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Space Distribution of Carbon Stars in Our Galaxy

Published online by Cambridge University Press:  25 May 2016

K. Noguchi ,
Z. Qian ,
J. Sun ,
G. Wang ,
J. Wang  and
Y. Rao
K. Noguchi
Affiliation:
National Astronomical Observatory of Japan, Mitaka, Tokyo 181, Japan
Z. Qian
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, P. R. China
J. Sun
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, P. R. China
G. Wang
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, P. R. China
J. Wang
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, P. R. China
Y. Rao
Affiliation:
Beijing Astronomical Observatory, Beijing 100080, P. R. China

Abstract

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We are attempting to investigate the space distribution of carbon stars in our Galaxy by evaluating the distances of individual carbon stars. We estimate the distance by evaluating the total radiant energy of each star and assuming a value for the bolometric magnitude of carbon stars. Since the flux maxima of carbon stars are mostly in the near-infrared (NIR), NIR photometric data are most useful for evaluating the total energy. We have compiled NIR photometric data for 694 carbon stars at all galactic longitudes and have made new observations of 470 carbon stars in the galactic longitude region between 20° and 160°. We discuss the space distribution of 1164 galactic carbon stars.

Type
Session I — Surveys
Information
Symposium - International Astronomical Union , Volume 177: The Carbon Star Phenomenon , 2000 , pp. 21 - 26
Copyright
Copyright © Kluwer 2000 

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