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Home > GRB region information > 765008

Swift Trigger: 765008

Presumed name: GRB 170728A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	03h 55m 35.52s, +12° 09′ 10.8″
position:	(58.898, 12.153 ± 180″)
XRT	03h 55m 33.23s, +12° 10′ 59.3″
position:	(58.88846, 12.18313 ± 3.7″)
UVOT	No position available.
Galactic NHI:	1.31×100 cm-2
Galactic E(B-V):	0.274 mag

Best RA:	03h 55m 33.23s	= 58.88846 d
Best Dec:	+12° 10′ 59.3″	= 12.18313 d
Gal Lat:	-30.52
Gal Long:	177.68
Sun angle:	66.08°, 4.6 hr West

¹Sper #2 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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XRT SPER data

SPER results page for this trigger.

There are 4 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 03 55 33.23 ( 58.88845)
  • Dec (J2000): +12 10 58.9 ( 12.18303)
  • Error (90%): 3.713"
  • Counts in Source: 87

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.0′′	58.88846	12.18313		GCN #21367	GRB 170728A: Swift detection of a burst
4.7′′	58.88821	12.18186		GCN #21386	GRB 170728A: Swift/UVOT Detection
6.0′′	58.88831	12.18148		GCN #21368	GRB 170728A: Enhanced Swift-XRT position
67.3′′	58.90100	12.16900		GCN #21370	GRB 170728A: Swift-BAT refined analysis

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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
26.4	58.8812	12.1850	TYC 662-409-1	B=12.98, H=10.566, J=10.762, K=10.473, V=11.94
161.3	58.9190	12.1498	TYC 662-1494-1	B=13.42, H=10.623, J=10.98, K=10.532, V=11.93

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table2	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*	Redshift		Catalogue	Query
12.6	58.8855	12.1851		B2=21.1, R1=18.8	USNO-B1
14.5	58.8849	12.1851		R1=18.2, R2=20.7	USNO-B1
59.7	58.8934	12.1673		B=19.6, R=19.9	APM-N
59.9	58.8715	12.1849		B=19.6, R=19.5	APM-N
61.6	58.8929	12.1666		B1=20.4, R1=19.7	USNO-B1
71.9	58.9047	12.1952		B1=19.5, R2=20.7	USNO-B1
81.5	58.8980	12.2037		B=19.6, R=19.8	APM-N
82.9	58.8805	12.2048		B1=19.4, I=18.6	USNO-B1
85.9	58.9119	12.1899		B1=17.5, I=15.7	USNO-B1
87.2	58.8656	12.1925		B=17.7, R=15.5	APM-N

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

There are 53 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*		Catalogue	Query
13.4	58.8921	12.1842	B1=19.8, B2=21.8, R1=18.5	USNO-B1
26.5	58.8812	12.1850	h=10.6, j=10.8, k=10.5	2MASS
35.2	58.8786	12.1850	h=15.8, j=16.1, k=14.8	2MASS
36.9	58.8837	12.1923	B2=20.1, I=19.3, R1=19.8, R2=19.9	USNO-B1
41.7	58.8975	12.1906	h=13.7, j=14.1, k=13.6	2MASS
42.0	58.8976	12.1907	B1=15.8, B2=15.8, I=14.7, R1=14.8, R2=15.1	USNO-B1
53.6	58.9037	12.1826	I=18.7, R1=19.9, R2=20.5	USNO-B1
71.5	58.9044	12.1954	B1=20.5, B2=20.2, I=18.9, R2=20.3	USNO-B1
73.9	58.9054	12.1953	I=19.2, R1=20.1, R2=20.0	USNO-B1
77.8	58.8852	12.2045	h=15.5, j=16.0, k=15.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 98 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.