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Swift Trigger: 791922

Presumed name: GRB 171123A

Back to trigger list.

BAT 12h 24m 45.60s, +32° 31′ 51.6″
position:(186.190, 32.531 ± 180″)
XRT 12h 24m 58.13s, +32° 30′ 11.9″
position:(186.2422, 32.5033 ± 3.2″)
UVOT No position available.
Galactic NHI:1.79×100 cm-2
Galactic E(B-V):0.019 mag
Best RA:12h 24m 58.13s= 186.2422 d
Best Dec:+32° 30′ 11.9″= 32.5033 d
Gal Lat:82.14
Gal Long:168.21
Sun angle:73.20°, 3.5 hr West

1Sper #12 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 13 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
0.9′′186.2424632.50317GCN #22148GRB 171123A: Swift detection of a burstVizier logo
15.2′′186.2464132.50104GCN #22150GRB 171123A: Enhanced Swift-XRT positionVizier logo
17.0′′186.2470432.50094GCN #22162GRB 171123A: Tautenburg observationsVizier logo
133.2′′186.1983332.50347GCN #22153GRB 171123A: 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
45.6186.255932.5086FIRST J122501.4+323030Query vizier around this object
188.9186.180632.5109FIRST J122443.3+323039Query 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
10.6186.245432.5046R=21.8, g=22.9, i=22.8, u=22.5, z=21.0SDSSQuery vizier around this object
12.3186.240832.5000Mag=21.7NEDQuery vizier around this object
26.6186.247832.5090B=21.1, R=18.4APM-NQuery vizier around this object
26.6186.248332.5086Mag=20.1NEDQuery vizier around this object
35.9186.245132.4936R=21.9, g=23.3, i=21.3, u=23.5, z=21.1SDSSQuery vizier around this object
36.0186.245032.4936Mag=23.0NEDQuery vizier around this object
38.0186.248732.4943R=21.4, g=22.2, i=21.6, u=24.3, z=21.3SDSSQuery vizier around this object
38.0186.248632.4942R=22.2, g=22.8, i=21.8, u=23.7, z=21.1SDSSQuery vizier around this object
38.0186.248832.4942Mag=20.0NEDQuery vizier around this object
39.9186.234132.4945R=21.3, g=22.1, i=20.7, u=22.5, z=20.6SDSSQuery vizier around this object


There are 292 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
8.8186.239632.5022B2=21.1, R1=20.5, R2=20.7USNO-B1Query vizier around this object
12.3186.240832.5001I=20.7, R=20.9, g=21.7, u=22.9, z=20.4SDSSQuery vizier around this object
26.6186.248232.5087I=17.8, R=18.7, g=20.1, u=22.7, z=17.3SDSSQuery vizier around this object
26.6186.248232.5087h=15.5, j=16.1, k=15.52MASSQuery vizier around this object
26.9186.248332.5087B1=19.4, B2=19.7, I=17.0, R1=17.8, R2=18.3USNO-B1Query vizier around this object
35.9186.247232.5123I=22.0, R=24.0, g=24.5, u=25.6, z=23.4SDSSQuery vizier around this object
36.0186.245132.4936I=21.8, R=22.3, g=22.9, u=22.8, z=21.4SDSSQuery vizier around this object
39.4186.234532.4945B2=21.9, R2=20.8USNO-B1Query vizier around this object
43.6186.247732.4921I=22.4, R=22.8, g=23.7, u=23.8, z=21.9SDSSQuery vizier around this object
46.9186.255432.4965I=23.7, R=24.4, g=25.3, u=25.7, z=19.8SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 133 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.