Some features of the galactic halo in NGC 891

Details Some features of the galactic halo in NGC 891 Some features of the galactic halo in NGC 891

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.135..389h&link_type=abstract

(IAU, Symposium on Observational Cosmology, 124th, Beijing, People's Republic of China, Aug. 25-29, 1986) Astrophysics and Space

Astronomy and Astrophysics

Astrophysics

3

Continuous Spectra, Cosmic Rays, Emission Spectra, Milky Way Galaxy, Radio Spectra, Astronomical Spectroscopy, Brightness Distribution, Halos

Scientific paper

Results concerning the galactic halo in NGC 891 are presented based on high-resolution WSRT observations (21 and 6 cm) and Palomar (U prime, J, F) data. Both data sets have been smoothed to 20 x 20 arcsec Gaussian resolution. The z-distribution of the radio continuum emission is accurately decomposed into a thin disk and a thick disk. The almost constant spectral index found in Z argues against the simple diffusion and convection model. The explosion model of You et al. (1986) is shown to be consistent with many of the observed features. The galaxy is found to be north-south asymmetric, the northern side being bluer and brighter in surface photometry.

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