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Swift Trigger: 1177054

Presumed name: GRB 230628E

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BAT 11h 27m 21.84s, -11° 26′ 49.2″
position:(171.841, -11.447 ± 180″)
XRT 11h 27m 23.72s, -11° 27′ 49.9″
position:(171.84884, -11.46386 ± 1.9″)
UVOT No position available.
Galactic NHI:3.81×1020 cm-2
Galactic E(B-V):0.040 mag
Best RA:11h 27m 23.72s= 171.84884 d
Best Dec:-11° 27′ 49.9″= -11.46386 d
Gal Lat:46.35
Gal Long:272.33
Sun angle:80.76°, -5.0 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.

Image of the SPER data

There are 3 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

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

* 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
10.6171.8462-11.4653NEDQuery vizier around this object
11.2171.8459-11.4650B=22.1SSSQuery vizier around this object
23.3171.8508-11.4578NEDQuery vizier around this object
27.1171.8562-11.4656NEDQuery vizier around this object
28.0171.8515-11.4712B=21.3, R2=20.5SSSQuery vizier around this object
31.6171.8575-11.4619NEDQuery vizier around this object
38.2171.8596-11.4639NEDQuery vizier around this object
39.9171.8388-11.4689B1=20.7, R1=18.8USNO-B1Query vizier around this object
41.3171.8531-11.4745B=21.0, R2=18.9, i=18.0SSSQuery vizier around this object
41.6171.8533-11.4744NEDQuery vizier around this object


There are 192 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
28.2171.8522-11.4710B1=20.7, B2=20.5, R1=20.0, R2=19.3USNO-B1Query vizier around this object
41.5171.8533-11.4745B2=20.5, I=17.9, R1=19.2, R2=18.8USNO-B1Query vizier around this object
46.6171.8357-11.4624B1=19.9, B2=18.9, I=18.1, R1=19.4USNO-B1Query vizier around this object
47.2171.8356-11.4619B1=17.5, B2=16.8, R1=17.9, R2=16.6USNO-B1Query vizier around this object
49.1171.8358-11.4591B1=19.0, R1=18.6, R2=19.2USNO-B1Query vizier around this object
51.0171.8350-11.4597B1=19.0, R1=18.2, R2=19.3USNO-B1Query vizier around this object
54.7171.8606-11.4738h=14.4, j=14.7, k=14.22MASSQuery vizier around this object
54.7171.8606-11.4737B1=15.9, B2=17.1, I=14.8, R1=15.3, R2=15.7USNO-B1Query vizier around this object
60.1171.8563-11.4789B1=20.4, R1=20.0USNO-B1Query vizier around this object
67.2171.8675-11.4601h=15.5, j=16.2, k=14.92MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 108 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.