Astrophysical: Infrared photometry

  • Publication
    Application of the infrared flux method to globular cluster stars. The M 3 giant branch

    The authors present optical and near infrared photometry, covering from 0.36 to 2.3 microns, for a wide sample of red giant stars in the globular cluster M3...

  • Publication
    Blue stragglers - A search for binaries in the infrared

    Infrared photometry in the J, H and K bands, performed on a sample of 33 blue stragglers (BS) belonging to 8 open clusters is presented. This photometry has...

  • Publication
    CCD photometry of Seyfert galaxies

    Morphology and elliptically averaged luminosity profiles have been derived from CCD surface photometry of thirteen Seyfert galaxies. Apparent V and I magnitudes...

  • Publication
    Condensation of dust around the Wolf-Rayet star WR 125

    Infrared photometry of the WC7-type Wolf-Rayet star WR 125 (MR 93) in 1981-91 shows a 10-fold rise in the 3-4 micron flux during 1990-91. This, together with...

  • Publication
    Coordinated visible and infrared monitoring of rapid variations of Markarian 501 - First results with FOVIA

    The paper presents simultaneous monitoring of the BL Lacertae object Markarian 501 obtained in the visible and near infrared using a double photometer system on...

  • Publication
    Detector test and calibration facility at IAC

    A detector test bench is described which encompasses among its capabilities a wide, IR-visible spectral range, and a wide range of radiation response. The...

  • Publication
    High-speed infrared photometry of rapidly oscillating AP (roAp) stars - 10 Aquilae

    High-speed photometric observations of the recently discovered roAp star 10 Aql were performed in the J(1.22-micrometer) filter. A total of 47.2 hours of data...

  • Publication
    How anomalous is the interstellar extinction in NGC 3372, the Carina Nebula?

    Near-infrared JHKL photometry of more than 200 stars in the open clusters Tr 14, Tr 15, Tr 16, Cr 228, and Cr 232 in the Carina Nebula is presented. By...

  • Publication
    Infranight infrared spectral variability in OJ 287

    We present results from five nights of pseudo-simulations JHK infrared monitoring of the blazar OJ 287 taken with the Carlos Sanchez Telescope during March 1991...