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Home > GRB region information > 1037828

Swift Trigger: 1037828

Presumed name: GRB 210321A

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

BAT	05h 51m 29.76s, +70° 07′ 08.4″
position:	(87.874, +70.119 ± 180″)
XRT	05h 51m 35.10s, +70° 07′ 49.5″
position:	(87.89627, 70.13042 ± 3.7″)
UVOT	05h 51m 34.73s, +70° 07′ 49.8″
position:	(87.8947, +70.1305 ± 0.6″)
Galactic NHI:	8.05×100 cm-2
Galactic E(B-V):	0.111 mag

Best RA:	05h 51m 34.73s	= 87.8947 d
Best Dec:	+70° 07′ 49.8″	= +70.1305 d
Gal Lat:	20.53
Gal Long:	143.46
Sun angle:	88.87°, -5.8 hr East of Sun

¹Sper #3 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 6 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 05 51 35.04 ( 87.89601)
  • Dec (J2000): +70 07 50.5 ( 70.13069)
  • Error (90%): 3.571"
  • Counts in Source: 255

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
0.1′′	87.89479	70.13050		GCN #29697	GRB 210321A: Swift/UVOT Detection
0.8′′	87.89508	70.13067		GCN #29694	GRB 210321A: DDOTI Position Correction
1.4′′	87.89579	70.13057		GCN #29681	GRB 210321A: Enhanced Swift-XRT position
1.9′′	87.89625	70.13042		GCN #29678	GRB 210321A: Swift-XRT observations
47.4′′	87.87500	70.11917		GCN #29677	GRB 210321A: Swift detection of a burst
77.0′′	87.88667	70.10928		GCN #29691	GRB 210321A: 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
105.0	87.8679	70.1579	TYC 4348-1697-1	B=12.63, G=12.0913, H=11.004, J=11.233, K=10.921, V=12.13
198.3	87.8831	70.0755	Gaia DR2 485202081770352128	G=17.6022

* 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
12.1	87.8846	70.1308			NED
26.8	87.8758	70.1269			NED
28.4	87.9112	70.1250			NED
32.0	87.9204	70.1322			NED
33.2	87.8700	70.1344			NED
38.5	87.8729	70.1228			NED
38.9	87.8954	70.1414			NED
40.3	87.9087	70.1203			NED
40.3	87.8762	70.1397			NED
42.5	87.9287	70.1283			NED

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

There are 223 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
28.4	87.8755	70.1269	B1=21.0, B2=20.1, I=17.7, R1=20.0, R2=18.6	USNO-B1
32.0	87.8855	70.1223	B1=20.3, B2=20.0, I=18.9, R1=19.7, R2=19.4	USNO-B1
34.1	87.8706	70.1342	B2=20.9, R2=20.2	USNO-B1
39.0	87.9089	70.1205	B1=17.9, B2=17.1, I=15.7, R1=16.3, R2=16.1	USNO-B1
39.2	87.9089	70.1204	h=14.5, j=14.9, k=14.5	2MASS
42.2	87.8764	70.1400	B1=21.0, B2=21.9, R2=19.7	USNO-B1
56.1	87.9289	70.1195	B1=20.5, B2=21.8, I=18.7, R1=19.6, R2=19.9	USNO-B1
60.1	87.8819	70.1145	B1=19.9, B2=19.3, I=18.0, R1=18.5, R2=18.7	USNO-B1
60.9	87.9394	70.1220	h=16.1, j=16.8, k=15.9	2MASS
61.3	87.9398	70.1220	B1=18.3, B2=18.1, I=17.4, R1=17.4, R2=17.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 129 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.