TitleInfrared photometry of the halo of M 87.
AuthorsBoughn, S. P.; Saulson, P. R.
Bibcode1983ApJ...265L..55B
AbstractK band (2.2 micron) photometry is reported for selected positions near the east-west axis of the giant elliptical galaxy M87. The data are consistent with B band profiles. The luminosity profile is compared with the density profile derived from X-ray measurements. If a correction is made for the light of the known stellar component, the remaining 'dark matter' has a mass-to-light ratio of M/L greater than 100 (2 sigm ...
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