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Showing 41-60 of 10,000 results
  1. Simulations of Solar AO Systems

    In this paper, first we compare the two kinds of algorithms that are being used in solar AO systems to sense a distorted wave-front through...
    R. Sridharan, A. Raja Bayanna, P. Venkatakrishnan in Science with Adaptive Optics
    Conference paper
  2. Search for Sub-Stellar Companions Using AO – First Results Obtained with NAOS-CONICA

    We present first results of our NAOS-CONICA search for close substellar companions around young nearby stars. This program was started only a few...
    M. Mugrauer, R. Neuhäuser, ... M. Ammler in Science with Adaptive Optics
    Conference paper
  3. Near-Infrared AO Spectroscopy of Edge-On Protoplanetary Disks with Subaru IRCS

    We carried out near infrared (1.4–4.2 μm) AO imaging and spectroscopy of two edge-on protoplanetary disks; HK TauB and HV TauC located in Taurus...
    Hiroshi Terada, Naoto Kobayashi, ... Masahiko Hayashi in Science with Adaptive Optics
    Conference paper
  4. A Search for Close Companions in Sco OB2

    Using adaptive optics we study the binary population in the nearby OB association Scorpius OB2. We present the first results of our near-infrared...
    Thijs Kouwenhoven, Anthony Brown, ... Alessia Gualandris in Science with Adaptive Optics
    Conference paper
  5. Adaptive Optics Observations of Stars in Globular Clusters and Nearby Galaxies

    Observations of nearby stellar systems with the Canada-France-Hawaii Telescope PUEO Adaptive Optics system, the University of Hawaii HOKUPA’A system...
    Conference paper
  6. NACO Observations of NGC 1068

    We present various recent results obtained with adaptive optics systems on the very central region of NGC 1068: Grif long-slit spectroscopy in K band...
    Damien Gratadour, Daniel Rouan, ... François Lacombe in Science with Adaptive Optics
    Conference paper
  7. A Near-Infrared Adaptive Optics Imaging Survey of Nearby QSOs

    We present the results of a near-IR Adaptive Optics imaging survey of 32 nearby (z<0.325) QSOs with curvature AO systems on the Gemini North and...
    Olivier Guyon, Dave Sanders, Alan Stockton in Science with Adaptive Optics
    Conference paper
  8. Subaru Deep Field with Adaptive Optics

    A deep K′-band (2.12μ m) image of 1′ × 1′ blank sky field (Subaru Deep Field; SDF) taken with Subaru Adaptive Optics System (AO) is presented. The...
    Yosuke Minowa, Naoto Kobayashi, ... Masanori Iye in Science with Adaptive Optics
    Conference paper
  9. Adaptive Optics Science with the MMT Adaptive Secondary: Mid-IR AO Imaging of the Post-AGB Star AC Her

    The world’s first adaptive secondary has been commissioned at the 6.5m MMT. Early science results suggests that it is unique and highly productive....
    Laird M. Close, Beth Biller, ... Roger Angel in Science with Adaptive Optics
    Conference paper
  10. One Year of NACO Operations

    The first ESO adaptive optics system instrument, NACO, installed at the VLT has been offered to the astronomical community and used on a regular...
    N. Ageorges, L.E. Tacconi-Garman, C. Lidman in Science with Adaptive Optics
    Conference paper
  11. The Construction of X-ray Cluster Surveys and Their Spatial Analysis

    The construction of X-ray cluster surveys is described. As an example the selection processes applied to the REFLEX survey and first results of an...
    Hans Böhringer, Peter Schuecker in Mining the Sky
    Conference paper
  12. The 2dF QSO Redshift Survey - 10K@2K!

    With $\approx$ 10000 QSO redshifts, the 2dF QSO Redshift Survey...
    T. Shanks, B. J. Boyle, ... R. J. Smith in Mining the Sky
    Conference paper
  13. Clustering of X-Ray Selected AGN

    The analysis of the spatial clustering of the brightest X-ray selected AGN from the ROSAT All Sky Survey is presented. A weak correlation signal at a...
    Jörg Retzlaff in Mining the Sky
    Conference paper
  14. Strong Constraints on Cosmology from Galaxy Clusters

    In this work we show how galaxy clusters can be used to discriminate among different cosmological models. We have used available X-ray & optical...
    J. M. Diego, E. Martínez-González, ... J. Silk in Mining the Sky
    Conference paper
  15. Large-Scale Distribution and Spectral Properties of Galaxies in the Shapley Concentration

    We present the results of a redshift survey of both cluster and intercluster galaxies in the central part of the Shapley Concentration, the richest...
    Elena Zucca, Sandro Bardelli in Mining the Sky
    Conference paper
  16. FORCE: FORtran for Cosmic Errors

    We review the theory of cosmic errors we have recently developed for count-in-cells statistics. The corresponding FORCE package provides a simple and...
    Stéphane Colombi, István Szapudi in Mining the Sky
    Conference paper
  17. Relating Galaxy Cluster X-Ray Luminosities to Gravitational Masses in Wide-Angle Surveys

    The cosmologically most important cluster parameter is its gravitational mass. In order to constrain cosmological models of structure formation by...
    Thomas H. Reiprich, Hans Böhringer in Mining the Sky
    Conference paper
  18. Automated Classification Techniques for Large Spectroscopic Surveys

    With the onset of large, systematically selected spectroscopic surveys we have the opportunity to understand the distribution and evolution of...
    A. J. Connolly, F. Castander, ... C. W. Yip in Mining the Sky
    Conference paper
  19. Fast Algorithms and Efficient Statistics: N-Point Correlation Functions

    We present here a new algorithm for the fast computation of N-Point correlation functions in large astronomical data sets. The algorithm is based on...
    Andrew W. Moore, Andy J. Connolly, ... Larry Wasserman in Mining the Sky
    Conference paper
  20. Automatic Technique for Spectral Analysis

    The paper puts forward two automatic methods to deal with astronomical spectra. An automatic classification method of stellar spectra using the Self...
    Yongheng Zhao, Jianqiao Xue, ... Qibin Li in Mining the Sky
    Conference paper
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