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Swift Trigger: 965484

Presumed name: GRB 200409A

Back to trigger list.

BAT 04h 02m 12.72s, -50° 14′ 49.2″
position:(60.553, -50.247 ± 180″)
XRT 04h 02m 08.78s, -50° 13′ 29.6″
position:(60.5366, -50.2249 ± 2.2″)
UVOT 04h 02m 08.74s, -50° 13′ 28.2″
position:(60.5364, -50.2245 ± 0.8″)
Galactic NHI:1.24×100 cm-2
Galactic E(B-V):0.010 mag
Best RA:04h 02m 08.74s= 60.5364 d
Best Dec:-50° 13′ 28.2″= -50.2245 d
Gal Lat:-47.21
Gal Long:258.8
Sun angle:68.61°, -2.8 hr East of Sun

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 6 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′′60.53646-50.22456GCN #27509GRB 200409A: Swift detection of a burst with an optical counterpartVizier logo
1.7′′60.53633-50.22497GCN #27510GRB 200409A: Enhanced Swift-XRT positionVizier logo
79.2′′60.55500-50.24300GCN #27519GRB 200409A: 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
8.960.5400-50.2253NEDQuery vizier around this object
25.060.5271-50.2208Mag=19.7NEDQuery vizier around this object
25.160.5400-50.2178Mag=19.7NEDQuery vizier around this object
25.560.5437-50.2297Mag=19.7NEDQuery vizier around this object
28.760.5237-50.2239Mag=19.7NEDQuery vizier around this object
31.460.5500-50.2256Mag=19.7NEDQuery vizier around this object
31.760.5263-50.2306Mag=19.7NEDQuery vizier around this object
34.760.5342-50.2150Mag=19.7NEDQuery vizier around this object
36.260.5208-50.2244Mag=19.7NEDQuery vizier around this object
40.360.5496-50.2172Mag=19.7NEDQuery vizier around this object


There are 237 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
24.160.5438-50.2298B2=22.0, R1=20.4, R2=20.4USNO-B1Query vizier around this object
26.660.5267-50.2211B2=21.3, R1=20.6, R2=20.8USNO-B1Query vizier around this object
29.360.5240-50.2239B2=21.1, I=18.3, R1=20.1, R2=19.8USNO-B1Query vizier around this object
36.560.5479-50.2178B2=22.5, R2=20.9USNO-B1Query vizier around this object
40.960.5495-50.2171B2=15.6, I=14.6, R1=15.1, R2=15.2USNO-B1Query vizier around this object
41.160.5497-50.2171h=14.2, j=14.5, k=14.22MASSQuery vizier around this object
58.060.5152-50.2164h=15.0, j=15.2, k=14.92MASSQuery vizier around this object
58.060.5150-50.2332R1=20.8, R2=20.8USNO-B1Query vizier around this object
58.260.5151-50.2164B2=16.4, I=15.4, R1=16.0, R2=16.2USNO-B1Query vizier around this object
67.860.5525-50.2090R1=20.9, R2=20.8USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 77 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.