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HD 242386


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UBVRI photometry of G, K, M HIPPARCOS stars
UBVRI data are presented for a set of 229 late-type stars, most of thembeing high proper motion stars. All these data are part of the InputCatalog planned observations for the Hipparcos mission.

The local system of early type stars - Spatial extent and kinematics
Published uvby and H-beta photometric data and proper motions arecompiled and analyzed to characterize the structure and kinematics ofthe bright early-type O-A0 stars in the solar vicinity, with a focus onthe Gould belt. The selection and calibration techniques are explained,and the data are presented in extensive tables and graphs and discussedin detail. The Gould belt stars of age less than 20 Myr are shown togive belt inclination 19 deg to the Galactic plane and node-lineorientation in the direction of Galactic rotation, while the symmetricaldistribution about the Galactic plane and kinematic properties (purecircular differential rotation) of the belt stars over 60 Myr oldresemble those of fainter nonbelt stars of all ages. The unresolveddiscrepancy between the expansion observed in the youngest nearby starsand the predictions of simple models of expansion from a point isattributed to the inhomogeneous distribution of interstellar matter.

Four-color and H-beta photometry for O-A0 type stars in three regions near the galactic equator
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1982A&AS...49..561W&db_key=AST

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Datos observacionales y astrométricos

Constelación:Cochero
Ascensión Recta:05h18m30.33s
Declinación:+30°15'29.6"
Magnitud Aparente:9.928
Movimiento Propio en Ascensión Recta:1.6
Movimiento Propio en Declinación:-3.1
B-T magnitude:10.034
V-T magnitude:9.937

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 242386
TYCHO-2 2000TYC 2390-1314-1
USNO-A2.0USNO-A2 1200-03131842
HIPHIP 24759

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