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HD 39096


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Empirical temperature calibrations for early-type stars
Three temperature calibrations of suitable photometric quantities havebeen derived for O and B stars. A sample of 120 stars with reliableT(eff.) determinations has been used for establishing each calibration.The different calibrations have been critically discussed and compared.Temperature determinations for 1009 program stars have been obtainedwith an accuracy of the order of 10 percent.

Derivation of angular diameters of stars from lunar occultations
A description is presented of the results obtained in the photoelectricobservations of occultations involving four stars. The considered starsinclude Eta Gem (ZC 946), Mu Gem (ZC 976), 187 B. Gem (ZC 1161), and 31Leo (ZC 1486). The theoretical principles of the studies are considered,taking into account point source occultations, the stellar diameter andthe influence of telescope aperture, and spectral effects. Observationaldata concerning the considered stars are presented in a table and anumber of graphs. It is pointed out that Mu Gem is a triple system.However, on account of their distances and their weakness the companionscannot affect the observed intensity curve. A combination of the deriveddiameter with the trigonometric parallax reported by Jenkins (1963)provides for the linear diameter of Mu Gem the result of 91 plus orminus 28 solar diameters.

Photoelektrische Photometrie von Shell-Sternen
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...15..311H&db_key=AST

Vitesses radiales dans 4 champs de petite latitude galactique.
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Observation and Astrometry data

Constellation:おうし座
Right ascension:05h51m32.98s
Declination:+28°05'31.7"
Apparent magnitude:8.144
Distance:10000000 parsecs
Proper motion RA:0.8
Proper motion Dec:-5.1
B-T magnitude:8.176
V-T magnitude:8.147

Catalogs and designations:
Proper Names
HD 1989HD 39096
TYCHO-2 2000TYC 1870-1502-1
USNO-A2.0USNO-A2 1125-02910484
HIPHIP 27676

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