1999MNRAS.310..146A

Query : 1999MNRAS.310..146A

1999MNRAS.310..146A - Mon. Not. R. Astron. Soc., 310, 146-156 (1999/November-3)

Elemental abundance analyses with DAO spectrograms - XXII. The B9-A3 stars λ Ursae Majoris, 59 Herculis, 14 Cygni and 29 Cygni.

ADELMAN S.J.

Abstract (from CDS):

Elemental abundances of the moderately rotating B9-A3 stars λ UMa, 59 Her, 14 Cyg and 29 Cyg have been derived in a consistent manner with previous studies of this series from spectrograms obtained with Reticon and CCD detectors. The derived elemental abundances show that λ UMa is a mild Am star, while 59 Her is slightly metal-rich. Although 14 Cyg has values closer to solar than these stars, its subsolar Ca and Sc abundances indicate that it might be the hottest known hot-Am star. 29 Cyg is a metal-poor λ Boo star.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): stars: abundances - stars: chemically peculiar - stars: individual: λ UMa - stars: individual: 59 Her - stars: individual: 14 Cyg - stars: individual: 29 Cyg

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * lam UMa PM* 10 17 05.7792565752 +42 54 51.889698684 3.54 3.48 3.45 3.37 3.38 A1IV 198 0
2 * lam Boo dS* 14 16 23.0184083839 +46 05 17.895459693 4.31 4.26 4.18 4.16 4.13 A0Va_lB 362 0
3 * d Her * 17 01 36.3612969768 +33 34 05.766475152   5.288 5.267     A3IV 113 0
4 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
5 * 14 Cyg * 19 39 26.4926212920 +42 49 05.741064084 5.10 5.32 5.40     B9III 97 0
6 * phi Aql SB* 19 56 14.2519125984 +11 25 25.401080424   5.283 5.278     A1IV 140 0
7 * b03 Cyg dS* 20 14 32.0323540824 +36 48 22.700909124 5.10 5.11 4.99 4.79 4.72 A2V 284 0

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