Spectra of Nova Scuti 2005 N.2 (V477 Sct) (Munari+, 2006)

Details Spectra of Nova Scuti 2005 N.2 (V477 Sct) (Munari+, 2006) Spectra of Nova Scuti 2005 N.2 (V477 Sct) (Munari+, 2006)

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34520567m&link_type=abstract

VizieR On-line Data Catalog: J/A+A/452/567. Originally published in: 2006A&A...452..567M

Physics

Novae, Spectroscopy

Scientific paper

Our CCD photometry of Nova Scuti 2005 N.2 (=V477 Sct) shows it to be a very fast nova, which is characterized by t2=3 and t3=6 days, affected by a E(B-V)>=1.3mag reddening, and which peaked at V~9.8mag on ~Oct. 12.0 UT. The nova was probably entering a dust condensation episode or brightness oscillations during the transition phase when it became unobservable for the seasonal conjunction with the Sun. Absolute spectrophotometry shows it to belong to the He/N class. The emission line width at half intensity is 2600km/s. At least five ripples are identified in the high resolution emission lines profiles at radial velocities ranging from -980 to +700km/s. The nova erupted at a large distance from the Sun and at an appreciable height above the Galactic plane, suggesting an association with the Galactic bulge (unusual for a He/N nova). The progenitor was too faint to be recorded on DSS1/2 survey plates, when setting the outburst amplitude to DeltaV>=11mag.
(3 data files).

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