Intrinsic Color Indices of Stars Obtained from 2MASS Photometry

• Autorzy: Wegner W.
• Języki publikacji: EN

Abstrakty

EN

This paper is based on JHK_s magnitudes of 8 842 different spectral types stars obtained from 2MASS photometry. The mean intrinsic colors have been derived with the aid of two-color diagrams for stars of luminosity classes I-II, III and IV-V. The present results are based on samples of every Sp/L, reasonably larger than any other previously used for determining infrared colors. The smoothed infrared colors are compared with those obtained by other authors. Examples of several two-color diagrams and plots of the observed and smoothed intrinsic colors vs. spectral types of luminosity classes I-II, III and IV-V are presented. Generally the newly determined infrared intrinsic colors (V-J)₀, (V-H)₀ and (V-K_s)₀ differ significantly from those available in literature.

Słowa kluczowe

EN

stars: fundamental parameters; infrared: stars

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2014
• Tom: Vol. 64, No. 3
• Strony: 261--275
• Opis fizyczny: Bibliogr. 63 poz., tab., wykr.

Twórcy

autor

Wegner W.

• University of Technology, Łęgska 20, 87-800, Włocławek, Poland

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