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Swift Trigger: 1011980

Presumed name: GRB 201209A

Back to trigger list.

BAT 01h 32m 25.44s, -01° 45′ 46.8″
position:(23.106, -1.763 ± 180″)
XRT 01h 32m 21.82s, -01° 45′ 12.9″
position:(23.09092, -1.75359 ± 3.5″)
UVOT No position available.
Galactic NHI:3.22×100 cm-2
Galactic E(B-V):0.035 mag
Best RA:01h 32m 21.82s= 23.09092 d
Best Dec:-01° 45′ 12.9″= -1.75359 d
Gal Lat:-62.8
Gal Long:145.78
Sun angle:122.75°, -8.5 hr East of Sun

1Sper #7 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 11 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
0.6′′23.09079-1.75347GCN #29005GRB 201209A: Swift detection of a burstVizier logo
4.0′′23.09071-1.75467GCN #29009GRB 201209A: Enhanced Swift-XRT positionVizier logo
4.3′′23.09067-1.75476GCN #29013GRB 201209A: Xinglong-2.16m likely optical afterglow detectionVizier logo
35.4′′23.09600-1.76200GCN #29021GRB 201209A: Swift-BAT refined analysisVizier logo
64.0′′23.10600-1.76300GCN #29004Swift GRB201209.24: Global MASTER-Net observations report Vizier 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
28.523.0833-1.7516LEDA 1111036g=17.314, i=16.029, r=16.487, u=18.909, z=15.696Query vizier around this object
118.523.1052-1.7239SDSS J013225.24-014326.1g=21.8078, i=21.2235, r=21.6046, u=21.7878, z=21.2468Query vizier around this object
129.823.1223-1.7714SDSS J013229.35-014617.0g=21.2575, i=21.0922, r=21.1351, u=21.5164, z=20.4740Query vizier around this object
142.423.0700-1.7200PHL 7262B=18.0Query vizier around this object
168.623.0954-1.8002G 271-89B=15.7, G=13.0151, H=9.845, J=10.392, K=9.584Query vizier around this object

There are 5 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
23.623.0964-1.7573B=21.6, R2=20.0SSSQuery vizier around this object
24.123.0904-1.7469NEDQuery vizier around this object
24.723.0842-1.7525NEDQuery vizier around this object
25.423.0967-1.7575NEDQuery vizier around this object
28.023.0835-1.7514B=17.4, R=15.6APM-NQuery vizier around this object
28.623.0833-1.75140.077609Mag=17.99NEDQuery vizier around this object
28.723.0832-1.7516B=17.9, R2=16.5, i=15.9SSSQuery vizier around this object
29.123.0831-1.7515h=13.9, j=14.6, k=13.32MASSQuery vizier around this object
29.623.0962-1.7472Mag=17.99NEDQuery vizier around this object
31.723.0862-1.7611Mag=17.99NEDQuery vizier around this object


There are 250 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
23.923.0965-1.7572B2=21.0, R2=20.4USNO-B1Query vizier around this object
28.123.0833-1.7520B1=17.8, B2=14.3, I=18.7, R2=14.6USNO-B1Query vizier around this object
28.423.0833-1.7516h=14.6, j=15.2, k=14.02MASSQuery vizier around this object
28.723.0832-1.7515B1=15.3, B2=15.6, I=15.0, R1=13.8, R2=13.3USNO-B1Query vizier around this object
39.223.0951-1.7435B1=20.1, B2=22.0, I=18.7, R1=18.9, R2=18.8USNO-B1Query vizier around this object
45.223.0787-1.7566B2=23.9, R2=18.8USNO-B1Query vizier around this object
51.523.0901-1.7679B1=19.6, B2=20.6, I=18.7, R2=20.0USNO-B1Query vizier around this object
58.123.0899-1.7697B2=21.6, R1=19.7, R2=19.7USNO-B1Query vizier around this object
70.723.0890-1.7731B1=19.6, B2=21.5, I=18.5, R1=18.5, R2=18.6USNO-B1Query vizier around this object
76.423.0826-1.7731B2=23.9, R1=19.3, R2=20.6USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 101 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.