Ob yam ntawm lub kaw lus dab noj hnub ib leeg, qhov sib txawv ntawm qhov kev siv ntawm Algol thawj zaug raug kaw hauv 1670 los ntawm Geminiano Montanari.
Leej twg pom thawj eclipsing binary?
Thawj eclipsing binary, Algol, tau raug tshawb pom los ntawm Goodericke hauv 1782. Lub Kaum Ib Hlis, 1889, H. C. Vogel pom tias Algol kuj yog spectroscopic binary. Thawj phau ntawv teev npe ntawm spectroscopic binaries tau luam tawm tsuas yog 15 xyoo tom qab kev tshawb pom thawj zaug, thiab nws muaj 140 hnub qub.
Thaum twg yog thawj eclipsing binary nrhiav pom?
Qhov binary no yog qhov sib txawv heev, thiab nws qhia tau tias huab hwm coj yog spiraling ntawm ib lub hnub qub mus rau lwm qhov ntawm tus nqi ntawm tsib lub ntiaj teb ib xyoos. Qhov kev sib pauv ntawm huab hwm coj no tau tshwm sim ua rau muaj kev nce ntxiv hauv lub sijhawm orbital, txij li 12.89 hnub hauv 1784, thaum nws pom, mus rau 12.94 hnub hauv 1978.
Yuav muaj pes tsawg tus eclipsing binaries muaj?
Lub kaw lus muaj lub hnub qub thib peb uas tsis yog dab tuag. Qee qhov 20 eclipsing binaries pom ntawm qhov muag liab qab. Lub teeb nkhaus ntawm Algol (Beta Persei), qhov hloov pauv hloov pauv, lossis eclipsing binary, lub hnub qub. Tus txheeb ze brightness ntawm lub kaw lus yog npaj rau lub sij hawm.
Puas eclipsing binaries tsawg?
Systems zoo li no, uas yog hu ua evolving eclipsing binaries, yog rare, tsuas yog muaj txog kaum ob paub txog hnub no, raws li Davenport.
