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SPECTRAL CLASSIFICATION OF SYMBIOTIC STARS IN THE NEAR-INFRARED
HUANG, CC; FRIEDJUNG, M; ZHOU, ZX
1994-09-01
Source PublicationASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
ISSN0365-0138
Volume106Issue:3Pages:413-418
AbstractWe present preliminary results of near infrared observations of 6 S type symbiotic binaries, made with the aim of confirming and improving previous spectral classifications of the cool component. Representative CCD spectra of some symbiotic and comparison stars in the region of the Ca II infrared triplet are displayed. On our spectrograms at a dispersion of 33 angstrom/ mm the FeI/Ti II blend at 8469 angstrom and the Fe I line at 8514 angstrom are more useful luminosity discriminants for symbiotics than the Ca II triplet (8498, 8542 and 8662 angstrom) which is disturbed in some symbiotic spectra by emission components of the Ca II triplet and of Paschen lines. The temperature classification of late M cool components can be reliably derived from strengths of TiO and VO bands. Preliminary new spectral types and luminosity classes of six observed symbiotic stars are described and discussed.
Keyword(Stars) Binaries Symbiotic, Stars, Fundamental Parameters
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordULTRAVIOLET
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:A1994PE32400004
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8509
Collection期刊(老文献)
Affiliation1.INST ASTROPHYS, 98 BIS BLVD ARAGO, F-75014 PARIS, FRANCE
2.PURPLE MT OBSERV, NANJING 210008, PEOPLES R CHINA
Recommended Citation
GB/T 7714
HUANG, CC,FRIEDJUNG, M,ZHOU, ZX. SPECTRAL CLASSIFICATION OF SYMBIOTIC STARS IN THE NEAR-INFRARED[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1994,106(3):413-418.
APA HUANG, CC,FRIEDJUNG, M,&ZHOU, ZX.(1994).SPECTRAL CLASSIFICATION OF SYMBIOTIC STARS IN THE NEAR-INFRARED.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,106(3),413-418.
MLA HUANG, CC,et al."SPECTRAL CLASSIFICATION OF SYMBIOTIC STARS IN THE NEAR-INFRARED".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 106.3(1994):413-418.
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