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Swift Trigger: 735188

Presumed name: GRB 170126A

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BAT 17h 34m 18.96s, -64° 45′ 25.2″
position:(263.579, -64.757 ± 180″)
XRT 17h 34m 31.86s, -64° 45′ 37.7″
position:(263.63274, -64.76048 ± 3.8″)
UVOT 17h 34m 31.94s, -64° 45′ 36.7″
position:(263.6331, -64.7602 ± 0.6″)
Galactic NHI:5.50×100 cm-2
Galactic E(B-V):0.074 mag
Best RA:17h 34m 31.94s= 263.6331 d
Best Dec:-64° 45′ 36.7″= -64.7602 d
Gal Lat:-16.71
Gal Long:327.79
Sun angle:55.00°, 3.0 hr West

1Sper #2 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 white image

white image

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 3 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′′263.63313-64.76028GCN #20530GRB 170126A: Swift detection of a burst with an optical counterpartVizier logo
0.6′′263.63321-64.76036GCN #20534GRB 170126A: Swift/UVOT Detection of a Fading AfterglowVizier logo
1.6′′263.63308-64.76064GCN #20531GRB 170126A: Enhanced Swift-XRT positionVizier logo
24.1′′263.62250-64.75525GCN #20557GRB 170126A� 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
155.7263.5413-64.7792LEDA 319312Query vizier around this object
182.8263.6900-64.80502MASS J17344564-6448179B=14.604, H=11.809, J=12.198, K=11.71, R=13.69, V=13.756, i=13.284Query 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
20.6263.6193-64.7602B2=21.6, R1=18.8, R2=20.7USNO-B1Query vizier around this object
21.7263.6258-64.7552B=21.3, R2=20.9SSSQuery vizier around this object
29.2263.6150-64.7628NEDQuery vizier around this object
30.0263.6449-64.7539B=20.4, R2=18.9, i=18.2SSSQuery vizier around this object
43.9263.6614-64.7602B=22.0SSSQuery vizier around this object
46.0263.6456-64.7489B2=19.7, R1=18.8USNO-B1Query vizier around this object
46.1263.6094-64.7524B=22.0, R2=20.4, i=18.7SSSQuery vizier around this object
46.8263.6125-64.7508B=18.7, R2=17.9, i=17.0SSSQuery vizier around this object
50.6263.6046-64.7678B=18.7, R2=18.0, i=16.9SSSQuery vizier around this object
52.5263.6587-64.7697NEDQuery vizier around this object


There are 167 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
6.2263.6290-64.7598h=15.7, j=15.9, k=15.32MASSQuery vizier around this object
6.5263.6289-64.7598B2=18.2, I=17.2, R1=16.8, R2=17.1USNO-B1Query vizier around this object
10.1263.6293-64.7629B2=19.5, I=18.0, R1=17.8, R2=18.9USNO-B1Query vizier around this object
20.4263.6425-64.7566I=18.6, R1=18.5USNO-B1Query vizier around this object
28.4263.6162-64.7569h=15.4, j=16.0, k=15.32MASSQuery vizier around this object
28.7263.6161-64.7569B2=18.9, I=17.5, R1=17.0, R2=17.7USNO-B1Query vizier around this object
29.1263.6148-64.7631B2=16.3, I=14.8, R1=15.2, R2=15.3USNO-B1Query vizier around this object
29.1263.6148-64.7631h=14.1, j=14.5, k=14.22MASSQuery vizier around this object
30.1263.6448-64.7539B2=19.5, I=18.5, R1=17.8, R2=19.1USNO-B1Query vizier around this object
30.8263.6179-64.7547B2=19.1, I=18.1, R1=17.6, R2=18.7USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 574 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.