2013ApJ...777L..17V

Query : 2013ApJ...777L..17V

2013ApJ...777L..17V - Astrophys. J., 777, L17 (2013/November-1)

Discovery of a quadruple lens in CANDELS with a record lens redshift z = 1.53.

VAN DER WEL A., VAN DE VEN G., MASEDA M., RIX H.W., RUDNICK G.H., GRAZIAN A., FINKELSTEIN S.L., KOO D.C., FABER S.M., FERGUSON H.C., KOEKEMOER A.M., GROGIN N.A. and KOCEVSKI D.D.

Abstract (from CDS):

Using spectroscopy from the Large Binocular Telescope and imaging from the Hubble Space Telescope we discovered the first strong galaxy lens at zlens> 1. The lens has a secure photometric redshift of z = 1.53±0.09 and the source is spectroscopically confirmed at z = 3.417. The Einstein radius (0.''35; 3.0 kpc) encloses 7.6x1010 M☉, with an upper limit on the dark matter fraction of 60%. The highly magnified (40x) source galaxy has a very small stellar mass (∼108 M☉) and shows an extremely strong [O III]_5007 Å_ emission line (EW0∼ 1000 Å) bolstering the evidence that intense starbursts among very low-mass galaxies are common at high redshift.

Abstract Copyright: ∼

Journal keyword(s): gravitational lensing: strong

Nomenclature: [VVM2013] J1000+0221 system. Table 1: [VVM2013] J1000+0221 lens, [VVM2013] J1000+0221 source. Table 2: [VVM2013] J1000+0221 A (Nos A-D).

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 [VVM2013] J1000+0221 B LeG 10 00 18.4525 +02 21 38.864           ~ 1 0
2 [VVM2013] J1000+0221 D LeG 10 00 18.4680 +02 21 38.431           ~ 1 0
3 [VVM2013] J1000+0221 system gLS 10 00 18.470 +02 21 38.74           ~ 1 0
4 [VVM2013] J1000+0221 lens gLe 10 00 18.4727 +02 21 38.744         25.3 ~ 1 0
5 [VVM2013] J1000+0221 source G 10 00 18.4727 +02 21 38.744         23.8 ~ 3 0
6 [VVM2013] J1000+0221 A LeG 10 00 18.4858 +02 21 39.131           ~ 1 0
7 [VVM2013] J1000+0221 C LeG 10 00 18.4951 +02 21 38.648           ~ 1 0
8 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0

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