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HD 29403


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A catalogue of eclipsing variables
A new catalogue of 6330 eclipsing variable stars is presented. Thecatalogue was developed from the General Catalogue of Variable Stars(GCVS) and its textual remarks by including recently publishedinformation about classification of 843 systems and making correspondingcorrections of GCVS data. The catalogue1 represents thelargest list of eclipsing binaries classified from observations.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.

Galactic clusters with associated Cepheid variables. III - NGC 1647 and SZ Tauri
Observational data and analysis are used to argue that the Cepheid Z Tauis an outlying member of the open cluster NGC 1647. The spatialcoincidence of the Cepheid with the cluster corona, as well ascoincidences in radial velocity, proper motion, and age with clustermembers, present a convincing case for cluster membership, which is alsosupported by independent estimates for the mean radius of SZ Tau. Theevidence presented by the derived luminosity of the Cepheid and itslight curve strongly indicates that SZ Tau is pulsating in the firstovertone, rather than fundamental, mode.

Space reddenings for six Cepheid variables
Color excesses are derived for six galactic Cepheids from reddeningsfound for neighboring stars which seem likely to be physicallyassociated with each variable. The Cepheids studied are: SU Cas, whichis associated with a dust complex and R association; Zeta Gem and AlphaUMi, which have F dwarfs as close companions; BB Sgr and SZ Tau, whichlie in the coronal regions of the clusters Collinder 394 and NGC 1647,respectively; and SV Vul, which is involved in an older region of theassociation Vul OB1. The derived reddenings are in good agreement withother, independent, estimates from the literature.

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Observation and Astrometry data

Constellation:おうし座
Right ascension:04h38m31.06s
Declination:+18°44'01.4"
Apparent magnitude:8.486
Distance:505.051 parsecs
Proper motion RA:-0.4
Proper motion Dec:-4.5
B-T magnitude:8.687
V-T magnitude:8.503

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 29403
TYCHO-2 2000TYC 1270-459-1
USNO-A2.0USNO-A2 1050-01348246
HIPHIP 21621

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