Chromospherically active binaries, kinematics and age connections
Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinem...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Eker, Zeki [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1990 |
|---|
| Schlagwörter: |
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| Anmerkung: |
© Kluwer Academic Publishers 1990 |
|---|
| Übergeordnetes Werk: |
Enthalten in: Astrophysics and space science - Kluwer Academic Publishers, 1968, 170(1990), 1-2 vom: Aug., Seite 161-171 |
|---|---|
| Übergeordnetes Werk: |
volume:170 ; year:1990 ; number:1-2 ; month:08 ; pages:161-171 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF00652663 |
|---|
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OLC2066181285 |
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| 520 | |a Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. | ||
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10.1007/BF00652663 doi (DE-627)OLC2066181285 (DE-He213)BF00652663-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Eker, Zeki verfasserin aut Chromospherically active binaries, kinematics and age connections 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1990 Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. Velocity Component Space Velocity Velocity Average Spectral Type Main Sequence Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 170(1990), 1-2 vom: Aug., Seite 161-171 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:170 year:1990 number:1-2 month:08 pages:161-171 https://doi.org/10.1007/BF00652663 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_22 GBV_ILN_24 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 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4306 GBV_ILN_4700 AR 170 1990 1-2 08 161-171 |
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10.1007/BF00652663 doi (DE-627)OLC2066181285 (DE-He213)BF00652663-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Eker, Zeki verfasserin aut Chromospherically active binaries, kinematics and age connections 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1990 Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. Velocity Component Space Velocity Velocity Average Spectral Type Main Sequence Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 170(1990), 1-2 vom: Aug., Seite 161-171 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:170 year:1990 number:1-2 month:08 pages:161-171 https://doi.org/10.1007/BF00652663 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_22 GBV_ILN_24 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 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4306 GBV_ILN_4700 AR 170 1990 1-2 08 161-171 |
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10.1007/BF00652663 doi (DE-627)OLC2066181285 (DE-He213)BF00652663-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Eker, Zeki verfasserin aut Chromospherically active binaries, kinematics and age connections 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1990 Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. Velocity Component Space Velocity Velocity Average Spectral Type Main Sequence Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 170(1990), 1-2 vom: Aug., Seite 161-171 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:170 year:1990 number:1-2 month:08 pages:161-171 https://doi.org/10.1007/BF00652663 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_22 GBV_ILN_24 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 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4306 GBV_ILN_4700 AR 170 1990 1-2 08 161-171 |
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10.1007/BF00652663 doi (DE-627)OLC2066181285 (DE-He213)BF00652663-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Eker, Zeki verfasserin aut Chromospherically active binaries, kinematics and age connections 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1990 Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. Velocity Component Space Velocity Velocity Average Spectral Type Main Sequence Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 170(1990), 1-2 vom: Aug., Seite 161-171 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:170 year:1990 number:1-2 month:08 pages:161-171 https://doi.org/10.1007/BF00652663 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_22 GBV_ILN_24 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 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4306 GBV_ILN_4700 AR 170 1990 1-2 08 161-171 |
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10.1007/BF00652663 doi (DE-627)OLC2066181285 (DE-He213)BF00652663-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Eker, Zeki verfasserin aut Chromospherically active binaries, kinematics and age connections 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1990 Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. Velocity Component Space Velocity Velocity Average Spectral Type Main Sequence Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 170(1990), 1-2 vom: Aug., Seite 161-171 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:170 year:1990 number:1-2 month:08 pages:161-171 https://doi.org/10.1007/BF00652663 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_22 GBV_ILN_24 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 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4306 GBV_ILN_4700 AR 170 1990 1-2 08 161-171 |
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Chromospherically active binaries, kinematics and age connections |
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Chromospherically active binaries, kinematics and age connections |
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Eker, Zeki |
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Astrophysics and space science |
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1990 |
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Eker, Zeki |
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10.1007/BF00652663 |
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520 530 620 |
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chromospherically active binaries, kinematics and age connections |
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Chromospherically active binaries, kinematics and age connections |
| abstract |
Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. © Kluwer Academic Publishers 1990 |
| abstractGer |
Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. © Kluwer Academic Publishers 1990 |
| abstract_unstemmed |
Abstract Space velocities of 146 chromospherically active binary stars have been calculated. Containing F to M spectral types on the Main Sequence together with G and K giants, this very heterogeneous sample has been divided into subsamples in order to segregate stars so that they have similar kinematics and ages. Dispersions of space velocity components and other kinematical quantities (velocity averages and |Z| distributions) of these groups imply their ages as: Both old and young Main-Sequence systems (<10×$ 10^{9} $ yr and ∼1×$ 10^{9} $ yr, respectively) exist in the sample. Systems containing subgiants (single- and double-lined) or double-lined giants as their companions have ages about ∼2–3×$ 10^{9} $ yr. Single-lined giants appear to be older than intermediate disk population stars (>5×$ 10^{9} $ yr). The possible existence of white dwarfs as invisible companions of some of the single lined giants is suggested in order to explain why these systems are older than double-lined giants. © Kluwer Academic Publishers 1990 |
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Chromospherically active binaries, kinematics and age connections |
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