TY - JOUR
T1 - From the bulge to the outer disc
T2 - StarHorse stellar parameters, distances, and extinctions for stars in APOGEE DR16 and other spectroscopic surveys
AU - Queiroz, A. B. A.
AU - Anders, F.
AU - Chiappini, C.
AU - Khalatyan, A.
AU - Santiago, B. X.
AU - Steinmetz, M.
AU - Valentini, M.
AU - Miglio, A.
AU - Bossini, D.
AU - Barbuy, B.
AU - Minchev, I.
AU - Minniti, D.
AU - Hernández, D. A. García
AU - Schultheis, M.
AU - Beaton, R. L.
AU - Beers, T. C.
AU - Bizyaev, D.
AU - Brownstein, J. R.
AU - Cunha, K.
AU - Fernández-Trincado, J. G.
AU - Frinchaboy, P. M.
AU - Lane, R. R.
AU - Majewski, S. R.
AU - Nataf, D.
AU - Nitschelm, C.
AU - Pan, K.
AU - Roman-Lopes, A.
AU - Sobeck, J. S.
AU - Stringfellow, G.
AU - Zamora, O.
N1 - Accepted to A&A. 17 pages, 11 figures. Data products are available at https://data.aip.de/aqueiroz2020, (doi:10.17876/data/2020_2)
PY - 2020/4/18
Y1 - 2020/4/18
N2 - We combine high-resolution spectroscopic data from APOGEE-2 Survey Data Release 16 (DR16) with broad-band photometric data from several sources, as well as parallaxes from {\it Gaia} Data Release 2 (DR2). Using the Bayesian isochrone-fitting code {\tt StarHorse}, we derive distances, extinctions and astrophysical parameters for around 388,815 APOGEE stars, achieving typical distance uncertainties of $\sim 6\%$ for APOGEE giants, $\sim 2\%$ for APOGEE dwarfs, as well as extinction uncertainties of $\sim 0.07$ mag when all photometric information is available, and $\sim 0.17$ mag if optical photometry is missing. {\tt StarHorse} uncertainties vary with the input spectroscopic catalogue, with the available photometry, and with the parallax uncertainties. To illustrate the impact of our results, we show that, thanks to {\it Gaia} DR2 and the now larger sky coverage of APOGEE-2 (including APOGEE-South), we obtain an extended map of the Galactic plane, providing unprecedented coverage of the disk close to the Galactic mid-plane ($|Z_{Gal}|
AB - We combine high-resolution spectroscopic data from APOGEE-2 Survey Data Release 16 (DR16) with broad-band photometric data from several sources, as well as parallaxes from {\it Gaia} Data Release 2 (DR2). Using the Bayesian isochrone-fitting code {\tt StarHorse}, we derive distances, extinctions and astrophysical parameters for around 388,815 APOGEE stars, achieving typical distance uncertainties of $\sim 6\%$ for APOGEE giants, $\sim 2\%$ for APOGEE dwarfs, as well as extinction uncertainties of $\sim 0.07$ mag when all photometric information is available, and $\sim 0.17$ mag if optical photometry is missing. {\tt StarHorse} uncertainties vary with the input spectroscopic catalogue, with the available photometry, and with the parallax uncertainties. To illustrate the impact of our results, we show that, thanks to {\it Gaia} DR2 and the now larger sky coverage of APOGEE-2 (including APOGEE-South), we obtain an extended map of the Galactic plane, providing unprecedented coverage of the disk close to the Galactic mid-plane ($|Z_{Gal}|
KW - astro-ph.GA
U2 - 10.1051/0004-6361/201937364
DO - 10.1051/0004-6361/201937364
M3 - Article
VL - 638
JO - A&A
JF - A&A
IS - A76
ER -