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Swift Trigger: 1091527

Presumed name: GRB 220101A

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BAT 00h 05m 31.20s, +31° 45′ 10.8″
position:(1.380, +31.753 ± 180″)
XRT 00h 05m 25.46s, +31° 46′ 12.7″
position:(1.3561, 31.7702 ± 4.7″)
UVOT 00h 05m 24.79s, +31° 46′ 08.4″
position:(1.3533, +31.7690 ± 0.6″)
Galactic NHI:5.27×1020 cm-2
Galactic E(B-V):0.054 mag
Best RA:00h 05m 24.79s= 1.3533 d
Best Dec:+31° 46′ 08.4″= +31.7690 d
Gal Lat:-30.09
Gal Long:111.63
Sun angle:94.02°, -5.3 hr East of Sun

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.

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
0.1′′1.3533331.76900GCN #31351GRB 220101: Swift/UVOT DetectionVizier logo
0.1′′1.3533331.76900GCN #31372GRB 220101A: ALMA detectionVizier logo
0.3′′1.3534031.76899GCN #31385GRB 220101A: VLA detectionVizier logo
0.4′′1.3534231.76903GCN #31347GRB 220101A: Swift detection of a burst with a bright optical counterpartVizier logo
0.4′′1.3532131.76908GCN #31504GRB 220101A: KAO optical-R observationVizier logo
1.3′′1.3533331.76936GCN #31356GRB 220101A: THO optical observationsVizier logo
1.4′′1.3537431.76890GCN #31349GRB 220101A: Enhanced Swift-XRT positionVizier logo
44.6′′1.3600031.75800GCN #31369GRB 220101A: Swift-BAT refined analysisVizier logo
57.4′′1.3360231.76280GCN #31390GRB 220101A: Mondy optical observationsVizier logo
57.4′′1.3360231.76280GCN #31420GRB 220101A: SAO RAS optical observationsVizier logo
57.4′′1.3360231.76280GCN #31471GRB 220101A: TSHAO optical observation� Terskol� AbAO upper limitsVizier logo

There are 31 matches in total. See the full table for details.

Catalogue Searches. Searched 200′ around UVOT 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
1.41.353331.7694NEDQuery vizier around this object
24.21.358331.7742NEDQuery vizier around this object
24.51.358831.7740B=20.4, R=18.7APM-NQuery vizier around this object
24.51.358831.7740B=20.1, R=18.5APM-NQuery vizier around this object
25.01.360831.7719NEDQuery vizier around this object
31.41.344531.7645B1=20.4, B2=21.1USNO-B1Query vizier around this object
32.21.344631.7639NEDQuery vizier around this object
38.81.345431.7775NEDQuery vizier around this object
40.91.340031.7711NEDQuery vizier around this object
47.01.348331.7567NEDQuery vizier around this object


There are 213 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
20.21.355931.7742B2=21.2, R2=20.2USNO-B1Query vizier around this object
24.31.358731.7739B1=19.1, B2=19.3, I=17.5, R1=19.1, R2=18.3USNO-B1Query vizier around this object
25.21.361031.7714B1=19.2, B2=21.3, R1=18.6USNO-B1Query vizier around this object
38.21.345931.7775I=18.5, R1=19.7USNO-B1Query vizier around this object
38.61.345331.7773B1=20.0, B2=20.7, I=18.5, R1=19.4, R2=19.2USNO-B1Query vizier around this object
46.51.348431.7568B2=20.1, I=18.6, R1=18.8, R2=19.1USNO-B1Query vizier around this object
49.91.360531.7814h=14.2, j=14.6, k=14.22MASSQuery vizier around this object
50.41.350431.7828B1=19.3, B2=21.3, R1=18.2USNO-B1Query vizier around this object
53.11.351231.7836h=16.3, j=16.8, k=15.42MASSQuery vizier around this object
55.11.367131.7592B1=19.6, B2=19.3, I=17.4, R1=18.4, R2=17.8USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 118 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.