First stellar parameters from Apsis

• Published in: Astronomy and astrophysics (Berlin) Vol. 616
• Main Authors: Andrae, Rene, Fouesneau, Morgan, Creevey, Orlagh, Ordenovic, Christophe, Mary, Nicolas, Burlacu, Alexandru, Chaoul, Laurence, Jean-Antoine-Piccolo, Anne, Kordopatis, Georges, Korn, Andreas, Lebreton, Yveline, Panem, Chantal, Pichon, Bernard, Thevenin, Frederic, Walmsley, Gavin, Bailer-Jones, Coryn A. L.
• Format: Journal Article
• Language: English
• Published: 10.08.2018
• Subjects: methods: data analysis; methods: statistical; stars: fundamental parameters; surveys

The second Gaia data release (Gaia DR2) contains, beyond the astrometry, three-band photometry for 1.38 billion sources. One band is the G band, the other two were obtained by integrating the Gaia prism spectra (BP and RP). We have used these three broad photometric bands to infer stellar effective...