M dwarf spectra from 0.6 to 1.5 microns: A spectral sequence, model atmosphere fitting, and the temperature scale

J. Davy Kirkpatrick, Douglas M. Kelly, George H. Rieke, James Liebert, France Allard, Rainer Wehrse

Research output: Contribution to journalArticle

145 Citations (Scopus)

Abstract

Red/infrared (0.6-1.5 μm) 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 later 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.

Original languageEnglish (US)
Pages (from-to)643-654
Number of pages12
JournalAstrophysical Journal
Volume402
Issue number2
StatePublished - Jan 10 1993

Fingerprint

temperature scales
atmospheres
atmosphere
energy distribution
temperature
diagrams
luminosity
diagram
wavelengths
wavelength
energy

Keywords

  • Stars: fundamental parameters
  • Stars: late-type

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Kirkpatrick, J. D., Kelly, D. M., Rieke, G. H., Liebert, J., Allard, F., & Wehrse, R. (1993). M dwarf spectra from 0.6 to 1.5 microns: A spectral sequence, model atmosphere fitting, and the temperature scale. Astrophysical Journal, 402(2), 643-654.

M dwarf spectra from 0.6 to 1.5 microns : A spectral sequence, model atmosphere fitting, and the temperature scale. / Kirkpatrick, J. Davy; Kelly, Douglas M.; Rieke, George H.; Liebert, James; Allard, France; Wehrse, Rainer.

In: Astrophysical Journal, Vol. 402, No. 2, 10.01.1993, p. 643-654.

Research output: Contribution to journalArticle

Kirkpatrick, JD, Kelly, DM, Rieke, GH, Liebert, J, Allard, F & Wehrse, R 1993, 'M dwarf spectra from 0.6 to 1.5 microns: A spectral sequence, model atmosphere fitting, and the temperature scale', Astrophysical Journal, vol. 402, no. 2, pp. 643-654.
Kirkpatrick, J. Davy ; Kelly, Douglas M. ; Rieke, George H. ; Liebert, James ; Allard, France ; Wehrse, Rainer. / M dwarf spectra from 0.6 to 1.5 microns : A spectral sequence, model atmosphere fitting, and the temperature scale. In: Astrophysical Journal. 1993 ; Vol. 402, No. 2. pp. 643-654.
@article{1c8b4aa5170d4332b0ee492d9db686b5,
title = "M dwarf spectra from 0.6 to 1.5 microns: A spectral sequence, model atmosphere fitting, and the temperature scale",
abstract = "Red/infrared (0.6-1.5 μm) 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 later 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.",
keywords = "Stars: fundamental parameters, Stars: late-type",
author = "Kirkpatrick, {J. Davy} and Kelly, {Douglas M.} and Rieke, {George H.} and James Liebert and France Allard and Rainer Wehrse",
year = "1993",
month = "1",
day = "10",
language = "English (US)",
volume = "402",
pages = "643--654",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "IOP Publishing Ltd.",
number = "2",

}

TY - JOUR

T1 - M dwarf spectra from 0.6 to 1.5 microns

T2 - A spectral sequence, model atmosphere fitting, and the temperature scale

AU - Kirkpatrick, J. Davy

AU - Kelly, Douglas M.

AU - Rieke, George H.

AU - Liebert, James

AU - Allard, France

AU - Wehrse, Rainer

PY - 1993/1/10

Y1 - 1993/1/10

N2 - Red/infrared (0.6-1.5 μm) 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 later 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.

AB - Red/infrared (0.6-1.5 μm) 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 later 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.

KW - Stars: fundamental parameters

KW - Stars: late-type

UR - http://www.scopus.com/inward/record.url?scp=12044255035&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=12044255035&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:12044255035

VL - 402

SP - 643

EP - 654

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 2

ER -