Hα-wide and narrow-band photometry of R Canis Majoris
H-alpha wide- and narrow-band photoelectric observations of the eclipsing binary R CMa were made at the Biruni Observatory between February 18 and March 2, 1983. The light curves obtained from the observations are analyzed according to Kopal's method for the orbital elements by using frequency-...
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| Veröffentlicht in: | Astrophysics and space science 1989, Vol.151 (1), p.1-28 |
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| container_title | Astrophysics and space science |
| container_volume | 151 |
| creator | EDALATI, M. T KHALESSE, B RIAZI, N |
| description | H-alpha wide- and narrow-band photoelectric observations of the eclipsing binary R CMa were made at the Biruni Observatory between February 18 and March 2, 1983. The light curves obtained from the observations are analyzed according to Kopal's method for the orbital elements by using frequency-domain techniques. It appears likely that an exchange has taken place on the angle of the first contact and is probably continuing at the present time. New geometric and photometric elements are derived, and a new value for the angle of the first contact is also given. (Author) |
| doi_str_mv | 10.1007/BF00643626 |
| format | Article |
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T ; KHALESSE, B ; RIAZI, N</creator><creatorcontrib>EDALATI, M. T ; KHALESSE, B ; RIAZI, N</creatorcontrib><description>H-alpha wide- and narrow-band photoelectric observations of the eclipsing binary R CMa were made at the Biruni Observatory between February 18 and March 2, 1983. The light curves obtained from the observations are analyzed according to Kopal's method for the orbital elements by using frequency-domain techniques. It appears likely that an exchange has taken place on the angle of the first contact and is probably continuing at the present time. New geometric and photometric elements are derived, and a new value for the angle of the first contact is also given. 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T</creatorcontrib><creatorcontrib>KHALESSE, B</creatorcontrib><creatorcontrib>RIAZI, N</creatorcontrib><title>Hα-wide and narrow-band photometry of R Canis Majoris</title><title>Astrophysics and space science</title><description>H-alpha wide- and narrow-band photoelectric observations of the eclipsing binary R CMa were made at the Biruni Observatory between February 18 and March 2, 1983. The light curves obtained from the observations are analyzed according to Kopal's method for the orbital elements by using frequency-domain techniques. It appears likely that an exchange has taken place on the angle of the first contact and is probably continuing at the present time. New geometric and photometric elements are derived, and a new value for the angle of the first contact is also given. 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| fulltext | fulltext |
| identifier | ISSN: 0004-640X |
| ispartof | Astrophysics and space science, 1989, Vol.151 (1), p.1-28 |
| issn | 0004-640X 1572-946X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25247890 |
| source | EZB-FREE-00999 freely available EZB journals; SpringerLink Journals - AutoHoldings |
| subjects | Astronomy Binary and multiple stars Earth, ocean, space Eclipsing binaries Exact sciences and technology Stars |
| title | Hα-wide and narrow-band photometry of R Canis Majoris |
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