O(He) central stars of planetary nebulae

Fundamental Data

PN G (1) Nebula Star alpha(2000) delta(2000) m_B Type Ref
286.8-29.5 K 1-27 AG82 54 05 57 02.1 -75 40 22.5 16.7 O(He) 2
291.4+19.2 LoTr 4 AG82 141 11 52 29.2 -42 17 38.7 16.1 O(He) 3,4
HS 1522+6615 15 22 56.7 +66 04 42.1 16.4 O(He) 7
HS 2209+8229 22 08 25.8 +82 44 52.0 16.0 O(He) 7

References

1. Acker A., Ochsenbein F., Stenholm B., Tylenda R., Marcout J., Schohn C., 1992,
The Strasbourg-ESO catalogue of Galactic planetary nebulae , ESO.
2. Mendez R.H., Kudritzki R.P., Simon K.P., 1985, A&A 142, 289.
3. Mendez R.H., 1992, in IAU Symp. 145, Evolution of Stars: the Photospheric Abundance Connection, p.375.
4. Frederick L.W., West R.M., 1984, A&AS 56, 325.
7. Rauch, T, Dreizler, S., Wolff, B., 1998, A&A 338, 651