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Swift Trigger: 843211

Presumed name: GRB 180620B

Back to trigger list.

BAT 23h 50m 04.08s, -57° 57′ 25.2″
position:(357.517, -57.957 ± 180″)
XRT 23h 50m 05.09s, -57° 57′ 46.1″
position:(357.5212, -57.9628 ± 2.3″)
UVOT 23h 50m 05.09s, -57° 57′ 43.9″
position:(357.5212, -57.9622 ± 0.8″)
Galactic NHI:1.34×100 cm-2
Galactic E(B-V):0.013 mag
Best RA:23h 50m 05.09s= 357.5212 d
Best Dec:-57° 57′ 43.9″= -57.9622 d
Gal Lat:-57.33
Gal Long:318
Sun angle:110.43°, 6.1 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

No UVOT images are currently available.


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
0.2′′357.52125-57.96225GCN #22807GRB 180620B: Swift detection of a burst with an optical counterpartVizier logo
0.8′′357.52122-57.96243GCN #22814GRB 180620B: Enhanced Swift-XRT positionVizier logo
32.6′′357.51400-57.95400GCN #22821GRB 180620B: 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
68.9357.5571-57.9608LEDA 383688Query vizier around this object
83.9357.4779-57.9589LEDA 383708Query vizier around this object
117.2357.4988-57.9931UCAC2 6713406B=13.37, H=10.626, I=11.66, J=11.017, K=10.538, R=12.34, V=12.57, g=12.93, i=12.08, r=12.30Query 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
12.5357.5215-57.9663I=18.9, R2=24.1USNO-B1Query vizier around this object
31.8357.5362-57.9583NEDQuery vizier around this object
34.4357.5033-57.9614NEDQuery vizier around this object
41.1357.5217-57.9742I=18.9, R1=19.6, R2=20.0USNO-B1Query vizier around this object
53.9357.5232-57.9777B=22.0, R2=21.2SSSQuery vizier around this object
54.1357.5025-57.9508NEDQuery vizier around this object
56.3357.5396-57.9500NEDQuery vizier around this object
56.8357.5184-57.9785B=21.6, R2=19.0, i=18.6SSSQuery vizier around this object
57.8357.5181-57.9788B2=20.7, I=19.0, R2=20.0USNO-B1Query vizier around this object
58.6357.5187-57.9783Mag=19.1NEDQuery vizier around this object


There are 86 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
32.5357.5360-57.9584B2=19.3, I=16.4, R1=16.9, R2=17.1USNO-B1Query vizier around this object
32.8357.5362-57.9584h=14.7, j=15.3, k=14.42MASSQuery vizier around this object
34.6357.5033-57.9614h=16.1, j=16.7, k=15.82MASSQuery vizier around this object
34.8357.5032-57.9614B2=19.3, I=17.7, R1=17.1, R2=17.6USNO-B1Query vizier around this object
55.2357.5027-57.9510B2=20.6, I=17.8, R2=20.3USNO-B1Query vizier around this object
55.7357.5025-57.9509h=14.9, j=15.6, k=14.72MASSQuery vizier around this object
56.0357.5025-57.9508B2=20.6, I=17.6, R1=19.1, R2=19.8USNO-B1Query vizier around this object
56.2357.5182-57.9783B2=20.6, I=18.5, R2=19.9USNO-B1Query vizier around this object
57.1357.5184-57.9786B2=20.7, I=19.0, R1=19.1, R2=19.5USNO-B1Query vizier around this object
58.0357.5395-57.9500B2=20.4, I=18.4, R1=18.6, R2=19.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 80 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.