Authors
Gisella Clementini, L Eyer, Vincenzo Ripepi, Marcella Marconi, Tatiana Muraveva, Alessia Garofalo, LM Sarro, M Palmer, X Luri, Roberto Molinaro, L Rimoldini, L Szabados, ILARIA Musella, RI Anderson, T Prusti, JHJ De Bruijne, AGA Brown, A Vallenari, C Babusiaux, CAL Bailer-Jones, U Bastian, M Biermann, DW Evans, F Jansen, C Jordi, SA Klioner, U Lammers, L Lindegren, F Mignard, C Panem, D Pourbaix, S Randich, P Sartoretti, HI Siddiqui, C Soubiran, V Valette, F Van Leeuwen, NA Walton, C Aerts, F Arenou, M Cropper, R Drimmel, E Høg, D Katz, MG Lattanzi, W O’mullane, EK Grebel, AD Holland, C Huc, X Passot, M Perryman, L Bramante, C Cacciari, J Castañeda, L Chaoul, N Cheek, F De Angeli, C Fabricius, R Guerra, J Hernández, A Jean-Antoine-Piccolo, E Masana, R Messineo, N Mowlavi, K Nienartowicz, D Ordóñez-Blanco, P Panuzzo, J Portell, PJ Richards, M Riello, GM Seabroke, P Tanga, F Thévenin, J Torra, SG Els, G Gracia-Abril, G Comoretto, M Garcia-Reinaldos, T Lock, E Mercier, M Altmann, R Andrae, TL Astraatmadja, I Bellas-Velidis, K Benson, J Berthier, R Blomme, G Busso, B Carry, A Cellino, S Cowell, O Creevey, J Cuypers, M Davidson, J De Ridder, A De Torres, Ludovic Delchambre, A Dell’Oro, C Ducourant, Y Frémat, M García-Torres, Eric Gosset, J-L Halbwachs, NC Hambly, DL Harrison, M Hauser, D Hestroffer, ST Hodgkin, HE Huckle, A Hutton, Gérard Jasniewicz, S Jordan, M Kontizas, Anders J Korn, Alessandro Carmelo Lanzafame, M Manteiga, A Moitinho, K Muinonen, J Osinde, E Pancino, T Pauwels, J-M Petit, A Recio-Blanco, AC Robin, C Siopis, M Smith, KW Smith, A Sozzetti, W Thuillot, W Van Reeven, Y Viala, U Abbas, A Abreu Aramburu, S Accart, JJ Aguado, PM Allan, W Allasia, G Altavilla, MA Álvarez, J Alves, AH Andrei, E Anglada Varela, E Antiche, T Antoja, S Antón, B Arcay, N Bach, SG Baker, L Balaguer-Núñez, C Barache
Publication date
2017/9/1
Journal
Astronomy & astrophysics
Volume
605
Pages
A79
Publisher
EDP sciences
Description
Context
Parallaxes for 331 classical Cepheids, 31 Type II Cepheids, and 364 RR Lyrae stars in common between Gaia and the Hipparcos and Tycho-2 catalogues are published in Gaia Data Release 1 (DR1) as part of the Tycho-Gaia Astrometric Solution (TGAS).
Aims
In order to test these first parallax measurements of the primary standard candles of the cosmological distance ladder, which involve astrometry collected by Gaia during the initial 14 months of science operation, we compared them with literature estimates and derived new period-luminosity (PL), period-Wesenheit (PW) relations for classical and Type II Cepheids and infrared PL, PL-metallicity (PLZ), and optical luminosity-metallicity (MV-[Fe/H]) relations for the RR Lyrae stars, with zero points based on TGAS.
Methods
Classical Cepheids were carefully selected in order to discard known or suspected binary systems. The final sample comprises 102 …
Scholar articles
G Clementini, L Eyer, V Ripepi, M Marconi, T Muraveva… - Astronomy & astrophysics, 2017