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The Radial Velocity Experiment (RAVE): first data release

Steinmetz, M.; Zwitter, T.; Siebert, A.; Watson, F. G.; Freeman, K. C.; Munari, U.; Campbell, R.; Williams, M.; Seabroke, G. M.; Wyse, R. F. G.; Parker, Q. A.; Bienaymé, O.; Roeser, S.; Gibson, B. K.; Gilmore, G.; Grebel, E. K.; Helmi, A.; Navarro, J. F.; Burton, D.; Cass, C. J. P.; Dawe, J. A.; Fiegert, K.; Hartley, M.; Russell, K. S.; Saunders, W.; Enke, H.; Bailin, J.; Binney, J.; Bland-Hawthorn, J.; Boeche, C.; Dehnen, W.; Eisenstein, D. J.; Evans, N. W.; Fiorucci, M.; Fulbright, J. P.; Gerhard, O.; Jauregi, U.; Kelz, A.; Mijovi?, L.; Minchev, I.; Parmentier, G.; Peñarrubia, J.; Quillen, A. C.; Read, M. A.; Ruchti, G.; Scholz, R.-D.; Siviero, A.; Smith, M. C.; Sordo, R.; Veltz, L.; Vidrih, S.; von Berlepsch, R.; Boyle, B. J. and Schilbach, E. (2006). The Radial Velocity Experiment (RAVE): first data release. Astronomical Journal, 132(4) pp. 1645–1668.

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DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1086/506564
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Abstract

We present the first data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity, and surface gravity) of up to one million stars using the Six Degree Field multiobject spectrograph on the 1.2 m UK Schmidt Telescope of the Anglo-Australian Observatory. The RAVE program started in 2003, obtaining medium-resolution spectra (median R = 7500) in the Ca-triplet region (8410-8795 Å) for southern hemisphere stars drawn from the Tycho-2 and SuperCOSMOS catalogs, in the magnitude range 9 < I < 12. The first data release is described in this paper and contains radial velocities for 24,748 individual stars (25,274 measurements when including reobservations). Those data were obtained on 67 nights between 2003 April 11 and 2004 April 3. The total sky coverage within this data release is ~4760 $\rm{deg^{2}}$. The average signal-to-noise ratio of the observed spectra is 29.5, and 80% of the radial velocities have uncertainties better than 3.4 km $\rm{s^{-1}}$. Combining internal errors and zero-point errors, the mode is found to be 2 km $\rm{s^{-1}}$. Repeat observations are used to assess the stability of our radial velocity solution, resulting in a variance of 2.8 km $\rm{s^{-1}}$. We demonstrate that the radial velocities derived for the first data set do not show any systematic trend with color or signal-to-noise ratio. The RAVE radial velocities are complemented in the data release with proper motions from Starnet 2.0, Tycho-2, and SuperCOSMOS, in addition to photometric data from the major optical and infrared catalogs (Tycho-2, USNO-B, DENIS, and the Two Micron All Sky Survey). The data release can be accessed via the RAVE Web site.

Item Type: Journal Article
Copyright Holders: 2006 The American Astronomical Society.
ISSN: 1538-3881
Keywords: catalogs; stars: fundamental parameters; surveys
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 12969
Depositing User: George Seabroke
Date Deposited: 30 Jan 2009 08:22
Last Modified: 13 Jul 2014 12:38
URI: http://oro.open.ac.uk/id/eprint/12969
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