Journal: Astronomy and Astrophysics

  • Publication
    Spiral-shaped wavefronts in a sunspot umbra
    Context. Solar active regions show a wide variety of oscillatory phenomena. The presence of the magnetic field leads to the appearance of several wave modes...
  • Publication
    SPIRE imaging of M 82: Cool dust in the wind and tidal streams
    M 82 is a unique representative of a whole class of galaxies, starbursts with superwinds, in the Very Nearby Galaxy Survey with Herschel. In addition, its...
  • Publication
    Spitzer observations of spacecraft target 162173 (1999 JU3)
    Context: Near-Earth asteroid 162173 (1999 JU3) is the primary target of the Japanese Aerospace Exploration Agency (JAXA) Hayabusa-2 sample return mission, and...
  • Publication
    Spitzer observations of the asteroid-comet transition object and potential spacecraft target 107P (4015) Wilson-Harrington
    Context: Near-Earth asteroid-comet transition object 107P/ (4015) Wilson-Harrington is a possible target of the joint European Space Agency (ESA) and Japanese...
  • Publication
    Spitzer thermal phase curve of WASP-121 b
    Aims: We analyse unpublished Spitzer observations of the thermal phase-curve of WASP-121 b, a benchmark ultra-hot Jupiter. Methods: We adopted the wavelet pixel...
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    Spitzer/IRAC view of Sh 2-284. Searching for evidence of triggered star formation in an isolated region in the outer Milky Way
    Aims: Using Spitzer/IRAC observations of a region to be observed by the CoRoT satellite, we have unraveled a new complex star-forming region at low metallicity...
  • Publication
    SSSPM J1102-3431: A probable new young brown dwarf member of the TW Hydrae Association
    We have used archival survey data, most importantly from the SuperCOSMOS Sky Surveys, to derive accurate proper motions and thus confirm the membership of two...
  • Publication
    SSSPM J1444-2019: An extremely high proper motion, ultracool subdwarf
    We present the discovery of a new extreme high proper motion object (˜3.5 arcsec/year) which we classify as an ultracool subdwarf with [M/H] ˜ -0.5. It has a...
  • Publication
    Stability and formation of the resonant system HD 73526
    Context: Based on radial velocity measurements, it has been found that the two giant planets detected around the star HD 73526 are in 2:1 resonance. However, as...