Tipo de publicación: Con árbitro

  • Publicación
    The long-term optical evolution of the black hole candidate MAXI J1659-152
    We present 5 yr of optical and infrared data of the black hole candidate MAXI J1659-152 covering its 2010 outburst, decay, and quiescence. Combining optical...
  • Publicación
    The longest thermonuclear X-ray burst ever observed?. A BeppoSAX Wide Field Camera observation of 4U 1735-44
    A long flux enhancement, with an exponential decay time of 86 min, is detected in 4U 1735-44 with the BeppoSAX Wide Field Cameras. We argue that this is a type...
  • Publicación
    The low L solar p-mode spectrum at maximum and minimum solar activity
    Velocity measurements of disc integrated sunlight obtained at the Observatorio del Teide (Izana) from 1980 throughout 1989 are used to find the frequencies and...
  • Publicación
    The Low Metallicity Tail of the Halo Metallicity Distribution Function
    Ongoing spectroscopy and photometry of stars selected in the HK objective-prism/interference-filter survey of Beers and colleagues has resulted in the...
  • Publicación
    The Low Redshift survey at Calar Alto (LoRCA)
    The Baryon Acoustic Oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to measure the accelerated expansion of the Universe...
  • Publicación
    The low-excitation structures of planetary nebulae
    The low excitation properties of the planetary nebula (PN) NGC 6720 are known to be unusual, and to imply large ring/core emission ratios. We point out that...
  • Publicación
    The low-luminosity accretion disc wind of the black hole transient V4641 Sagittarii
    We present an optical spectroscopic study of the black hole X-ray transient V4641 Sgr (=SAX J1819.3-2525) covering the 1999, 2002, and 2004 outbursts. The...
  • Publicación
    The Low-Redshift Quasar-Quasar Correlation Function from an Extragalactic Hα Emission-Line Survey to z=0.4
    We study the large-scale spatial distribution of low-redshift quasars and Seyfert 1 galaxies using a sample of 106 luminous emission-line objects (MB~-23)...
  • Publicación
    The Lowest Mass White Dwarf
    Extremely low mass white dwarfs are very rare objects likely formed in compact binary systems. We present MMT optical spectroscopy of 42 low-mass white dwarf...