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Swift Trigger: 1129775

Presumed name: GRB 221016A

Back to trigger list.

BAT 02h 35m 47.76s, -34° 37′ 26.4″
position:(38.949, -34.624 ± 180″)
XRT 02h 35m 46.75s, -34° 36′ 37.4″
position:(38.94479, -34.61039 ± 3.7″)
UVOT No position available.
Galactic NHI:3.24×1020 cm-2
Galactic E(B-V):0.027 mag
Best RA:02h 35m 46.75s= 38.94479 d
Best Dec:-34° 36′ 37.4″= -34.61039 d
Gal Lat:-66.47
Gal Long:237.89
Sun angle:133.33°, 10.8 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 2 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′′38.94479-34.61039GCN #32774GRB 221016A: Swift detection of a burstVizier logo
1.3′′38.94458-34.61072GCN #32776GRB 221016A: Enhanced Swift-XRT positionVizier logo
25.5′′38.93833-34.61506GCN #32786GRB 221016A: Swift-BAT refined analysisVizier logo
50.6′′38.94900-34.62400GCN #32772Swift GRB221016.99: Global MASTER-Net observations report Vizier logo

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
36.338.9438-34.60032MASX J02354651-3436014B=19.0, G=20.373476, H=14.031, J=14.903, K=13.918Query vizier around this object
116.238.9836-34.6056Gaia DR2 5062339104093192064G=19.396936Query 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
14.938.9429-34.6142NEDQuery vizier around this object
21.838.9508-34.6136NEDQuery vizier around this object
34.938.9425-34.6200NEDQuery vizier around this object
36.138.9438-34.6004h=14.3, j=15.1, k=14.02MASSQuery vizier around this object
36.238.9438-34.6003NEDQuery vizier around this object
36.338.9433-34.6003Mag=18.27NEDQuery vizier around this object
36.338.9437-34.6003B=18.2, R2=16.2, i=16.3SSSQuery vizier around this object
37.938.9433-34.5999B2=20.0, R2=20.0USNO-B1Query vizier around this object
38.538.9438-34.5997Mag=19.0NEDQuery vizier around this object
39.138.9423-34.5997B2=19.8, R1=18.8USNO-B1Query vizier around this object


There are 215 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
21.438.9509-34.6136B2=20.0, I=18.7, R1=19.1, R2=19.2USNO-B1Query vizier around this object
35.938.9423-34.6006B2=20.0, I=18.3USNO-B1Query vizier around this object
36.338.9437-34.6003h=14.7, j=15.6, k=14.32MASSQuery vizier around this object
36.638.9437-34.6003B2=16.1, I=15.9, R1=15.8, R2=14.8USNO-B1Query vizier around this object
38.838.9458-34.5996B2=21.0, I=18.6, R1=20.2, R2=20.2USNO-B1Query vizier around this object
39.938.9452-34.5993B2=20.6, R1=19.9USNO-B1Query vizier around this object
40.638.9553-34.6032B2=18.2, I=17.9, R1=17.3, R2=17.4USNO-B1Query vizier around this object
47.138.9335-34.6196B2=21.3, R2=20.7USNO-B1Query vizier around this object
50.038.9558-34.5999B2=20.4, I=18.3, R1=18.9, R2=18.7USNO-B1Query vizier around this object
54.238.9589-34.6008B2=20.5, I=18.6, R1=18.8, R2=17.8USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 73 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.