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HD 4581


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Five-colour photometry of OB-stars in the Southern Hemisphere
Observations of OB-stars, made in 1959 and 1960 at the Leiden SouthernStation near Hartebeespoortdam, South Africa, with the VBLUW photometerattached to the 90 cm light-collector, are given in this paper. They arecompared with photometry obtained by \cite[Graham (1968),]{gra68}\cite[Walraven & Walraven (1977),]{wal77} \cite[Lub & Pel(1977)]{lub77} and \cite[Van Genderen et al. (1984).]{gen84} Formulaefor the transformation of the present observations to those of\cite[Walraven & Walraven (1977)]{wal77} and \cite[Lub & Pel(1977)]{lub77} are given. Table 4 is only available in electronic format the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) orvia http://cdsweb.u-strasbg.fr/Abstract.html

UBV photometry of stars whose positions are accurately known. IV
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1987A&AS...68..211O&db_key=AST

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Observation and Astrometry data

Constellation:アンドロメダ座
Right ascension:00h48m09.41s
Declination:+35°44'18.1"
Apparent magnitude:8.684
Distance:221.239 parsecs
Proper motion RA:33.8
Proper motion Dec:3.8
B-T magnitude:10.319
V-T magnitude:8.819

Catalogs and designations:
Proper Names
HD 1989HD 4581
TYCHO-2 2000TYC 2288-1464-1
USNO-A2.0USNO-A2 1200-00344139
HIPHIP 3751

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