Access to Astronomical Catalogues

J/A+A/452/567       Spectra of Nova Scuti 2005 N.2 (V477 Sct)    (Munari+, 2006)
BVI photometry and the spectroscopy of Nova Scuti 2005 N.2.
    Munari U., Siviero A., Navasardyan H., Dallaporta S.
   <Astron. Astrophys. 452, 567 (2006)>
   =2006A&A...452..567M
ADC_Keywords: Novae ; Spectroscopy

Keywords: stars: novae, cataclysmic variables


Abstract:
    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.
Objects:
    ---------------------------------------------------------
       RA   (2000)   DE      Designation(s)
    ---------------------------------------------------------
    18 38 42.93  -12 16 15.6 NOVA Sct 2005 N.2 = V* V477 Sct
    ---------------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
fluxlr.dat        31     1019   3500-7815Å absolute fluxed spectrum
                              for 2005 Oct 27.7
halpha.dat        31     1019   Continuum normalized spectrum around Halpha
                              for 2005 Oct 27.7
oi.dat            31     1019   Continuum normalized spectrum around OI/CaII
                              for 2005 Oct 27.7


Byte-by-byte Description of file: fluxlr.dat halpha.dat oi.dat

   Bytes Format Units           Label     Explanations

   1- 16 F16.11 0.1nm           Lambda    Wavelength
  20- 31  E12.7 10mW/m2/nm      Flux      Flux


Acknowledgements:
    Ulisse Munari, munari(at)pd.astro.it
(End)                                      Patricia Vannier [CDS]    01-Jun-2006