Skip banner and navigation tools.

 |  site map

Sky images|
UVOT images|
SPER data|

[Hide] [Trigger list]

Swift Trigger: 1035922

Presumed name: GRB 210305A

Back to trigger list.

BAT 21h 19m 15.36s, +34° 33′ 25.2″
position:(319.814, 34.557 ± 180″)
XRT 21h 19m 14.52s, +34° 33′ 16.2″
position:(319.8105, 34.5545 ± 2.1″)
UVOT No position available.
Galactic NHI:1.33×100 cm-2
Galactic E(B-V):0.155 mag
Best RA:21h 19m 14.52s= 319.8105 d
Best Dec:+34° 33′ 16.2″= 34.5545 d
Gal Lat:-10.49
Gal Long:80.92
Sun angle:47.52°, 1.8 hr West

1Sper #5 auto processing.

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 5 SPER messages, and 1 objects have been found

See the SPER page for details of how this position was produced.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
1.7′′319.8105434.55403GCN #29625GRB 210305A: Swift-XRT refined AnalysisVizier logo
8.5′′319.8076434.55439GCN #29595GRB 210305A: Swift detection of a burstVizier logo
24.5′′319.8080034.54800GCN #29611GRB 210305A: Swift-BAT refined analysisVizier logo

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).


RA*Dec*SIMBAD name Query
92.4319.837634.5418TYC 2711-759-1B=13.30, G=12.4802, H=11.621, J=11.768, K=11.617, V=12.60Query vizier around this object
129.6319.849434.5709TYC 2711-724-1B=12.66, G=10.6929, H=7.746, J=8.531, K=7.563, V=11.29Query vizier around this object
153.8319.758834.5515Gaia DR2 1855326572231934464G=19.1927Query vizier around this object
178.1319.755034.5356TYC 2711-528-1B=12.76, G=11.2831, H=8.883, J=9.507, K=8.763, V=11.45Query vizier around this object

There are 4 SIMBAD objects within the position error. The full list is here.

* 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
3.9319.809634.5553NEDQuery vizier around this object
8.0319.810634.5567B2=17.0, I=15.3, R1=15.4, R2=15.5USNO-B1Query vizier around this object
8.0319.810834.5567NEDQuery vizier around this object
16.1319.813334.5506NEDQuery vizier around this object
25.4319.818734.5561NEDQuery vizier around this object
25.6319.807934.5614NEDQuery vizier around this object
27.7319.818534.5585B1=15.2, I=18.4, R1=14.1USNO-B1Query vizier around this object
27.8319.811734.5469NEDQuery vizier around this object
28.5319.817934.5494NEDQuery vizier around this object
29.9319.802534.5597NEDQuery vizier around this object


There are 507 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
3.9319.809534.5552h=13.4, j=13.8, k=13.42MASSQuery vizier around this object
4.0319.809734.5554B1=15.2, B2=15.5, I=13.6, R1=13.9, R2=14.4USNO-B1Query vizier around this object
8.0319.810734.5567h=16.1, j=16.4, k=15.42MASSQuery vizier around this object
16.0319.813434.5508B1=17.5, B2=17.7, I=16.1, R1=16.3, R2=16.6USNO-B1Query vizier around this object
16.1319.813334.5507h=15.3, j=15.8, k=15.52MASSQuery vizier around this object
21.6319.806834.5596B2=20.4, I=18.1, R1=19.1, R2=19.0USNO-B1Query vizier around this object
25.1319.808034.5612B1=19.9, B2=19.4, I=17.3, R1=18.1, R2=18.3USNO-B1Query vizier around this object
25.4319.818934.5560h=15.9, j=16.5, k=14.92MASSQuery vizier around this object
25.5319.807934.5613h=16.3, j=16.8, k=15.32MASSQuery vizier around this object
25.6319.818934.5561B2=20.4, I=17.4, R1=18.8, R2=18.9USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 373 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.