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  1. No Access

    Chapter and Conference Paper

    Altair Observations of 3C273

    H and J band observations of 3C273 from the commissioning run of Altair are presented. The data are compared with HST data, and some new morphological results on the host galaxy are discussed.

    J.B. Hutchings, J. Stoesz, J.-P. Véran, F. Rigaut in Science with Adaptive Optics (2005)

  2. No Access

    Chapter and Conference Paper

    The CNOC Cluster Survey

    The CNOC cluster survey was designed to measure the cluster mass to light ratio and the luminosity density of the Universe in the same range of redshifts for the purpose of estimating the parameter Ω. We find tha...

    R. G. Carlberg, H. K. C. Yee, E. Ellingson, S. Morris… in The Early Universe with the VLT (1997)

  3. No Access

    Chapter and Conference Paper

    Resolution of High Redshift QSO Hosts

    At z>2 a surprising number of QSOs have been resolved in visible light. These results imply that these hosts have extremely high luminosity and blue populations. Improved and quantitative data require a combin...

    J. B. Hutchings in Quasar Hosts (1997)

  4. No Access

    Chapter and Conference Paper

    JHK Imaging of QSO Hosts and Companions

    Deep J,H,K imaging is presented of 90 arcmin fields around QSOs at red-shifts in the range 0.06 to 2.4, including images, luminosity profiles, and NIR 2-colour diagrams. The low z hosts are all resolved, and N...

    J. B. Hutchings in Quasar Hosts (1997)

  5. No Access

    Chapter and Conference Paper

    Non-LTE model atmosphere analysis of the supersoft X-ray source RX J0122.9-7521

    The supersoft X-ray source RX J0122.9-7521 was discovered in the ROSAT all-sky survey and suspected to be a member of the Small Magellanic Cloud (Kahabka et al. 1994). More recently the source has been optical...

    K. Werner, B. Wolff, M. W. Pakull, A. P. Cowley, P. C. Schmidtke… in Supersoft X-Ray Sources (1996)

  6. No Access

    Chapter

    Hubble Space Telescope Spectroscopy of Massive Hot Stars in the Magellanic Clouds and M31

    Using the Hubble Space Telescope (HST) and the Faint Object Spectrograph (FOS) high signal to noise spectrograms were obtained for 15 OB stars in the Magellanic Clouds***, three of which are of spectral type O...

    S. M. Haser, D. J. Lennon, R.-P. Kudritzki, J. Puls… in Evolution of Massive Stars (1994)

  7. No Access

    Chapter

    Astronomy from Space

    The period covered by this report has seen very significant progress in the different fields of space. astronomy. In the infrared and submillimeter region the cosmic Background Explorer has continued to domina...

    Joachim E. Trümper, Giovanni G. Fazio, J. B. Hutchings… in Reports on Astronomy (1994)