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Swift Trigger: 1015088

Presumed name: GRB 201229A

Back to trigger list.

BAT 14h 02m 49.92s, +48° 11′ 49.2″
position:(210.708, +48.197 ± 180″)
XRT 14h 02m 45.38s, +48° 11′ 51.4″
position:(210.6891, 48.1976 ± 2.2″)
UVOT 14h 02m 45.41s, +48° 11′ 53.5″
position:(210.6892, +48.1982 ± 0.6″)
Galactic NHI:1.69×100 cm-2
Galactic E(B-V):0.017 mag
Best RA:14h 02m 45.41s= 210.6892 d
Best Dec:+48° 11′ 53.5″= +48.1982 d
Gal Lat:64.78
Gal Long:94.32
Sun angle:93.62°, 4.5 hr West

1Sper #2 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 9 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
0.2′′210.6891748.19814GCN #29213GRB 201229A: Swift/UVOT DetectionVizier logo
0.3′′210.6890848.19819GCN #29204GRB 201229A: SAO RAS optical observationsVizier logo
0.3′′210.6892148.19828GCN #29192GRB 201229A: Swift detection of a burst with a possible optical counterpartVizier logo
0.5′′210.6890048.19819GCN #29205GRB 201229A: AbAO optical afterglow detection´┐Ż TSHAO optical upper limitVizier logo
2.4′′210.6884648.19775GCN #29193GRB 201229A: Enhanced Swift-XRT positionVizier logo
39.5′′210.6920048.20900GCN #29199GRB 201229A: Swift-BAT refined analysisVizier logo

There are 12 matches in total. See the full table for details.

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
112.9210.642948.2033SDSS J140234.28+481212.0G=20.3190, g=20.667, i=19.661, r=20.034, u=21.4639, z=19.395Query vizier around this object
155.5210.648648.2313SDSS J140235.65+481352.6g=21.7230, i=21.1589, r=21.7001, u=21.7966, z=21.5186Query vizier around this object
191.0210.720248.2464SDSSCGB 52061.3g=21.833, i=20.450, r=20.821, u=23.430, z=20.544Query vizier around this object

There are 3 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
1.9210.689248.1978NEDQuery vizier around this object
8.3210.692148.1994Mag=22.2NEDQuery vizier around this object
9.9210.692048.1996R=21.7, g=22.2, i=21.3, u=23.1, z=22.1SDSSQuery vizier around this object
17.8210.682948.1956Mag=22.2NEDQuery vizier around this object
25.5210.686348.1914Mag=22.2NEDQuery vizier around this object
34.3210.702948.2011Mag=22.3NEDQuery vizier around this object
34.4210.679648.2053Mag=22.3NEDQuery vizier around this object
34.9210.703548.1963R=21.5, g=22.8, i=21.1, u=23.1, z=20.5SDSSQuery vizier around this object
35.0210.703348.1964Mag=22.5NEDQuery vizier around this object
35.1210.702748.2013R1=20.1, R2=19.4USNO-B1Query vizier around this object


There are 494 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
10.3210.691448.2000B1=21.0, B2=21.7, R2=19.9USNO-B1Query vizier around this object
23.4210.686348.1914I=21.6, R=23.0, g=25.2, u=25.7, z=20.9SDSSQuery vizier around this object
32.8210.682948.1895I=25.0, R=25.8, g=24.2, u=22.2, z=22.7SDSSQuery vizier around this object
44.6210.706748.2015I=21.5, R=21.4, g=21.2, u=21.2, z=22.2SDSSQuery vizier around this object
45.0210.706948.2015B1=20.7, B2=20.9, R2=20.0USNO-B1Query vizier around this object
46.2210.670748.2013I=15.3, R=15.5, g=16.0, u=17.2, z=15.3SDSSQuery vizier around this object
46.2210.670648.2013h=14.1, j=14.4, k=14.12MASSQuery vizier around this object
46.3210.670648.2013B1=16.3, B2=16.3, I=14.6, R1=15.3, R2=15.4USNO-B1Query vizier around this object
50.7210.673648.1880B1=20.9, B2=21.2, R1=20.2, R2=20.1USNO-B1Query vizier around this object
51.8210.695348.1838I=22.0, R=24.2, g=24.8, u=24.4, z=20.2SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 182 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.