2001A&A...367..597A


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.04CEST21:30:27

2001A&A...367..597A - Astronomy and Astrophysics, volume 367, 597-604 (2001/2-4)

Elemental abundance analyses with DAO spectrograms. XXIV. The Mercury Manganese stars υ Her, φ Her, and HR 7018.

ADELMAN S.J., GULLIVER A.F. and RAYLE K.E.

Abstract (from CDS):

Elemental abundances analyses are performed for the Mercury-Manganese stars υ Her, φ Her, and HR 7018 consistent with previous studies of this series using spectrograms obtained with Reticon and CCD detectors. Comparisons of the first two analyses with those performed using coadded photographic plates show the general consistency of the derived elemental abundances. For υ Her and for φ Her, abundances were newly found for O, and for Al, V, Zn, and Ce, respectively. HR 7018 is discovered to be a single-lined spectroscopic binary. Its Sc abundance is the smallest of any class member with derived abundances and its Sr abundance the largest of any known HgMn star. A correlation analysis of the most complete abundance sets for 20 HgMn stars shows that the abundances of some elements are correlated with one another and some are functions of the stellar effective temperature.

Abstract Copyright:

Journal keyword(s): stars: abundances - stars: individual: υ Her - stars: individual: φ Her - stars: individual: HR 7018 - stars: chemically peculiar

VizieR on-line data: <Available at CDS (J/A+A/367/597): table6.ps table6.tex table6a.dat table6b.dat>

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 - 2020
#notes
1 * 53 Tau a2* 04 19 26.0972533052 +21 08 32.310998300   5.413 5.482     B9Vsp 253 0
2 * iot CrB SB* 16 01 26.5649794279 +29 51 03.813505647   4.921 4.971     A0IIIspHgMnEu 254 0
3 * ups Her PM* 16 02 47.8971148667 +46 02 12.129177551 4.33 4.616 4.709     B9III 224 0
4 * phi Her a2* 16 08 46.1668803916 +44 56 05.732213070 3.92 4.20 4.27 4.27 4.36 B9VspHgMn 281 1
5 * n Her * 16 32 35.6857867065 +05 31 16.396436559 5.39 5.57 5.63     B9.5III 107 0
6 HD 172728 PM* 18 37 33.5177776135 +62 31 35.659517169 5.530 5.690 5.740     A0V 63 0
7 * bet02 Cap ** 20 20 46.5502323959 -14 47 05.511257716   6.08 6.10     B9/A0III/IV 133 0

    Equat.    Gal    SGal    Ecl

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2020.07.04-21:30:27

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