Tipo de publicación: Sin árbitro

  • Publicación
    Discovery of Four New Ultra-compact Nuclear Rings in Three Spiral Galaxies
    Ultra-compact nuclear rings (UCNRs) are ring-shaped star-forming regions around galactic nuclei that range in radius from a few to 200 pc. Only a handful are...
  • Publicación
    Discovery of kilohertz QPOs in RXTE observations of SAX J1748.9-2021.
    We report on RXTE observations of the ongoing outburst of the accreting millisecond X-ray pulsar SAX J1748.9-2021 (Altamirano et al. 2008, 674, 45A, see ATEL...
  • Publicación
    Discovery of mHz QPOs and burst rate evolution in the active Terzan 5 neutron star transient
    We report on RXTE observations of the neutron star transient currently active in Terzan 5 (also known as IGR J17480-2446; ATels #2919, #2920, #2922, #2924,...
  • Publicación
    Discovery of Phosphorus-rich stars
    Almost all chemical elements have been made by nucleosynthetic reactions in various kind of stars and have been accumulated along our cosmic history. Among...
  • Publicación
    Discovery of Resolved X-ray/radio/optical Supernova Remnants in M31
    Chandra observations of M31 allow the first spatially resolved X-ray image of a supernova remnant (SNR) in an external spiral galaxy. CXOM31 J004327.7+411829 is...
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    Discovery of the first white dwarf + T dwarf binary system and the use of white dwarfs as age calibrators
    We present the discovery of the first white dwarf + T dwarf binary system. Systems containing a white dwarf and a brown dwarf are rare but can be used to place...
  • Publicación
    Discovery of the local counterpart of disc galaxies at z > 4: The oldest thin disc of Milky Way using Gaia-RVS
    Context: JWST has recently detected numerous disc galaxies at high-redshifts and there have been observations of cold disc galaxies at z > 4 with ALMA. In the...
  • Publicación
    Discovery of the optical counterpart to XTEJ1748-361=A1744-36
    We report the discovery of the optical counterpart to the X-ray transient XTE J1748-361 using the 6.5m Magellan-Clay telescope at Las Campanas Observatory...
  • Publicación
    Discovery of the shortest recurrence time between thermonuclear X- ray bursts
    An RXTE observation of 4U 1636-536 taken on March 10th, 2009, revealed two type I X-ray bursts from this well studied neutron star low-mass X- ray binary (NS...