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HD 103907


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Radial velocities of faint stars from objective prism plates
A simple method by which the approximate radial velocity of a star maybe obtained from objective prism plates is described in detail. Themethod has been used to derive the velocities of 41 faint stars, most ofwhich have metal-weak spectra and are shown to be high-velocity objects.It is shown that this method may be generalized so that the radialvelocities for all measurable stars on an objective prism plate can beobtained.

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Observation and Astrometry data

Constellation:Κόραξ
Right ascension:11h57m52.75s
Declination:-18°58'55.7"
Apparent magnitude:7.646
Distance:152.905 parsecs
Proper motion RA:21.6
Proper motion Dec:-41
B-T magnitude:8.95
V-T magnitude:7.754

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 103907
TYCHO-2 2000TYC 6097-600-1
USNO-A2.0USNO-A2 0675-11811821
HIPHIP 58343

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