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Home > GRB region information > 1181187

Swift Trigger: 1181187

Presumed name: GRB 230728A

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

BAT	22h 54m 09.36s, +28° 09′ 03.6″
position:	(343.539, 28.151 ± 180″)
XRT	22h 54m 03.74s, +28° 10′ 28.9″
position:	(343.51560, 28.17470 ± 1.9″)
UVOT	No position available.
Galactic NHI:	5.07×1020 cm-2
Galactic E(B-V):	0.066 mag

Best RA:	22h 54m 03.74s	= 343.51560 d
Best Dec:	+28° 10′ 28.9″	= 28.17470 d
Gal Lat:	-27.94
Gal Long:	93.66
Sun angle:	120.87°, 9.6 hr West

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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

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 7 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 22 54 03.75 (28.17470)
  • Dec (J2000): +28 10 28.9 ( 28.17457)
  • Error (90%): 1.9
  • Counts in Source: 539

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

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Catalogue Searches. Searched 200′ 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
70.6	343.5371	28.1797	LEDA 1828534
119.6	343.5533	28.1735	TYC 2246-666-1	B=11.90, G=9.461993, H=6.069, J=6.901, K=5.819, V=10.28
139.7	343.5142	28.1359	SDSS J225403.40+280809.2	G=20.190475, g=20.4258, i=19.7362, r=19.8972, u=22.5384, z=19.6712
197.6	343.4602	28.1997	SDSS J225350.44+281158.9	g=22.1427, i=21.0286, r=21.5397, u=22.7942, z=20.4790

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 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
18.6	343.5108	28.1778			NED
21.7	343.5137	28.1689			NED
24.5	343.5187	28.1808			NED
38.6	343.5254	28.1683			NED
41.4	343.5285	28.1731		B1=20.5, I=18.7	USNO-B1
43.4	343.5292	28.1728			NED
48.2	343.5308	28.1747			NED
52.3	343.5254	28.1864			NED
56.6	343.5217	28.1600			NED
59.9	343.5187	28.1583			NED

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

There are 220 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
18.6	343.5109	28.1779	h=16.0, j=17.0, k=15.9	2MASS
18.9	343.5109	28.1779	B2=20.4, I=18.1, R1=19.5, R2=19.3	USNO-B1
24.5	343.5188	28.1809	h=15.8, j=16.3, k=15.5	2MASS
24.8	343.5189	28.1809	B1=17.7, B2=17.6, I=16.4, R1=17.0, R2=17.0	USNO-B1
42.6	343.5288	28.1727	B1=20.3, B2=20.5, I=18.6, R1=19.5, R2=19.5	USNO-B1
52.7	343.5241	28.1873	B1=20.6, I=18.8, R2=19.9	USNO-B1
56.2	343.5019	28.1846	I=18.7, R1=19.4	USNO-B1
62.2	343.5136	28.1575	B1=20.6, B2=20.2, R1=19.3, R2=19.0	USNO-B1
62.3	343.5206	28.1914	h=16.0, j=16.2, k=15.7	2MASS
62.4	343.5206	28.1915	B1=17.2, B2=17.5, I=16.6, R1=17.0, R2=16.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 148 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.