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HD 242052


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Catalogue of H-alpha emission stars in the Northern Milky Way
The ``Catalogue of Stars in the Northern Milky Way Having H-alpha inEmission" appears in Abhandlungen aus der Hamburger Sternwarte, Band XIin the year 1997. It contains 4174 stars, range {32degr <= l() II< 214degr , -10degr < b() II < +10degr } having the Hαline in emission. HBH stars and stars of further 99 lists taken from theliterature till the end of 1994 were included in the catalogue. We givethe cross-identification of stars from all lists used. The catalogue isalso available in the Centre de Données, Strasbourg ftp130.79.128.5 or http://cdsweb.u-strasbg.fr and at the HamburgObservatory via internet.

Catalogue of stars in the northern Milky Way having H-alpha in emission
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Lunar occultation summary. II
Results of a second series of 196 two-color photoelectric lunaroccultation observations made within the interval from May 1972 toDecember 1973 are reported. Each observation has been employed toestimate the minimum magnitude difference between the observed objectand possible undetected companions. The study contains the analyses of143 disappearances and 53 reappearances. Eighteen of these eventsmanifest some degree of multiplicity. Included in the study are 18occultation events for Pleiades members.

Structural detail in a region near the anticentre
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观测天体数据

星座:金牛座
右阿森松:05h15m58.93s
赤纬:+25°21'32.4"
视星:8.952
距离:153.846 天文距离
右阿森松适当运动:-1.5
赤纬适当运动:7.8
B-T magnitude:10.289
V-T magnitude:9.063

目录:
适当名称   (Edit)
HD 1989HD 242052
TYCHO-2 2000TYC 1850-56-1
USNO-A2.0USNO-A2 1125-02235065
HIPHIP 24550

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