H0LiCOW – II. Spectroscopic survey and galaxy-group identification of the strong gravitational lens system HE 0435−1223
نویسندگان
چکیده
منابع مشابه
An integral - field spectroscopic strong lens survey
We present the observational results of a survey for strong gravitational lens systems consisting of extended emission-line galaxies lensed by intervening earlytype galaxies, conducted using integral field units (IFUs) of the Magellan IMACS and Gemini GMOS-N spectrographs. These data are highly valuable for corroborating the lensing interpretation of Hubble Space Telescope imaging data. We show...
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We present five candidate gravitational lenses discovered spectroscopically in the Canadian Network for Observational Cosmology Field Galaxy Redshift Survey (CNOC2), along with one found in followup observations. Each has a secure redshift based on several features, plus a discrepant emission line which does not match any known or plausible feature and is visible in multiple direct spectral ima...
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J.P. WILLIS, P.C. HEWETT, S.J. WARREN, G.F. LEWIS 1. Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK. 2. Departamento de Astronomı́a y Astrof́ısica, P. Universidad Católica, Avenida Vicuña Mackenna 4860, Casilla 306, Santiago 22, Chile. (present address) 3. Blackett Laboratory, Imperial College of Science Technology and Medicine, Prince Consort Road, London SW7 2BZ, UK. 4. Anglo-Aus...
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We report the discovery of the new gravitational lens system HE 0230−2130, a QSO at redshift z = 2.162 consisting of at least five distinct components. Three of these are clearly lensed images of the QSO, one is most likely the lensing galaxy, while for the fifth component the identity is unclear: It could be a fourth QSO image (if so, then highly reddened), or another intervening galaxy, or a ...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2017
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/stx1484