TY - JOUR
T1 - The Pristine survey -- XXIII. Data Release 1 and an all-sky metallicity catalogue based on Gaia DR3 BP/RP spectro-photometry
AU - Martin, Nicolas F.
AU - Starkenburg, Else
AU - Yuan, Zhen
AU - Fouesneau, Morgan
AU - Ardern-Arentsen, Anke
AU - Angeli, Francesca De
AU - Gran, Felipe
AU - Montelius, Martin
AU - Rusterucci, Samuel
AU - Andrae, René
AU - Bellazzini, Michele
AU - Montegriffo, Paolo
AU - Esselink, Anna F.
AU - Zhang, Hanyuan
AU - Venn, Kim A.
AU - Viswanathan, Akshara
AU - Aguado, David S.
AU - Battaglia, Giuseppina
AU - Bayer, Manuel
AU - Bonifacio, Piercarlo
AU - Caffau, Elisabetta
AU - Côté, Patrick
AU - Carlberg, Raymond
AU - Fabbro, Sébastien
AU - Alvar, Emma Fernández
AU - Hernández, Jonay I. González
AU - Vernhe, Isaure González Rivera de La
AU - Hill, Vanessa
AU - Ibata, Rodrigo A.
AU - Jablonka, Pascale
AU - Kordopatis, Georges
AU - Lardo, Carmela
AU - McConnachie, Alan W.
AU - Navarrete, Camila
AU - Navarro, Julio
AU - Recio-Blanco, Alejandra
AU - Janssen, Rubén Sánchez
AU - Sestito, Federico
AU - Thomas, Guillaume F.
AU - Vitali, Sara
AU - Youakim, Kristopher
N1 - 31 pages, 25 figures, accepted for publication in A&A. Minor changes in v2, including ~2.5% more coverage for Pristine DR1 from new observations. First two authors are co-first author. The CaHK photometry catalogue and the two photometric metallicity catalogues are available, before acceptance, as large compressed csv files at: https://seafile.unistra.fr/d/ee0c0f05719d4368bcbb/
PY - 2023/8/2
Y1 - 2023/8/2
N2 - We used the spectro-photometric information of ~219 million stars from Gaia's DR3 to calculate synthetic, narrow-band, metallicity-sensitive CaHK magnitudes that mimic the observations of the Pristine survey, a survey of photometric metallicities of Milky Way (MW) stars that has been mapping >6,500 deg^2 of the northern sky with CFHT since 2015. These synthetic magnitudes were used for an absolute recalibration of the deeper Pristine photometry and, combined with broadband Gaia information, synthetic and Pristine CaHK magnitudes were used to estimate photometric metallicities over the whole sky. The resulting metallicity catalogue is accurate down to [Fe/H]~-3.5 and is particularly suited for the exploration of the metal-poor MW ([Fe/H] 16). Combined, both photometric metallicity catalogues include more than two million metal-poor star candidates ([Fe/H]_phot
AB - We used the spectro-photometric information of ~219 million stars from Gaia's DR3 to calculate synthetic, narrow-band, metallicity-sensitive CaHK magnitudes that mimic the observations of the Pristine survey, a survey of photometric metallicities of Milky Way (MW) stars that has been mapping >6,500 deg^2 of the northern sky with CFHT since 2015. These synthetic magnitudes were used for an absolute recalibration of the deeper Pristine photometry and, combined with broadband Gaia information, synthetic and Pristine CaHK magnitudes were used to estimate photometric metallicities over the whole sky. The resulting metallicity catalogue is accurate down to [Fe/H]~-3.5 and is particularly suited for the exploration of the metal-poor MW ([Fe/H] 16). Combined, both photometric metallicity catalogues include more than two million metal-poor star candidates ([Fe/H]_phot
KW - astro-ph.GA
U2 - 10.1051/0004-6361/202347633
DO - 10.1051/0004-6361/202347633
M3 - Article
SN - 0004-6361
JO - Astronomy & Astrophysics
JF - Astronomy & Astrophysics
ER -