2003A&A...398..697F

Query : 2003A&A...398..697F

2003A&A...398..697F - Astronomy and Astrophysics, volume 398, 697-704 (2003/2-1)

The spectrum of the SB2 HD 64491 and the problem of metal abundances in λ Boo stars.

FARAGGIANA R. and GERBALDI M.

Abstract (from CDS):

The spectrum of the classical λ Boo star HD 64491 reveals that the object is a double-lined spectroscopic binary whose components have different vsin i values. From such a tangled spectrum, we show that large metal underabundances can be derived with the hypothesis that the spectrum is formed by a single object, while the abundance peculiarities are drastically reduced when the duplicity is taken into account.

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Journal keyword(s): stars: atmospheres - stars: binaries: spectroscopic - stars: chemically peculiar

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* DD Lyn dS* 07 55 40.8273346368 +35 24 45.653471280   6.478 6.221     A3p 73 0
2 HD 84948 SB* 09 50 05.8773671472 +49 04 31.750535568   8.42 8.12     F0 57 0
3 V* MO Hya dS* 12 51 57.8968126608 -26 44 17.772380448   6.358 6.141     F0VkA1mA1_lB 130 0
4 HD 171948 SB* 18 36 37.0229804112 +22 06 27.294803964   6.82 6.77     B9 38 1
5 HD 174005 * 18 48 39.4931934120 -06 00 15.524947980   6.717 6.494     A7VkA2mA2_lB 35 0

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