2 papers
astro-ph1998
New Infrared Seyfert Galaxies
Q. -S. Gu, J. -H. Huang, H. -J. Su +1
We present optical spectra for new infrared Seyfert galaxies obtained with the 2.16m telescope at Beijing Astronomical Observatory (BAO). After wavelength and flux calibration, the…
astro-ph1996
Gasdynamics in NGC 4736
Q. -S. Gu, X. -H. Liao, J. -H. Huang +2
New test-particle simulations have been performed to study the secular evolution of the gaseous distribution in NGC 4736. We find that the distribution of gas clouds can be underst…