Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apjs..119..197f&link_type=abstract
The Astrophysical Journal Supplement Series, Volume 119, Issue 2, pp. 197-205.
Astronomy and Astrophysics
Astronomy
8
Planetary Nebulae: Individual (Ngc 1501 Ic 1747), Ism: Planetary Nebulae: Individual: Alphanumeric: Ic 1297
Scientific paper
The IUE spectra of NGC 1501, IC 1747, and IC 1297 have been analyzed with the Final Archive NEWSIPS processing and contain a large amount of new information. The UV spectra of the first two objects have received very little attention up to now, although they belong to the astrophysically rare but important group of planetary nebulae that exhibit O VI, O VII, and O VIII emission lines. Terminal wind velocities in the range -2500 < V_∞ < -3880 km s^-1 were derived for the three objects from P Cygni profiles of the O V lambda1371 and C IV lambda1549 lines and are thought to be the first detection of stellar winds for these planetaries. Electron densities for IC 1297 have been redetermined, and more than 60 emission lines were identified.
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