The 3.28 micron emission feature in NGC 253

Details The 3.28 micron emission feature in NGC 253 The 3.28 micron emission feature in NGC 253

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...434..546k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 434, no. 2, p. 546-551

Astronomy and Astrophysics

Astronomy

25

Emission Spectra, Infrared Astronomy, Polycyclic Aromatic Hydrocarbons, Spiral Galaxies, Star Formation, Supernovae, Active Galactic Nuclei, Infrared Astronomy Satellite, Infrared Imagery, Luminosity

Scientific paper

The 3.28 micrometer polycyclic aromatic hydrocarbon (PAH) emission feature in the galaxy NGC 253 comes from an extended star formation region approximately 100 pc across. The brightest mid-infrared source in the galaxy, which is displaced approximately 45 pc from the probable nucleus, does not show the PAH feature; it may be a dust-enshrouded recent supernova.

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