SIMBAD references

2007AJ....134.1089S - Astron. J., 134, 1089-1102 (2007/September-0)

H-R diagrams based on the HD stars in the Michigan spectral catalogue and the Hipparcos catalog.

SOWELL J.R., TRIPPE M., CABALLERO-NIEVES S.M. and HOUK N.

Abstract (from CDS):

The systematic, spectroscopic two-dimensional classification of the HD stars by N. H. is approximately three-quarters complete. Over 161,000 stars have been classified visually using 10° objective-prism plates (2 Å resolution) taken at CTIO with the Michigan Curtis Schmidt telescope. The published portion of this large, homogeneous database, taken from volumes 1-5 of the Michigan Spectral Catalogue (declination -90° to +5°), has been used to create an H-R diagram. The Hipparcos parallax measurements provide a large homogenous database, too. H-R diagrams of the HD stars found in both catalogs are produced for distances to 20, 50, 100, and 200 pc.

Abstract Copyright:

Journal keyword(s): Catalogs - Galaxy: Stellar Content - Stars: Hertzsprung-Russell Diagram - Stars: Statistics

Simbad objects: 362

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2019.10.16-07:59:27

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