Kinematics of an Anaemic Cluster Galaxy
Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecu...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Vollmer, B. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2001 |
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| Schlagwörter: |
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| Anmerkung: |
© Kluwer Academic Publishers 2001 |
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| Übergeordnetes Werk: |
Enthalten in: Astrophysics and space science - Kluwer Academic Publishers, 1968, 276(2001), 2-4 vom: März, Seite 459-465 |
|---|---|
| Übergeordnetes Werk: |
volume:276 ; year:2001 ; number:2-4 ; month:03 ; pages:459-465 |
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|---|
| DOI / URN: |
10.1023/A:1017515805432 |
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OLC2066227625 |
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| 520 | |a Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. | ||
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| 700 | 1 | |a Cayatte, V. |4 aut | |
| 700 | 1 | |a Balkowski, C. |4 aut | |
| 700 | 1 | |a Boselli, A. |4 aut | |
| 700 | 1 | |a Duschl, W.J. |4 aut | |
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10.1023/A:1017515805432 doi (DE-627)OLC2066227625 (DE-He213)A:1017515805432-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Vollmer, B. verfasserin aut Kinematics of an Anaemic Cluster Galaxy 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 2001 Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. Rotation Curve Rotation Ring Data Cube Virgo Cluster Molecular Fraction Cayatte, V. aut Balkowski, C. aut Boselli, A. aut Duschl, W.J. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 276(2001), 2-4 vom: März, Seite 459-465 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:276 year:2001 number:2-4 month:03 pages:459-465 https://doi.org/10.1023/A:1017515805432 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 AR 276 2001 2-4 03 459-465 |
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10.1023/A:1017515805432 doi (DE-627)OLC2066227625 (DE-He213)A:1017515805432-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Vollmer, B. verfasserin aut Kinematics of an Anaemic Cluster Galaxy 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 2001 Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. Rotation Curve Rotation Ring Data Cube Virgo Cluster Molecular Fraction Cayatte, V. aut Balkowski, C. aut Boselli, A. aut Duschl, W.J. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 276(2001), 2-4 vom: März, Seite 459-465 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:276 year:2001 number:2-4 month:03 pages:459-465 https://doi.org/10.1023/A:1017515805432 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 AR 276 2001 2-4 03 459-465 |
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10.1023/A:1017515805432 doi (DE-627)OLC2066227625 (DE-He213)A:1017515805432-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Vollmer, B. verfasserin aut Kinematics of an Anaemic Cluster Galaxy 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 2001 Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. Rotation Curve Rotation Ring Data Cube Virgo Cluster Molecular Fraction Cayatte, V. aut Balkowski, C. aut Boselli, A. aut Duschl, W.J. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 276(2001), 2-4 vom: März, Seite 459-465 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:276 year:2001 number:2-4 month:03 pages:459-465 https://doi.org/10.1023/A:1017515805432 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 AR 276 2001 2-4 03 459-465 |
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10.1023/A:1017515805432 doi (DE-627)OLC2066227625 (DE-He213)A:1017515805432-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Vollmer, B. verfasserin aut Kinematics of an Anaemic Cluster Galaxy 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 2001 Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. Rotation Curve Rotation Ring Data Cube Virgo Cluster Molecular Fraction Cayatte, V. aut Balkowski, C. aut Boselli, A. aut Duschl, W.J. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 276(2001), 2-4 vom: März, Seite 459-465 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:276 year:2001 number:2-4 month:03 pages:459-465 https://doi.org/10.1023/A:1017515805432 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 AR 276 2001 2-4 03 459-465 |
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10.1023/A:1017515805432 doi (DE-627)OLC2066227625 (DE-He213)A:1017515805432-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Vollmer, B. verfasserin aut Kinematics of an Anaemic Cluster Galaxy 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 2001 Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. Rotation Curve Rotation Ring Data Cube Virgo Cluster Molecular Fraction Cayatte, V. aut Balkowski, C. aut Boselli, A. aut Duschl, W.J. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 276(2001), 2-4 vom: März, Seite 459-465 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:276 year:2001 number:2-4 month:03 pages:459-465 https://doi.org/10.1023/A:1017515805432 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 AR 276 2001 2-4 03 459-465 |
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kinematics of an anaemic cluster galaxy |
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Kinematics of an Anaemic Cluster Galaxy |
| abstract |
Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. © Kluwer Academic Publishers 2001 |
| abstractGer |
Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. © Kluwer Academic Publishers 2001 |
| abstract_unstemmed |
Abstract We present new HI and CO data including velocity information of NGC 4548, an anaemic galaxy in the Virgo Cluster. The distribution of the atomic gas shows a ring-like structure. The HI rotation curve is deduced and can be extrapolated inwards with the help of the CO data. The derived molecular fraction decreases continuously up to a radius of about 40″ showing a rather sharp transition between the molecular and the atomic disc. A three-dimensional visualization of the data cube permits us to detect a perturbation of the velocity field in the northern part of the galaxy. In a first approach we reconstruct the possible sites of HI emission with the help of a simple kinematical model in three dimensions. The reconstructed model shows a ridge which is believed to be due to ram-pressure stripping. In addition, we show first results of a dynamical model to simulate the interaction between the intra-cluster medium and the galaxy. © Kluwer Academic Publishers 2001 |
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