Skip to main content

and
  1. No Access

    Article

    Shocks in the Radio Photospheres of Long Period Variables Stars

    M. J. Reid, K. M. Menten in Astrophysics and Space Science (1997)

  2. No Access

    Article

    The Sub-Pc Scale Accretion Disk of Ngc 4258

    Water megamasers have been found to trace parsec/sub-parsec, circumnuclear accretion disks in several AGN (e.g., Circinus, NGC 1068 & NGC 4258). High-spatial (0.5 mas) and velocity resolution (0.2 km s−1) VLBA im...

    E. M. L. Humphreys, A. L. Argon, L. J. Greenhill in Astrophysics and Space Science (2005)