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Swift Trigger: 849018

Presumed name: GRB 180721A

Back to trigger list.

BAT 23h 10m 46.80s, +04° 52′ 48.0″
position:(347.695, 4.880 ± 180″)
XRT 23h 10m 50.62s, +04° 51′ 21.2″
position:(347.7109, 4.8559 ± 2.1″)
UVOT No position available.
Galactic NHI:5.16×100 cm-2
Galactic E(B-V):0.070 mag
Best RA:23h 10m 50.62s= 347.7109 d
Best Dec:+04° 51′ 21.2″= 4.8559 d
Gal Lat:-49.83
Gal Long:81.9
Sun angle:127.20°, 8.9 hr West

1Sper #5 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

No UVOT images are currently available.


XRT SPER data

SPER results page for this trigger.

Image of the SPER data

There are 10 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
3.7′′347.710044.85531GCN #22994GRB 180721A: Swift detection of a burstVizier logo
4.2′′347.711674.85678GCN #22997GRB 180721A: Enhanced Swift-XRT positionVizier logo
55.3′′347.708004.87100GCN #23001GRB 180721A: 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).

SIMBAD

RA*Dec*SIMBAD name Query
94.7347.69594.8343SDSS J231047.00+045003.3G=20.7812, g=21.353, i=21.316, r=21.305, u=21.794, z=20.908Query 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.

Galaxies

RA*Dec*Redshift CatalogueQuery
30.2347.71614.8625B=21.0, R=20.0APM-NQuery vizier around this object
34.3347.71884.8612B=21.5, R=20.0APM-NQuery vizier around this object
35.9347.70474.8637B=21.6, R=19.3APM-NQuery vizier around this object
51.4347.71214.8417I=17.5, R1=19.2, R2=19.8USNO-B1Query vizier around this object
51.5347.71184.8416I=17.7, R1=19.5USNO-B1Query vizier around this object
59.3347.72614.8494R1=19.5, R2=20.6USNO-B1Query vizier around this object
67.9347.72974.8538I=17.9, R2=18.5USNO-B1Query vizier around this object
79.6347.73034.8452R1=19.6, R2=20.4USNO-B1Query vizier around this object
90.2347.73314.8441B1=19.9, B2=18.4, R1=19.5USNO-B1Query vizier around this object
90.8347.71844.8800B=21.6, R=19.9APM-NQuery vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 80 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

Stars

RA*Dec* CatalogueQuery
11.0347.71264.8585B1=17.3, B2=17.5, I=15.4, R1=16.7, R2=15.9USNO-B1Query vizier around this object
11.0347.71264.8584h=14.9, j=15.3, k=14.62MASSQuery vizier around this object
15.0347.71144.8518I=17.9, R2=20.6USNO-B1Query vizier around this object
19.5347.70554.8568B1=19.6, B2=20.1USNO-B1Query vizier around this object
27.9347.70924.8484B2=20.1, R2=20.6USNO-B1Query vizier around this object
29.4347.71604.8623B1=19.7, B2=21.0, I=17.9, R2=20.1USNO-B1Query vizier around this object
35.9347.70484.8638B2=19.7, R1=19.2, R2=20.4USNO-B1Query vizier around this object
38.7347.71164.8452B1=19.9, B2=19.9, I=16.6, R1=18.6, R2=17.8USNO-B1Query vizier around this object
38.8347.71174.8451h=15.9, j=16.2, k=15.62MASSQuery vizier around this object
50.3347.72464.8587B2=19.6, R1=19.5, R2=18.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 70 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.