sci19014 — Announcement
New Feature Added to the HCV Explorer: Visualisation of HLA Cutout Images
23 December 2019: María Arévalo, Raúl Gutiérrez, Javier Durán, Jesús Salgado, Deborah Baines, Bruno Merín, Guido de Marchi, Paule Sonnentrucker and Antonella Nota The Hubble Catalog of Variables (HCV) is the first full, homogeneous, catalog of variable sources found in the Hubble Source Catalog (HSC) and built out of publicly available images obtained with the WFPC2, ACS and WFC3 instruments on board the HST. As reported in September's newsletter, the HCV was developed over four years by a team of astronomers at the National Observatory of Athens, led by Alceste Bonanos and sponsored by ESA in collaboration with STScI. The HCV is the deepest catalog of variables available. It includes variable stars in our Galaxy and nearby galaxies, as well as transients and variable active galactic nuclei. In total, the HCV includes 84 428 candidate variable sources (out of 3.7 million HSC sources that were searched for variability) with V ≤ 27 mag; …