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Swift Trigger: 1294765

Presumed name: GRB 250312A

Back to trigger list.

BAT 01h 58m 02.40s, -42° 24′ 14.4″
position:(29.510, -42.404 ± 180″)
XRT 01h 58m 04.59s, -42° 23′ 44.8″
position:(29.51911, -42.39579 ± 1.9″)
UVOT No position available.
Galactic NHI:1.70×1020 cm-2
Galactic E(B-V):0.017 mag
Best RA:01h 58m 04.59s= 29.51911 d
Best Dec:-42° 23′ 44.8″= -42.39579 d
Gal Lat:-69.57
Gal Long:265.59
Sun angle:51.18°, -2.5 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
70.129.5015-42.4103TYC 7546-880-1B=11.51, G=10.957091, H=9.901, I=10.49, J=10.125, K=9.844, R=10.96, V=11.05, g=11.246, i=10.882, r=10.946Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query
119.329.4757-42.38740.0320647955 +/- 0.01617531665SRG-EROSITQuery vizier around this object
137.129.5669-42.41010.0506680943 +/- 0.02119271457SRG-EROSITQuery vizier around this object

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.

Galaxies

RA*Dec*Redshift CatalogueQuery
10.029.5154-42.3958NEDQuery vizier around this object
19.729.5229-42.3911NEDQuery vizier around this object
27.329.5088-42.3950NEDQuery vizier around this object
29.129.5258-42.3894B=21.4, R2=19.5, i=18.4SSSQuery vizier around this object
29.529.5258-42.3892NEDQuery vizier around this object
33.429.5208-42.3867NEDQuery vizier around this object
37.929.5332-42.3943B2=21.4, I=18.6USNO-B1Query vizier around this object
40.129.5137-42.4062B2=20.9, R2=24.1USNO-B1Query vizier around this object
40.929.5138-42.4064Mag=19.2NEDQuery vizier around this object
45.529.5200-42.4083NEDQuery vizier around this object

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

There are 235 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
29.629.5258-42.3892B2=21.3, I=18.7, R1=24.9, R2=20.4USNO-B1Query vizier around this object
33.529.5209-42.3866h=15.2, j=15.8, k=15.02MASSQuery vizier around this object
33.729.5209-42.3865B2=21.4, I=18.1, R1=24.9, R2=21.1USNO-B1Query vizier around this object
39.729.5142-42.4062B2=21.3, R1=15.9, R2=24.3USNO-B1Query vizier around this object
40.629.5140-42.4064B2=21.6, I=18.5, R1=20.6, R2=23.0USNO-B1Query vizier around this object
51.129.5383-42.3956B2=21.7, R1=11.2USNO-B1Query vizier around this object
52.029.5019-42.4026B2=21.4, R2=25.0USNO-B1Query vizier around this object
52.329.5002-42.3999B2=21.9, I=18.7, R1=24.8, R2=25.0USNO-B1Query vizier around this object
52.529.5115-42.4092B2=22.1, R2=20.6USNO-B1Query vizier around this object
53.429.4999-42.4002B2=21.7, I=18.7, R2=23.6USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 137 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.