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Swift Trigger: 436737

Presumed name: GRB 101020A

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BAT 12h 38m 15.84s, +23° 09′ 39.2″
position:(189.566, 23.1609 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:0.00×100 cm-2
Galactic E(B-V):0.015 mag
Best RA:12h 38m 15.84s= 189.566 d
Best Dec:+23° 09′ 39.2″= 23.1609 d
Gal Lat:
Gal Long:
Sun angle:not found

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

No UVOT images are currently available.


No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.4′′189.5660023.16100GCN #11357GRB 101020A: Swift detection of a burstVizier logo
177.8′′189.6070023.12900GCN #11358GRB 101020A� Swift-BAT refined analysis Vizier logo

Catalogue Searches. Searched 3.33′ around BAT 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).


RA*Dec*SIMBAD name Query
107.4189.579423.1881NGP9 F378-0332523Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.


RA*Dec*Redshift CatalogueQuery
11.6189.562523.1608NEDQuery vizier around this object
13.7189.567123.1646R=21.7, g=22.3, i=21.4, u=23.1, z=21.1SDSSQuery vizier around this object
13.7189.567123.1644Mag=22.7NEDQuery vizier around this object
17.7189.560923.1595R=21.4, g=22.0, i=20.8, u=21.7, z=20.3SDSSQuery vizier around this object
17.7189.560823.1594Mag=22.3NEDQuery vizier around this object
26.0189.559223.1647Mag=21.5NEDQuery vizier around this object
26.0189.559423.1648R=22.0, g=22.8, i=21.2, u=24.5, z=20.9SDSSQuery vizier around this object
36.0189.574423.1672R=19.5, g=20.1, i=19.2, u=21.1, z=19.0SDSSQuery vizier around this object
36.0189.574223.1672Mag=20.1NEDQuery vizier around this object
44.6189.565423.1733R=23.6, g=27.1, i=26.7, u=20.7, z=21.0SDSSQuery vizier around this object


There are 378 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


RA*Dec* CatalogueQuery
29.7189.574523.1634I=22.1, R=23.4, g=24.3, u=23.6, z=21.6SDSSQuery vizier around this object
36.1189.574423.1673B1=20.6, B2=20.6, I=18.4, R1=19.8, R2=19.4USNO-B1Query vizier around this object
40.6189.577623.1573I=24.8, R=24.2, g=23.5, u=24.0, z=22.3SDSSQuery vizier around this object
40.7189.564023.1721I=24.7, R=24.2, g=25.6, u=22.4, z=22.8SDSSQuery vizier around this object
49.1189.574723.1719B2=19.9, R1=19.5, R2=20.0USNO-B1Query vizier around this object
52.9189.555923.1723I=25.1, R=25.6, g=26.2, u=21.9, z=22.6SDSSQuery vizier around this object
54.0189.577423.1716I=23.7, R=24.5, g=25.6, u=22.4, z=22.8SDSSQuery vizier around this object
54.6189.582423.1626I=22.5, R=22.8, g=23.6, u=24.1, z=22.0SDSSQuery vizier around this object
59.0189.582023.1537I=20.7, R=21.2, g=22.3, u=24.2, z=20.7SDSSQuery vizier around this object
59.7189.563723.1773I=24.5, R=24.8, g=25.5, u=25.3, z=20.8SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 152 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.