Astrofísicas: Estrellas de neutrones

  • Publicación
    SAX J1750.8-2900 is returning to quiescence
    The neutron star transient SAX J1750.8-2900 has been in outburst since March 15th, 2008 (ATel #1425). The X-ray flux started to decay around mid May and fell...
  • Publicación
    Self-consistent models for Coulomb heated X-ray pulsar atmospheres
    Calculations of accreting magnetized neutron star atmospheres heated by the gradual deceleration of protons via Coulomb collisions are presented. Self...
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    SN 1988A in M58 - Departure from Co-56 decay 700 days after explosion
    Observations of SN 1988A in M58 are presented which show a remarkable departure from Co-56 decay in the optical light curve starting about 700 days since...
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    SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814
    On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An...
  • Publicación
    Spectral transition of 4U 1608-522 during the undergoing 2010 outburst
    Following the SuperAGILE detection of an X-ray burst from the neutron star transient and atoll source 4U 1608-522 (ATel #2461), on 3 March 2010 at 06:33:25 UT...
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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...
  • Publicación
    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-XRT detects X-ray burst from Circinus X-1
    Following the recent re-brightening (ATel #2608) and RXTE-PCA detection of X-ray bursts from the peculiar X-ray binary Cir X-1 between May 15 and 25 (ATel #2643...
  • Publicación
    Swift/XRT follow-up and a refined position of the X-ray transient XTE J1728-295
    Following the report of the newly detected outburst of the transient XTE J1728-295 (possibly IGR J17285-2922 detected by INTEGRAL) in the RXTE PCA bulge scans...