planetary nebulae: individual: NGC 6302stars: AGB and post-AGBstars: imagingNGC 6302 is one of the highest ionization planetary nebulae known and showsemission from species with ionization potential >300eV. The temperature of thecentral star must be >200,000K to photoionize the nebula, and has...
Explanation:The bright clusters and nebulae of planet Earth's night sky are often named forflowersorinsects. Though its wingspan covers over 3 light-years,NGC 6302is no exception. With an estimated surface temperature of about 250,000 degreesC, the dying central star of this particularplanetary...
We use photoionization models to show that these high derived electron temperatures are inconsistent with the assumption that the nebular ionization is produced solely by radiation from the central star. Much of the intense (Ne V) 3426 A emission from these objects must arise from highly ionized ...
However, we did detect one interesting object: an OH 1612 MHz maser in the young planetary nebula NGC 6302. This nebula may be in a brief evolutionary stage, similar to the young and compact planetary nebula Vy 2-2 where OH has already been detected....
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We measure the mass and kinematics of the massive molecular torus in the planetary nebula NGC 6302. The nebula is the proto-typical butterfly nebula. The o... N Peretto,G Fuller,A Zijlstra,... - 《Astronomy & Astrophysics》 被引量: 26发表: 2007年 Erratum: Using slitless spectroscopy to...
甲虫雾, 星系, 明星, NGC6302, 行星雾(Beetle Fog, Galaxies, Star, Ngc 6302, Planetary Fog) 仙女座天体宇宙尘(Andromeda celestial cosmos dust) 仙女座天体宇宙尘(Andromeda celestial cosmos dust) 所有仙女座天文学(Abstract all andromeda astronomy) 郁金香, 约翰·泰勒的《罂粟花和仙女座》_1648-1709...
Most of the time observers stick to the variable aspects of the main nebula NGC 2261 to the north side of the R Monoceros "Herbig Ae/Be star" (Finkenzeller... G St-Onge,D Bergeron,D St-Gelais,... - 《Journal of the Royal Astronomical Society of Canada》 被引量: 0发表: 2022年 Ra...
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Aluminium is also depleted by a factor of 100, consistent with depletion by dust grains.The central star of NGC 6302 is partly obscured by the opaque circumstellar disc, which is seen almost edge-on, and as such its properties are not well constrained. However, emission from a number of ...