Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution
Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies'...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bershady, Matthew [verfasserIn] |
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| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1999 |
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| Schlagwörter: |
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| Anmerkung: |
© Kluwer Academic Publishers 1999 |
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| Übergeordnetes Werk: |
Enthalten in: Astrophysics and space science - Kluwer Academic Publishers, 1968, 269-270(1999) vom: Dez., Seite 183-190 |
|---|---|
| Übergeordnetes Werk: |
volume:269-270 ; year:1999 ; month:12 ; pages:183-190 |
| Links: |
|---|
| DOI / URN: |
10.1023/A:1017058410690 |
|---|
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OLC2066222615 |
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| 520 | |a Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. | ||
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| 650 | 4 | |a Measuring Evolution | |
| 650 | 4 | |a Image Concentration | |
| 650 | 4 | |a Galaxy Evolution | |
| 650 | 4 | |a Photometric Property | |
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10.1023/A:1017058410690 doi (DE-627)OLC2066222615 (DE-He213)A:1017058410690-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Bershady, Matthew verfasserin aut Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. Stellar Population Measuring Evolution Image Concentration Galaxy Evolution Photometric Property Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 269-270(1999) vom: Dez., Seite 183-190 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:269-270 year:1999 month:12 pages:183-190 https://doi.org/10.1023/A:1017058410690 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 GBV_ILN_4046 AR 269-270 1999 12 183-190 |
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10.1023/A:1017058410690 doi (DE-627)OLC2066222615 (DE-He213)A:1017058410690-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Bershady, Matthew verfasserin aut Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. Stellar Population Measuring Evolution Image Concentration Galaxy Evolution Photometric Property Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 269-270(1999) vom: Dez., Seite 183-190 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:269-270 year:1999 month:12 pages:183-190 https://doi.org/10.1023/A:1017058410690 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 GBV_ILN_4046 AR 269-270 1999 12 183-190 |
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10.1023/A:1017058410690 doi (DE-627)OLC2066222615 (DE-He213)A:1017058410690-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Bershady, Matthew verfasserin aut Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. Stellar Population Measuring Evolution Image Concentration Galaxy Evolution Photometric Property Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 269-270(1999) vom: Dez., Seite 183-190 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:269-270 year:1999 month:12 pages:183-190 https://doi.org/10.1023/A:1017058410690 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 GBV_ILN_4046 AR 269-270 1999 12 183-190 |
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10.1023/A:1017058410690 doi (DE-627)OLC2066222615 (DE-He213)A:1017058410690-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Bershady, Matthew verfasserin aut Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. Stellar Population Measuring Evolution Image Concentration Galaxy Evolution Photometric Property Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 269-270(1999) vom: Dez., Seite 183-190 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:269-270 year:1999 month:12 pages:183-190 https://doi.org/10.1023/A:1017058410690 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 GBV_ILN_4046 AR 269-270 1999 12 183-190 |
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10.1023/A:1017058410690 doi (DE-627)OLC2066222615 (DE-He213)A:1017058410690-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Bershady, Matthew verfasserin aut Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. Stellar Population Measuring Evolution Image Concentration Galaxy Evolution Photometric Property Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 269-270(1999) vom: Dez., Seite 183-190 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:269-270 year:1999 month:12 pages:183-190 https://doi.org/10.1023/A:1017058410690 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 GBV_ILN_4046 AR 269-270 1999 12 183-190 |
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Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution |
| abstract |
Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. © Kluwer Academic Publishers 1999 |
| abstractGer |
Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. © Kluwer Academic Publishers 1999 |
| abstract_unstemmed |
Abstract I outline a quantitative method for characterizing galaxies both by photometric `form' and indices of spectral-type, applicable to both nearby and distant galaxies. Such a characterization provides insight on galaxy evolution because there are physical connections between galaxies' stellar populations and their light distribution. `Normal' galaxies' form-parameters (surface-brightness, image concentration and asymmetry) correlate well with spectral-index (color), which in turn correlates only weakly with scale (size or luminosity). Deviations from these normal relations also offer clues to the physical modes of galaxy formation and evolution. As an example, I contrast a puzzling, distant population of compact, but luminous, blue, star-forming galaxies to nearby samples. These distant sources appear to be associated with the bulk of the luminosity increase since z > 1. They have structural properties comparable to low-redshift populations, and photometric properties within the norm for nearby, actively star-forming galaxies. When combined, however, their photometric and structural properties appear to be highly unusual. © Kluwer Academic Publishers 1999 |
| collection_details |
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 GBV_ILN_4046 |
| title_short |
Galaxy Form and Spectral Type: a Physical Framework for Measuring Evolution |
| url |
https://doi.org/10.1023/A:1017058410690 |
| remote_bool |
false |
| ppnlink |
129062723 |
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| isOA_txt |
false |
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| doi_str |
10.1023/A:1017058410690 |
| up_date |
2024-07-04T04:00:54.164Z |
| _version_ |
1803619563381719040 |
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| score |
7.401353 |