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SPER data|
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Swift Trigger: 1277277

Presumed name: GRB 241228A

Back to trigger list.

BAT 22h 59m 17.76s, +18° 36′ 14.4″
position:(344.824, +18.604 ± 180″)
XRT 22h 59m 12.42s, +18° 36′ 36.2″
position:(344.80173, 18.61005 ± 1.9″)
UVOT No position available.
Galactic NHI:5.05×1020 cm-2
Galactic E(B-V):0.088 mag
Best RA:22h 59m 12.42s= 344.80173 d
Best Dec:+18° 36′ 36.2″= 18.61005 d
Gal Lat:-36.78
Gal Long:89.11
Sun angle:78.20°, -4.5 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.

XRT SPER data

SPER results page for this trigger.

Image of the SPER data

There are 10 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).

SIMBAD

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.

Galaxies

RA*Dec*Redshift CatalogueQuery
20.0344.797518.6142NEDQuery vizier around this object
21.2344.795718.6116B=22.2, R=20.0APM-NQuery vizier around this object
31.4344.807618.6033B=22.1, R=20.0APM-NQuery vizier around this object
33.0344.795318.6032B=21.8, R=19.9APM-NQuery vizier around this object
37.4344.812518.6119NEDQuery vizier around this object
37.8344.811718.6056NEDQuery vizier around this object
38.0344.812718.6117B=20.0, R=18.1APM-NQuery vizier around this object
43.1344.807318.5993B=22.1, R=20.0APM-NQuery vizier around this object
43.4344.806318.6214NEDQuery vizier around this object
46.4344.813118.6171B=22.2, R=19.7APM-NQuery vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 237 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

Stars

RA*Dec* CatalogueQuery
37.5344.812618.6119B1=20.1, B2=19.1, I=18.1, R1=18.3, R2=18.3USNO-B1Query vizier around this object
47.8344.806718.5976B1=20.3, B2=19.7, I=18.4, R1=18.6, R2=18.9USNO-B1Query vizier around this object
57.8344.802618.5940B1=20.1, B2=19.7, R2=19.8USNO-B1Query vizier around this object
64.7344.804218.6279h=15.4, j=16.0, k=15.62MASSQuery vizier around this object
65.0344.804118.6280B1=18.9, B2=18.3, I=16.8, R1=16.9, R2=17.1USNO-B1Query vizier around this object
67.8344.800518.5912B1=20.8, B2=20.8, R1=19.6, R2=19.9USNO-B1Query vizier around this object
72.0344.784418.5986B1=21.0, B2=20.2, I=18.7, R1=18.8, R2=19.4USNO-B1Query vizier around this object
74.6344.785818.6243h=13.1, j=13.8, k=12.92MASSQuery vizier around this object
74.8344.785818.6243B1=18.7, B2=17.9, I=14.9, R1=15.6, R2=16.1USNO-B1Query vizier around this object
75.6344.784018.5975B1=21.1, B2=21.1, R1=19.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 113 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.