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Swift Trigger: 1314210

Presumed name: GRB 250516A

Back to trigger list.

BAT 22h 18m 14.64s, -09° 07′ 48.0″
position:(334.561, -9.130 ± 180″)
XRT 22h 18m 26.33s, -09° 07′ 09.2″
position:(334.60969, -9.11921 ± 1.9″)
UVOT No position available.
Galactic NHI:4.85×1020 cm-2
Galactic E(B-V):0.057 mag
Best RA:22h 18m 26.33s= 334.60969 d
Best Dec:-09° 07′ 09.2″= -9.11921 d
Gal Lat:-49.67
Gal Long:52.1
Sun angle:82.52°, 5.3 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.

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
70.3334.6111-9.0997UCAC4 405-134299B=14.099, G=13.185937, H=11.339, J=11.762, K=11.274, R=13.335, V=13.322, g=13.641, i=12.833, r=13.047Query vizier around this object
85.4334.5979-9.0985UCAC4 405-134296B=14.673, G=13.911873, H=12.537, J=12.823, K=12.485, R=14.191, V=14.132, g=14.319, i=13.761, r=13.943Query 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.

Galaxies

RA*Dec*Redshift CatalogueQuery
14.4334.6056-9.1189R=21.5, g=21.6, i=20.9, u=21.9, z=20.7SDSSQuery vizier around this object
14.5334.6054-9.1189Mag=21.5NEDQuery vizier around this object
15.9334.6054-9.1183NEDQuery vizier around this object
17.8334.6049-9.1177B=19.5, R2=18.4, i=17.9SSSQuery vizier around this object
17.8334.6050-9.1175Mag=19.2NEDQuery vizier around this object
20.6334.6129-9.1239Mag=23.3NEDQuery vizier around this object
21.7334.6083-9.1250NEDQuery vizier around this object
22.2334.6093-9.1254R=20.3, g=21.3, i=20.0, u=23.1, z=19.7SDSSQuery vizier around this object
22.2334.6092-9.1253Mag=20.7NEDQuery vizier around this object
22.2334.6090-9.1254B=20.9, R2=19.4SSSQuery vizier around this object

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

There are 446 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
0.8334.6098-9.1190B1=20.9, I=18.3USNO-B1Query vizier around this object
8.8334.6116-9.1208I=21.9, R=22.8, g=25.1, u=23.8, z=21.3SDSSQuery vizier around this object
13.4334.6059-9.1191B2=20.8, R1=19.8, R2=19.8USNO-B1Query vizier around this object
17.6334.6120-9.1149I=22.0, R=22.7, g=24.7, u=25.7, z=21.0SDSSQuery vizier around this object
17.8334.6049-9.1176I=18.4, R=18.7, g=19.2, u=20.5, z=18.4SDSSQuery vizier around this object
18.0334.6049-9.1176B1=19.6, B2=19.9, I=18.0, R1=18.7, R2=18.5USNO-B1Query vizier around this object
20.6334.6130-9.1239I=21.9, R=22.7, g=23.3, u=23.4, z=22.8SDSSQuery vizier around this object
22.2334.6091-9.1253B2=20.6, R1=19.4, R2=19.7USNO-B1Query vizier around this object
25.9334.6046-9.1243h=14.5, j=15.1, k=14.22MASSQuery vizier around this object
26.0334.6045-9.1243B1=19.3, B2=19.4, I=16.3, R1=16.6, R2=16.9USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 220 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.