Publication type: Non-refereed

  • Publication
    Optical Emission of Ultraluminous X-ray Sources: Donor Star or Disk Irradiation?
    After a decade of intense studies using the latest X-ray and optical telescopes, the nature of ultraluminous X-ray sources (ULXs) is still largely unknown. No...
  • Publication
    Optical follow-up of galaxy cluster candidates detected by Planck satellite in the PSZ catalogue
    The Legacy PLANCK all-sky Sunyaev-Zeldovich (SZ) galaxy cluster catalogues PSZ1 and PSZ2 (Planck Collaboration XXIX 2013; Planck Collaboration XXVII 2015)...
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    Optical follow-up of GRB970508
    We report on the results of optical follow-up observations of the counterpart of GRB970508 between 7 hours and 100 days after the event. Multi-colour U, B, V...
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    Optical Ground-based Images of BL Lac Objects Scheduled for HST Observations
    Not Available
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    Optical High Resolution Spectra of APOGEE Stars
    The Apache Point Observatory Galactic Evolution Experiment (APOGEE) is an SDSS-III survey that is obtaining high resolution near-IR (H band) spectra of 100,000...
  • Publication
    Optical ID of CXOM31 J004253.1+411422, a bright Black Hole X-ray Nova in M31
    We report the likely optical ID of the bright transient recently discovered in M31, CXOM31 J004253.1+411422 (Henze et al, ATEL #2356). With a peak X-ray...
  • Publication
    Optical Imaging of 57 spiral galaxies (Knapen+ 2004)
    All B, R, I and Hα images described in the paper are presented electronically, along with the Ks images from Paper I (Knapen et al., 2003MNRAS.344..527K). The...
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    Optical Imaging of Serendipitous Chandra Field Sources in the Galactic Plane
    Chandra X-ray Observatory has unprecedented spatial resolution and sensitivity. Its 0.5 arcsec on-axis PSF provides for the first time an angular resolution...
  • Publication
    Optical jets in blazars and radio galaxies.
    The authors have used HST/WFPC2 to observe the optical jet of the two extragalactic radio sources PKS 0521-365 (z = 0.055) and 3C 371 (z = 0.050). For PKS 0521...