Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...470..577m&link_type=abstract
Astrophysical Journal v.470, p.577
Astronomy and Astrophysics
Astronomy
19
Ism: Dust, Extinction, Infrared: Stars, Stars: Novae, Cataclysmic Variables, Stars: Individual Constellation Name: Nova Aquilae 1995
Scientific paper
We report 1.25-18.5 μm infrared spectrophotometric measurements of Nova Aquilae 1995. Photometric measurements were obtained over a four month period following the formation of an optically thin dust shell. Hydrogen and helium emission lines were evident throughout this period, along with strong near-infrared coronal line emission that appeared approximately 120 days after outburst. Both the photometric and the spectroscopic data suggest that the ejecta were clumpy, and that they contained both a dust component and a hot gas component. The outflow velocity of the ionized ejecta was observed to be ˜1365-1600 km s-1 (FWHM), and no appreciable deceleration of the ejecta was observed over the duration of these observations. Based on a Mv-t2 light decline relationship, we calculate a distance of ˜3.6-4.8 kpc.
Gehrz Robert D.
Greenhouse Matthew A.
Hayward Thomas L.
Houck James R.
Mason Christopher G.
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