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Home > GRB region information > 1001130

Swift Trigger: 1001130

Presumed name: GRB 201021C

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

BAT	00h 50m 12.00s, -55° 50′ 20.4″
position:	(12.550, -55.839 ± 180″)
XRT	00h 50m 07.06s, -55° 51′ 58.0″
position:	(12.5294, -55.8661 ± 2.0″)
UVOT	00h 50m 06.84s, -55° 51′ 56.5″
position:	(12.5285, -55.8657 ± 1.1″)
Galactic NHI:	1.94×100 cm-2
Galactic E(B-V):	0.017 mag

Best RA:	00h 50m 06.84s	= 12.5285 d
Best Dec:	-55° 51′ 56.5″	= -55.8657 d
Gal Lat:	-61.26
Gal Long:	303.32
Sun angle:	112.16°, -11.1 hr East of Sun

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

• • Object 1 - enhanced position.
  • RA (J2000) : 00 50 07.08 (-55.8662)
  • Dec (J2000): -55 51 58.3 ( -55.86725)
  • Error (90%): 2.1
  • Counts in Source: 366

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
0.2′′	12.52854	-55.86575		GCN #28730	GRB 201021C: Swift detection of a burst with an optical counterpart
0.8′′	12.52887	-55.86578		GCN #28745	GRB 201021C: Swift/UVOT Detection
1.0′′	12.52887	-55.86550		GCN #28736	GRB 201021C: Enhanced Swift-XRT position
53.2′′	12.50300	-55.86200		GCN #28755	GRB 201021C: Swift-BAT refined analysis
105.5′′	12.55000	-55.83900		GCN #28731	Swift GRB201021.85: Global MASTER-Net observations report

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
126.7	12.5000	-55.8350	LEDA 405588

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table2	Observatory	Query
165.0	12.4832	-55.9039	0 +/- 0	XMM-NEWTON
165.0	12.4832	-55.9039	0 +/- 0	XMM-NEWTON

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
17.5	12.5250	-55.8614		Mag=19.0	NED
21.3	12.5312	-55.8714		Mag=19.0	NED
22.1	12.5179	-55.8669		Mag=19.0	NED
24.0	12.5409	-55.8644		B2=20.2, I=19.0, R1=19.7, R2=20.7	USNO-B1
24.5	12.5411	-55.8642		B=20.8, R2=19.7	SSS
26.6	12.5413	-55.8636		Mag=19.0	NED
32.2	12.5137	-55.8692		Mag=19.0	NED
34.1	12.5136	-55.8695		B=22.3	SSS
35.3	12.5121	-55.8622		Mag=19.0	NED
37.4	12.5120	-55.8625		B=22.1	SSS

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

There are 245 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
18.6	12.5248	-55.8617	I=18.5, R2=19.7	USNO-B1
19.2	12.5251	-55.8613	h=16.1, j=16.4, k=15.2	2MASS
19.5	12.5249	-55.8613	B2=21.0, I=18.3, R1=19.5, R2=19.4	USNO-B1
22.2	12.5400	-55.8644	R1=20.2, R2=19.8	USNO-B1
25.4	12.5414	-55.8640	B2=20.2, I=19.0, R1=20.1, R2=19.9	USNO-B1
28.6	12.5153	-55.8664	B2=20.6, I=18.5, R1=20.0, R2=20.1	USNO-B1
34.0	12.5135	-55.8692	B2=20.6, R2=23.6	USNO-B1
40.6	12.5393	-55.8759	B2=19.4, R2=20.2	USNO-B1
50.2	12.5320	-55.8522	h=15.1, j=16.0, k=15.1	2MASS
50.5	12.5319	-55.8522	B2=19.4, I=17.4, R1=17.8, R2=17.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 91 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.