -39.613 ± 180″)
XRT	03h 16m 48.97s, -39° 38′ 05.8″
position:	(49.20403, -39.63494 ± 3.9″)
UVOT	03h 16m 49.08s, -39° 38′ 03.1″
position:	(49.2045, -39.6342 ± 0.6″)
Galactic NHI:	1.83×100 cm-2
Galactic E(B-V):	0.017 mag

Best RA:	03h 16m 49.08s	= 49.2045 d
Best Dec:	-39° 38′ 03.1″	= -39.6342 d
Gal Lat:	-57.45
Gal Long:	244.9
Sun angle:	123.25°, 9.4 hr West

¹Sper #1 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 2 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 03 16 48.93 ( 49.20387)
  • Dec (J2000): -39 38 05.4 ( -39.63484)
  • Error (90%): 3.718"
  • Counts in Source: 212

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
0.3′′	49.20458	-39.63425		GCN #25947	GRB 191004B: Swift detection of a burst with an optical counterpart
0.8′′	49.20458	-39.63442		GCN #25978	GRB 191004B: Swift/UVOT Detection
1.1′′	49.20476	-39.63443		GCN #25948	Swift GRB191004.9: Global MASTER-Net OT detection
3.3′′	49.20398	-39.63502		GCN #25951	GRB 191004B: Enhanced Swift-XRT position
16.0′′	49.20000	-39.63700		GCN #25955	GRB 191004B: Swift-BAT refined analysis
65.0′′	49.22662	-39.62819		GCN #25954	GRB 191004B: NOT optical photometry

There are 12 matches in total. See the full table for details.

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Catalogue Searches. Searched 3.33′ around UVOT 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
90.9	49.1722	-39.6299	2MASX J03164132-3937477	B=16.70, H=12.643, J=13.552, K=12.284, R=15.50

* 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
22.0	49.2039	-39.6281		B2=20.2, R1=19.5, R2=19.9	USNO-B1
22.4	49.2028	-39.6281		B2=21.0, I=18.7, R1=19.7	USNO-B1
23.5	49.2075	-39.6281			NED
24.0	49.2077	-39.6280		B2=14.1, I=12.0, R1=12.5, R2=12.7	USNO-B1
33.5	49.2160	-39.6369		B2=23.0, R2=20.6	USNO-B1
44.2	49.2203	-39.6358		B=22.4	SSS
50.2	49.1871	-39.6383			NED
53.6	49.2096	-39.6198		B2=21.1, R1=19.6	USNO-B1
60.3	49.1836	-39.6296		B=22.5	SSS
62.5	49.2242	-39.6258		Mag=18.7	NED

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

There are 93 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
16.5	49.2030	-39.6298	B2=21.2, R1=20.6, R2=19.8	USNO-B1
18.9	49.2031	-39.6291	B2=20.5, I=18.6, R1=20.7, R2=20.5	USNO-B1
19.1	49.1979	-39.6357	R1=20.8, R2=19.9	USNO-B1
20.1	49.1999	-39.6299	B2=21.3, R1=20.6	USNO-B1
23.8	49.2077	-39.6281	h=11.3, j=11.7, k=11.2	2MASS
27.6	49.2113	-39.6286	B2=20.9, R1=20.3, R2=19.9	USNO-B1
28.6	49.2098	-39.6274	B2=20.1, R2=18.4	USNO-B1
29.6	49.2114	-39.6279	B2=21.1, R2=19.9	USNO-B1
40.0	49.2104	-39.6241	B2=21.2, R1=20.9	USNO-B1
43.8	49.2202	-39.6356	B2=21.3, R1=20.9, R2=20.2	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.