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06 October 2024 |
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Two New Planetary Nebulae Discovered in a Galaxy Search in the Southern Milky Way | | R.C. Kraan-Korteweg
; A.P. Fairall
; P.A. Woudt
; G.C. Van de Steene
; | | Date: |
21 May 1996 | | Abstract: | Spectroscopic observations have been carried out for eleven objects believed to be planetary nebulae on the basis of their optical appearance. They were discovered in an ongoing deep search for galaxies in the Southern Milky Way (Kraan-Korteweg & Woudt 1994). The objects were observed with the 1.9m telescope of the South African Astronomical Observatory during our program for obtaining redshifts of obscured galaxies in the ``Zone of Avoidance’’. Of the eleven objects, three proved too faint for a definite classification, four were galaxies with radial velocities between v=3920 km/s and v=14758 km/s, but four were confirmed as planetary nebulae (PNE). Their relative line strengths and radial velocities have been determined. The PNE are on average fairly large (23’’-30’’). Two of them (PNG 298.3+06.7 and PNG 323.6-04.5) were previously unknown; for these we show H_alpha and [OIII] images. | | Source: | arXiv, astro-ph/9605131 | | Services: | Forum | Review | PDF | Favorites | |
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