Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Berlin, Heidelberg
Springer Berlin Heidelberg
1958
|
| Schriftenreihe: | Encyclopedia of Physics / Handbuch der Physik
11 / 51 |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Beschreibung: | Sects. 12, 13. 89 sequence and that subgiant and fainter stars in globular clusters have ultraviolet excesses. When dealing with stars whose physical properties are imperfectly under stood, such as in globular cluster stars, we cannot rely too heavily on the empiri cal calibration by the kinds of stars used to define Fig. 5, to determine their true, unreddened U-B, B-V curve. But if by a combination of arguments, principally the reddening in the region of the stars we do known about, we can assign a fairly probable unreddened U-B, B-V curve to a group of stars about which we know little, the argument may be turned around. In this case some information may be gained about the energy envelope of the stars by examining the differences between the normal two-color index curves for the unknown group of stars compared to the known. In general there seem to be two possible causes for different stars defining different normal sequences in the U-B, B-V plane. One, the relative energy distribution in the continuum in the U, B and V photometry bands are different. An example of this is the effect of the Balmer depression in supergiants. This, of course, requires deviation from black body radiation curves for one or both groups of stars. This cause seems to be the dominant effect for very blue, hot stars where the depression of the continuum by absorption lines is at a minimum |
| Beschreibung: | 1 Online-Ressource (VIII, 832 p) |
| ISBN: | 9783642459085 9783642459108 |
| ISSN: | 0085-140X |
| DOI: | 10.1007/978-3-642-45908-5 |
Internformat
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| 100 | 1 | |a Wrubel, Marshal H. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau |c by Marshal H. Wrubel, H. C. Arp, G. R. Burbidge, E. Margaret Burbidge, Hans E. Suess, Harold C. Urey, Lawrence H. Aller, P. Ledoux, Th. Walraven, Armin J. Deutsch, E. Schatzman, Cecilia Payne-Gaposchkin, F. Zwicky |
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| 490 | 0 | |a Encyclopedia of Physics / Handbuch der Physik |v 11 / 51 |x 0085-140X | |
| 500 | |a Sects. 12, 13. 89 sequence and that subgiant and fainter stars in globular clusters have ultraviolet excesses. When dealing with stars whose physical properties are imperfectly under stood, such as in globular cluster stars, we cannot rely too heavily on the empiri cal calibration by the kinds of stars used to define Fig. 5, to determine their true, unreddened U-B, B-V curve. But if by a combination of arguments, principally the reddening in the region of the stars we do known about, we can assign a fairly probable unreddened U-B, B-V curve to a group of stars about which we know little, the argument may be turned around. In this case some information may be gained about the energy envelope of the stars by examining the differences between the normal two-color index curves for the unknown group of stars compared to the known. In general there seem to be two possible causes for different stars defining different normal sequences in the U-B, B-V plane. One, the relative energy distribution in the continuum in the U, B and V photometry bands are different. An example of this is the effect of the Balmer depression in supergiants. This, of course, requires deviation from black body radiation curves for one or both groups of stars. This cause seems to be the dominant effect for very blue, hot stars where the depression of the continuum by absorption lines is at a minimum | ||
| 650 | 4 | |a Physics | |
| 650 | 4 | |a Physics, general | |
| 700 | 1 | |a Arp, Halton |e Sonstige |4 oth | |
| 700 | 1 | |a Burbidge, Geoffrey R. |d 1925-2010 |e Sonstige |0 (DE-588)122561562 |4 oth | |
| 700 | 1 | |a Burbidge, Margaret |d 1919-2020 |e Sonstige |0 (DE-588)1081850086 |4 oth | |
| 700 | 1 | |a Suess, Hans E. |d 1909-1993 |e Sonstige |0 (DE-588)142130516 |4 oth | |
| 700 | 1 | |a Urey, Harold Clayton |d 1893-1981 |e Sonstige |0 (DE-588)132048000 |4 oth | |
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Datensatz im Suchindex
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| any_adam_object | |
| author | Wrubel, Marshal H. |
| author_GND | (DE-588)122561562 (DE-588)1081850086 (DE-588)142130516 (DE-588)132048000 (DE-588)102765529 |
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| author_sort | Wrubel, Marshal H. |
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| dewey-full | 530 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 530 - Physics |
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| dewey-sort | 3530 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| doi_str_mv | 10.1007/978-3-642-45908-5 |
