33 citations · 37 across the 4 of their papers we have counts for
4 papers · 1 filter
A radio-continuum and photoionization-model study of the two planetary nebulae in the Sagittarius dwarf galaxy
G. Dudziak, D. Pequignot, A. A. Zijlstra +1
Radio continuum observations at 1.4, 4.8 and 8.6 GHz of the two Planetary Nebulae (PNe) in the Sagittarius dwarf galaxy reveal the elongated shape of Wray 16-423 and the extreme co…
Third-dredge-up oxygen in planetary nebulae
D. Pequignot, J. R. Walsh, A. A. Zijlstra +1
The planetary nebulae He 2-436 and Wray 16-423 in the Sagittarius dwarf galaxy appear to result from nearly twin stars, except that third-dredge-up carbon is more abundant in He 2-…
Chemical Abundances of Planetary Nebulae in the Sagittarius Dwarf Elliptical Galaxy
J. R. Walsh, G. Dudziak, D. Minniti +1
Spectrophotometry and imaging of the two planetary nebulae He2-436 and Wray16-423, recently discovered to be in the Sagittarius dwarf elliptical galaxy, are presented. Wray16-423 i…
Two planetary nebulae in the Sagittarius Dwarf Galaxy
Albert A. Zijlstra, J. R. Walsh
Two planetary nebulae are shown to belong to the Sagittarius Dwarf Galaxy, on the basis of their radial velocities. This is only the second dwarf spheroidal galaxy, after Fornax, f…