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HD 3504


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Artículos relacionados

ICCD Speckle Observations of Binary Stars.XV.An Investigation of Lunar Occultation Systems
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.2260M&db_key=AST

The open cluster NGC 3293 and the OB complex in Carina
Photoelectric measures in UBVRI of 46 stars in and around the opencluster NGC 3293 are presented. A distance modulus of V(0) - M(v) equals12.1 plus or minus 0.15 (s.d.), corresponding to 2.6 kpc, was derivedfrom the photometric data for 34 member stars. This is similar todistances found for other young groups in the Carina region. One Msupergiant and one Be star are members of the cluster. The brighteststars on the main sequence are of type B1. Several stars that haveevolved away from the upper main sequence have been classified as giantsand supergiants. The age of the cluster is about 7-million years. Thestar HD 91824 (no. 1), spectral type O7 V((f)), is not a member of thegroup. The insterstellar reddening is normal in front of this cluster.

Photoelectric observations of lunar occultations. XI
Occultation observations of 466 events are presented. These includediameter measures of Aldebaran under very bad conditions and a gooddiameter measure of 82 Vir. The list includes 91 reappearances andobservations of 34 double or multiple stars, both new and previouslyknown. The inconsistencies of the observations of Kui 88 are discussed.Further observations are most desirable.

Micrometer observations of double stars.8.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975ApJS...29..315H&db_key=AST

Mesures d'étoiles doubles faites au rĝfraceur de 38 cm de l'Observatoire de Nice
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Mesures d'étoiles doubles faites au réfracteur de 38 centimètres de l'Observatoire de Nice
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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Ballena
Ascensión Recta:00h38m00.96s
Declinación:+02°34'14.0"
Magnitud Aparente:9.535
Movimiento Propio en Ascensión Recta:-32.5
Movimiento Propio en Declinación:-16.1
B-T magnitude:10.112
V-T magnitude:9.583

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 3504
TYCHO-2 2000TYC 13-297-1
USNO-A2.0USNO-A2 0900-00148676
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