Distances on Cosmological Scales with VLTI

Preprint English OPEN
Karovska, Margarita; Elvis, Martin; Marengo, Massimo;
  • Related identifiers: doi: 10.1023/A:1026104932701
  • Subject: Astrophysics
    arxiv: Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::High Energy Astrophysical Phenomena | Astrophysics::Instrumentation and Methods for Astrophysics

We present here a new method using interferometric measurements of quasars, that allows the determination of direct geometrical distances on cosmic scales. Quasar Broad Emission Line Regions sizes provide a "meter rule" with which to measure the metric of the Universe. ... View more
  • References (15)
    15 references, page 1 of 2

    Baldwin J.A., Ferland G., Korista K. & Verner D., 1995, ApJL, 455, L119

    Elvis M., 2000, ApJ, 545, 63

    Elvis M., 2002, Karovska M., ApJ Letters, in press.

    Freedman W., et al., 2001, ApJ, 553, 47

    Kaspi S., Smith P.S., Netzer H., Maoz D., Jannuzi B.T., & Giveon U., 2000, ApJ, 533, 631.

    Netzer H. & Peterson B.M., 1997, “Astronomical Time Series”, eds. D. Maoz, A. Sternberg, and E.M. Leibowitz, 1997 (Dordrecht: Kluwer), p. 85.

    Panagia N., Gilmozzi R., Macchetto F., Adorf H.-M., & Kirshner R.P., 2001, ApJ, 380, L23

    Perlmutter S., et al., 1999, ApJ, 517, 565

    Peterson B.M., 1993, PASP, 105, 247

    Peterson B.M., 1997, 'An Introduction to Active Galactic Nuclei' [Cambridge:CUP]

  • Metrics
Share - Bookmark