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Swift Trigger: 743065

Presumed name: GRB 170318A

Back to trigger list.

BAT 20h 22m 34.80s, +28° 24′ 31.7″
position:(305.645, 28.4088 ± 180″)
XRT 20h 22m 40.01s, +28° 24′ 23.4″
position:(305.6667, 28.4065 ± 2.2″)
UVOT No position available.
Galactic NHI:3.01×100 cm-2
Galactic E(B-V):0.896 mag
Best RA:20h 22m 40.01s= 305.6667 d
Best Dec:+28° 24′ 23.4″= 28.4065 d
Gal Lat:-4.96
Gal Long:68.46
Sun angle:58.14°, 3.51 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.


XRT SPER data

SPER results page for this trigger.

Image of the SPER data

There are 5 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
0.4′′305.6667928.40658GCN #20905GRB 170318A: Prompt enhanced Swift-XRT positionVizier logo
2.7′′305.6673228.40600GCN #20907GRB 170318A: Enhanced Swift-XRT positionVizier logo
3.3′′305.6656728.40653GCN #20904GRB 170318A: Swift detection of a burstVizier logo
15.8′′305.6620028.40800GCN #20912GRB 170318A: 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
105.5305.664928.3773TYC 2168-240-1B=12.70, H=10.689, J=10.883, K=10.599, V=12.33Query vizier around this object
197.5305.728728.4124TYC 2168-722-1B=11.96, H=10.171, J=10.433, K=10.106, V=11.44Query 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
17.0305.661728.4081B2=20.0, I=17.3, R1=18.6, R2=18.5USNO-B1Query vizier around this object
18.0305.661628.4043B2=19.9, I=17.6, R1=18.3, R2=18.4USNO-B1Query vizier around this object
23.3305.673128.4033B1=18.8, B2=18.8, I=16.1, R1=16.8, R2=17.0USNO-B1Query vizier around this object
25.4305.671628.4009B1=18.6, B2=18.6, I=16.5, R1=17.1, R2=17.3USNO-B1Query vizier around this object
29.7305.659228.4115B2=20.0, I=17.6, R1=18.4, R2=18.6USNO-B1Query vizier around this object
29.8305.674228.4115R1=18.9, R2=19.1USNO-B1Query vizier around this object
32.9305.663228.3979I=18.3, R1=18.6USNO-B1Query vizier around this object
36.3305.675928.4125B1=19.5, B2=19.7, I=17.8, R1=18.1, R2=18.4USNO-B1Query vizier around this object
37.4305.671428.4160B1=18.2, B2=18.0, I=14.9, R1=15.8, R2=16.3USNO-B1Query vizier around this object
40.3305.668728.3954B1=18.7, B2=18.4, I=15.2, R1=16.3, R2=16.5USNO-B1Query vizier around this object

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

There are 322 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
17.6305.661828.4042h=16.0, j=16.4, k=15.22MASSQuery vizier around this object
22.1305.671128.4113h=15.6, j=16.5, k=15.52MASSQuery vizier around this object
22.2305.671128.4113I=17.5, R1=18.4, R2=18.8USNO-B1Query vizier around this object
23.3305.673028.4032h=14.5, j=15.0, k=14.62MASSQuery vizier around this object
23.8305.659328.4074h=14.9, j=15.6, k=15.02MASSQuery vizier around this object
23.8305.659328.4075B1=19.2, B2=19.0, I=16.7, R1=17.5, R2=17.6USNO-B1Query vizier around this object
24.6305.659728.4094B2=20.1, I=18.1, R1=18.5, R2=19.1USNO-B1Query vizier around this object
25.5305.671628.4009h=14.8, j=15.3, k=14.62MASSQuery vizier around this object
27.2305.658728.4094h=15.8, j=16.6, k=16.02MASSQuery vizier around this object
29.7305.659228.4115h=15.7, j=16.1, k=15.22MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 524 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.