A new objective prism of 60 CM diameter - Discovery of a halo star with high radial velocity

Details A new objective prism of 60 CM diameter - Discovery of a halo star with high radial velocity A new objective prism of 60 CM diameter - Discovery of a halo star with high radial velocity

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975crasb.281..481f&link_type=abstract

Academie des Sciences (Paris), Comptes Rendus, Serie B - Sciences Physiques, vol. 281, no. 19, Nov. 10, 1975, p. 481-483. In Fr

Astronomy and Astrophysics

Astronomy

4

Hot Stars, Lens Design, Prisms, Radial Velocity, Schmidt Telescopes, Astronomical Observatories, Ubv Spectra

Scientific paper

A 60 cm normal objective prism has been mounted with the Schmidt telescope (focal distance: 208 cm; plate: 60 cm) at the Observatoire de Haute Provence. The prism comprises a Flint C 2036 and a Crown Baryum C2957 with a common angle of 12 deg 15 sec. Plates made with the device have revealed a new blue halo star with a radial velocity of -153 km/sec. The stellar coordinates (1950) are: right ascension - 8 h 13 mn; declination - 75 deg 56 sec. The magnitude is 10.5. Results of a spectrophotometric study of the star are discussed.

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