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| id | DE-604.BV042413135 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-10T01:20:52Z |
| institution | BVB |
| isbn | 9783642459085 9783642459108 |
| issn | 0085-140X |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027848628 |
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| owner_facet | DE-91 DE-BY-TUM DE-83 |
| physical | 1 Online-Ressource (VIII, 832 p) |
| psigel | ZDB-2-PHA ZDB-2-BAE ZDB-2-PHA_Archive |
| publishDate | 1958 |
| publishDateSearch | 1958 |
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| publisher | Springer Berlin Heidelberg |
| record_format | marc |
| series2 | Encyclopedia of Physics / Handbuch der Physik |
| spelling | Wrubel, Marshal H. Verfasser aut Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau by Marshal H. Wrubel, H. C. Arp, G. R. Burbidge, E. Margaret Burbidge, Hans E. Suess, Harold C. Urey, Lawrence H. Aller, P. Ledoux, Th. Walraven, Armin J. Deutsch, E. Schatzman, Cecilia Payne-Gaposchkin, F. Zwicky Berlin, Heidelberg Springer Berlin Heidelberg 1958 1 Online-Ressource (VIII, 832 p) txt rdacontent c rdamedia cr rdacarrier Encyclopedia of Physics / Handbuch der Physik 11 / 51 0085-140X Sects. 12, 13. 89 sequence and that subgiant and fainter stars in globular clusters have ultraviolet excesses. When dealing with stars whose physical properties are imperfectly under stood, such as in globular cluster stars, we cannot rely too heavily on the empiri cal calibration by the kinds of stars used to define Fig. 5, to determine their true, unreddened U-B, B-V curve. But if by a combination of arguments, principally the reddening in the region of the stars we do known about, we can assign a fairly probable unreddened U-B, B-V curve to a group of stars about which we know little, the argument may be turned around. In this case some information may be gained about the energy envelope of the stars by examining the differences between the normal two-color index curves for the unknown group of stars compared to the known. In general there seem to be two possible causes for different stars defining different normal sequences in the U-B, B-V plane. One, the relative energy distribution in the continuum in the U, B and V photometry bands are different. An example of this is the effect of the Balmer depression in supergiants. This, of course, requires deviation from black body radiation curves for one or both groups of stars. This cause seems to be the dominant effect for very blue, hot stars where the depression of the continuum by absorption lines is at a minimum Physics Physics, general Arp, Halton Sonstige oth Burbidge, Geoffrey R. 1925-2010 Sonstige (DE-588)122561562 oth Burbidge, Margaret 1919-2020 Sonstige (DE-588)1081850086 oth Suess, Hans E. 1909-1993 Sonstige (DE-588)142130516 oth Urey, Harold Clayton 1893-1981 Sonstige (DE-588)132048000 oth Aller, Lawrence Hugh 1913-2003 Sonstige (DE-588)102765529 oth Ledoux, Paul Sonstige oth Walraven, Th Sonstige oth Deutsch, Armin J. Sonstige oth Schatzman, E. Sonstige oth Payne-Gaposchkin, Cecilia Sonstige oth Zwicky, F. Sonstige oth https://doi.org/10.1007/978-3-642-45908-5 Verlag Volltext |
| spellingShingle | Wrubel, Marshal H. Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau Physics Physics, general |
| title | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau |
| title_auth | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau |
| title_exact_search | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau |
| title_full | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau by Marshal H. Wrubel, H. C. Arp, G. R. Burbidge, E. Margaret Burbidge, Hans E. Suess, Harold C. Urey, Lawrence H. Aller, P. Ledoux, Th. Walraven, Armin J. Deutsch, E. Schatzman, Cecilia Payne-Gaposchkin, F. Zwicky |
| title_fullStr | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau by Marshal H. Wrubel, H. C. Arp, G. R. Burbidge, E. Margaret Burbidge, Hans E. Suess, Harold C. Urey, Lawrence H. Aller, P. Ledoux, Th. Walraven, Armin J. Deutsch, E. Schatzman, Cecilia Payne-Gaposchkin, F. Zwicky |
| title_full_unstemmed | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau by Marshal H. Wrubel, H. C. Arp, G. R. Burbidge, E. Margaret Burbidge, Hans E. Suess, Harold C. Urey, Lawrence H. Aller, P. Ledoux, Th. Walraven, Armin J. Deutsch, E. Schatzman, Cecilia Payne-Gaposchkin, F. Zwicky |
| title_short | Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau |
| title_sort | astrophysics ii stellar structure astrophysik ii sternaufbau |
| topic | Physics Physics, general |
| topic_facet | Physics Physics, general |
| url | https://doi.org/10.1007/978-3-642-45908-5 |
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