Journal: Astronomy and Astrophysics

  • Publication
    High resolution optical spectroscopy of IRAS 09425-6040 (=GLMP 260)
    We present high resolution optical spectroscopic observations of IRAS 09425-6040, a peculiar, extremely red, C-rich AGB star showing prominent O-rich dust...
  • Publication
    High resolution spectroscopy of stars with transiting planets. The cases of OGLE-TR-10, 56, 111, 113, and TrES-1
    Context: .During the past years photometric surveys, later complemented by follow-up radial-velocity measurements, have revealed the presence of several new...
  • Publication
    High resolution spectroscopy of the high latitude rapidly evolving post-AGB star SAO 85766 (= IRAS 18062+2410)
    SAO 85766 (b = +20o) is an IRAS source with far-infrared colours similar to planetary nebulae. According to the HDE catalogue, its spectrum in 1940 was that of...
  • Publication
    High spatial resolution mid-infrared spectroscopy of the starburst galaxies NGC 3256, II Zw 40 and Henize 2-10
    Aims.In order to show the importance of high spatial resolution observations of extra-galactic sources when compared to observations obtained with larger...
  • Publication
    High speed magnetized flows in the quiet Sun
    Context. We analyzed spectropolarimetric data recorded with Hinode/SP in quiet-Sun regions located at the disk center. We found single-lobed Stokes V profiles...
  • Publication
    High zenith angle observations of PKS 2155-304 with the MAGIC-I telescope
    Context. The high frequency peaked BL Lac PKS 2155-304 with a redshift of z = 0.116 was discovered in 1997 in the very high energy (VHE, E > 100 GeV) γ-ray...
  • Publication
    High-contrast optical imaging of companions: the case of the brown dwarf binary HD 130948 BC
    Context. High-contrast imaging at optical wavelengths is limited by the modest correction of conventional near-IR optimized AO systems. We take advantage of new...
  • Publication
    High-frequency waves in the corona due to null points
    This work aims to understand the behavior of non-linear waves in the vicinity of a coronal null point. In previous works we have shown that high-frequency waves...
  • Publication
    High-precision acoustic helium signatures in 18 low-mass low-luminosity red giants. Analysis from more than four years of Kepler observations
    Context. High-precision frequencies of acoustic modes in red giant stars are now available thanks to the long observing length and high quality of the light...