Tipo de publicación: Sin árbitro

  • Publicación
    Survey of stellar associations using proper motions
    Stellar Proper Motions can be represented as great circles over the Celestial Sphere. This point of view creates a geometry over the sphere where the study of...
  • Publicación
    Surveys for low-mass stars and brown dwarfs: Solar Neighbourhood and intermediate-age clusters Alpha Per and Collinder 359
    Lipid bilayers are key components of biomembranes; they are self-assembled two-dimensional structures, primarily serving as barriers to the leakage of cell's...
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    Survival of the obscuring torus in the most powerful active galactic nuclei
    Dedicated searches suggest that the fraction of obscured Active Galactic Nuclei (AGN) decreases substantially with increasing luminosity. To explain these...
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    Swift detects an X-ray burst and renewed activity from KS 1741-293
    An X-ray burst from the direction of the neutron star (NS) transient and thermonuclear burster KS 1741-293 triggered the Swift-BAT on 2011-09-01 at 12:07:22 UTC...
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    Swift detects increased activity of the neutron star transient SAX J1750.8-2900
    After our report on the flux decay of the neutron star transient SAX J1750.8-2900 (ATel #1662) we have continued monitoring the source with Swift-XRT in order...
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    Swift follow-up of the flaring BL Lac 1ES0806+524
    Following the gamma-ray, VHE (E>100 GeV) flare of the blazar 1ES 0806+525 (RA:08h09m49.2s DEC:+52d18m58.2s, z=0.138) detected by MAGIC on 2011 February 25 (ATel...
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    SWIFT J052522.48+241331.8 (=1RXS J052523.2+241331) is a Cataclysmic Variable
    We report optical spectroscopy of the putative optical counterpart to the Swift source J052522.48+241331.8 (Page, Tueller & Beardmore 2007, ATEL #1279). We note...
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    SWIFT J1749.4-2807: X-ray decay, refined position and optical observation
    We analyzed seven, target ID 31686, Swift follow-up observations of the neutron-star X-ray transient Swfit J1749.4-2807 (Wijnands et al. 2009) currently in...
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    SWIFT J1753.5-0127: orbital period, high-frequency timing analysis and multi-band observations.
    We have conducted an extensive observational campaign of SWIFT J1753.5-0127 over the last year, since its bright our-burst episode in 2005. Using long time...