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HD 19540


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Neuer Veränderlicher S 10921 Persei.
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Objective-prism discoveries in the northern sky - II.
Five tables list the observed characteristics of 244 northern hemispherestars recorded in 100 108 A/mm dispersion plates at H-gamma wavelengths.The 5 x 5 deg fields contained a number of suspected weak-metal objects.Listings are divided into peculiar A stars, metallic line and deltaDelphini stars, high luminosity objects, Ca II emission stars of the Gand K type, and composite spectra.

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Observation and Astrometry data

Constellation:Περσεύς
Right ascension:03h10m20.59s
Declination:+45°56'25.5"
Apparent magnitude:7.285
Distance:406.504 parsecs
Proper motion RA:2.8
Proper motion Dec:-4.1
B-T magnitude:8.785
V-T magnitude:7.409

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 19540
TYCHO-2 2000TYC 3310-459-1
USNO-A2.0USNO-A2 1350-03126146
HIPHIP 14742

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