منابع مشابه
Warm and Cold Molecular Gas in Galaxies
New and archival interferometric 12CO(1→0) datasets from six nearby galaxies are combined with H2 2.122 μm and Hα maps to explore in detail the interstellar medium in different star-forming galaxies. We investigate the relation between warm (H2 at T ∼ 2000 K) and cold (CO at T ∼ 50 K) molecular gas from 100 pc to 2 kpc scales. On these scales, the ratio of warm-to-cold molecular hydrogen correl...
متن کاملWarm and Cold Molecular Gas in Luminous Infrared Galaxies
We present the properties of the warm and cold molecular gas in a sample of local Luminous Infrared Galaxies in the Great Observatories All-sky LIRG Survey (GOALS). The rotational transitions of H2 observed in the Mid-Infrared Spectra from the Spitzer Survey trace gas at temperatures about 100K, while the 12 CO (1-0) maps acquired with the Combined Array for Millimeter Astronomy identify the mo...
متن کاملWarm Molecular Gas in Luminous Infrared Galaxies
We present our initial results on the CO rotational spectral line energy distribution (SLED) of the J to J−1 transitions from J = 4 up to 13 from Herschel SPIRE spectroscopic observations of 65 luminous infrared galaxies (LIRGs) in the Great Observatories All-Sky LIRG Survey (GOALS). The observed SLEDs change on average from one peaking at J ≤ 4 to a broad distribution peaking around J ∼ 6−7 as...
متن کاملEmission in Spiral Galaxies: Warm Molecular Gas in Action?
Using the APEX sub-millimeter telescope we have investigated the CO(3−2) emission in five face-on nearby barred spiral galaxies, where three of them are high surface brightness galaxies (HSBs) lying at the Freeman limit, and two are low surface brightness galaxies (LSBs). We have positive detections for two of three HSB spirals and non-detections for the LSBs. For the galaxies with positive det...
متن کاملCold molecular gas in cooling flow clusters of galaxies
The results of a CO line survey in central cluster galaxies with cooling flows are presented. Cold molecular gas is detected with the IRAM 30m telescope, through CO(1-0) and CO(2-1) emission lines in 6-10 among 32 galaxies. The corresponding gas masses are between 3.10 and 4.10 M . These results are in agreement with recent CO detections by Edge (2001). A strong correlation between the CO emiss...
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ژورنال
عنوان ژورنال: The Astronomical Journal
سال: 2005
ISSN: 0004-6256,1538-3881
DOI: 10.1086/429134