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Swift Trigger: 1163119

Presumed name: GRB 230405B

Back to trigger list.

BAT 18h 05m 52.08s, -47° 04′ 12.0″
position:(271.467, -47.070 ± 180″)
XRT 18h 05m 45.84s, -47° 04′ 10.8″
position:(271.44100, -47.06967 ± 1.9″)
UVOT No position available.
Galactic NHI:1.06×1021 cm-2
Galactic E(B-V):0.149 mag
Best RA:18h 05m 45.84s= 271.44100 d
Best Dec:-47° 04′ 10.8″= -47.06967 d
Gal Lat:-12.35
Gal Long:346.05
Sun angle:103.13°, 6.8 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 7 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
0.4′′271.44100-47.06977GCN #33572GRB 230405B: Prompt enhanced Swift-XRT positionVizier logo
1.1′′271.44063-47.06983GCN #33574GRB 230405B: Enhanced Swift-XRT positionVizier logo
2.5′′271.44108-47.06898GCN #33571GRB 230405B: Swift detection of a burstVizier logo

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
132.6271.4370-47.0329TYC 8361-250-1B=12.46, G=12.172691, H=11.381, J=11.507, K=11.32, V=12.34Query vizier around this object
184.4271.3889-47.0328TYC 8361-148-1B=12.15, G=11.866352, H=10.907, J=11.092, K=10.825, V=12.01Query 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.


RA*Dec*Redshift CatalogueQuery
4.3271.4426-47.0701B=21.8SSSQuery vizier around this object
9.2271.4445-47.0688B=19.6, R2=18.2, i=17.7SSSQuery vizier around this object
10.8271.4452-47.0687B2=20.3, R2=19.2USNO-B1Query vizier around this object
11.7271.4376-47.0720B2=17.8, I=17.1, R1=17.6, R2=17.6USNO-B1Query vizier around this object
11.9271.4404-47.0664NEDQuery vizier around this object
12.4271.4405-47.0663B2=17.6, I=16.6, R1=17.0, R2=16.8USNO-B1Query vizier around this object
18.8271.4387-47.0746B=21.9, R2=19.8SSSQuery vizier around this object
20.8271.4427-47.0753B2=17.6, I=16.7, R1=17.0, R2=17.2USNO-B1Query vizier around this object
21.1271.4425-47.0753NEDQuery vizier around this object
21.9271.4484-47.0730B2=19.1, R1=18.8USNO-B1Query vizier around this object


There are 731 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
8.4271.4442-47.0688B2=18.9, I=18.5, R1=18.3, R2=18.4USNO-B1Query vizier around this object
12.0271.4406-47.0664h=15.6, j=15.9, k=15.62MASSQuery vizier around this object
21.1271.4426-47.0754h=15.7, j=16.0, k=15.32MASSQuery vizier around this object
21.4271.4323-47.0693B2=21.1, R2=20.7USNO-B1Query vizier around this object
23.5271.4317-47.0681B2=18.2, I=18.0, R1=18.3, R2=18.5USNO-B1Query vizier around this object
23.6271.4361-47.0641B2=18.2, R1=18.6, R2=19.3USNO-B1Query vizier around this object
24.3271.4328-47.0659h=15.4, j=15.9, k=15.32MASSQuery vizier around this object
25.0271.4327-47.0657B2=16.8, I=15.6, R1=16.1, R2=16.4USNO-B1Query vizier around this object
26.8271.4515-47.0717B2=19.7, R1=19.1USNO-B1Query vizier around this object
27.7271.4321-47.0650B2=16.9, I=15.2, R1=15.5, R2=15.7USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 908 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.