Lowell Obs.

The GL 569 Multiple System

M. Simon, C. Bender, L. Brook, 2006, astro-ph/0603165.

Trumpler 20 – an old and rich open cluster

Garching, Stsci, P. Figueira, 2008, 0809.4458.

An Upper Bound on the Flux Ratio of rho CrB's Companion at 1.6um

Ucla, T. Mazeh, L. Prato, 2004, astro-ph/0409433.

LEGACY EXTRAGALACTIC UV SURVEY (LEGUS) WITH THE HUBBLE SPACE TELESCOPE. I. SURVEY DESCRIPTION

Caltech, Esac, J. Prieto, 2014, 1410.7456.

LEGACY EXTRAGALACTIC UV SURVEY (LEGUS) WITH THE HUBBLE SPACE TELESCOPE. I. SURVEY DESCRIPTION

Esac, Iap, D. Calzetti, 2014, 1410.7456.