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Swift Trigger: 1231488

Presumed name: GRB 240529A

Back to trigger list.

BAT 22h 21m 17.28s, +51° 33′ 18.0″
position:(335.322, +51.555 ± 180″)
XRT 22h 21m 25.66s, +51° 33′ 43.4″
position:(335.35691, 51.56206 ± 3.5″)
UVOT 22h 21m 26.04s, +51° 33′ 43.2″
position:(335.3585, +51.5620 ± 1.1″)
Galactic NHI:2.71×1021 cm-2
Galactic E(B-V):0.320 mag
Best RA:22h 21m 26.04s= 335.3585 d
Best Dec:+51° 33′ 43.2″= +51.5620 d
Gal Lat:-4.69
Gal Long:100.61
Sun angle:73.72°, 6.1 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 5 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
61.8335.330551.55712MASS J22211932+5133256G=12.175810, H=9.915, J=10.468, K=9.762Query vizier around this object
128.3335.380351.5946ZTF J222131.26+513540.5g=18.610, r=17.766Query vizier around this object
135.5335.412951.5763ZTF J222139.10+513434.8g=16.773, r=16.023Query vizier around this object
179.1335.287251.5865TYC 3619-169-1B=13.75, G=10.795900, H=7.617, J=8.44, K=7.399, V=11.77Query vizier around this object
190.7335.292451.5275TYC 3619-347-1B=11.90, G=11.717745, H=10.998, J=11.086, K=10.966, V=11.52Query vizier around this object

There are 5 SIMBAD objects within the position error. The full list is here.

* 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
6.2335.355851.5614NEDQuery vizier around this object
10.9335.361551.5629B1=19.5, B2=18.1, I=17.6, R1=17.5, R2=17.5USNO-B1Query vizier around this object
16.8335.351351.5631NEDQuery vizier around this object
18.5335.353751.5578NEDQuery vizier around this object
19.7335.365851.5592NEDQuery vizier around this object
20.0335.355351.5675I=18.0, R2=19.4USNO-B1Query vizier around this object
21.5335.366351.5586NEDQuery vizier around this object
21.9335.365651.5593B1=18.4, B2=17.3, I=15.8, R1=16.0, R2=16.3USNO-B1Query vizier around this object
22.1335.354251.5564NEDQuery vizier around this object
25.7335.357751.5549B1=19.0, B2=17.9, I=16.7, R1=16.7, R2=17.0USNO-B1Query vizier around this object


There are 610 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
2.9335.355951.5615B1=18.0, B2=17.6, I=15.9, R1=16.1, R2=16.3USNO-B1Query vizier around this object
3.1335.355951.5615h=14.6, j=15.2, k=14.82MASSQuery vizier around this object
13.3335.351251.5629h=15.1, j=16.0, k=15.02MASSQuery vizier around this object
13.6335.351051.5630B2=20.3, I=17.6, R1=18.3, R2=18.6USNO-B1Query vizier around this object
15.4335.363551.5632B2=19.8, I=17.9, R1=18.1, R2=18.0USNO-B1Query vizier around this object
17.0335.354051.5577h=14.7, j=15.3, k=14.42MASSQuery vizier around this object
18.5335.348851.5612B1=20.4, B2=19.6, I=17.9, R1=18.3, R2=18.7USNO-B1Query vizier around this object
20.2335.354151.5567B1=16.0, B2=15.4, I=13.8, R1=13.9, R2=14.6USNO-B1Query vizier around this object
20.8335.350851.5664B2=20.2, R2=19.5USNO-B1Query vizier around this object
21.0335.354151.5565h=13.6, j=13.8, k=13.52MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 720 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.