1-4 μm spectroscopy of very red stars found in an I-band objective prism survey

Miwa Goto, Yoshinori Sasaki, Masatoshi Imanishi, Tetsuya Nagata, Terry Jay Jones

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

We present the 1.2-4.2 μm spectroscopy of stars found in an objective prism survey of the galactic plane by Stephenson (1992, AAA 55.002.010). These stars were thought by Stephenson to be heavily reddened by interstellar absorption. However, almost all of them have turned out to be late-type stars with clear 2.3 μm CO absorption, which means that they are intrinsically red as well. A few stars have AV ∼ 9, but most of them are only moderately reddened (AV = 1-5).

Original languageEnglish (US)
Pages (from-to)485-492
Number of pages8
JournalPublications of the Astronomical Society of Japan
Volume49
Issue number4
DOIs
StatePublished - Jan 1 1997

Keywords

  • Infrared: spectra
  • Interstellar: extinction
  • Stars: classification
  • Stars: late-type

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