Swift Trigger: 352420

Presumed name: GRB 090518

BAT	07^h 59^m 43.92^s, +00° 46′ 04.8″
position:	(119.933, +0.768 ± 180″)
XRT	07^h 59^m 49.01^s, +00° 45′ 32.8″
position:	(119.9542, 0.7591 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.038 mag

Best RA:	07^h 59^m 49.01^s	= 119.9542 d
Best Dec:	+00° 45′ 32.8″	= 0.7591 d

Gal Lat:
Gal Long:

Sun angle:	not found

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

unknown image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Source	Misc
0.7′′	119.95404	0.75921	GCN #9387	GRB 090518: Enhanced Swift-XRT position
3.6′′	119.95519	0.75892	GCN #9386	GRB 090518: Swift detection of a burst
68.8′′	119.95700	0.77800	GCN #9393	GRB 090518� Swift-BAT refined analysis
190.0′′	10065360.00417	0.74206	GCN #24289	LIGO/Virgo S190426c: Lick/KAIT Follow-Up Observations

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
144.8	119.9402	0.7968	TYC 181-2761-1	B=11.4, H=7.920, J=8.453, K=7.799, V=10.1

* 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*		Catalogue
0.7	119.9542	0.7592		NED
30.5	119.9595	0.7657	B1=20.7, R1=18.6, R2=19.0	USNO-B1
52.2	119.9566	0.7448	B1=20.8, I=18.0, R2=20.3	USNO-B1
53.2	119.9566	0.7445	B=22.2, R2=21.0	SSS
59.8	119.9435	0.7464	B1=21.1, I=17.5	USNO-B1
62.4	119.9678	0.7483	I=17.2, R1=19.2, R2=19.3	USNO-B1
63.5	119.9509	0.7764	B1=20.6, I=17.1, R1=19.2	USNO-B1
64.6	119.9514	0.7414	B=21.8, R2=20.6	SSS
64.7	119.9407	0.7472	B1=20.7, B2=20.8, I=17.6, R1=19.1, R2=19.2	USNO-B1
68.5	119.9497	0.7406	B1=20.4, B2=20.4, I=17.4, R1=18.8, R2=19.1	USNO-B1

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

There are 75 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
15.3	119.9521	0.7554	B1=20.7, B2=20.4, I=17.1, R1=18.4, R2=18.7	USNO-B1
15.5	119.9519	0.7627	h=14.7, j=15.1, k=14.5	2MASS
15.8	119.9518	0.7628	B1=17.4, B2=17.3, I=15.3, R1=16.0, R2=16.0	USNO-B1
31.2	119.9602	0.7654	B1=20.9, B2=20.4, R2=19.3	USNO-B1
31.4	119.9599	0.7657	B1=20.6, B2=19.8, I=16.8, R1=18.5, R2=18.0	USNO-B1
39.8	119.9482	0.7498	h=15.4, j=15.8, k=15.4	2MASS
39.8	119.9482	0.7498	B1=17.4, B2=17.7, I=15.7, R1=16.5, R2=16.5	USNO-B1
42.1	119.9452	0.7666	I=17.3, R1=19.2, R2=19.1	USNO-B1
50.4	119.9415	0.7531	B1=18.2, B2=18.1, I=16.4, R1=17.0, R2=17.1	USNO-B1
50.5	119.9416	0.7530	h=16.2, j=16.4, k=16.0	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 193 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.