Sign on

SAO/NASA ADS Astronomy Abstract Service


· Find Similar Abstracts (with default settings below)
· Full Refereed Journal Article (PDF/Postscript)
· Full Refereed Scanned Article (GIF)
· References in the article
· Citations to the Article (174) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (45)
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
M dwarf spectra from 0.6 to 1.5 micron - A spectral sequence, model atmosphere fitting, and the temperature scale
Authors:
Kirkpatrick, J. D.; Kelly, Douglas M.; Rieke, George H.; Liebert, James; Allard, France; Wehrse, Rainer
Affiliation:
AA(Steward Observatory, Tucson, AZ), AB(Steward Observatory, Tucson, AZ), AC(Steward Observatory, Tucson, AZ), AD(Steward Observatory, Tucson, AZ), AE(Heidelberg Univ., Germany), AF(Heidelberg Univ., Germany)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 402, no. 2, p. 643-654. (ApJ Homepage)
Publication Date:
01/1993
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Dwarf Stars, M Stars, Stellar Atmospheres, Stellar Models, Stellar Temperature, Astronomical Spectroscopy, Hertzsprung-Russell Diagram, Stellar Spectra
DOI:
10.1086/172166
Bibliographic Code:
1993ApJ...402..643K

Abstract

Red/infrared (0.6-1.5 micron) spectra are presented for a sequence of well-studied M dwarfs ranging from M2 through M9. A variety of temperature-sensitive features useful for spectral classification are identified. Using these features, the spectral data are compared to recent theoretical models, from which a temperature scale is assigned. The red portion of the model spectra provide reasonably good fits for dwarfs earlier than M6. For layer types, the infrared region provides a more reliable fit to the observations. In each case, the wavelength region used includes the broad peak of the energy distribution. For a given spectral type, the derived temperature sequence assigns higher temperatures than have earlier studies - the difference becoming more pronounced at lower luminosities. The positions of M dwarfs on the H-R diagram are, as a result, in closer agreement with theoretical tracks of the lower main sequence.

Printing Options

Print whole paper
Print Page(s) through

Return 600 dpi PDF to Acrobat/Browser. Different resolutions (200 or 600 dpi), formats (Postscript, PDF, etc), page sizes (US Letter, European A4, etc), and compression (gzip,compress,none) can be set through the Printing Preferences



More Article Retrieval Options

HELP for Article Retrieval


Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)


Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints