Astrophysical: Recurrent novae

  • Publication
    Emission line flaring in the SW Sex old nova V533 Herculis
    We present high time resolution spectroscopy of the non-eclipsing old nova V533 Herculis (N Her 1963). It is the second nova remnant affected by the `SW Sex...
  • Publication
    Irradiation of the secondary star in X-ray Nova Scorpii 1994 (=GRO J1655-40)
    We have obtained intermediate resolution optical spectra of the black-hole candidate Nova Sco 1994 in June 1996, when the source was in an X-ray/optical active...
  • Publication
    M31N 2008-12a, the Unique Recurrent Nova in Andromeda: A Quick Look at the 2022 Eruption
    M31N 2008-12a, located in the Andromeda galaxy (M31), is the best studied recurrent nova. It presents periodic outbursts with about one year between eruptions...
  • Publication
    Optical Observations of the X-ray Nova J0422+32
    Not Available
  • Publication
    Ultracool Subdwarfs: The Halo Population Down to the Substellar Limit
    Ultracool subdwarfs are low luminosity, late-type M and L dwarfs that exhibit spectroscopic indications of subsolar metallicity and halo kinematics. Their...
  • Publication
    V838 Mon and the new class of stars erupting into cool supergiants (SECS)
    V838 Mon has undergone one of the most mysterious stellar outbursts on record. The spectrum at maximum closely resembled a cool AGB star, evolving toward cooler...