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Home > GRB region information > 863421

Swift Trigger: 863421

Presumed name: GRB 180925A

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

BAT	21h 00m 51.12s, -64° 26′ 34.8″
position:	(315.213, -64.443 ± 180″)
XRT	21h 00m 48.96s, -64° 27′ 24.1″
position:	(315.2040, -64.4567 ± 2.2″)
UVOT	No position available.
Galactic NHI:	2.93×100 cm-2
Galactic E(B-V):	0.036 mag

Best RA:	21h 00m 48.96s	= 315.2040 d
Best Dec:	-64° 27′ 24.1″	= -64.4567 d
Gal Lat:	-38.08
Gal Long:	330.5
Sun angle:	106.33°, -8.9 hr East of Sun

¹Sper #9 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 11 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 21 00 48.92 (-64.4569)
  • Dec (J2000): -64 27 24.9 ( -64.45701)
  • Error (90%): 2.2
  • Counts in Source: 94

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
0.8′′	315.20380	-64.45690		GCN #23270	GRB 180925A: Prompt enhanced Swift-XRT position
1.8′′	315.20292	-64.45689		GCN #23274	GRB 180925A: Swift/UVOT Detection
3.1′′	315.20546	-64.45727		GCN #23268	GRB 180925A: Swift detection of a burst
5.1′′	315.20075	-64.45689		GCN #23271	GRB 180925A: Enhanced Swift-XRT position
27.1′′	315.21200	-64.45000		GCN #23273	GRB 180925A: Swift-BAT refined analysis

There are 11 matches in total. See the full table for details.

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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
32.4	315.1979	-64.4653	LEDA 322437

* 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
6.2	315.2079	-64.4563		B=21.1, R2=20.4	SSS
8.8	315.2058	-64.4589			NED
11.1	315.2065	-64.4596		B=19.2, R2=18.6	SSS
16.2	315.2113	-64.4599		B=19.6, R2=18.2, i=18.1	SSS
16.7	315.2112	-64.4600			NED
18.4	315.1937	-64.4594			NED
21.5	315.2104	-64.4620		B=22.1	SSS
22.2	315.2047	-64.4505		B=21.7	SSS
28.6	315.2104	-64.4642			NED
29.5	315.2109	-64.4643		B=18.6, R2=16.9, i=15.1	SSS

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

There are 136 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
11.0	315.2065	-64.4596	B2=18.1, I=18.3, R1=19.0, R2=18.3	USNO-B1
14.6	315.2100	-64.4598	B2=18.6, I=18.7, R2=18.1	USNO-B1
16.0	315.1954	-64.4591	B2=14.2, I=12.1, R2=19.6	USNO-B1
16.3	315.2113	-64.4599	B2=19.0, I=18.4, R1=18.3, R2=18.2	USNO-B1
16.5	315.1938	-64.4580	B2=19.8, I=12.2, R2=13.2	USNO-B1
16.7	315.2115	-64.4600	h=17.3, j=16.7, k=15.7	2MASS
18.1	315.1940	-64.4593	h=11.5, j=12.0, k=11.5	2MASS
18.1	315.1940	-64.4593	B2=14.2, I=12.3, R1=12.7, R2=12.8	USNO-B1
22.4	315.2046	-64.4505	B2=20.3, R2=19.8	USNO-B1
28.6	315.2105	-64.4641	h=12.2, j=12.9, k=12.0	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 174 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.