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Home > GRB region information > 842475

Swift Trigger: 842475

Presumed name: GRB 180618A

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

BAT	11h 19m 44.88s, +73° 50′ 52.8″
position:	(169.937, +73.848 ± 180″)
XRT	11h 19m 45.57s, +73° 50′ 11.1″
position:	(169.93987, 73.83643 ± 3.6″)
UVOT	11h 19m 45.77s, +73° 50′ 13.2″
position:	(169.9407, +73.8370 ± 1.1″)
Galactic NHI:	3.73×100 cm-2
Galactic E(B-V):	0.054 mag

Best RA:	11h 19m 45.77s	= 169.9407 d
Best Dec:	+73° 50′ 13.2″	= +73.8370 d
Gal Lat:	41.77
Gal Long:	131.29
Sun angle:	65.85°, -5.6 hr East of Sun

¹Sper #3 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

No UVOT images are currently available.

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XRT SPER data

SPER results page for this trigger.

There are 5 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 11 19 45.54 ( 169.93975)
  • Dec (J2000): +73 50 11.4 ( 73.83651)
  • Error (90%): 3.565"
  • Counts in Source: 293

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
0.1′′	169.94075	73.83703		GCN #22790	GRB 180618A: Swift detection of a burst with an optical counterpart
0.4′′	169.94100	73.83708		GCN #22810	GRB 180618A: Swift/UVOT Detection
1.3′′	169.94142	73.83731		GCN #22791	GRB 180618A: Enhanced Swift-XRT position
43.8′′	169.94800	73.82500		GCN #22796	GRB 180618A: Swift-BAT refined analysis (a short GRB with extended emission)

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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
139.6	170.0779	73.8417	NVSS J112018+735030

* 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
11.5	169.9301	73.8381		B1=20.7, I=18.9	USNO-B1
69.4	169.9749	73.8531		B=21.5, R=19.4	APM-N
70.9	170.0101	73.8388		B=21.5, R=19.8	APM-N
73.5	169.9026	73.8540		B1=20.7, I=18.3	USNO-B1
83.7	169.8566	73.8382		B1=20.0, B2=18.9, R1=16.9	USNO-B1
86.8	169.8927	73.8567		I=18.6, R1=19.2	USNO-B1
109.1	169.8398	73.8484		I=19.1, R1=20.0	USNO-B1
109.6	169.9563	73.8063		I=18.9, R1=18.3	USNO-B1
114.8	169.9379	73.8683		B1=20.5, R1=19.1	USNO-B1
122.7	169.8790	73.8660		B2=21.5, R1=19.0	USNO-B1

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

There are 19 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
8.8	169.9338	73.8382	h=15.4, j=16.1, k=15.0	2MASS
8.9	169.9339	73.8383	B2=21.5, I=18.0, R1=19.6	USNO-B1
37.2	169.9316	73.8465	B1=20.7, R1=20.2	USNO-B1
38.7	169.9418	73.8257	B1=20.6, B2=20.0, I=16.4, R1=17.7, R2=18.0	USNO-B1
38.8	169.9421	73.8257	h=14.1, j=14.8, k=14.0	2MASS
55.7	169.8905	73.8435	h=13.8, j=14.5, k=13.8	2MASS
55.9	169.8904	73.8436	B1=18.8, B2=18.4, I=15.8, R1=16.2, R2=16.3	USNO-B1
66.1	170.0006	73.8293	B2=21.2, R1=19.2	USNO-B1
68.2	169.9002	73.8518	h=13.7, j=14.0, k=13.7	2MASS
68.5	169.9000	73.8519	B1=16.3, B2=16.2, I=15.0, R1=15.0, R2=15.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 44 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.