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Swift Trigger: 1154967

Presumed name: GRB 230217A

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BAT 18h 43m 05.04s, -28° 51′ 21.6″
position:(280.771, -28.856 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:9.65×1020 cm-2
Galactic E(B-V):0.182 mag
Best RA:18h 43m 05.04s= 280.771 d
Best Dec:-28° 51′ 21.6″= -28.856 d
Gal Lat:-11.05
Gal Long:6.03
Sun angle:49.43°, 3.3 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.


No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′280.77100-28.85600GCN #33339GRB 230217A: Swift detection of a short burstVizier logo
65.0′′280.77062-28.83794GCN #33358GRB 230217A: 6 GHz VLA observationsVizier logo
65.2′′280.77071-28.83789GCN #33374GRB 230217A: VLT/FORS2 optical observations and candidate counterpartVizier logo
67.0′′280.77002-28.83740GCN #33365GRB 230217A: Swift-XRT afterglow detectionVizier logo
68.9′′280.75900-28.84000GCN #33363GRB 230217A: Swift-BAT refined analysisVizier logo

Catalogue Searches. Searched 200′ around BAT 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
84.2280.7826-28.8771GIU J184307.82-285237.4I=17.837, V=18.768Query vizier around this object
87.4280.7968-28.8649GIU J184311.23-285153.6I=14.303, V=15.520Query vizier around this object
88.4280.7448-28.8472[SHM2017] J280.74484-28.84717G=18.243879, g=18.8931, i=18.0473, r=17.7532, z=18.1290Query vizier around this object
90.4280.7958-28.8686GIU J184310.99-285206.9I=16.206, V=17.374Query vizier around this object
103.0280.8028-28.8495GIU J184312.66-285058.1I=15.160, V=16.375Query vizier around this object
106.6280.7917-28.8794GIU J184309.99-285245.9I=14.907, V=16.207Query vizier around this object
122.0280.7697-28.8221Gaia DR3 4071576258715827968G=18.722094Query vizier around this object
129.5280.7480-28.8262TYC 6871-1183-1B=12.78, G=11.236583, H=8.777, J=9.458, K=8.688, V=11.90Query vizier around this object
149.2280.8132-28.8748GIU J184315.16-285229.3I=16.149, V=17.346Query vizier around this object
151.7280.8191-28.8545GIU J184316.57-285116.2I=14.403, V=15.665Query vizier around this object

There are 16 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
0.8280.7710-28.8558B=18.9SSSQuery vizier around this object
2.7280.7712-28.8567B=19.6SSSQuery vizier around this object
3.8280.7713-28.8570B2=17.7, R1=16.1USNO-B1Query vizier around this object
5.8280.7716-28.8545B1=13.8, B2=12.4, I=9.8, R1=10.9, R2=11.3USNO-B1Query vizier around this object
5.9280.7717-28.8544NEDQuery vizier around this object
11.6280.7704-28.8528NEDQuery vizier around this object
15.3280.7746-28.8589NEDQuery vizier around this object
18.2280.7687-28.8514NEDQuery vizier around this object
19.9280.7771-28.8561NEDQuery vizier around this object
20.0280.7773-28.8560B1=17.8, B2=17.6, R1=16.6, R2=16.3USNO-B1Query vizier around this object


There are 1302 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
5.9280.7719-28.8546h=7.6, j=8.5, k=7.32MASSQuery vizier around this object
11.6280.7706-28.8528h=14.3, j=14.8, k=14.12MASSQuery vizier around this object
11.8280.7677-28.8545B1=17.1, B2=16.6, I=14.8, R1=15.1, R2=15.4USNO-B1Query vizier around this object
11.9280.7700-28.8592B2=18.7, R1=17.9, R2=18.1USNO-B1Query vizier around this object
12.1280.7720-28.8593B2=18.0, I=16.6, R1=16.8, R2=17.1USNO-B1Query vizier around this object
15.3280.7746-28.8589h=15.6, j=16.4, k=14.92MASSQuery vizier around this object
15.8280.7748-28.8589B1=18.9, B2=18.1, R1=16.5, R2=16.7USNO-B1Query vizier around this object
16.7280.7661-28.8578B1=18.0, B2=18.8, R2=18.4USNO-B1Query vizier around this object
16.8280.7721-28.8514B2=17.9, R1=16.1, R2=16.4USNO-B1Query vizier around this object
16.9280.7676-28.8524B2=18.6, R1=17.9, R2=18.0USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 1389 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.