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Swift Trigger: 650977

Presumed name: GRB 150801B

Back to trigger list.

BAT 05h 31m 50.16s, -05° 23′ 13.2″
position:(82.959, -5.387 ± 180″)
XRT 05h 31m 51.89s, -05° 23′ 20.0″
position:(82.9662, -5.3889 ± 2.0″)
UVOT No position available.
Galactic NHI:1.49×100 cm-2
Galactic E(B-V):0.383 mag
Best RA:05h 31m 51.89s= 82.9662 d
Best Dec:-05° 23′ 20.0″= -5.3889 d
Gal Lat:-20.14
Gal Long:208.6
Sun angle:53.34°, 3.2 hr West

1Sper #8 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 11 SPER messages, and 2 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
1.4′′82.96622-5.38930GCN #18108GRB 150801B: Enhanced Swift-XRT positionVizier logo
2.5′′82.96662-5.38833GCN #18104GRB 150801B: Swift detection of a burstVizier logo
55.0′′82.96125-5.37444GCN #18110GRB 150801B: 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
12.182.9655-5.38562MASS J05315171-0523082H=10.492, J=12.006, K=9.709, V=18.79Query vizier around this object
37.982.9748-5.39502MASS J05315394-0523420H=9.961, J=11.557, K=9.237, V=20.1Query vizier around this object
91.182.9441-5.40142MASS J05314657-0524049H=12.084, J=12.750, K=11.729, V=16.83Query vizier around this object
112.882.9352-5.39422MASS J05314443-0523391B=14.800, H=10.678, J=11.061, K=10.459, R=13.900, V=13.77Query vizier around this object
120.582.9998-5.39102MASS J05315993-0523274H=11.931, J=13.015, K=11.519, V=18.66Query vizier around this object
121.082.9330-5.3950Parenago 758B=14.8, V=13.9Query vizier around this object
132.682.9334-5.4059Parenago 754B=13.9, H=11.322, J=11.701, K=11.234, V=13.2Query vizier around this object
156.983.0097-5.3937V* V1653 OriB=18.800, H=12.627, I=14.21, J=13.298, K=12.392, R=16.300Query vizier around this object

There are 8 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
8.582.9675-5.3869B=22.0, R2=20.8, i=19.5SSSQuery vizier around this object
9.082.9674-5.3867I=18.0, R1=18.1, R2=18.7USNO-B1Query vizier around this object
10.082.9665-5.3861R1=17.1, R2=18.8USNO-B1Query vizier around this object
12.282.9657-5.3856B=19.7, R2=17.2, i=15.5SSSQuery vizier around this object
37.282.9746-5.3950B=22.4, R2=18.3, i=15.8SSSQuery vizier around this object
63.982.9500-5.3964I=18.6, R1=19.3, R2=19.8USNO-B1Query vizier around this object
66.482.9599-5.4062B=22.1SSSQuery vizier around this object
84.482.9895-5.3855B1=19.4, I=18.5USNO-B1Query vizier around this object
90.182.9893-5.3987B1=20.2, I=18.7, R2=19.2USNO-B1Query vizier around this object
93.682.9812-5.3676B=20.9SSSQuery vizier around this object


There are 29 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
11.882.9656-5.3857B1=19.8, B2=18.4, I=13.7, R1=15.7, R2=14.4USNO-B1Query vizier around this object
12.182.9655-5.3856h=10.5, j=12.0, k=9.72MASSQuery vizier around this object
17.282.9669-5.3842B1=20.0, B2=21.9, I=18.2USNO-B1Query vizier around this object
37.882.9748-5.3950I=15.4, R1=18.6, R2=17.5USNO-B1Query vizier around this object
37.882.9748-5.3950h=10.0, j=11.6, k=9.22MASSQuery vizier around this object
52.882.9790-5.3962I=18.2, R2=19.1USNO-B1Query vizier around this object
52.882.9789-5.3963h=15.2, j=15.7, k=14.72MASSQuery vizier around this object
54.082.9524-5.3830h=14.2, j=17.2, k=12.52MASSQuery vizier around this object
57.882.9785-5.3994h=16.0, j=17.4, k=16.42MASSQuery vizier around this object
63.882.9796-5.4005h=15.9, j=17.6, k=15.32MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 80 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.