𝔖 Bobbio Scriptorium
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Observations of planetary nebulae wanted

✍ Scribed by C. D. Perrine

Publisher
John Wiley and Sons
Year
1929
Tongue
English
Weight
104 KB
Volume
237
Category
Article
ISSN
0004-6337

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πŸ“œ SIMILAR VOLUMES

Spectroscopic verification of suspected
Spectroscopic verification of suspected planetary nebulae. III.
✍ L. Kohoutek; R. Pauls πŸ“‚ Article πŸ“… 1994 πŸ› John Wiley and Sons 🌐 English βš– 291 KB

## Abstract Classification of eight objects as planetary nebulae (Table I/A) was confirmed according to our image tube spectra; as to further two objects (Table 1/B) their status remains unclear. In Table 2 we give estimates of line‐strengths, derived heliocentric radial velocities and their standa

Photometric observations of the central
Photometric observations of the central star of the planetary nebula NGC 2346 in 1991/1992
✍ H. G. Grothues; L. Kohoutek πŸ“‚ Article πŸ“… 1993 πŸ› John Wiley and Sons 🌐 English βš– 259 KB πŸ‘ 1 views

Four minima have been stated and can be interpreted in terms of occulting dust clouds, probably representing dense condensations of the planetary nebula. We derived R = Av1EB-v = 4.0. Photoelektrische UBV-Beobachtungen des Zentralsterns des Planetarischen Nebels NGC 2346, gemessen in 60 Nachten zwis