Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-04-16
Astrophys.J.663:895-907,2007
Astronomy and Astrophysics
Astrophysics
20 pages, 8 figures, accepted to ApJ
Scientific paper
10.1086/518817
We examine the infrared properties of five low surface brightness galaxies (LSBGs) and compare them with related but higher surface brightness galaxies, using Spitzer Space Telescope images and spectra. All the LSBGs are detected in the 3.6 and 4.5um bands, representing the stellar population. All but one are detected at 5.8 and 8.0um, revealing emission from hot dust and aromatic molecules, though many are faint or point-like at these wavelengths. Detections of LSBGs at the far-infrared wavelengths, 24, 70, and 160um, are varied in morphology and brightness, with only two detections at 160um, resulting in highly varied spectral energy distributions. Consistent with previous expectations for these galaxies, we find that detectable dust components exist for only some LSBGs, with the strength of dust emission dependent on the existence of bright star forming regions. However, the far-infrared emission may be relatively weak compared with normal star-forming galaxies.
Blaylock Myra
Engelbracht Chad W.
Hinz Joannah L.
Misselt Karl
Pickering Timothy E.
No associations
LandOfFree
Spitzer Observations of Low Luminosity Isolated and Low Surface Brightness Galaxies does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spitzer Observations of Low Luminosity Isolated and Low Surface Brightness Galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spitzer Observations of Low Luminosity Isolated and Low Surface Brightness Galaxies will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-44870