H I Velocity bridges: signature of HVC interaction with the Galactic halo

Details H I Velocity bridges: signature of HVC interaction with the Galactic halo H I Velocity bridges: signature of HVC interaction with the Galactic halo

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...308l..37p&link_type=abstract

Astronomy and Astrophysics, v.308, p.L37-L40

Astronomy and Astrophysics

Astrophysics

21

Clouds: High-Velocity, Interstellar Medium: Kinematics And Dynamics Of, Radio Lines: 21 Cm, Spectroscopy

Scientific paper

We present observational evidence for the existence of "velocity bridges" between high-velocity clouds (HVCs) and neutral gas at lower velocities towards HVC complex C. The velocity bridges (VBs henceforward) show up as faint 21-cm line emission filaments (T_B_~0.2K) connecting the two velocity regimes over velocity gaps of 20 to 100km/s. We interpret VBs as indicators of energetic interactions of HVCs with gas in the galactic halo or the disk-halo interface.

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