MIDINFRARED SPECTROSCOPY OF OBSCURED IRAS GALAXIES

Authors
MOURI H TANIGUCHI Y SATO Y KAWARA K
Citation
H. Mouri et al., MIDINFRARED SPECTROSCOPY OF OBSCURED IRAS GALAXIES, Astronomy and astrophysics (Berlin), 334(2), 1998, pp. 482-488
Citations number
42
Categorie Soggetti
Astronomy & Astrophysics
Journal title
Astronomy and astrophysics (Berlin) → ACNP
ISSN journal
00046361
Volume
334
Issue
2
Year of publication
1998
Pages
482 - 488
Database
ISI
SICI code
0004-6361(1998)334:2<482:MSOOIG>2.0.ZU;2-9
Abstract
Spectra from 6 to 12 mu m are presented for the infrared galaxies NGC 1266, Arp 148, and IRAS 1713+53. Though they are not markedly luminous (less than or equal to 10(12)L.), their IRAS colors are close to the colors of ultraluminous infrared galaxies, and thus indicative of heav y obscuration. The 6-12 mu m spectra are dominated by emission feature s of polycyclic aromatic hydrocarbon molecules at 6.2, 7.7, and 8.6 mu m. This demonstrates the existence of dust-enshrouded starbursts in t hose galaxies.