Absolute magnitude in the K band of carbon stars

Absolute magnitude in the K band of carbon stars

The relationship between the absolute magnitude in the K band and the IRAS color index of (12)-(25) was derived for carbon stars in the solar neighborhood by kinematical analyses of the radial-velocity data and the newly published proper-motion data in the ACRS catalog. The mean absolute magnitude i...

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Veröffentlicht in:Publications of the Astronomical Society of Japan 1993-08, Vol.45 (4), p.587-593
Hauptverfasser: MIKAMI, T, ISHIDA, K
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Carbon stars, s stars, and related types (c, s, r, and n)
Earth, ocean, space
Exact sciences and technology
Stars
Variable and peculiar stars (including novae)
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Zusammenfassung:The relationship between the absolute magnitude in the K band and the IRAS color index of (12)-(25) was derived for carbon stars in the solar neighborhood by kinematical analyses of the radial-velocity data and the newly published proper-motion data in the ACRS catalog. The mean absolute magnitude in the K band of carbon stars varies from -8.0 to -8.6 with increases of 0.1 to 0.6 in (12)-(25). This tendency indicates that the more luminous carbon stars have a thicker circumstellar dust shell.
ISSN:0004-6264