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Swift Trigger: 1107466

Presumed name: GRB 220521A

Back to trigger list.

BAT 18h 20m 47.28s, +10° 23′ 02.4″
position:(275.197, +10.384 ± 180″)
XRT 18h 20m 55.15s, +10° 22′ 20.0″
position:(275.22978, 10.37221 ± 1.9″)
UVOT No position available.
Galactic NHI:1.13×1021 cm-2
Galactic E(B-V):0.207 mag
Best RA:18h 20m 55.15s= 275.22978 d
Best Dec:+10° 22′ 20.0″= 10.37221 d
Gal Lat:11.44
Gal Long:38.83
Sun angle:132.58°, 9.6 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 4 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
0.0′′275.2297810.37221GCN #32077GRB 220521A: Prompt enhanced Swift-XRT positionVizier logo
0.6′′275.2297110.37236GCN #32078GRB 220521A: NOT optical afterglow detectionVizier logo
0.7′′275.2296710.37237GCN #32110GRB 220521A: ALMA detectionVizier logo
1.7′′275.2299010.37175GCN #32081GRB 220521A: Enhanced Swift-XRT positionVizier logo
3.4′′275.2289210.37261GCN #32076GRB 220521A: Swift detection of a burstVizier logo
41.7′′275.2180010.37200GCN #32090GRB 220521A: Swift-BAT refined analysisVizier logo
123.6′′275.1970010.38400GCN #32074Swift GRB220521.97: Global MASTER-Net observations report Vizier logo
160.7′′275.2698710.35131GCN #32088GRB 220521A: Sintesz-Newton/CrAO optical upper limitVizier logo
160.7′′275.2698710.35131GCN #32103GRB 220521A: ISON-Castelgrande observatory optical observationsVizier logo

There are 17 matches in total. See the full table for details.

Catalogue Searches. Searched 200′ 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
87.9275.243610.39252MASX J18205846+1023329H=14.427, J=15.080, K=13.468Query vizier around this object

* 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
20.5275.227410.3670B1=19.4, B2=19.9, R1=18.0, R2=18.4USNO-B1Query vizier around this object
26.0275.228310.3650NEDQuery vizier around this object
26.6275.228410.3649B1=20.6, B2=19.6, I=16.1, R2=17.1USNO-B1Query vizier around this object
26.9275.228310.3650NEDQuery vizier around this object
33.8275.231210.3631NEDQuery vizier around this object
34.7275.222110.3783NEDQuery vizier around this object
35.9275.239610.3733NEDQuery vizier around this object
38.6275.238710.3786NEDQuery vizier around this object
40.0275.240010.3681NEDQuery vizier around this object
40.7275.234210.3827B1=20.2, B2=20.1, R2=18.5USNO-B1Query vizier around this object


There are 505 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
22.3275.225110.3764R1=18.9, R2=18.6USNO-B1Query vizier around this object
23.3275.227710.3661B1=19.8, B2=18.9, I=17.1, R1=17.1USNO-B1Query vizier around this object
24.9275.236610.3738I=17.6, R1=19.1, R2=18.7USNO-B1Query vizier around this object
26.0275.228310.3651h=13.8, j=14.5, k=13.62MASSQuery vizier around this object
28.2275.237710.3724B1=20.3, B2=19.9, I=17.5, R1=18.8, R2=18.4USNO-B1Query vizier around this object
31.1275.221310.3701B1=20.0, B2=19.6, I=17.5, R1=18.3, R2=18.2USNO-B1Query vizier around this object
31.6275.238610.3709B1=20.8, B2=20.0, R1=19.1, R2=18.7USNO-B1Query vizier around this object
34.2275.231410.3628B1=16.6, B2=16.8, I=15.3, R1=15.8, R2=15.5USNO-B1Query vizier around this object
34.3275.231410.3628h=13.6, j=13.9, k=13.52MASSQuery vizier around this object
34.7275.222310.3785h=15.8, j=16.5, k=15.82MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 623 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.