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HD 104457


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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:からす座
Right ascension:12h01m39.25s
Declination:-19°20'20.2"
Apparent magnitude:8.497
Distance:961.538 parsecs
Proper motion RA:-12.9
Proper motion Dec:-6.1
B-T magnitude:9.844
V-T magnitude:8.609

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 104457
TYCHO-2 2000TYC 6097-1553-1
USNO-A2.0USNO-A2 0675-11847738
HIPHIP 58653

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