Equations of State in the Hartle-Thorne Model of Neutron Stars
Selecting Acceptable Variants of the Resonant Switch Model of
Twin HF QPOs in the Atoll Source 4U 1636-53

J 2015

Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53

GOLUCHOVÁ, Kateřina, Andrea KOTRLOVÁ, Zdeněk STUCHLÍK, Gabriel TÖRÖK, Martin URBANEC et. al.

Basic information

Original name

Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53

Authors

GOLUCHOVÁ, Kateřina, Andrea KOTRLOVÁ, Zdeněk STUCHLÍK, Gabriel TÖRÖK and Martin URBANEC

Edition

Acta Astronomica, PL - Polská republika, 2015, 0001-5237

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10308 Astronomy

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

URL

Organization unit

Faculty of Philosophy and Science in Opava

UT WoS

000359093300003

Keywords in English

accretion; accretion disks; stars: neutron; X-rays: binaries

Links

GB14-37086G, research and development project. GPP209/12/P740, research and development project.

Změněno: 27/4/2021 09:41, Jan Vlha

Abstract

V originále

The Resonant Switch (RS) model of twin high-frequency quasi-periodic oscillations (HF QPOs) observed in neutron star binary systems, based on switch of the twin oscillations at a resonant point, has been applied to the atoll source 4U 1636-53 under assumption that the neutron star exterior can be approximated by the Kerr geometry. Strong restrictions of the neutron star parameters M (mass) and a (spin) arise due to fitting the frequency pairs admitted by the RS model to the observed data in the regionsrelated to the resonant points. The most precise variants of the RS model are those combining the relativistic precession frequency relations with their modifications. Here, the neutron star mass and spin estimates given by the RS model are confronted with a variety of equations of state (EoS) governing structure of neutron stars in the framework of the Hartle-Thorne theory of rotating neutron stars applied for the observationally given rotation frequency f_{rot} approximate to 580 Hz (o

Citovat

GOLUCHOVÁ, Kateřina, Andrea KOTRLOVÁ, Zdeněk STUCHLÍK, Gabriel TÖRÖK and Martin URBANEC. Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53. Acta Astronomica. PL - Polská republika, 2015, vol. 65, No 2, p. 169-195. ISSN 0001-5237.

@article{42943,
   author = {Goluchová, Kateřina and Kotrlová, Andrea and Stuchlík, Zdeněk and Török, Gabriel and Urbanec, Martin},
   article_location = {PL - Polská republika},
   article_number = {2},
   keywords = {accretion; accretion disks; stars: neutron; X-rays: binaries},
   language = {eng},
   issn = {0001-5237},
   journal = {Acta Astronomica},
   title = {Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53},
   url = {http://acta.astrouw.edu.pl/Vol65/n2/a_65_2_3.html},
   volume = {65},
   year = {2015}
}

TY  - JOUR
ID  - 42943
AU  - Goluchová, Kateřina - Kotrlová, Andrea - Stuchlík, Zdeněk - Török, Gabriel - Urbanec, Martin
PY  - 2015
TI  - Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53
JF  - Acta Astronomica
VL  - 65
IS  - 2
SP  - 169-195
EP  - 169-195
SN  - 00015237
KW  - accretion
KW  - accretion disks
KW  - stars: neutron
KW  - X-rays: binaries
UR  - http://acta.astrouw.edu.pl/Vol65/n2/a_65_2_3.html
N2  - The Resonant Switch (RS) model of twin high-frequency quasi-periodic oscillations (HF QPOs) observed in neutron star binary systems, based on switch of the twin oscillations at a resonant point, has been applied to the atoll source 4U 1636-53 under assumption that the neutron star exterior can be approximated by the Kerr geometry. Strong restrictions of the neutron star parameters M (mass) and a (spin) arise due to fitting the frequency pairs admitted by the RS model to the observed data in the regionsrelated to the resonant points. The most precise variants of the RS model are those combining the relativistic precession frequency relations with their modifications. Here, the neutron star mass and spin estimates given by the RS model are confronted with a variety of equations of state (EoS) governing structure of neutron stars in the framework of the Hartle-Thorne theory of rotating neutron stars applied for the observationally given rotation frequency f_{rot} approximate to 580 Hz (o
ER  -

GOLUCHOVÁ, Kateřina, Andrea KOTRLOVÁ, Zdeněk STUCHLÍK, Gabriel TÖRÖK and Martin URBANEC. Equations of State in the Hartle-Thorne Model of Neutron Stars Selecting Acceptable Variants of the Resonant Switch Model of Twin HF QPOs in the Atoll Source 4U 1636-53. \textit{Acta Astronomica}. PL - Polská republika, 2015, vol.~65, No~2, p.~169-195. ISSN~0001-5237.

Detailed Information on Publication Record