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arXiv · astro-ph/0302244

Dust and Molecules in V4743 Sgr

M. Nielbock·L. Schmidtobreick
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Abstract

We present 1.2 mm continuum images and spectral line observations of CO(1--0) and SiO(3--2) rotational transitions of the recent nova V4743 Sgr. The nova is detected at 1.2 mm showing a variable millimetre emission. Only upper limits of T_A* = 0.06 K for CO and T_A* = 0.03 K for SiO could be derived. We discuss the results in terms the nature of the millimetre emission favouring dust from a phase before the recent outburst as the likely radiating source. We also comment on the possibility of free-free emission from the ionised shell as the source of the measured millimetre radiation.

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M. Nielbock, L. Schmidtobreick. 2003-02-12. Dust and Molecules in V4743 Sgr. https://doi.org/10.1051/0004-6361%3A20030107

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