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Swift Trigger: 641698

Presumed name: GRB 150527A

Back to trigger list.

BAT 19h 15m 49.92s, +04° 11′ 38.4″
position:(288.958, +4.194 ± 180″)
XRT 19h 15m 50.38s, +04° 12′ 04.7″
position:(288.9599, 4.2013 ± 2.3″)
UVOT No position available.
Galactic NHI:4.23×100 cm-2
Galactic E(B-V):1.108 mag
Best RA:19h 15m 50.38s= 288.9599 d
Best Dec:+04° 12′ 04.7″= 4.2013 d
Gal Lat:-3.49
Gal Long:39.46
Sun angle:128.78°, 9.0 hr West

1Sper #3 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

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 4 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′′288.959904.20130GCN #17874GRB 150527A: Swift detection of a burstVizier logo
1.0′′288.959634.20139GCN #17877GRB 150527A: LCOGT McDonald observationsVizier logo
1.6′′288.959464.20131GCN #17898GRB 150527A: Continued RATIR ObservationsVizier logo
1.7′′288.959634.20169GCN #17881GRB150527A: REM - NIR afterglowVizier logo
2.3′′288.959884.20194GCN #17879GRB 150527A: Enhanced Swift-XRT positionVizier logo
23.9′′288.962004.19500GCN #17880GRB 150527A: Swift-BAT refined analysisVizier logo

There are 11 matches in total. See the full table for details.

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
173.6289.00654.2141TYC 472-972-1B=11.10, H=9.128, J=9.313, K=9.031, V=10.47Query 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
5.8288.96104.2024B1=20.0, R2=18.8USNO-B1Query vizier around this object
6.5288.95874.2000R1=20.0, R2=18.6USNO-B1Query vizier around this object
11.3288.96284.2001B2=18.8, R1=17.3USNO-B1Query vizier around this object
11.8288.96254.2033R1=17.9, R2=19.3USNO-B1Query vizier around this object
12.1288.96314.2002B1=18.3, B2=18.2, I=14.0, R1=14.9USNO-B1Query vizier around this object
13.8288.95714.2039B1=17.8, B2=18.2, R2=15.0USNO-B1Query vizier around this object
14.6288.96404.2014B1=18.6, B2=18.4, I=14.9, R1=15.5, R2=16.0USNO-B1Query vizier around this object
22.6288.96604.1999I=17.5, R1=19.4USNO-B1Query vizier around this object
23.3288.95424.1983B1=19.6, B2=18.6, I=15.5, R1=16.5, R2=16.6USNO-B1Query vizier around this object
24.7288.96504.2060I=17.1, R1=21.1, R2=19.0USNO-B1Query vizier around this object


There are 700 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
6.4288.95824.2008R1=18.3, R2=18.3USNO-B1Query vizier around this object
6.7288.95814.2008h=15.6, j=16.2, k=15.32MASSQuery vizier around this object
11.5288.95724.2030h=13.5, j=14.1, k=13.22MASSQuery vizier around this object
11.8288.95974.2046h=14.2, j=14.9, k=13.82MASSQuery vizier around this object
12.1288.96304.2001h=11.8, j=12.8, k=11.52MASSQuery vizier around this object
12.1288.95964.2046I=16.5, R1=16.9, R2=16.8USNO-B1Query vizier around this object
12.2288.95714.2032B1=17.0, B2=17.4, I=13.8, R1=14.6, R2=14.8USNO-B1Query vizier around this object
14.0288.95854.2049h=14.8, j=16.3, k=14.62MASSQuery vizier around this object
14.3288.96364.2028B1=17.4, B2=17.9, I=15.3, R1=15.3, R2=15.8USNO-B1Query vizier around this object
14.4288.96364.2029h=14.5, j=14.9, k=14.42MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 1375 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.