Astrophysical: Neutron stars

  • Publication
    First Detection of the X-ray Burster 2S 1711-339 in Quiescence and a Suggested Optical Counterpart.
    We report on a Chandra observation of the transient low-mass X-ray binary and type-I X-ray burst source 2S 1711-339 (Carpenter et al. 1977,MNRAS,179,270; Wilson...
  • Publication
    Further Chandra observations of SAX J1747.0-2853 and the region around Sgr A*
    On 20-21 October 2005, the remaining six Chandra/HRC-I observations (as mentioned in ATEL #637) were performed as part of the XMM-Newton/ Chandra monitoring...
  • Publication
    Improved position of the new X-ray transient XTE J1637-498
    Following the discovery of the new X-ray transient XTE J1637-498 (Atel #1699), we obtained a short (nearly 1 ksec) observation using the Swift/XRT in PC mode on...
  • Publication
    Indirect evidence for an active radio pulsar in SAX J1808.4-3658 during quiescence
    Millisecond radio pulsars are neutron stars that have been spun-up by the transfer of angular momentum during the low-mass X-ray binary phase. The transition...
  • Publication
    Li abundances in late-type companions to neutron stars and black hole candidates
    Following our recent report of a strong Li lambda 6708 resonance line in the secondary of the black hole candidate V404 Cyg, we present here its detection in...
  • Publication
    Long-term Study of the 2020 Magnetar-like Outburst of the Young Pulsar PSR J1846-0258 in Kes 75
    Magnetar-like activity has been observed in a large variety of neutron stars. PSR J1846‑0258 is a young 327 ms radio-quiet pulsar with a large rotational power...
  • Publication
    M31GC J004234+405709 (Bol 117) Observed by Chandra Is a New Transient X-Ray Source in M31: CXOM31 J004234.2+405709
    In ATel #1815 we erroneously associated the globular cluster M31GC J004234+405709 (Bol 117) with object s1-1 from Williams et al. (2006, ApJ 643, 356). Bol 117...
  • Talk
    Matter under extreme conditions and Heavy Ion Colliders
    According to Quantum Chromodynamics, which is the well established theory of strong interactions, quark and gluons are forced to live inside hadrons because of...
  • Publication
    Mini-outburst of Aql X-1
    We report YALO consortium observation of a mini-outburst of Aquila X-1 = V1333 Aql, which occurred between July 04.27 and 07.29 UT. This X-ray binary outbursts...