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질문및답변

HD 75140

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관련 글
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관련 글

Large and kinematically unbiased samples of G- and K-type stars. IV - Evolved stars of the old disk population Modified Stromgren and (R,I) photometry, along with DDO and Genevaphotometry, are presented for a complete sample of evolved old-disk Gand K giants in the Bright Star Catalogue. Stars with ages of between1.5 x 10 to the 9th and 10 to the 10th yr are found to have anear-normal distribution of heavy element abundances, centered on anFe/H abundance ratio of -0.1 dex. The old disk clusters NGC 3680 and IC4651 contain red-straggler young-disk giants that are probablycontemporaries of the blue stragglers in the clusters.
Large and kinematically unbiased samples of G- and K-type stars. II - Observations of evolved stars in the Bright Star sample. III - Evolved young disk stars in the Bright Star sample Four color and RI observations were obtained for a large sample ofG-type and K-type stars in the Bright Star Catalogue. Data are firstpresented for 110 evolved stars. Photometry of evolved young diskpopulation stars have then been calibrated for luminosity, reddening,and metallicity on the basis of results for members of the Hyades andSirius superclusters. New DDO results are given for 120 stars.
Photoelectric radial velocities. V. 69 southern HR stars. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972MNRAS.155..449G&db_key=AST

관련 링크

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새 링크 등록

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관측 및 측정 데이터

별자리:	바다뱀자리
적경:	08^h48^m04.90^s
적위:	-06Â°33'31.0"
가시등급:	6.09
거리:	204.499 파섹
적경상의 고유운동:	15.5
적위상의 고유운동:	-31.8
B-T magnitude:	7.761
V-T magnitude:	6.22

천체목록:

일반명	(Edit)
HD 1989	HD 75140
TYCHO-2 2000	TYC 4876-1544-1
USNO-A2.0	USNO-A2 0825-06563061
BSC 1991	HR 3493
HIP	HIP 43204

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