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HD 29935


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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.

Observations of the suspected variable NSV 1702
Visual and photoelectric observations of the suspected variable NSV 1702suggest no periodic variability with an amplitude above ~0.01 mag.Personal bias is found to be a significant cause of scatter in thevisual light curve but may easily be corrected to improve the value ofthe observations. It is also found that in large combined data sets thepersonal biases of different observers can conspire to produce apparentvariations.

The 72nd Name-List of Variable Stars
Not Available

NSV 1702 : new eclipsing variable with shallow minima.
Not Available

Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).

Magnetic field structure in the Taurus dark cloud
Optical and infrared polarimetry of sources in the direction of theTaurus cloud are obtained in order to study the magnetic field in thiscloud and its possible role in the cloud's evolution. Most of the starsare background giant stars whose light shines through the cloud and ispolarized by the cloud material. The transverse component of themagnetic field, as delineated by the polarization vectors, is generallyperpendicular to the galactic plane, and the stratified structure of thecloud could be due to the effect of the magnetic field during the earlystages of collapse. Three of the 13 embedded stars are stronglypolarized with position angles nearly perpendicular to those of nearbyfield stars. The polarization of these stars is most likely intrinsic,and the direction of polarization indicates that the materialsurrounding these stars may be magnetic i.e., that the magnetic field isfrozen in this material.

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Datos observacionales y astrométricos

Constelación:Tauro
Ascensión Recta:04h43m54.00s
Declinación:+22°56'39.9"
Magnitud Aparente:6.915
Distancia:90.416 parsecs
Movimiento Propio en Ascensión Recta:-0.1
Movimiento Propio en Declinación:-14.6
B-T magnitude:6.924
V-T magnitude:6.916

Catálogos y designaciones:
Nombres Propios
HD 1989HD 29935
TYCHO-2 2000TYC 1830-2130-1
USNO-A2.0USNO-A2 1125-01765625
HIPHIP 22013

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