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Optical-IR echelle spectroscopy of NGC 6302

Abstract:

Echelle spectroscopy of [Si VI] 1.96 μm, [Mg VIII] 3.03 μm, and [Ar VI] 4.53 μm, using UKIRT+CGS4, shows the line pro les in PN NGC 6302 are singly peaked and unresolved even at R ∼ 20 000, with line widths less than 22 kms-1. A photoionized structure is evidenced by spatial and velocity stratification as a function of ionization potential. But a variety of models, with density and Te gradients, reproduce the spectrum equally well. Preliminary analysis of the 3000-10000 Å echellogram of NGC 6...

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Authors


Casassus, S More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Barlow, MJ More by this author
Binette, L More by this author
Journal:
Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias
Volume:
12
Pages:
132-133
Publication date:
2002
ISSN:
1405-2059
URN:
uuid:1e47ffa9-2e2c-4b89-8b29-410eb54dc0f0
Source identifiers:
345199
Local pid:
pubs:345199

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