NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-23 T02:05:44 PDT
Help | Comment | NED Home

For refcode 1990ApJ...355...44P:
Retrieve 137 NED objects in this reference.
Please click here for ADS abstract

NED Abstract

Copyright by American Astronomical Society. Reproduced by permission
1990ApJ...355...44P DARK MATTER IN SPIRAL GALAXIES MASSIMO PERSIC Osservatorio Astronomico di Trieste, Italy AND PAOLO SALUCCI Physics Department, Durham University, England Received 1989 June 23; accepted 1989 November 28 ABSTRACT The Tully-Fisher relation is used to probe dark matter (DM) in the optical regions of spiral galaxies. By establishing it at several different isophotal radii in an appropriate sample of 58 galaxies with good B-band photometry and rotation curves, we find that some of its attributes such as scatter, residuals, nonlinearity, and bias dramatically decrease moving from the disk edge inward. We show how this behavior challenges any mass model which assumes no DM or a luminosity-independent DM mass fraction interior to the optical radius of spiral galaxies. Subject headings: dark matter - galaxies: internal motions - galaxies: photometry - galaxies: structure
Retrieve 137 NED objects in this reference.
Please click here for ADS abstract

Back to NED Home