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HD 22267


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uvby - β Photoelectric Photometry of the Open Cluster α Per
Absolute photoelectric photometry of stars in the direction of the OpenCluster α Per has been secured and is presented along with ananalysis reinforced with all the available data in Strömgrenuvby-β photometry compiled from the literature. Cluster membershipis analyzed and the physical characteristics of the stars have beendeduced. The membership determined in this paper is compared with thatof proper motion studies and Hipparcos.

New periodic variables from the Hipparcos epoch photometry
Two selection statistics are used to extract new candidate periodicvariables from the epoch photometry of the Hipparcos catalogue. Theprimary selection criterion is a signal-to-noise ratio. The dependenceof this statistic on the number of observations is calibrated usingabout 30000 randomly permuted Hipparcos data sets. A significance levelof 0.1 per cent is used to extract a first batch of candidate variables.The second criterion requires that the optimal frequency be unaffectedif the data are de-trended by low-order polynomials. We find 2675 newcandidate periodic variables, of which the majority (2082) are from theHipparcos`unsolved' variables. Potential problems with theinterpretation of the data (e.g. aliasing) are discussed.

Analysis of IRAS stellar sources in Alpha Persei region
The present study is an analysis of IR sources in the Alpha Persei opencluster region from the IRAS Point Source Catalog and from ground-basedphotometric observations. Cross-identification between stars in theregion and IRAS Point Source Catalog was performed and nine newassociations were found. BVRI Johnson photometry for 24 of the matchedobjects have been carried out. Physical identity of visual and IRASsources and relationship to the Alpha Persei open cluster are discussed.

Measurements of 258 radial velocities in two fields near Alpha Per
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1987A&AS...68..515F&db_key=AST

Photometry of the α Persei Cluster.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1960ApJ...132...68M&db_key=AST

Eigenbewegungen in der Umgebung von α Persei
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观测天体数据

星座:英仙座
右阿森松:03h37m04.72s
赤纬:+47°15'41.2"
视星:7.724
距离:2325.581 天文距离
右阿森松适当运动:-6.9
赤纬适当运动:-1.7
B-T magnitude:10.012
V-T magnitude:7.913

目录:
适当名称   (Edit)
HD 1989HD 22267
TYCHO-2 2000TYC 3317-2545-1
USNO-A2.0USNO-A2 1350-03658284
HIPHIP 16869

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