Publications

This section contains the publications database that collects IAC articles published in scientific journals. Please, click on the arrow to see full search filter and sort options: author, journal, year, etc..

It also provides access to IAC Preprints Repository here: https://research.iac.es/preprints/

  • GLITP optical monitoring of QSO 0957+561: VR light curves and variability
    The Gravitational Lenses International Time Project (GLITP) collaboration observed the first gravitational lens system (QSO 0957+561) from 2000 February 3 to March 31. The daily VR observations were made with the 2.56-m Nordic Optical Telescope at Roque de los Muchachos Observatory, La Palma, Spain. We have derived detailed and robust VR light
    Ullán, A. et al.

    Advertised on:

    12
    2003
    Citations
    10
  • Galaxy structure: core radii and central mass deficits
    We investigate the nuclear and global structure of early-type galaxies, and the apparent disparity between the Nuker and Sersic models for radial light profiles. We show that the so-called "power-law" galaxies in fact have Sersic r1/n profiles over their entire observed radial range. Consequently, only three (Sersic-profile) parameters are required
    Graham, A. W. et al.

    Advertised on:

    12
    2003
    Citations
    0
  • Galactic-Field Initial Mass Functions of Massive Stars
    Over the past years observations of young and populous star clusters have shown that the stellar initial mass function (IMF) appears to be an invariant featureless Salpeter power law with an exponent α=2.35 for stars more massive than a few Msolar. A consensus has also emerged that most, if not all, stars form in stellar groups and star clusters
    Kroupa, Pavel et al.

    Advertised on:

    12
    2003
    Citations
    480
  • First Commissioning of the IR Spectrograph LIRIS
    The near-infrared spectrograph LIRIS was first commissioned on the WHT on the nights of 15-19 Feb 2003. During all that time the instrument functioned with no major failures. At the time of commissioning LIRIS included imaging and spectroscopic observing modes. Spectroscopy could be done at low resolution (about 700 using the narrowest slit of 0.65
    Acosta Pulido, J. A. et al.

    Advertised on:

    12
    2003
    Citations
    17
  • Exploring Non-circular Gaseous Motions in Early-type Spirals
    We present some results from a new 2D spectrograph, SAURON (Bacon et al. 2001; de Zeeuw et al. 2002). Each SAURON, exposure provides stellar as well as gaseous kinematics and absorption line strength in the wavelength range (4800-5200 Å), covering an area of (33"x41"). We have observed a sample of 24 early-type spiral galaxies, and have obtained
    Fathi, K. et al.

    Advertised on:

    12
    2003
    Citations
    0
  • Direct Confirmation of Two Pattern Speeds in the Double-barred Galaxy NGC 2950
    We present the surface photometry and stellar kinematics of NGC 2950, which is a nearby and undisturbed SB0 galaxy hosting two nested stellar bars. We use the Tremaine-Weinberg method to measure the pattern speed of the primary bar. This also permits us to establish directly and for the first time that the two nested bars are rotating with
    Corsini, E. M. et al.

    Advertised on:

    12
    2003
    Citations
    97