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Swift Trigger: 737463

Presumed name: GRB 170208B

Back to trigger list.

BAT 08h 28m 37.20s, -09° 01′ 37.2″
position:(127.155, -9.027 ± 180″)
XRT 08h 28m 34.51s, -09° 01′ 48.4″
position:(127.1438, -9.0301 ± 2.1″)
UVOT No position available.
Galactic NHI:4.57×100 cm-2
Galactic E(B-V):0.046 mag
Best RA:08h 28m 34.51s= 127.1438 d
Best Dec:-09° 01′ 48.4″= -9.0301 d
Gal Lat:16.85
Gal Long:232.78
Sun angle:151.74°, -11.0 hr East of Sun

1Sper #5 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

UVOT u image

u image

UVOT u image

u image

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 9 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
0.3′′127.14383-9.03003GCN #20635GRB 170208B: Enhanced Swift-XRT positionVizier logo
1.2′′127.14389-9.02979GCN #20632GRB 170208B: Swift detection of a burstVizier logo
2.3′′127.14396-9.02947GCN #20651Correction to GCN 20640: GRB 170208B: GROND observationsVizier logo
10.3′′127.14396-9.02725GCN #20640GRB 170208B: GROND observationsVizier logo
11.9′′127.14500-9.02700GCN #20654GRB 170208B: Swift-BAT refined analysisVizier logo
206.0′′127.18121-9.07381ATEL #4063 PESSTO spectroscopic classification of optical transients Vizier logo

There are 11 matches in total. See the full table for details.

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
117.1127.1109-9.0283TYC 5428-2544-1B=12.19, H=10.664, J=10.901, K=10.608, V=12.31Query vizier around this object
144.2127.1067-9.0139LEDA 996333Query 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
2.1127.1438-9.0295B=22.3SSSQuery vizier around this object
15.9127.1438-9.0345B1=20.0, B2=20.1, I=17.6, R1=19.0, R2=19.0USNO-B1Query vizier around this object
40.7127.1325-9.0319NEDQuery vizier around this object
51.3127.1533-9.0408R1=19.4, R2=19.4USNO-B1Query vizier around this object
52.3127.1329-9.0204B=19.5, R2=18.2, i=17.4SSSQuery vizier around this object
54.3127.1569-9.0223B=19.2, R2=17.7, i=17.1SSSQuery vizier around this object
54.6127.1398-9.0447B=21.9, R2=20.6SSSQuery vizier around this object
68.4127.1336-9.0462B=20.3, R2=18.9, i=18.2SSSQuery vizier around this object
83.4127.1295-9.0485B=20.2, R2=18.7, i=17.9SSSQuery vizier around this object
85.7127.1416-9.0064B2=20.0, R1=19.3, R2=19.5USNO-B1Query vizier around this object


There are 55 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
5.5127.1423-9.0297B2=20.4, I=17.5, R1=18.9, R2=19.0USNO-B1Query vizier around this object
12.5127.1413-9.0326B1=20.4, B2=20.3, R2=19.3USNO-B1Query vizier around this object
18.4127.1450-9.0251B1=20.0, B2=20.1, I=17.4, R1=18.7, R2=18.3USNO-B1Query vizier around this object
18.6127.1451-9.0251h=16.0, j=17.0, k=15.72MASSQuery vizier around this object
21.2127.1425-9.0358B2=20.3, R1=19.0, R2=19.2USNO-B1Query vizier around this object
30.7127.1356-9.0327B2=20.4, I=17.6, R1=18.9, R2=18.8USNO-B1Query vizier around this object
33.3127.1378-9.0372h=16.2, j=16.6, k=16.62MASSQuery vizier around this object
33.5127.1378-9.0373B1=18.5, B2=18.6, I=17.2, R1=17.1, R2=17.5USNO-B1Query vizier around this object
40.6127.1325-9.0320h=13.9, j=14.2, k=13.92MASSQuery vizier around this object
40.6127.1326-9.0321B1=15.1, B2=15.8, I=14.7, R1=14.4, R2=15.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 187 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.