Observations of CO isotopic emission and the far-infrared continuum of Centaurus A

Eckart, A.; Cameron, M.; Rothermel, H.; Wild, Wolfgang; Zinnecker, H.; Rydbeck, G.; Olberg, M.; Wiklind, T.

doi:10.1086/169357

Cited by 60 publications

(75 citation statements)

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“…Alton et al (1998) showed that the 200 µm measurements of the ISO satellite are more sensitive to colder dust components and noted that cold dust dominates at larger radii. Eckart et al (1990b) gave a lower limit of 5.3 × 10 5 M for the dust content in NGC 5128, which is comparable to our estimation for NGC 3718 (Eq. (10)), and found a significant drop of the dust temperature towards the edges of the disk.…”

Section: Fir Properties and The Dust Mass Of Ngc 3718supporting

confidence: 90%

“…5 Assuming a mass opacity κ ν ∝ ν. which is similar to NGC 5128 (Eckart et al 1990b) and other galaxies (e.g. Wiklind et al 1995;Leon et al 1998).…”

Section: Fir Properties and The Dust Mass Of Ngc 3718supporting

confidence: 85%

“…The data and models presented by Eckart et al (1990b), Quillen et al (1992Quillen et al ( , 1993, and van Gorkom et al (1990) give a strong support to their tilted-ring model for the molecular gas distribution of NGC 5128. They definitely show that the molecular gas distribution also agrees with the distribution of dust and atomic gas at larger radii, similar to NGC 3718.…”

Section: Comparison With Ngc 5128mentioning

confidence: 63%

“…2 (plate 9) in Eckart et al (1990b), the superposition is shown of integrated CO(1-0) line intensity map with the optical map of NGC 5128. This plate is equivalent to Fig.…”

Section: Comparison With Ngc 5128mentioning

confidence: 99%

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Warped molecular gas disk in NGC 3718

Pott

Hartwich

Eckart

et al. 2004

A&A

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Abstract. We present the first observations of the CO(1-0), CO(2-1) and HCN(1-0) rotational line emission of NGC 3718, conducted with the IRAM 30 m telescope. The results of the data analysis show a thin strongly warped molecular gas disk harboring the active galactic nucleus (AGN). The ratio of the total molecular gas mass (2 × 10 8 M ) to the dynamical mass, enclosed within the same region, is found to be rather low (∼0.17%), but still typical for spiral galaxies. The found molecular gas disk is well associated with the dust lane, visible at optical wavelengths. We traced the warped CO structure down to the central 20 . In its outer region the molecular disk is well correlated with the HI distribution. The CO data is used to improve the kinematic modelling in the inner part of the galaxy (10 ≤ r ≤ 120 ) employing a tilted ring-model. Furthermore the properties of NGC 3718 are compared with those of its northern sky "twin" NGC 5128 (Centaurus A).

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Section: Fir Properties and The Dust Mass Of Ngc 3718supporting

confidence: 90%

“…5 Assuming a mass opacity κ ν ∝ ν. which is similar to NGC 5128 (Eckart et al 1990b) and other galaxies (e.g. Wiklind et al 1995;Leon et al 1998).…”

Section: Fir Properties and The Dust Mass Of Ngc 3718supporting

confidence: 85%

Section: Comparison With Ngc 5128mentioning

confidence: 63%

“…2 (plate 9) in Eckart et al (1990b), the superposition is shown of integrated CO(1-0) line intensity map with the optical map of NGC 5128. This plate is equivalent to Fig.…”

Section: Comparison With Ngc 5128mentioning

confidence: 99%

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Warped molecular gas disk in NGC 3718

Pott

Hartwich

Eckart

et al. 2004

A&A

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“…The structure of the warped disk has been confirmed also by the study of the molecular gas. Eckart et al (1990) observed Cen A with SEST in the 12 CO(1-0, 2-1) and 13 CO lines with a resolution of about 45 arcsec and 22 arcsec, respectively. Quillen et al (1992) observed the 12 CO (2-1) line using the Caltech Submillimeter Observatory (CSO) in order to obtain a better velocity resolution.…”

Section: The Gas Along the Dust Lanementioning

confidence: 99%

The Many Faces of the Gas in Centaurus A (NGC 5128)

Morganti¹

2010

Publ. – Astron. Soc. Aust

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Centaurus A (NGC 5128) is ideal for investigating the characteristics and role of gas in an earlytype galaxy in the presence of a radio-loud active nucleus. The different phases of the gas -hot (X-ray), warm (ionized), and cold (H I and molecular) -are all detected in this object and can be studied at very high spatial resolution, due to its proximity. This richness makes Centaurus A truly unique. Spatially, these gas structures span from the pc to the tens of kpc scale. Thus, they allow us to trace very different phenomena, from the formation and evolution of the host galaxy, to the interplay between nuclear activity and interstellar medium and the feeding mechanism of the central black hole. A lot of work has been done to study and understand the characteristics of the gas in this complex object, and the present paper summarizes what has been achieved so far.

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References for 9.2

Huchtmeier¹

Interstellar Matter, Galaxy, Universe

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Observations of CO isotopic emission and the far-infrared continuum of Centaurus A

Cited by 60 publications

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Warped molecular gas disk in NGC 3718

Warped molecular gas disk in NGC 3718

The Many Faces of the Gas in Centaurus A (NGC 5128)

References for 9.2

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