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Swift Trigger: 753110

Presumed name: GRB 170516A

Back to trigger list.

BAT 02h 46m 23.52s, -55° 53′ 56.4″
position:(41.598, -55.899 ± 180″)
XRT 02h 46m 15.91s, -55° 54′ 33.1″
position:(41.5663, -55.9092 ± 6.4″)
UVOT No position available.
Galactic NHI:2.85×100 cm-2
Galactic E(B-V):0.028 mag
Best RA:02h 46m 15.91s= 41.5663 d
Best Dec:-55° 54′ 33.1″= -55.9092 d
Gal Lat:-54.6
Gal Long:275.24
Sun angle:75.71°, 0.8 hr West

1Sper #1 auto processing.

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 2 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′41.56630-55.90920GCN #21097GRB 170516A: Swift detection of a burstVizier logo
4.9′′41.56858-55.90967GCN #21098GRB 170516A: Enhanced Swift-XRT positionVizier logo
84.8′′41.54333-55.92894GCN #21102GRB 170516A: Swift-BAT refined analysisVizier logo

Catalogue Searches. Searched 3.33′ 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

* 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
18.941.5742-55.9064B=18.4, R2=17.4, i=16.8SSSQuery vizier around this object
19.041.5741-55.9062B2=16.2, I=17.0, R1=15.9, R2=15.8USNO-B1Query vizier around this object
19.341.5746-55.9064Mag=18.55NEDQuery vizier around this object
49.441.5513-55.8983Mag=18.55NEDQuery vizier around this object
65.941.5347-55.9047B=22.3SSSQuery vizier around this object
68.441.5562-55.8911Mag=18.55NEDQuery vizier around this object
70.141.5574-55.8904B=21.6, R2=20.8SSSQuery vizier around this object
70.241.5573-55.8904B2=20.6, R2=20.7USNO-B1Query vizier around this object
74.941.6034-55.9082B=21.5, R2=20.3SSSQuery vizier around this object
75.641.5933-55.8946B2=20.7, R2=20.8USNO-B1Query vizier around this object


There are 49 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
19.641.5744-55.9062h=15.6, j=16.4, k=15.52MASSQuery vizier around this object
38.941.5478-55.9121B2=20.4, I=19.1, R2=20.5USNO-B1Query vizier around this object
43.441.5471-55.9147B2=20.7, I=18.5, R1=19.4, R2=19.7USNO-B1Query vizier around this object
43.441.5471-55.9146h=15.8, j=16.9, k=15.42MASSQuery vizier around this object
49.641.5514-55.8982B2=20.2, I=19.1, R1=19.3, R2=19.9USNO-B1Query vizier around this object
52.341.5533-55.9218B2=20.7, R1=19.7USNO-B1Query vizier around this object
57.441.5937-55.9051B2=18.4, I=14.9, R1=16.1, R2=16.5USNO-B1Query vizier around this object
57.441.5938-55.9051h=13.3, j=13.9, k=13.12MASSQuery vizier around this object
66.741.5905-55.8966B2=20.7, R1=19.6, R2=19.8USNO-B1Query vizier around this object
74.541.6031-55.9080R1=19.5, R2=20.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 70 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.