SIMBAD references

2002A&A...387..129W - Astronomy and Astrophysics, volume 387, 129-138 (2002/5-3)

Near-infrared observations of candidate extrinsic S stars.

WANG X.-H. and CHEN P.-S.

Abstract (from CDS):

Photometric observations in the near infrared for 161 S stars, including 18 Tc-rich (intrinsic) stars, 19 Tc-deficient (extrinsic) ones and 124 candidates for Tc-deficient S stars, are presented in this paper. Based on some further investigations into the infrared properties of both Tc-rich and Tc-deficient S stars, 104 candidates are identified as very likely Tc-deficient S stars. The large number of infrared-selected Tc-deficient S stars provides a convenient way to study the physical properties and the evolutionary status of this species of S stars.

Abstract Copyright:

Journal keyword(s): stars: AGB and post-AGB - stars: evolution - stars: circumstellar matter - infrared: stars

VizieR on-line data: <Available at CDS (J/A+A/387/129): table1.dat table2.dat table3.dat>

Simbad objects: 205

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