Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44..341k&link_type=abstract
PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 4, p. 341-351.
Astronomy and Astrophysics
Astronomy
19
Carbon Monoxide, Interferometry, Seyfert Galaxies, H Ii Regions, Interstellar Matter, Molecular Clouds, Star Formation
Scientific paper
Observations of (C-12)O (J = 1-0) emission in the central disk of NGC 1068 have been made using the Nobeyama Millimeter Array. The synthesized beam is 5.2 arcsec x 4.2 arcsec (FWHM), corresponding to 400 x 350 pc at a distance of 18.1 Mpc. The results reveal four discrete CO molecular complexes: (1) complex A located in a dusty area bordering the north and northwest boundaries of the inner arm region, (2) complex B with an L-shaped morphology in the east, (3) complex C located in a southwest dust bay held between the central inner region and the SW H II region, and (4) complex D lying in the west dust lane. Consistent with our previous single-dish observations using the NRO 45-m telescope, most of these CO complexes are associated with dust features. An overall spatial correlation has been found between complexes A and C and the north and southwest IR complexes, respectively. However, the present map is different from the recent interferometer map of Planesas et al. (1991).
Fukui Yasuo
Kaneko Noboru
Morita Kazuhiko
Morita Koh-Ichiro
Nakai Naomasa
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