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Swift Trigger: 609736

Presumed name: GRB 140817A

Back to trigger list.

BAT 08h 29m 01.44s, +58° 11′ 20.4″
position:(127.256, +58.189 ± 180″)
XRT 08h 29m 03.29s, +58° 11′ 22.9″
position:(127.2637, 58.1897 ± 2.1″)
UVOT No position available.
Galactic NHI:5.48×100 cm-2
Galactic E(B-V):0.126 mag
Best RA:08h 29m 03.29s= 127.2637 d
Best Dec:+58° 11′ 22.9″= 58.1897 d
Gal Lat:35.54
Gal Long:159.08
Sun angle:46.97°, 1.3 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 4 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
1.2′′127.2639458.19002GCN #16697GRB 140817A: Enhanced Swift-XRT positionVizier logo
1.9′′127.2633758.19019GCN #16710GRB 140817A: Swift/UVOT Afterglow DetectionVizier logo
2.2′′127.2646058.19010GCN #16696GRB 140817A: Swift-XRT positionVizier logo
14.8′′127.2560058.18900GCN #16695GRB 140817A: Swift detection of a burstVizier logo
37.7′′127.2440058.19100GCN #16699GRB 140817A: 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
70.8127.227458.1942SDSSCGB 69811.4g=21.837, i=22.187, r=21.008, u=23.046, z=21.672Query vizier around this object
76.8127.226958.1985SDSSCGB 69811.1g=22.630, i=20.357, r=21.003, u=24.768, z=20.168Query vizier around this object
76.9127.225458.1967SDSSCGB 69811Query vizier around this object
77.6127.223658.1940SDSSCGB 69811.3g=21.706, i=22.065, r=21.704, u=23.877, z=23.776Query vizier around this object
84.1127.223458.1994SDSSCGB 69811.2g=23.846, i=19.980, r=21.117, u=22.996, z=19.016Query vizier around this object
98.2127.219558.2039MCG+10-12-141B=16.0, H=11.267, J=12.085, K=11.018Query vizier around this object

There are 6 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
13.4127.256758.1897Mag=22.9NEDQuery vizier around this object
13.5127.256658.1897R=21.7, g=22.9, i=21.3, u=25.6, z=21.1SDSSQuery vizier around this object
16.2127.265258.1941B=21.9, R=17.8APM-NQuery vizier around this object
19.5127.264658.1950Mag=21.3NEDQuery vizier around this object
22.8127.264758.1834B=21.9, R=18.9APM-NQuery vizier around this object
25.0127.256758.1839Mag=20.4NEDQuery vizier around this object
25.0127.256758.1838R=19.1, g=20.2, i=18.6, u=21.1, z=17.9SDSSQuery vizier around this object
25.3127.263358.1967Mag=22.6NEDQuery vizier around this object
25.9127.256158.1837B2=19.8, I=18.1, R1=18.3USNO-B1Query vizier around this object
26.1127.255858.1837B=21.6, R=18.6APM-NQuery vizier around this object


There are 318 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
19.2127.264458.1950h=16.2, j=16.6, k=15.52MASSQuery vizier around this object
19.5127.264558.1951I=18.8, R=19.6, g=21.3, u=25.3, z=18.2SDSSQuery vizier around this object
19.6127.264258.1951B2=20.9, I=18.3, R1=19.1, R2=19.5USNO-B1Query vizier around this object
20.5127.258958.1846I=22.1, R=22.6, g=23.4, u=25.5, z=21.5SDSSQuery vizier around this object
22.8127.255758.1850I=22.3, R=24.9, g=24.2, u=25.5, z=22.1SDSSQuery vizier around this object
24.8127.256558.1839B1=20.3, R2=18.3USNO-B1Query vizier around this object
25.3127.263558.1967I=19.8, R=20.9, g=22.6, u=24.6, z=19.1SDSSQuery vizier around this object
36.9127.245158.1866I=15.4, R=15.6, g=16.3, u=17.9, z=15.2SDSSQuery vizier around this object
37.0127.245158.1866h=14.0, j=14.4, k=13.92MASSQuery vizier around this object
37.1127.245058.1867B1=16.1, B2=16.3, I=14.6, R1=15.1, R2=15.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 199 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.