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          Institute: MPI für Kernphysik     Collection: Infrared Astrophysics     Display Documents



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ID: 27829.0, MPI für Kernphysik / Infrared Astrophysics
Far-infrared photometry of a statistical sample of late-type Virgo cluster galaxies
Authors:Tuffs, R. J.; Popescu, C. C.; Pierini, D.; Völk, H. J.; Hippelein, H.; Leech, K.; Metcalfe, L.; Heinrichsen, I.; Xu, C.
Language:English
Date of Publication (YYYY-MM-DD):2002-03
Title of Journal:Astrophysical Journal Supplement Series
Journal Abbrev.:Astrophys. J. Suppl. Ser.
Volume:139
Issue / Number:1
Start Page:37
End Page:79
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We present deep diffraction-limited far-infrared ( FIR) strip maps of a sample of 63 galaxies later than S0 and brighter than B-T = 16.8, selected from the Virgo Cluster Catalogue of Binggeli, Sandage, & Tammann. The ISOPHOT instrument on board the Infrared Space Observatory was used to achieve sensitivities typically an order of magnitude deeper than IRAS in the 60 and 100 mum bands and to reach the confusion limit at 170 mum. The averaged 3 sigma upper limits for integrated flux densities of point sources at 60, 100, and 170 mum are 43, 33, and 58 mJy, respectively. A total of 63.5% are detected at all three wavelengths. The highest detection rate (85.7%) is in the 170 mum band. In many cases the galaxies are resolved, allowing the scale length of the infrared disks to be derived from the oversampled brightness profiles in addition to the spatially integrated emission. The data presented should provide the basis for a variety of statistical investigations of the FIR spectral energy distributions of gas-rich galaxies in the local universe spanning a broad range in star formation activity and morphological types, including dwarf systems and galaxies with rather quiescent star formation activity.
Free Keywords:catalogs; galaxies : clusters : individual (Virgo); galaxies : photometry; galaxies : statistics; infrared : galaxies; surveys
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group H. J. Völk/Infrared Astrophysics (R. Tuffs, H.J. Völk)
External Affiliations:ESA, Dept Space Sci, Div Astrophys, ISO Data Ctr, Madrid 28080, Spain; CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA
Identifiers:URL:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bi... [Preprint version of this article available at NASA ADS]
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