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Nebular abundances of southern symbiotic stars
We have calculated relative element abundances for a sample of 43symbiotic stars. Helium abundances and the relative elemental abundancesN/O, Ne/O, Ar/O were derived from new spectra collected in the opticalrange through low dispersion spectroscopy. The He ionic abundances werederived taking into account self-absorption effects in Balmer lines. Wefound that the symbiotic stars in the galactic bulge have heavy elementabundances showing the same wide distribution as other bulge objects. Inthe galactic disk, the symbiotic stars follow the abundance gradient asderived from different kinds of objects.
| BVR Photometry of Northern Hemisphere Luminous Stars. III. LS and HD Stars
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| UBV beta Database for Case-Hamburg Northern and Southern Luminous Stars
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Observation and Astrometry data
| Constellation: | Orion |
| Right ascension: | 05h50m08.44s |
| Declination: | +19°09'58.0" |
| Apparent magnitude: | 8.364 |
| Proper motion RA: | 2.1 |
| Proper motion Dec: | -5.4 |
| B-T magnitude: | 9.045 |
| V-T magnitude: | 8.421 |
Catalogs and designations:
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