The electron temperature of the inner halo of the Planetary Nebula NGC 6543
| dc.creator | Hyung, Siek | |
| dc.creator | Mellema, Garrelt | |
| dc.creator | Lee, Seong-Jae | |
| dc.creator | Kim, Hyouk | |
| dc.date | 2001-08-22 | |
| dc.date.accessioned | 2026-07-07T01:59:43Z | |
| dc.date.available | 2026-07-07T01:59:43Z | |
| dc.description | We investigate the electron temperature of the inner halo and nebular core regions of NGC 6543, using archival Hubble Space Telescope (HST) Wide Field Planetary Camera 2 (WFPC2) images taken through narrow band [O III] filters. Balick et al. (2001) showed that the inner halo consists of a number of spherical shells. We find the temperature of this inner halo to be much higher (~15000 K) than that of the bright core nebula (~8500 K). Photo-ionization models indicate that hardening of the UV radiation from the central star cannot be the main source of the higher temperature in the halo region. Using a radiation hydrodynamic simulation, we show that mass loss and velocity variations in the AGB wind can explain the observed shells, as well as the higher electron temperature. | |
| dc.description | 9 pages, 6 figures, to be published in A&A | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0108352 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0108352 | |
| dc.identifier | Mon.Not.Roy.Astron.Soc. 318 (2000) 77 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/3224 | |
| dc.subject | Astrophysics | |
| dc.title | The electron temperature of the inner halo of the Planetary Nebula NGC 6543 | |
| dc.type | text |