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HD 29117


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Interferometric observations of double stars in 1986-1990
A tabulation is presented for the measurements of double stars that havebeen conducted with the photometric phase-grating interferometer of theMt. Sanglok 1-m reflector. The tabulation encompasses the observationepoch, the position angle, the separation in arcsec, the magnitudedifference, formal errors in P.A. and separation, SAO number, andcoordinates for 2000.0.

Cloudcroft occultation summary. I - December 1978-March 1980
Results are presented from the first 16 months of a program undertakento record lunar occultations at Cloudcroft Observatory. The 85 eventssummarized include 38 observations of stars brighter than seventhmagnitude, 26 reappearances, nine angular diameter measurements, and 11observations of binary stars or stars which may be double.

Space motions of galactic G- and K-type stars
Spectra of 912 G- and K-type stars in six galactic directions have beensecured. The relevant space motions of the stars, subdivided intodistance groups, have been derived; these show no significant departuresfrom the mean motion of nearby stars. The velocity dispersions, ingeneral, indicate that these (mainly giant) stars are moderately old.The dispersion in u is lower than that for nearby stars, and thesignificance of this result is discussed.

Spectral and Luminosity Classifications and Measurements of the Strength of Cyanogen Absorption for Late-Type Stars from Objective-Prism Spectra.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1961ApJ...134..809Y&db_key=AST

Helligkeiten und Eigenbewegungen in den Hyaden. Mit 6 Textabbildungen
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관측 및 측정 데이터

별자리:황소자리
적경:04h35m33.79s
적위:+16°08'40.9"
가시등급:7.705
적경상의 고유운동:16.6
적위상의 고유운동:-32.8
B-T magnitude:9.107
V-T magnitude:7.821

천체목록:
일반명   (Edit)
HD 1989HD 29117
TYCHO-2 2000TYC 1266-987-1
USNO-A2.0USNO-A2 1050-01324265

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