Computer Science
Scientific paper
Jan 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001iaus..205..168o&link_type=abstract
Galaxies and their Constituents at the Highest Angular Resolutions, Proceedings of IAU Symposium #205, held 15-18 August 2000 at
Computer Science
1
Scientific paper
Fine feature of dust distribution in the central region of NGC 4151 has been studied on a V-I color image produced from 0.5" resolution images obtained by the Subaru Telescope. The two dust lanes lying along a circum-nuclear ellipse of 40"x 20" have been recognized to consist of number of fine filaments and knots. In the inner region, there has been found dust gas distributing dominantly in a bipolar cone region extending to 5" from the nucleus. This cone is exactly complementary to the well known bipolar ionized gaseous region. A dense knot is seen at 2" SE from the nuclus, but no torus-like feature is recognized. The masses of neutral gas in the outer lanes and in the inner region are estimated as 1 and 0.1 million solar masses in order of magnitude, respectively. These observaitonal results are compared with results of numerical simulations of gas dynamics.
Hattori Takeshi
Iye Masanori
Komiyama Yutaka
Kosugi George
Miyazaki Satoshi
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