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Swift Trigger: 920783

Presumed name: GRB 190816A

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BAT 22h 44m 46.32s, -29° 44′ 24.0″
position:(341.193, -29.740 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:1.22×100 cm-2
Galactic E(B-V):0.017 mag
Best RA:22h 44m 46.32s= 341.193 d
Best Dec:-29° 44′ 24.0″= -29.740 d
Gal Lat:-62.12
Gal Long:20.02
Sun angle:158.46°, 11.0 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′′341.19300-29.74000GCN #25368GRB 190816A: Swift detection of a burstVizier logo
35.4′′341.18333-29.74514GCN #25405GRB 190816A: Swift-BAT refined analysisVizier logo
64.3′′341.18950-29.75761GCN #25473GRB 190816A: Swift-XRT afterglow detectionVizier logo

Catalogue Searches. Searched 3.33′ 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
146.0341.2222-29.70832QZ J224453.3-294230G=18.4704Query vizier around this object
165.5341.2257-29.77622QZ J224454.2-294634B=19.74, G=19.5927Query 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
10.2341.1925-29.7428NEDQuery vizier around this object
11.5341.1954-29.7422NEDQuery vizier around this object
17.0341.1876-29.7401B=20.6, R2=18.9, i=18.2SSSQuery vizier around this object
17.6341.1875-29.7403Mag=19.1NEDQuery vizier around this object
18.4341.1871-29.7398B1=21.4, B2=20.9, I=18.8USNO-B1Query vizier around this object
24.7341.1863-29.7439Mag=19.1NEDQuery vizier around this object
54.4341.2033-29.7278Mag=19.1NEDQuery vizier around this object
61.9341.2075-29.7283Mag=19.1NEDQuery vizier around this object
62.8341.2096-29.7497Mag=19.1NEDQuery vizier around this object
67.8341.1715-29.7374B=20.1, R2=18.8, i=18.1SSSQuery vizier around this object


There are 98 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
10.0341.1928-29.7428B1=20.8, B2=20.8, I=17.7, R1=19.1, R2=18.4USNO-B1Query vizier around this object
10.2341.1928-29.7428h=15.5, j=16.1, k=15.22MASSQuery vizier around this object
17.2341.1875-29.7400B1=20.9, B2=20.7, I=18.7, R1=19.8, R2=18.9USNO-B1Query vizier around this object
54.4341.2033-29.7278h=13.5, j=13.8, k=13.42MASSQuery vizier around this object
54.7341.2033-29.7277B1=16.4, B2=16.4, I=14.3, R1=14.7, R2=14.8USNO-B1Query vizier around this object
62.3341.2102-29.7487B2=20.3, R2=21.6USNO-B1Query vizier around this object
68.1341.1715-29.7372B1=21.0, B2=20.4, I=18.6, R1=19.1, R2=18.9USNO-B1Query vizier around this object
74.3341.1793-29.7231B1=21.1, B2=20.9, I=18.6, R2=19.1USNO-B1Query vizier around this object
79.0341.1928-29.7619B1=21.4, B2=20.9, I=19.1, R2=20.9USNO-B1Query vizier around this object
80.0341.1736-29.7545B1=21.0, B2=20.9, I=18.7, R1=19.0, R2=19.0USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 74 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.