Publication type: Refereed

  • Publication
    The Rotation Period of C/1995 01 (Hale-Bopp)
    C/1995 O1 (Hale-Bopp) was observed in daylight on 16 days between 1997 April 1 and 1997 April 28, five of which had long time sequences (up to 10 hr of data)...
  • Publication
    The Rotation Period of C/2014 Q2 (Lovejoy)
    C/2014 Q2 (Lovejoy) was observed around perihelion (2015 January 30) on 15 nights between 2015 January 21 and February 11 using the TADer 0.3-m astrograph...
  • Publication
    The rotation rates of massive stars. How slow are the slow ones?
    Context. Rotation plays a key role in the life cycles of stars with masses above ~8 M⊙. Hence, accurate knowledge of the rotation rates of such massive stars is...
  • Publication
    The rotation speed of the companion star in Aquila X-1.
    We have obtained medium resolution spectra of the neutron star X-ray transient Aql X-1 during quiescence. We determine the spectral type of the companion star...
  • Publication
    The rotation speed of the companion star in V395 CAR (=2S0921-630)
    We have obtained high resolution optical spectroscopy of the accretion disc corona source 2S0921-630 (=V395 Car) that constrains the spectral type of the...
  • Publication
    The rotation-metallicity relation for the Galactic disk as measured in the Gaia DR1 TGAS and APOGEE data
    Aims: Previous studies have found that the Galactic rotation velocity-metallicity (V-[Fe/H]) relations for the thin and thick disk populations show negative and...
  • Publication
    The rotation-metallicity relation for the Galactic disk as measured in the Gaia DR1 TGAS and APOGEE data
    Aims: Previous studies have found that the Galactic rotation velocity-metallicity (V-[Fe/H]) relations for the thin and thick disk populations show negative and...
  • Publication
    The rotational broadening of V395 Carinae. Implications on the compact object's mass
    Context: The masses previously obtained for the X-ray binary 2S 0921-630 inferred a compact object that was either a high-mass neutron star or low-mass black...
  • Publication
    The Runaway White Dwarf LP400-22 has a Companion
    We report the detection of a radial velocity companion to the extremely low-mass white dwarf (WD) LP400-22. The radial velocity of the WD shows variations with...