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Miscellaneous spectroscopic notes
Results of slit-spectrograph observations are reported for approximately260 stars. The data presented range from recognition of many new Ap, Am,and other unusual stars to H-alpha observations of early-typesupergiants and Be stars. The material discussed was obtained over thepast 40 years at a number of U.S. observatories and at the DominionAstrophysical Observatory in Victoria, B.C.
| Spectral and Luminosity Classification of the Bright Sequence Stars in the C Regions.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJ...121...32N&db_key=AST
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Membro dei seguenti gruppi:
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Osservazione e dati astrometrici
| Costellazione: | Orione |
| Ascensione retta: | 05h04m41.80s |
| Declinazione: | +14°51'32.5" |
| Magnitudine apparente: | 6.778 |
| Distanza: | 100.2 parsec |
| Moto proprio RA: | 3 |
| Moto proprio Dec: | -30.2 |
| B-T magnitude: | 6.954 |
| V-T magnitude: | 6.793 |
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