Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.194...63t&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 194, Jan. 1981, p. 63-75.
Astronomy and Astrophysics
Astronomy
78
Galactic Evolution, Galactic Structure, Hubble Diagram, Mass Distribution, Spiral Galaxies, Stellar Mass, Astronomical Models, Astronomical Photometry, Early Stars, Interstellar Matter, Luminous Intensity, Mass Ratios
Scientific paper
The slow increase of M/L with color for spiral galaxies shows that the mass ratio of dark material to ordinary stars is greater in blue galaxies than in red ones; the masses referred to are those within the Holmberg radii of the galaxies. Two possible interpretations of this result are that bluer galaxies form stars with an initial mass function weighted toward low stellar masses, or that bluer galaxies have relatively more massive dark haloes. The latter hypothesis is supported by the much faster increase of M/L with radius in late- than in early-type galaxies, and by the need for a dark halo to stabilize the discs of late-type spirals. The relative dominance of dark haloes in late-type galaxies is explained tentatively, in the context of current models for galaxy formation.
No associations
LandOfFree
Correlation of the dark mass in galaxies with Hubble type does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Correlation of the dark mass in galaxies with Hubble type, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Correlation of the dark mass in galaxies with Hubble type will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1053857