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Multi-Wavelength Observations of the Peculiar Red Giant HR 3126

Published online by Cambridge University Press:  12 April 2016

Joseph E. Pesce ,
Robert E. Stencel ,
Jesse Doggett ,
Frederick M. Walter ,
Patricia A. Whitelock  and
Joachim Dachs
Joseph E. Pesce
Affiliation:
Center for Astrophysics and Space Astronomy, U. of Colorado
Robert E. Stencel
Affiliation:
Center for Astrophysics and Space Astronomy, U. of Colorado
Jesse Doggett
Affiliation:
Center for Astrophysics and Space Astronomy, U. of Colorado
Frederick M. Walter
Affiliation:
Center for Astrophysics and Space Astronomy, U. of Colorado
Patricia A. Whitelock
Affiliation:
South African Astronomical Observatory
Joachim Dachs
Affiliation:
Astronomisches Institut, Ruhr Univ., Bochum FRG

Extract

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The M2 II star HR 3126 (HD 65750) is remarkable because it sits near the center of a 0.7M⊙ butterfly-shaped reflection nebula of several arc minutes extent (Dachs et al. 1978, A & A 63, 353.). If it is a member of the nearby open cluster NGC 2516, the distance (375 pc), main sequence turnoff age (~ 108 years) and implied mass (~ 5Mʘ) suggest that IIR 3126 is a red bright giant past the initiation of helium burning in its core.

Type
1. Properties and Kinematics of the Peculiar Red Giant Stars
Information
International Astronomical Union Colloquium , Volume 106: Evolution of Peculiar Red Giant Stars , 1989 , pp. 55
Copyright
Copyright © Cambridge University Press 1989