ar X iv : a st ro - p h / 98 12 04 3 v 1 2 D ec 1 99 8 What ’ s Emitting the Broad Emission Lines ?

ar X iv : a st ro - p h / 96 12 22 0 v 1 2 3 D ec 1 99 6 BLACK HOLES : FROM GALACTIC NUCLEI TO ELEMENTARY PARTICLES 1

We present a broad review on black holes. We analyse some of the fundamental concepts in black hole theory, the observational and theoretical status of stellar and galactic black holes, and their appearance

ar X iv : a st ro - p h / 98 12 12 1 v 1 7 D ec 1 99 8 Nuclear kpc - sized disks of spiral galaxies

A complex structure of nuclear disks of normal spiral galaxies is illustrated on the example of five galaxies, observed at 6m telescope. A problem of gravitational stability of nuclear disks is shortly discussed.

ar X iv : a st ro - p h / 97 12 15 2 v 1 1 1 D ec 1 99 7 Tunable filter imaging : structure forming around a quasar at z = 0 . 9

Preliminary results are described for emission-line imaging of the field of a quasar at z = 0.9 with a unique new instrument — the TAURUS Tunable Filter (TTF). At least fourteen [O ii]-emitting galaxy candidates are found within ±750km s of the quasar redshift with a significance of > 3σ. Another eight candidates (> 3σ) are also found with relative velocities ±750−1500km s from the quasar, indi...

ar X iv : a st ro - p h / 98 12 42 8 v 1 2 3 D ec 1 99 8 Polarized CO emission from molecular clouds

Received ; accepted – 2 – ABSTRACT Linearly polarized, non-masing, rotational lines have been detected for the first time in the interstellar medium. This effect occurs in molecular clouds with a magnetic field, and traces the field direction, offering an alternative technique to dust emission polarimetry. The line polarization mechanism is similar to that in masers, but with lower degrees of p...

ar X iv : a st ro - p h / 98 04 15 2 v 1 1 6 A pr 1 99 8 New aspects in the theory of magnetic winds from massive hot stars