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Swift Trigger: 850471

Presumed name: GRB 180728A

Back to trigger list.

BAT 16h 54m 16.56s, -54° 01′ 51.6″
position:(253.569, -54.031 ± 180″)
XRT 16h 54m 15.55s, -54° 02′ 37.3″
position:(253.5648, -54.0437 ± 5.8″)
UVOT No position available.
Galactic NHI:1.93×100 cm-2
Galactic E(B-V):0.311 mag
Best RA:16h 54m 15.55s= 253.5648 d
Best Dec:-54° 02′ 37.3″= -54.0437 d
Gal Lat:-6.51
Gal Long:333.96
Sun angle:126.03°, -8.4 hr East of Sun

1Sper #0 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.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′253.56480-54.04370GCN #23049GRB 180728A: Swift-XRT observationsVizier logo
2.6′′253.56563-54.04424GCN #23048GRB 180728A: MASTER OT (= new object) detection Vizier logo
2.6′′253.56563-54.04424GCN #23050GRB 180728A: MASTER OT J165415.75-540239.27 is the Optical Counterpart of GRBVizier logo
2.9′′253.56471-54.04450GCN #23064GRB 180728A: Swift/UVOT DetectionVizier logo
2.9′′253.56472-54.04451GCN #23066GRB 180728A: A long GRB of the X-ray flash (XRF) subclass� expecting supernova appearanceVizier logo
3.1′′253.56512-54.04453GCN #23051GRB 180728A: Enhanced Swift-XRT positionVizier logo
30.3′′253.57375-54.03714GCN #23054GRB 180728A: Swift-BAT refined analysisVizier logo
46.6′′253.56900-54.03100GCN #23046GRB 180728A: Swift detection of a bright burstVizier 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).

SIMBAD

RA*Dec*SIMBAD name Query
97.4253.5292-54.0265TYC 8726-1381-1B=11.95, G=9.5171, H=6.223, J=7.076, K=5.975, V=10.42Query vizier around this object
100.9253.5806-54.0172IRAS 16503-5356Query vizier around this object
105.1253.5312-54.0652TYC 8726-1670-1B=11.76, G=10.3394, H=7.855, J=8.474, K=7.726, V=10.82Query vizier around this object
174.9253.5211-54.0849TYC 8726-1409-1B=11.72, H=10.758, J=10.871, K=10.735, V=11.48Query vizier around this object

There are 4 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.

Galaxies

RA*Dec*Redshift CatalogueQuery
2.5253.5643-54.0443B2=20.6, R2=20.3USNO-B1Query vizier around this object
5.7253.5675-54.0436NEDQuery vizier around this object
7.8253.5674-54.0422B2=16.9, R1=17.2USNO-B1Query vizier around this object
8.9253.5663-54.0460B2=18.6, R2=18.9USNO-B1Query vizier around this object
12.1253.5658-54.0406NEDQuery vizier around this object
13.9253.5582-54.0437B2=17.2, R2=17.2USNO-B1Query vizier around this object
14.0253.5582-54.0441B2=18.2, R2=19.0USNO-B1Query vizier around this object
14.2253.5712-54.0442NEDQuery vizier around this object
14.2253.5708-54.0453NEDQuery vizier around this object
15.0253.5689-54.0403B2=16.1, I=12.9, R2=12.7USNO-B1Query vizier around this object

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

There are 2150 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
5.7253.5675-54.0437h=13.9, j=14.5, k=13.92MASSQuery vizier around this object
6.8253.5679-54.0432B2=16.0, I=14.8, R1=15.4, R2=14.7USNO-B1Query vizier around this object
12.1253.5661-54.0404h=14.6, j=16.1, k=14.62MASSQuery vizier around this object
13.8253.5710-54.0448I=15.8, R1=16.7, R2=15.3USNO-B1Query vizier around this object
13.8253.5712-54.0445B2=16.5, I=15.2, R1=16.0, R2=15.4USNO-B1Query vizier around this object
14.1253.5714-54.0442h=14.9, j=15.3, k=15.02MASSQuery vizier around this object
14.2253.5709-54.0454h=15.5, j=16.2, k=14.92MASSQuery vizier around this object
15.2253.5578-54.0428B2=17.3, R1=18.4, R2=17.8USNO-B1Query vizier around this object
15.8253.5680-54.0397B2=14.0, I=13.4, R1=13.9, R2=13.1USNO-B1Query vizier around this object
16.7253.5679-54.0394h=12.8, j=13.1, k=12.82MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 900 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.