SIMBAD references

2003A&A...409..953K - Astronomy and Astrophysics, volume 409, 953-957 (2003/10-3)

Optical spectroscopy of IRAS 02091+6333.

KIMESWENGER S., BACHER A., EMPRECHTINGER M., GROEMER G.E., KAPFERER W., KAUSCH W., KITZBICHLER M.G., LECHNER M.F.M., LEDERLE C., UYTTERHOEVEN K. and ZIJLSTRA A.A.

Abstract (from CDS):

We present a detailed spectroscopic investigation, spanning four winters, of the asymptotic giant branch (AGB) star IRAS 02091+6333. Zijlstra & Weinberger (2002ApJ...572.1006Z) found a giant wall of dust around this star and modelled this unique phenomenon. However their work suffered from the quality of the optical investigations of the central object. Our spectroscopic investigation allowed us to define the spectral type and the interstellar foreground extinction more precisely. Accurate multi band photometry was carried out. This provides us with the possibility to derive the physical parameters of the system. The measurements presented here suggest a weak irregular photometric variability of the target, while there is no evidence of a spectroscopic variability over the last four years.

Abstract Copyright:

Journal keyword(s): stars: AGB and post-AGB - stars: individual: IRAS 02091+6333 = GSC 04041-01743

Simbad objects: 9

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2019.12.07-20:16:22

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