Observations of the 2.2-micron emission from the halo of NGC 4244 at large galactocentric distances

Details Observations of the 2.2-micron emission from the halo of NGC 4244 at large galactocentric distances Observations of the 2.2-micron emission from the halo of NGC 4244 at large galactocentric distances

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..695b&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 678, Aug. 1992, p. 695-699. Research supported

Astronomy and Astrophysics

Astronomy

8

Emission, Galactic Structure, Halos, Infrared Radiation, Spiral Galaxies, Brightness Distribution, Dark Matter, Mass To Light Ratios

Scientific paper

Observations of 2.2-micron emission from the halo of the edge-on spiral galaxy NGC 4244 are reported. These observations were made at larger radii from the center of the galaxy and with a smaller beam than reported in previous studies. The emission detected is consistent with the de Vaucouleurs r exp 1/4 law, and the mass-to-light ratio given by the present measurements at 2.2 microns is in good agreement with previous results. The present data reveal no evidence for a massive halo of cool objects.

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