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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/31659

Title: The AMIGA sample of isolated galaxies IX. Molecular gas properties [complementary material]
Authors: Lisenfeld, Ute
Espada, D.
Verdes-Montenegro, L.
Kuno, L.
Leon, S.
Sabater, J.
Sato, N.
Sulentic, J.
Verley, S.
Yun, M. S.
Issue Date: 2011
Abstract: We characterize the molecular gas content (ISM cold phase) using CO emission of a redshift-limited subsample of isolated galaxies from the AMIGA (Analysis of the interstellar Medium of Isolated GAlaxies) project in order to provide a comparison sample for studies of galaxies in different environments. We present the ^12^CO(1-0) data for 273 AMIGA galaxies, most of them (n=186) from our own observations with the IRAM 30m and the FCRAO 14m telescopes and the rest from the literature. We constructed a redshift-limited sample containing galaxies with 1500km/s<v<5000km/s and excluded objects with morphological evidence of possible interaction. This sample (n=173) is the basis for our statistical analysis. It contains galaxies with molecular gas masses, MH2, in the range of ~10^8^-10^10^M_{sun}_. It is dominated, both in absolute number and in detection rate, by spiral galaxies of type T=3-5 (Sb-Sc). Most galaxies were observed with a single pointing towards their centers. Therefore, we performed an extrapolation to the total molecular gas mass expected in the entire disk based on the assumption of an exponential distribution. We then studied the relationships between MH2 and other galactic properties.
Description: File "table1.dat" contains the CIG number, and general data for the total CO sample.
File "tale4.dat" contains the CIG number, and the velocity integrated 12CO(1-0) intensities, line width and central velocities for galaxies newly observed.
File "tale5.dat" contains the CIG number and the molecular gas mass for the total CO sample.
Keywords: Galaxy catalogs
Galaxies
Radio
Carbon monoxide
Evolution
Interactions
ISM - radio lines
Surveys
Dataset
URI: http://hdl.handle.net/10481/31659
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Appears in Collections:Información complementaria de las Investigaciones (Datos en Bruto)

Files in This Item:

File Description SizeFormat
ReadMe.txtReadMe9.67 kBTextView/Open
table1.datTable112.8 kBOpenDocument TextView/Open
table4.datTable420.47 kBOpenDocument TextView/Open
table5.datTable57.2 kBOpenDocument TextView/Open
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