High spatial resolution mid-infrared observations of five Seyfert galaxies

B. T. Soifer, G. Neugebauer, K. Matthews, E. Egami, L. Armus

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


High spatial resolution images at 12.5 μm of the nuclei of five nearby Seyfert galaxies - I Zwicky 1, NGC 1320, NGC 2992, M81, and NGC 7479 - have been obtained with the 10 m Keck Telescope. The angular size limits indicate that under typical conditions the Keck Telescope shows an unresolved nucleus for these active galactic nuclei. In all cases, the lower limit to the infrared surface brightness is above 3 × 10 12 L kpc -2; this argues that nuclear starbursts do not contribute significantly to the infrared luminosities in these nuclei.

Original languageEnglish (US)
Pages (from-to)493-496
Number of pages4
JournalPublications of the Astronomical Society of the Pacific
Issue number820
StatePublished - Jun 2004

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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