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Swift Trigger: 768939

Presumed name: GRB 170822A

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

BAT	06h 17m 31.68s, +55° 01′ 08.4″
position:	(94.382, 55.019 ± 180″)
XRT	06h 17m 32.88s, +55° 00′ 15.5″
position:	(94.3870, 55.0043 ± 2.0″)
UVOT	No position available.
Galactic NHI:	1.27×100 cm-2
Galactic E(B-V):	0.153 mag

Best RA:	06h 17m 32.88s	= 94.3870 d
Best Dec:	+55° 00′ 15.5″	= 55.0043 d
Gal Lat:	17.36
Gal Long:	159.4
Sun angle:	61.79°, 3.8 hr West

¹Sper #10 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 15 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 06 17 32.86 (55.0043)
  • Dec (J2000): +55 00 15.6 ( 55.00411)
  • Error (90%): 2.0
  • Counts in Source: 1507

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
0.6′′	94.38672	55.00424		GCN #21643	GRB 170822A: Enhanced Swift-XRT position
0.7′′	94.38704	55.00448		GCN #21642	GRB 170822A:BOOTES-5/JGT optical afterglow candidate
1.0′′	94.38692	55.00403		GCN #21640	GRB 170822A: Swift detection of a burst
29.2′′	94.37500	55.00000		GCN #21651	GRB 170822A: 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
81.1	94.3693	55.0244	GB6 B0613+5502
98.4	94.4150	54.9822	LEDA 2486615

* 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
23.8	94.3868	54.9977		B2=21.2, I=18.7, R1=19.4, R2=19.4	USNO-B1
24.3	94.3868	54.9976		B=21.6, R=19.4	APM-N
38.2	94.4012	54.9978			NED
40.5	94.3904	54.9932		B2=21.7, I=18.8, R2=20.2	USNO-B1
52.7	94.3763	55.0176		B=18.7, R=17.0	APM-N
72.4	94.3547	55.0121		B2=20.9, I=17.2, R1=19.2, R2=19.2	USNO-B1
72.8	94.4183	55.0136			NED
73.2	94.3543	55.0121		I=17.8, R1=19.3	USNO-B1
74.0	94.4208	54.9975			NED
74.2	94.3933	54.9839			NED

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

There are 101 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
3.8	94.3871	55.0032	B1=20.5, B2=20.8, I=18.8, R1=19.5, R2=20.1	USNO-B1
10.5	94.3881	55.0072	h=16.0, j=16.6, k=15.3	2MASS
10.6	94.3880	55.0072	B1=19.3, B2=18.6, I=17.9, R1=17.9, R2=17.7	USNO-B1
17.2	94.3952	55.0050	h=15.0, j=15.8, k=14.9	2MASS
17.2	94.3953	55.0050	B2=21.0, I=17.6, R1=19.0, R2=18.8	USNO-B1
23.8	94.3983	55.0030	h=15.9, j=16.0, k=15.5	2MASS
23.9	94.3984	55.0031	B1=18.3, B2=17.7, I=16.8, R1=17.0, R2=17.0	USNO-B1
24.9	94.3765	55.0009	B2=20.6, I=18.2, R1=18.4, R2=19.2	USNO-B1
30.1	94.3963	54.9979	B1=20.6, B2=20.8, R1=19.7, R2=19.5	USNO-B1
33.1	94.3735	54.9994	B1=17.9, B2=17.3, I=15.7, R1=16.2, R2=16.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 176 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.