Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars

Details Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...227...82e&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 227, no. 1, Jan. 1990, p. 82-104.

Astronomy and Astrophysics

Astronomy

84

Carbon Stars, Infrared Photometry, Stellar Envelopes, Stellar Evolution, Stellar Mass Ejection, Stellar Spectrophotometry, Infrared Astronomy Satellite, Interstellar Extinction, Milky Way Galaxy, Near Infrared Radiation, Stellar Color

Scientific paper

This paper presents results of JHLKM photometry data analysis of 249 southern 'IRAS-discovered' stars, which exhibit an emission feature at 11.3 microns in their low-resolution spectra (class 4n stars). The method of Epchtein et al. (1987) is used to separate oxygen-rich and carbon-rich stars on the basis of their sole NIR and IRAS broad-band fluxes. It is shown that NIR data are necessary to calculate the total IR energy received from IRAS stars and such fundamental parameters as individual mass loss rates. An evolutionary model is developed to match the sequence of stars in color diagrams. It is suggested that the sequence of increasing optical depths might not be an evolutionary sequence, but would rather reflect the termination of a process in which the near-IR index increases very quickly at the beginning and is strongly dependent on the mass loss rate.

Affiliated with

Also associated with

No associations

Rating

Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carbon star envelopes - Near-IR photometry, mass loss and evolutionary status of a sample of IRAS stars will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1558945