Angular Momentum Evolution in Close Late-type Binaries

Carla MACERONI

Makale detayları

Angular Momentum Evolution in Close Late-type Binaries

Yazarlar:

Carla MACERONI

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Physics 1999 Vol.23 Issue 2, pp.289-300

Belge Tipi:

Makale

Yayın Tarihi:

1/1999

Belge Dili:

Türkçe

Document ID (Org No.):

2000763146

Sıklık:

İki Aylık

eISSN:

1303-6122

pISSN:

1300-0101

Anahtar kelimeler:

Özet:

 

Accurate monitoring of the orbital period of late-type close  binaries can provide important information on their secular evolution  and on the structural changes of their components on very short  timescales (i.e. decades).  The orbital period turns out to be a  powerful tool of investigation: it can be measured to great accuracy  even with simple equipments and its change produces an easily  detectable cumulative effect over time.  This paper focuses on two physical mechanisms that cause orbital periods changes in late type binaries with negligible mass loss from the system: the dynamical evolution due to magnetic braking in tidally locked systems, and the transfer of angular momentum among the outer layers of their components.  We present a review of the current theories and discuss the observability of these phenomena on the typical time span of the currently available records.

 

Accurate monitoring of the orbital period of late-type close  binaries can provide important information on their secular evolution  and on the structural changes of their components on very short  timescales (i.e. decades).  The orbital period turns out to be a  powerful tool of investigation: it can be measured to great accuracy  even with simple equipments and its change produces an easily  detectable cumulative effect over time.  This paper focuses on two physical mechanisms that cause orbital periods changes in late type binaries with negligible mass loss from the system: the dynamical evolution due to magnetic braking in tidally locked systems, and the transfer of angular momentum among the outer layers of their components.  We present a review of the current theories and discuss the observability of these phenomena on the typical time span of the currently available records.

Makale detayları

Angular Momentum Evolution in Close Late-type Binaries

Yazarlar:

Carla MACERONI

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Physics 1999 Vol.23 Issue 2, pp.289-300

Belge Tipi:

Makale

Yayın Tarihi:

1/1999

Belge Dili:

Türkçe

Document ID (Org No.):

2000763146

Sıklık:

İki Aylık

eISSN:

1303-6122

pISSN:

1300-0101

Turk. J. Phys.

23

(1999)

289-300. Full text: pdf Other articles published in the same issue: Turk. J. Phys.

vol.23

iss.2.

Sayı

Makale detayları

Angular Momentum Evolution in Close Late-type Binaries

Yazarlar: Carla MACERONI

Yayıncı: TUBITAK

Dergi: Turkish Journal of Physics 1999 Vol.23 Issue 2, pp.289-300

Belge Tipi: Makale

Yayın Tarihi: 1/1999

Belge Dili: Türkçe

Document ID (Org No.): 2000763146

Sıklık: İki Aylık

eISSN: 1303-6122

pISSN: 1300-0101

Turk. J. Phys.

23

(1999)

289-300. Full text: pdf Other articles published in the same issue: Turk. J. Phys.

vol.23

iss.2.

Sayı

Yazarlar:

Carla MACERONI

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Physics 1999 Vol.23 Issue 2, pp.289-300

Belge Tipi:

Makale

Yayın Tarihi:

1/1999

Belge Dili:

Türkçe

Document ID (Org No.):

2000763146

Sıklık:

İki Aylık

eISSN:

1303-6122

pISSN:

1300-0101