Skip banner and navigation tools.

Home > GRB region information > 824451

Swift Trigger: 824451

Presumed name: GRB 180411A

Back to trigger list.

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

BAT	23h 47m 18.96s, +66° 47′ 27.6″
position:	(356.829, 66.791 ± 180″)
XRT	23h 47m 25.09s, +66° 46′ 41.9″
position:	(356.85453, 66.77831 ± 3.8″)
UVOT	No position available.
Galactic NHI:	6.87×100 cm-2
Galactic E(B-V):	1.561 mag

Best RA:	23h 47m 25.09s	= 356.85453 d
Best Dec:	+66° 46′ 41.9″	= 66.77831 d
Gal Lat:	4.69
Gal Long:	116.67
Sun angle:	60.52°, 1.5 hr West

¹Sper #2 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.

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

• • Object 1
  • RA (J2000) : 23 47 25.08 ( 356.85451)
  • Dec (J2000): +66 46 42.2 ( 66.77840)
  • Error (90%): 3.725"
  • Counts in Source: 146

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	Dec	Date reported	Source	Misc	Query
0.0′′	356.85453	66.77831		GCN #22630	GRB 180411A: Swift detection of a burst
0.9′′	356.85404	66.77847		GCN #22632	GRB 180411A: Swift-XRT refined Analysis
46.9′′	356.84000	66.79000		GCN #22633	GRB 180411A: Swift-BAT refined analysis

---

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
138.2	356.9469	66.7905	IRAS 23453+6630	B=19.3, H=6.572, J=7.794, K=5.941, R=15.500

* 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
23.1	356.8489	66.7723		B1=19.9, B2=19.2, I=17.2, R1=18.1, R2=17.5	USNO-B1
29.3	356.8632	66.7857		B1=20.4, B2=20.6, I=18.3, R2=19.7	USNO-B1
30.6	356.8380	66.7729		R1=19.0, R2=19.7	USNO-B1
39.8	356.8780	66.7843		B2=20.8, I=17.8, R1=18.4, R2=18.8	USNO-B1
41.8	356.8839	66.7779		I=18.8, R1=19.6, R2=19.7	USNO-B1
48.5	356.8593	66.7917		R1=19.3, R2=20.2	USNO-B1
50.1	356.8192	66.7782		B1=17.8, B2=16.2, I=14.6, R1=15.5, R2=15.2	USNO-B1
61.0	356.8270	66.7914		B2=20.8, I=18.6, R1=19.2, R2=19.8	USNO-B1
62.3	356.8981	66.7765		B2=19.6, R2=20.0	USNO-B1
67.1	356.8618	66.7599		R1=19.2, R2=20.3	USNO-B1

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

There are 167 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
11.5	356.8624	66.7790	B2=21.3, I=18.6, R1=19.4, R2=19.3	USNO-B1
23.6	356.8490	66.7721	h=14.8, j=15.4, k=14.6	2MASS
23.7	356.8398	66.7814	h=14.4, j=15.2, k=14.2	2MASS
23.9	356.8398	66.7815	B1=20.7, B2=19.5, I=17.0, R1=17.9, R2=17.5	USNO-B1
27.2	356.8640	66.7849	h=14.3, j=14.9, k=14.2	2MASS
27.7	356.8640	66.7850	B1=19.6, B2=18.7, I=16.4, R1=17.6, R2=16.9	USNO-B1
28.0	356.8383	66.7827	I=19.1, R2=19.6	USNO-B1
28.1	356.8633	66.7853	B1=19.7, I=18.6	USNO-B1
28.9	356.8376	66.7828	h=15.2, j=16.4, k=14.8	2MASS
32.9	356.8333	66.7746	B1=19.3, B2=18.0, I=16.0, R1=16.6, R2=16.4	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 428 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.