Tipo de publicación: Sin árbitro

  • Publicación
    The Nearest Active Galaxies
    A new near-infrared camera, SHARP (System for High Angular Resolution Pictures), has been used at the 3.5m ESO NTI' to produce near-diffraction-limited K-band...
  • Publicación
    The Necklace planetary nebula: equatorial and polar outflows from a post-common-envelope system
    We present the discovery of a new planetary nebula from the IPHAS survey. The remarkable morphology of its inner regions, which display a bright knotty ring...
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    The need for very high resolution spectroscopy for the study of hot subdwarfs
    Hot subdwarf stars (hot sds) are blue subluminous objects at high galactic latitudes. They split into two well-separated spectroscopic sequences: the O (sdOs)...
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    The neutron star transient SAX J1810.8-2609 going back to quiescence
    We observed the neutron star transient SAX J1810.8-2609 with Swift-XRT on November 3rd and 5th, in order to follow its way to quiescence. The source was not...
  • Publicación
    The neutron star transient XTE J1701-407 has returned to quiescence after a 3-year long outburst
    The neutron star low-mass X-ray binary and long thermonuclear burst source XTE J1701-407 (ATel #1618) has been active ever since its discovery in 2008 June...
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    The new 1.5 solar telescope GREGOR: progress report and results of performance tests
    The telescope structure including control system and the complete retractable dome of the new 1.5 m solar telescope GREGOR were assembled during 2004 at Izana...
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    The new 1.5m solar telescope GREGOR: first light and start of commissioning
    The integration of the three main silicon carbide mirrors into the new 1.5 m solar telescope GREGOR at Izana on Tenerife, Spain is planned during 2006. We...
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    The New Kepler Picture of Variability Among A and F Type Stars
    The Kepler spacecraft is providing photometric time series with micro-magnitude precision for thousands of variable stars, what opens up opportunities to study...
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    The New Local Group Galaxy Candidates Cas dSph, Peg dSph = And VI and Cam A
    We present observations of the new Local Group galaxy candidates Cassiopeia dSph, Pegasus dSph=AndVI and Camelopardalis A. Our deep color-magnitude diagrams...