Journal
ASTRONOMICAL JOURNAL
Volume 146, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/146/5/134
Keywords
catalogs; stars: abundances; stars: fundamental parameters; surveys; techniques: spectroscopic
Categories
Funding
- Australian Astronomical Observatory
- Leibniz-Institut fur Astrophysik Potsdam (AIP)
- Australian National University
- Australian Research Council
- French National Research Agency
- German Research Foundation [SPP 1177, SFB 881]
- European Research Council [ERC-StG 240271 Galactica]
- Istituto Nazionale di Astrofisica at Padova
- Johns Hopkins University
- National Science Foundation of the USA [AST-0908326]
- W. M. Keck Foundation
- Macquarie University
- Netherlands Research School for Astronomy
- Natural Sciences and Engineering Research Council of Canada
- Slovenian Research Agency
- Swiss National Science Foundation
- Science & Technology Facilities Council of the UK
- Opticon
- Strasbourg Observatory
- University of Heidelberg
- University of Groningen
- University of Sydney
- STFC [PP/D001528/1, ST/K000985/1, ST/G002479/1, ST/K00106X/1, ST/J00149X/1, PP/D001242/1, ST/G002509/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K00106X/1, PP/D001528/1, ST/K000985/1, ST/G002509/1, ST/G002479/1, ST/J00149X/1, ST/H00243X/1, PP/D001242/1] Funding Source: researchfish
- UK Space Agency [PP/D006570/1, ST/K00056X/1, ST/I000852/1] Funding Source: researchfish
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We present the stellar atmospheric parameters (effective temperature, surface gravity, overall metallicity), radial velocities, individual abundances, and distances determined for 425,561 stars, which constitute the fourth public data release of the RAdial Velocity Experiment (RAVE). The stellar atmospheric parameters are computed using a new pipeline, based on the algorithms of MATISSE and DEGAS. The spectral degeneracies and the Two Micron All Sky Survey photometric information are now better taken into consideration, improving the parameter determination compared to the previous RAVE data releases. The individual abundances for six elements (magnesium, aluminum, silicon, titanium, iron, and nickel) are also given, based on a special-purpose pipeline that is also improved compared to that available for the RAVE DR3 and Chemical DR1 data releases. Together with photometric information and proper motions, these data can be retrieved from the RAVE collaboration Web site and the Vizier database.
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