1997A&A...323..901H

Query : 1997A&A...323..901H

1997A&A...323..901H - Astronomy and Astrophysics, volume 323901-908 (1997/7-3)

Metal abundances of A-type stars in three galactic clusters.

HUI-BON-HOA A., BURKHART C. and ALECIAN G.

Abstract (from CDS):

Investigations have been carried out for 11 A stars in young open clusters (α Per, Coma, and Praesepe) and three field stars by means of high resolution spectroscopy. Detailed abundance analyses have been made for Mg, Ca, Sc, Cr, Fe, and Ni. The results are discussed in the framework of element stratification processes as invoked by time-dependent diffusion mechanisms in Am stars. The youngest cluster of our sample, α Per, seems to show some untypical abundance patterns which might be identified as early Am phases.

Abstract Copyright: ∼

Journal keyword(s): open clusters: individual: α Per (alpha Per cluster), Coma (Coma star cluster), Praesepe - stars: abundances - chemically peculiar

Simbad objects: 17

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Number of rows : 17
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 HD 3883 ** 00 41 36.0377718120 +24 37 44.448788316   6.333 6.046     kA5hF1mF2 127 0
2 V* V459 Per dS* 03 21 58.6188233040 +49 12 53.516136816   9.45 9.18     F0IV 74 0
3 V* V461 Per dS* 03 24 19.1824987152 +49 13 16.531786560   9.34 9.00     A8V 99 0
4 HD 20969 SB* 03 25 04.3622041464 +49 47 43.448313120   9.46 9.15     A8V 64 0
5 HD 21092 * 03 26 10.6122946032 +48 13 18.295795560   8.70 8.53     A5V 58 0
6 Cl Melotte 20 MGr 03 26 50.6 +48 51 48           ~ 928 0
7 HD 21527 * 03 30 19.3259640120 +48 29 57.595018020   9.08 8.89     A7IV 64 0
8 BD+49 967 Pe* 03 33 54.3645153816 +50 17 47.947459164   9.87 9.53     kA2hA8mA8Sr 56 0
9 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1610 0
10 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1925 0
11 HD 73045 SB* 08 36 48.0046481184 +18 52 58.090934424   8.89 8.62     kA1hA5mA9Si 92 0
12 HD 73618 ** 08 39 56.4981407544 +19 33 10.788354324   7.49 7.30     kA4mF0III 95 0
13 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
14 HD 73709 SB* 08 40 20.7479143752 +19 41 12.242993316   7.87 7.68     kA2hA5mF0(III-IV)(Cr) 120 0
15 Cl Melotte 111 OpC 12 11 54.9 +25 16 36           ~ 520 0
16 V* KU Com dS* 12 21 26.7390932544 +24 59 49.298164296   7.64 7.38     Am 130 0
17 HD 108651 SB* 12 28 44.5650287472 +25 53 57.557921208   6.82 6.61     kA2hA9VmF0 174 0

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