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HD 84445


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Hipparcos astrometry for 257 stars using Tycho-2 data
We present improved Hipparcos astrometry for 257 Hipparcos stars,resolved into 342 components. For 64 of the stars no astrometry wasobtained in the Hipparcos Catalogue, while for the remaining starsadditional components have been added by this solution or the positionshave been revised considerably. We have used the published Hipparcostransit data for the new solutions, together with results from thesecond reduction of the Tycho data for defining better initial values.Based on observations made with the ESA Hipparcos astrometry satellite.Table 3 is only available in electronic form at the CDS via anonymousftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html

Nouvelle table de longueurs d'onde pour la determination des vitessesradiales stellaires des etoiles de types avances.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971A&A....13..447C&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Pompa
Sað Açýklýk:09h44m38.98s
Yükselim:-29°37'22.1"
Görünürdeki Parlaklýk:9.175
özdevim Sað Açýklýk:35.5
özdevim Yükselim:-30.1
B-T magnitude:10.003
V-T magnitude:9.244

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 84445
TYCHO-2 2000TYC 6614-924-1
USNO-A2.0USNO-A2 0600-12723003
HIPHIP 47797

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