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LV Vulpeculae

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Through Parsec

LabCosmic Distances — Light-years & Parsecs

Before its eruption, LV Vulpeculae was a magnitude 16.2 object. It is classified as a "fast nova", meaning its brightness declined by more than 3 magnitudes in less than 100 days.

A small emission nebula (shell), a few arc seconds in diameter, has been detected surrounding this nova. However, there are several field stars overlapping the nebula, which makes deriving quantitative information from shell images difficult.

All novae are binary stars, with a "donor" star orbiting a white dwarf. The two stars are so close to each other that matter is transferred from the donor star to the white dwarf. LV Vulpeculae has a carbon-oxygen white dwarf component with an estimated mass of 1.1 M☉ and it is receiving 2×10−9 M☉ per year of material from the donor star.

Distance estimates for LV Vulpeculae vary widely, ranging from 820±50 parsecs to 4,090±220 parsecs.

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