Radio Astronomy and Cosmology:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Dordrecht
Springer Netherlands
1977
|
| Schriftenreihe: | International Astronomical Union / Union Astronomique Internationale, Symposium No. 74 Held at Cavendish Laboratory Cambridge, England August 16–20, 1976
74 |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Beschreibung: | 337 F(e) = (z) where the angle between the directions III and 112 is equal to 8. r is the angular diameter effective distance of the epoch for recombination. F (8) ~ve have F(e) : f (e) ~ (S" ) e. . ~ is a Bessel function. It is assumed here that the spectrum of gravitational waves takes the form 1\ hI'::: hoK for all relevant wavelengths, a is beam width of the radio antenna, d\= d~, and ~ is the duration of the process of recombinations in \-time. The results for different beam widths are shown in Fig. 1. 338 I. D. NOVIKOV 1-. . . -__ 0. 5 1 1. 5 2 e' 0. 5 o and for a l' (solid line) and Fig. 1. The function f(8) for n for a = 2' (dotted line). These formula should be used in analysing the implications of future observations. Comparison with the observational data now available enables us to establish an upper limit for the energy density of long gravitational waves. This method is most sensitive for gravitational waves with A ~ ct The fluctuations ~; due to these waves have scale ~ 0. 03 GW rec 4 radian. If, according to modern observations, we take ~; < 10- , then 8 26 ~GW/Ey < 10- for those gravitational waves which have A = 5. 10 cm GW today where Ey is the energy density of relict radiation. The fluctuations ~TT due to long gravitational waves with A = ct |
| Beschreibung: | 1 Online-Ressource (416p) |
| ISBN: | 9789401012607 9789027708397 |
| DOI: | 10.1007/978-94-010-1260-7 |
Internformat
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| 245 | 1 | 0 | |a Radio Astronomy and Cosmology |c edited by David L. Jauncey |
| 246 | 1 | 3 | |a Proceedings of IAU Symposium No. 74, held in Cambridge, England, 16-20 August 1976 |
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| 500 | |a 337 F(e) = (z) where the angle between the directions III and 112 is equal to 8. r is the angular diameter effective distance of the epoch for recombination. F (8) ~ve have F(e) : f (e) ~ (S" ) e. . ~ is a Bessel function. It is assumed here that the spectrum of gravitational waves takes the form 1\ hI'::: hoK for all relevant wavelengths, a is beam width of the radio antenna, d\= d~, and ~ is the duration of the process of recombinations in \-time. The results for different beam widths are shown in Fig. 1. 338 I. D. NOVIKOV 1-. . . -__ 0. 5 1 1. 5 2 e' 0. 5 o and for a l' (solid line) and Fig. 1. The function f(8) for n for a = 2' (dotted line). These formula should be used in analysing the implications of future observations. Comparison with the observational data now available enables us to establish an upper limit for the energy density of long gravitational waves. This method is most sensitive for gravitational waves with A ~ ct The fluctuations ~; due to these waves have scale ~ 0. 03 GW rec 4 radian. If, according to modern observations, we take ~; < 10- , then 8 26 ~GW/Ey < 10- for those gravitational waves which have A = 5. 10 cm GW today where Ey is the energy density of relict radiation. The fluctuations ~TT due to long gravitational waves with A = ct | ||
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Datensatz im Suchindex
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| author | Jauncey, David L. |
| author_facet | Jauncey, David L. |
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| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 530 - Physics |
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| dewey-search | 530.1 |
| dewey-sort | 3530.1 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| doi_str_mv | 10.1007/978-94-010-1260-7 |
| format | Electronic eBook |
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| isbn | 9789401012607 9789027708397 |
| language | English |
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| series2 | International Astronomical Union / Union Astronomique Internationale, Symposium No. 74 Held at Cavendish Laboratory Cambridge, England August 16–20, 1976 |
| spelling | Jauncey, David L. Verfasser aut Radio Astronomy and Cosmology edited by David L. Jauncey Proceedings of IAU Symposium No. 74, held in Cambridge, England, 16-20 August 1976 Dordrecht Springer Netherlands 1977 1 Online-Ressource (416p) txt rdacontent c rdamedia cr rdacarrier International Astronomical Union / Union Astronomique Internationale, Symposium No. 74 Held at Cavendish Laboratory Cambridge, England August 16–20, 1976 74 337 F(e) = (z) where the angle between the directions III and 112 is equal to 8. r is the angular diameter effective distance of the epoch for recombination. F (8) ~ve have F(e) : f (e) ~ (S" ) e. . ~ is a Bessel function. It is assumed here that the spectrum of gravitational waves takes the form 1\ hI'::: hoK for all relevant wavelengths, a is beam width of the radio antenna, d\= d~, and ~ is the duration of the process of recombinations in \-time. The results for different beam widths are shown in Fig. 1. 338 I. D. NOVIKOV 1-. . . -__ 0. 5 1 1. 5 2 e' 0. 5 o and for a l' (solid line) and Fig. 1. The function f(8) for n for a = 2' (dotted line). These formula should be used in analysing the implications of future observations. Comparison with the observational data now available enables us to establish an upper limit for the energy density of long gravitational waves. This method is most sensitive for gravitational waves with A ~ ct The fluctuations ~; due to these waves have scale ~ 0. 03 GW rec 4 radian. If, according to modern observations, we take ~; < 10- , then 8 26 ~GW/Ey < 10- for those gravitational waves which have A = 5. 10 cm GW today where Ey is the energy density of relict radiation. The fluctuations ~TT due to long gravitational waves with A = ct Physics Classical and Quantum Gravitation, Relativity Theory Radioastronomie (DE-588)4048200-5 gnd rswk-swf Kosmologie (DE-588)4114294-9 gnd rswk-swf 1\p (DE-588)1071861417 Konferenzschrift 1976 Cambridge gnd-content Kosmologie (DE-588)4114294-9 s 2\p DE-604 Radioastronomie (DE-588)4048200-5 s 3\p DE-604 https://doi.org/10.1007/978-94-010-1260-7 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 3\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Jauncey, David L. Radio Astronomy and Cosmology Physics Classical and Quantum Gravitation, Relativity Theory Radioastronomie (DE-588)4048200-5 gnd Kosmologie (DE-588)4114294-9 gnd |
| subject_GND | (DE-588)4048200-5 (DE-588)4114294-9 (DE-588)1071861417 |
| title | Radio Astronomy and Cosmology |
| title_alt | Proceedings of IAU Symposium No. 74, held in Cambridge, England, 16-20 August 1976 |
| title_auth | Radio Astronomy and Cosmology |
| title_exact_search | Radio Astronomy and Cosmology |
| title_full | Radio Astronomy and Cosmology edited by David L. Jauncey |
| title_fullStr | Radio Astronomy and Cosmology edited by David L. Jauncey |
| title_full_unstemmed | Radio Astronomy and Cosmology edited by David L. Jauncey |
| title_short | Radio Astronomy and Cosmology |
| title_sort | radio astronomy and cosmology |
| topic | Physics Classical and Quantum Gravitation, Relativity Theory Radioastronomie (DE-588)4048200-5 gnd Kosmologie (DE-588)4114294-9 gnd |
| topic_facet | Physics Classical and Quantum Gravitation, Relativity Theory Radioastronomie Kosmologie Konferenzschrift 1976 Cambridge |
| url | https://doi.org/10.1007/978-94-010-1260-7 |
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