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HD 91507

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관련 글

Walraven photometry of nearby southern OB associations Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.
The chemical evolution of the solar neighborhood. I - A bias-free reduction technique and data sample The possible ways of measuring the age-metallicity relation for thegalactic disk in the neighborhood of the sun are discussed. It is shownthat the use of a field star sample chosen on the basis of effectivetemperature introduces a bias which results in a monotonic increase inthe metal abundance of the disk with time. However, if theage-metallicity relation for the disk can be shown to satisfy certaincriteria, the bias introduced in such a sample can be neglected: thegalactic disk apparently satisfies the criteria. It is concluded that asample analyzed through the use of uvby and H(beta) photometry inconjunction with a self-consistent set of theoretical isochronesprovides the least biased, most accurate estimate of the age-metallicityrelation for the disk.
Relative radial velocities from objective prism spectra in the region of nine southern open star clusters and a star field at Eta Carinae Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...41..245G&db_key=AST

관련 링크

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관측 및 측정 데이터

별자리:	용골자리
적경:	10^h32^m27.74^s
적위:	-59Â°51'57.0"
가시등급:	7.776
거리:	267.38 파섹
적경상의 고유운동:	-13.4
적위상의 고유운동:	-7.3
B-T magnitude:	8.111
V-T magnitude:	7.804

천체목록:

일반명	(Edit)
HD 1989	HD 91507
TYCHO-2 2000	TYC 8613-355-1
USNO-A2.0	USNO-A2 0300-09929332
HIP	HIP 51601

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