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HD 181394


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관련 글

Spectral classifications in the near infrared of stars with composite spectra. III. Study of a sample of 137 objects with the Aurelie spectrograph
We provide spectral classifications for a sample of 137 stars mentionedas having composite spectra. The classifications were carried out on 33Angstroms /mm spectra in the region 8370 - 8870 Angstroms. Of these 137objects, 115 correspond in the infrared to cool stars (G, K or M) ofluminosity classes III, II and I; for 22 stars, we find only hot spectraof types B, A, F or Am, so that they do not fulfil our definition ofcomposite spectra. We detect four new Am stars, and one Am star (HD70826) turns out to be a composite spectrum object. As in Paper II, thecool components of composite spectra show a strong concentration in thevicinity of G8III. Based upon observations carried out at Observatoirede Haute-Provence (OHP).

A survey of stars with composite spectra.
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관측 및 측정 데이터

별자리:독수리자리
적경:19h20m34.06s
적위:-06°44'51.6"
가시등급:8.142
거리:746.269 파섹
적경상의 고유운동:1
적위상의 고유운동:2.4
B-T magnitude:9.951
V-T magnitude:8.292

천체목록:
일반명
HD 1989HD 181394
TYCHO-2 2000TYC 5142-2375-1
USNO-A2.0USNO-A2 0825-15410695
HIPHIP 95068
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