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Swift Trigger: 994143

Presumed name: GRB 200901A

Back to trigger list.

BAT 04h 07m 01.92s, -59° 52′ 48.0″
position:(61.758, -59.880 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:1.45×100 cm-2
Galactic E(B-V):0.018 mag
Best RA:04h 07m 01.92s= 61.758 d
Best Dec:-59° 52′ 48.0″= -59.880 d
Gal Lat:-43.47
Gal Long:271.53
Sun angle:101.50°, 6.6 hr West

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.


SPER results page for this trigger.

Image of the SPER data

There are 13 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′61.75800-59.88000GCN #28334Swift GRB200901.16: Global MASTER-Net observations report Vizier logo
0.0′′61.75800-59.88000GCN #28335GRB 200901A: Swift detection of a burstVizier logo
59.9′′61.78319-59.89084GCN #28341GRB 200901A: Swift-XRT refined AnalysisVizier logo
75.5′′61.75958-59.90094GCN #28344GRB 200901A: Swift-BAT refined analysisVizier 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

* 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
10.361.7571-59.8828NEDQuery vizier around this object
18.561.7682-59.8804B=22.0SSSQuery vizier around this object
20.261.7558-59.8744NEDQuery vizier around this object
22.161.7647-59.8749B=19.3, R2=18.4, i=18.5SSSQuery vizier around this object
22.261.7646-59.8747Mag=19.43NEDQuery vizier around this object
26.261.7675-59.8744Mag=19.43NEDQuery vizier around this object
30.561.7700-59.8742Mag=19.43NEDQuery vizier around this object
30.761.7705-59.8742B=21.9, R2=19.7SSSQuery vizier around this object
33.861.7396-59.8781Mag=19.43NEDQuery vizier around this object
34.861.7625-59.8706Mag=19.8NEDQuery vizier around this object


There are 256 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
21.561.7646-59.8750B2=17.8, I=18.5, R1=18.2, R2=18.3USNO-B1Query vizier around this object
22.061.7645-59.8748B2=18.1, I=18.1, R2=18.2USNO-B1Query vizier around this object
30.461.7702-59.8742B2=20.6, R2=19.8USNO-B1Query vizier around this object
65.361.7306-59.8682h=15.1, j=15.7, k=14.92MASSQuery vizier around this object
65.561.7304-59.8682B2=17.0, I=16.5, R1=16.1, R2=16.5USNO-B1Query vizier around this object
68.361.7339-59.8654B2=21.5, R1=19.4, R2=20.0USNO-B1Query vizier around this object
69.061.7716-59.8979h=16.6, j=17.4, k=15.52MASSQuery vizier around this object
79.461.7818-59.8986h=14.1, j=14.6, k=14.02MASSQuery vizier around this object
79.561.7818-59.8986B2=16.9, I=15.1, R1=15.5, R2=15.8USNO-B1Query vizier around this object
79.961.7487-59.9017h=16.4, j=16.8, k=15.32MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 64 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.