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Swift Trigger: 754549

Presumed name: GRB 170526A

Back to trigger list.

BAT 00h 18m 49.92s, +01° 14′ 24.0″
position:(4.708, 1.240 ± 180″)
XRT 00h 18m 49.78s, +01° 16′ 38.3″
position:(4.7074, 1.2773 ± 4.9″)
UVOT No position available.
Galactic NHI:2.92×100 cm-2
Galactic E(B-V):0.025 mag
Best RA:00h 18m 49.78s= 4.7074 d
Best Dec:+01° 16′ 38.3″= 1.2773 d
Gal Lat:-60.53
Gal Long:106.18
Sun angle:60.45°, 3.9 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
0.0′′4.707401.27730GCN #21149GRB 170526A: Swift detection of a burstVizier logo
1.3′′4.707211.27700GCN #21151GRB 170526A: Enhanced Swift-XRT positionVizier logo
56.2′′4.723001.27700GCN #21156GRB 170526A� 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
186.84.74511.3129SDSS J001858.83+011846.4g=21.594, i=21.659, r=21.431, u=22.633, z=21.307Query vizier around this object
186.94.71871.22662MASS J00185248+0113357H=15.903, J=16.482, K=15.64, g=19.965, i=18.032, r=18.617, u=22.537, z=17.708Query vizier around this object
189.74.74981.2461SDSS J001859.96+011445.8g=20.382, i=20.279, r=20.331, u=20.654, z=19.973Query vizier around this object

There are 3 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
20.74.71251.2744NEDQuery vizier around this object
21.04.70701.2715B=21.9, R=19.9APM-NQuery vizier around this object
27.34.70231.2717B=21.7, R2=19.1, i=18.9SSSQuery vizier around this object
27.44.70291.2711NEDQuery vizier around this object
28.34.70201.2716B=21.4, R=19.6APM-NQuery vizier around this object
33.54.71421.2709B=22.5, i=18.7SSSQuery vizier around this object
37.34.69991.2701B1=20.9, I=18.4, R2=19.9USNO-B1Query vizier around this object
49.14.69701.2861B=21.8, R=20.0APM-NQuery vizier around this object
50.24.69961.2658NEDQuery vizier around this object
51.64.69311.2761B=21.0, R=18.0APM-NQuery vizier around this object


There are 176 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
27.24.70231.2718B1=20.1, B2=21.2, I=18.6, R1=19.5, R2=19.8USNO-B1Query vizier around this object
34.04.69861.2740B1=18.5, I=18.3, R2=19.6USNO-B1Query vizier around this object
48.84.71011.2640I=20.7, R=22.0, g=23.8, u=25.3, z=20.5SDSSQuery vizier around this object
49.24.69741.2867B1=20.0, R2=20.0USNO-B1Query vizier around this object
51.24.69321.2762B1=20.2, B2=20.0, I=17.9, R1=18.0, R2=18.2USNO-B1Query vizier around this object
51.54.69321.2761h=16.1, j=16.8, k=15.82MASSQuery vizier around this object
55.64.70361.2623I=21.7, R=22.9, g=25.5, u=22.9, z=21.4SDSSQuery vizier around this object
64.04.72331.2694B1=19.9, R1=19.7USNO-B1Query vizier around this object
67.54.69581.2626B1=20.2, B2=20.6, R1=19.6, R2=19.7USNO-B1Query vizier around this object
74.54.68731.2823B2=20.7, R1=19.8, R2=19.8USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 95 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.