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Candidate red clump giants in the PPMX catalogue

  • Structure and Dynamics of the Galaxy
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Kinematics and Physics of Celestial Bodies Aims and scope Submit manuscript

Abstract

This paper presents the RCGP catalogue of more than 0.5 million candidate red clump stars with the limiting magnitude K s = 9.5m. These stars are selected from the PPMX catalogue as the most probable red clump members by analyzing the color-reduced proper motion diagrams built from the proper motions given in PPMX and J, K s -photometry given in the 2MASS catalogue. Reddening of the selected stars is used to find extinction in the K s -band and to consider it in the further analysis. The two-dimensional galactic rotation model generalized by Ogorodnikov is used to investigate the tangential velocity field of the selected red clump members, most of which are thin disk stars located within 1.5 kpc from the sun. The values of kinematic parameters and solar components are determined as a function of stellar heights above the galactic equatorial plane and their heliocentric distances.

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Authors and Affiliations

  1. Main Astronomical Observatory, National Academy of Sciences of Ukraine, ul. Akademika Zabolotnogo 27, Kiev, 03680, Ukraine

    S. P. Rybka & A. I. Yatsenko

Authors
  1. S. P. Rybka
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  2. A. I. Yatsenko
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Correspondence to A. I. Yatsenko.

Additional information

Original Russian Text © S.P. Rybka, A.I. Yatsenko, 2011, published in Kinematika i Fizika Nebesnykh Tel, 2011, Vol. 27, No. 2, pp. 31–42.

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Rybka, S.P., Yatsenko, A.I. Candidate red clump giants in the PPMX catalogue. Kinemat. Phys. Celest. Bodies 27, 79–85 (2011). https://doi.org/10.3103/S0884591311020073

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  • DOI: https://doi.org/10.3103/S0884591311020073

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