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Swift Trigger: 775553

Presumed name: GRB 171001A

Back to trigger list.

BAT 01h 28m 21.12s, -11° 53′ 34.8″
position:(22.088, -11.893 ± 180″)
XRT 01h 28m 18.58s, -11° 53′ 38.8″
position:(22.0774, -11.8941 ± 2.1″)
UVOT No position available.
Galactic NHI:3.24×100 cm-2
Galactic E(B-V):0.030 mag
Best RA:01h 28m 18.58s= 22.0774 d
Best Dec:-11° 53′ 38.8″= -11.8941 d
Gal Lat:-72.48
Gal Long:154.31
Sun angle:159.16°, 11.0 hr West

1Sper #4 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 white image

white image

UVOT white image

white 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
0.2′′22.07742-11.89417GCN #21952GRB 171001A: Enhanced Swift-XRT positionVizier logo
0.3′′22.07746-11.89403GCN #21946GRB 171001A: Swift detection of a burstVizier logo
1.4′′22.07779-11.89417GCN #21957GRB 171001A: Nanshan-0.36m optical afterglow detectionsVizier logo
121.2′′22.08000-11.92767GCN #21958GRB 171001A: 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
16.122.0775-11.8896I=18.2, R1=20.0, R2=19.9USNO-B1Query vizier around this object
44.622.0892-11.8987B=22.0SSSQuery vizier around this object
46.022.0818-11.9061R1=19.2, R2=20.1USNO-B1Query vizier around this object
50.122.0635-11.8911B1=20.4, B2=21.4, I=18.6, R2=19.8USNO-B1Query vizier around this object
66.922.0621-11.9050NEDQuery vizier around this object
73.922.0592-11.9042NEDQuery vizier around this object
75.222.0987-11.8960B=22.3SSSQuery vizier around this object
75.422.0671-11.9125Mag=17.57NEDQuery vizier around this object
78.622.0967-11.9050B=20.4, R2=18.5, i=18.3SSSQuery vizier around this object
79.322.0556-11.8887B=22.1SSSQuery vizier around this object


There are 59 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
15.722.0777-11.8898h=16.0, j=16.5, k=15.32MASSQuery vizier around this object
24.622.0745-11.9003B1=21.0, B2=20.8, I=18.7, R1=18.9, R2=19.2USNO-B1Query vizier around this object
25.722.0777-11.9012h=15.9, j=18.6, k=17.12MASSQuery vizier around this object
33.222.0705-11.8878B1=21.0, R1=19.5, R2=20.7USNO-B1Query vizier around this object
37.222.0674-11.8975h=16.2, j=17.3, k=15.32MASSQuery vizier around this object
37.222.0673-11.8973B1=21.1, B2=20.2, I=18.7, R1=18.9, R2=18.9USNO-B1Query vizier around this object
66.722.0676-11.9099h=15.6, j=16.3, k=15.22MASSQuery vizier around this object
66.822.0676-11.9100B1=19.8, B2=18.3, I=16.5, R1=17.4, R2=16.9USNO-B1Query vizier around this object
66.822.0622-11.9052h=11.4, j=11.7, k=11.32MASSQuery vizier around this object
67.222.0621-11.9052B1=13.7, B2=12.9, I=12.0, R1=12.0, R2=12.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 86 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.