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Swift Trigger: 642018

Presumed name: GRB 150530A

Back to trigger list.

BAT 21h 50m 05.52s, +57° 29′ 24.0″
position:(327.523, 57.490 ± 180″)
XRT 21h 50m 02.62s, +57° 30′ 59.0″
position:(327.5109, 57.5164 ± 3.3″)
UVOT No position available.
Galactic NHI:8.57×100 cm-2
Galactic E(B-V):2.089 mag
Best RA:21h 50m 02.62s= 327.5109 d
Best Dec:+57° 30′ 59.0″= 57.5164 d
Gal Lat:2.79
Gal Long:100.44
Sun angle:76.61°, 6.6 hr West

1Sper #1 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 1 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′′327.5109057.51640GCN #17888GRB 150530A: Swift detection of a burstVizier logo
4.2′′327.5129657.51681GCN #17889GRB 150530A: Enhanced Swift-XRT positionVizier logo
8.4′′327.5108357.51872GCN #17890GRB 150530A: 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

* 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
2.8327.509557.5166B1=20.1, B2=20.5USNO-B1Query vizier around this object
19.8327.521157.5164B2=20.5, I=18.3USNO-B1Query vizier around this object
29.6327.497557.5204B2=20.8, I=18.0, R1=17.7, R2=18.7USNO-B1Query vizier around this object
30.7327.510757.5079B1=20.2, B2=20.5, I=17.4, R1=18.3, R2=18.2USNO-B1Query vizier around this object
32.8327.511057.5073B2=20.4, I=17.3, R1=18.2, R2=18.0USNO-B1Query vizier around this object
33.1327.524557.5108B2=20.5, R1=18.9USNO-B1Query vizier around this object
33.9327.523657.5099B1=20.2, B2=20.4, I=18.2, R2=18.8USNO-B1Query vizier around this object
41.0327.489857.5173I=16.7, R1=18.5, R2=19.3USNO-B1Query vizier around this object
41.5327.502657.5058B2=19.3, I=17.4, R2=18.1USNO-B1Query vizier around this object
43.4327.488557.5173B2=20.7, I=17.2, R1=18.4, R2=18.1USNO-B1Query vizier around this object


There are 223 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
3.4327.510557.5173I=17.5, R1=18.2USNO-B1Query vizier around this object
3.6327.510057.5173h=15.4, j=15.9, k=15.12MASSQuery vizier around this object
3.9327.510057.5174B2=20.3, R1=18.5, R2=18.3USNO-B1Query vizier around this object
16.1327.506857.5203h=14.3, j=15.0, k=14.12MASSQuery vizier around this object
16.3327.506857.5204B1=19.9, B2=19.5, I=16.6, R1=17.9, R2=17.6USNO-B1Query vizier around this object
21.6327.522057.5158I=17.9, R1=19.1, R2=19.2USNO-B1Query vizier around this object
22.3327.522457.5158I=18.4, R2=19.6USNO-B1Query vizier around this object
25.1327.514457.5097B2=20.6, I=18.1, R1=18.5, R2=19.1USNO-B1Query vizier around this object
25.2327.514457.5097h=16.1, j=16.5, k=15.42MASSQuery vizier around this object
26.9327.499157.5203B2=20.7, I=18.1, R1=18.7USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 783 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.