Large turbulent elements in supergiant photospheres
Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which i...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
De Jager, Cornelis [verfasserIn] |
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| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1979 |
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| Schlagwörter: |
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| Anmerkung: |
© D. Reidel Publishing Co. 1979 |
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| Übergeordnetes Werk: |
Enthalten in: Astrophysics and space science - Kluwer Academic Publishers, 1968, 62(1979), 1 vom: Mai, Seite 245-250 |
|---|---|
| Übergeordnetes Werk: |
volume:62 ; year:1979 ; number:1 ; month:05 ; pages:245-250 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF00643919 |
|---|
| Katalog-ID: |
OLC2066135380 |
|---|
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| 520 | |a Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. | ||
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| 650 | 4 | |a Spectral Type | |
| 650 | 4 | |a Scale Height | |
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| 650 | 4 | |a Vertical Extent | |
| 700 | 1 | |a Vermue, Jan |4 aut | |
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10.1007/BF00643919 doi (DE-627)OLC2066135380 (DE-He213)BF00643919-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn De Jager, Cornelis verfasserin aut Large turbulent elements in supergiant photospheres 1979 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Co. 1979 Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. Relative Size Spectral Type Scale Height Density Scale Vertical Extent Vermue, Jan aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 62(1979), 1 vom: Mai, Seite 245-250 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:62 year:1979 number:1 month:05 pages:245-250 https://doi.org/10.1007/BF00643919 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_20 GBV_ILN_21 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_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4700 AR 62 1979 1 05 245-250 |
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10.1007/BF00643919 doi (DE-627)OLC2066135380 (DE-He213)BF00643919-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn De Jager, Cornelis verfasserin aut Large turbulent elements in supergiant photospheres 1979 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Co. 1979 Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. Relative Size Spectral Type Scale Height Density Scale Vertical Extent Vermue, Jan aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 62(1979), 1 vom: Mai, Seite 245-250 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:62 year:1979 number:1 month:05 pages:245-250 https://doi.org/10.1007/BF00643919 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_20 GBV_ILN_21 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_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4700 AR 62 1979 1 05 245-250 |
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10.1007/BF00643919 doi (DE-627)OLC2066135380 (DE-He213)BF00643919-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn De Jager, Cornelis verfasserin aut Large turbulent elements in supergiant photospheres 1979 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Co. 1979 Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. Relative Size Spectral Type Scale Height Density Scale Vertical Extent Vermue, Jan aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 62(1979), 1 vom: Mai, Seite 245-250 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:62 year:1979 number:1 month:05 pages:245-250 https://doi.org/10.1007/BF00643919 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_20 GBV_ILN_21 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_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4700 AR 62 1979 1 05 245-250 |
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10.1007/BF00643919 doi (DE-627)OLC2066135380 (DE-He213)BF00643919-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn De Jager, Cornelis verfasserin aut Large turbulent elements in supergiant photospheres 1979 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Co. 1979 Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. Relative Size Spectral Type Scale Height Density Scale Vertical Extent Vermue, Jan aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 62(1979), 1 vom: Mai, Seite 245-250 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:62 year:1979 number:1 month:05 pages:245-250 https://doi.org/10.1007/BF00643919 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_20 GBV_ILN_21 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_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4700 AR 62 1979 1 05 245-250 |
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10.1007/BF00643919 doi (DE-627)OLC2066135380 (DE-He213)BF00643919-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn De Jager, Cornelis verfasserin aut Large turbulent elements in supergiant photospheres 1979 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Co. 1979 Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. Relative Size Spectral Type Scale Height Density Scale Vertical Extent Vermue, Jan aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 62(1979), 1 vom: Mai, Seite 245-250 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:62 year:1979 number:1 month:05 pages:245-250 https://doi.org/10.1007/BF00643919 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_20 GBV_ILN_21 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_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4700 AR 62 1979 1 05 245-250 |
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Enthalten in Astrophysics and space science 62(1979), 1 vom: Mai, Seite 245-250 volume:62 year:1979 number:1 month:05 pages:245-250 |
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Large turbulent elements in supergiant photospheres |
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Large turbulent elements in supergiant photospheres |
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De Jager, Cornelis |
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De Jager, Cornelis Vermue, Jan |
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large turbulent elements in supergiant photospheres |
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Large turbulent elements in supergiant photospheres |
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Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. © D. Reidel Publishing Co. 1979 |
| abstractGer |
Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. © D. Reidel Publishing Co. 1979 |
| abstract_unstemmed |
Abstract During the ‘cool phase’ of the super-supergiant HR 8752, which happened around 1973, when the star's spectral type was K2...K5 $ Ia^{+} $, the most probable vertical extent of the main turbulent elements in the star's photosphere was about 6 times the density scale height, which is about half the stellar radius. In early-type photospheres (class Ia) it is about 10 times the atmospheric density scale height (about 0.25 of the stellar radius), while in less extreme (luminosity class Ib) medium-type supergiants the most probable vertical extent of the elements is approx. 8 times the density scale height (≈0.05R). Large turbulent elements are apparently a common feature in supergiant photospheres; the more extreme the supergiant the larger the relative size of the eddies. © D. Reidel Publishing Co. 1979 |
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