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within M. J. Reid Remove this filter Astrophysics and Astroparticles Remove this filter Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) Remove this filter

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  1. 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)

  2. 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)

  3. No Access

    Chapter and Conference Paper

    Proper Motions of H2O Masers in W49(N) and the Distance to the Galactic Center

    A distance of R 0 = 7.6 ±1.6 kpc for the galactic center is given by comparison of expansion parallax of a cluster of H2O masers in W49(N) with the kinematic distance of that source. Data from add...

    C. R. Gwinn, J. M. Moran, M. J. Reid, M. H. Schneps, R. Genzel… in The Center of the Galaxy (1989)