"Nov\u00E9 drahov\u00E9 elementy a vlastnosti epsilon Persei"@cs . "Aerts, C." . "Vondr\u00E1k, Jan" . . "Astronomy and Astrophysics" . "The new orbital elements and properties of epsilon Persei" . . . . . "FR - Francouzsk\u00E1 republika" . "Mathias, P." . . "446" . . "RIV/67985815:_____/06:00030566!RIV07-AV0-67985815" . "Uytterhoeven, K." . "2" . . . "A detailed analysis of a large collection of electronic spectra from three observatories, together with radial velocities published earlier, were used to derive a new ephemeris and improved orbital elements for the eps Persei binary. Observations covering a time interval of about 37 000 days (101.3 years) can be reconciled with a constant orbital period of 14.06916+/-0.00004 d. The high orbital eccentricity of 0.555+/-0.009 was also confirmed. New spectral observations confirm that there is a periodic variation of the systemic velocity. Together with new astrometric observations (also analyzed here), they confirm the existence of a third body in the system with an orbital period of about 9600 days (26.3 years). Attempts to detect the third body via interferometric observations should continue in spite of this first negative result." . "A detailed analysis of a large collection of electronic spectra from three observatories, together with radial velocities published earlier, were used to derive a new ephemeris and improved orbital elements for the eps Persei binary. Observations covering a time interval of about 37 000 days (101.3 years) can be reconciled with a constant orbital period of 14.06916+/-0.00004 d. The high orbital eccentricity of 0.555+/-0.009 was also confirmed. New spectral observations confirm that there is a periodic variation of the systemic velocity. Together with new astrometric observations (also analyzed here), they confirm the existence of a third body in the system with an orbital period of about 9600 days (26.3 years). Attempts to detect the third body via interferometric observations should continue in spite of this first negative result."@en . "RIV/67985815:_____/06:00030566" . "[20D2022BBAEC]" . "Hadrava, Petr" . "Yang, S." . "Harmanec, Petr" . "Nov\u00E9 drahov\u00E9 elementy a vlastnosti epsilon Persei"@cs . . "Libich, Jan" . "The new orbital elements and properties of epsilon Persei" . . . "Detailn\u00ED anal\u00FDza velk\u00E9 kolekce elektronick\u00FDch spekter ze 3. observato\u0159\u00ED spole\u010Dn\u011B s radi\u00E1ln\u00EDmi rychlostmi publikovan\u00FDmi d\u0159\u00EDve byla pou\u017Eita na ur\u010Den\u00ED nov\u00E9 efemeridy a vylep\u0161en\u00FDch drahov\u00FDch element\u016F dvojhv\u011Bzdy epsilon Persei. Pozorov\u00E1n\u00ED zahrnuj\u00EDc\u00ED \u010Dasov\u00FD interval okolo 37 000 dn\u00ED (101,3 let) m\u016F\u017Ee b\u00FDt srovn\u00E1na s konstatn\u00ED drahovou periodou 14,06916+/-0,00004 d. Vysok\u00E1 drahov\u00E1 excentricita 0,555+/-0,009 byla rovn\u011B\u017E potvrzena. Nov\u00E1 spektr\u00E1ln\u00ED pozorov\u00E1n\u00ED potvrdila, \u017Ee je tam periodick\u00E1 zm\u011Bna syst\u00E9mov\u00E9 rychlosti. Spole\u010Dn\u011B s nov\u00FDm d\u016Fkazem z astrometick\u00FDch pozorov\u00E1n\u00ED (t\u00E9\u017E analyzovan\u00E9m zde), potvrdila existenci t\u0159et\u00EDho t\u011Blesa v syst\u00E9mu s drahovou periodou okolo 9600 dn\u00ED (26,3 let). Pokusy vedouc\u00ED k detekci t\u0159et\u00EDho t\u011Blesa pomoc\u00ED interferometrick\u00FDch pozorov\u00E1n\u00ED by m\u011Bly pokra\u010Dovat i p\u0159es prvn\u00ED negativn\u00ED v\u00FDsledek."@cs . "de Cat, P." . "583;589" . "488571" . . "7"^^ . . . . . . "\u0160koda, Petr" . "stars; early-type-stars; spectroscopic"@en . "12"^^ . . . "P(IAA3003205), P(KSK2043105), Z(AV0Z10030501)" . "The new orbital elements and properties of epsilon Persei"@en . . "Koubsk\u00FD, Pavel" . "The new orbital elements and properties of epsilon Persei"@en . . . "0004-6361" . . "7"^^ . "\u0160lechta, Miroslav" .