GRAVITATIONAL-RADIATION FROM RAPIDLY ROTATING NASCENT NEUTRON-STARS

被引：174

作者：

LAI, D ^{[1
]}

SHAPIRO, SL ^{[1
]}

机构：

[1] CORNELL UNIV,CTR RADIOPHYS & SPACE RES,ITHACA,NY 14853

来源：

ASTROPHYSICAL JOURNAL | 1995年 / 442卷 / 01期

关键词：

HYDRODYNAMICS; INSTABILITIES; RADIATION MECHANISMS; NONTHERMAL; STARS; NEUTRON; SUPERNOVAE; GENERAL;

D O I：

10.1086/175438

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the secular evolution and gravitational wave signature of a newly formed, rapidly rotating neutron star. The neutron star may arise from core collapse in a massive star or from the accretion-induced collapse of a white dwarf. After a brief dynamical phase, the nascent neutron star settles into an axisymmetric, secularly unstable equilibrium state. Gravitational radiation drives the star to a nonaxisymmetric, stationary equilibrium configuration via the bar-mode instability. The emitted quasi-periodic gravitational waves have a unique signature: the wave frequency sweeps downward from a few hundred Hertz to zero, while the wave amplitude increases from zero to a maximum and then decays back to zero. Such a wave signal could be detected by broadband gravitational wave interferometers currently being constructed. We also characterize two other types of gravitational wave signals that could arise in principle from a rapidly rotating, secularly unstable neutron star: a high-frequency (f greater than or similar to 1000 Hz) wave which increases the pattern-speed of the star, and a wave that actually increases the angular momentum of the star.

引用

页码：259 / 272

页数：14

共 55 条

[1] LIGO - THE LASER-INTERFEROMETER-GRAVITATIONAL-WAVE-OBSERVATORY [J].

ABRAMOVICI, A ;

ALTHOUSE, WE ;

DREVER, RWP ;

GURSEL, Y ;

KAWAMURA, S ;

RAAB, FJ ;

SHOEMAKER, D ;

SIEVERS, L ;

SPERO, RE ;

THORNE, KS ;

VOGT, RE ;

WEISS, R ;

WHITCOMB, SE ;

ZUCKER, ME .

SCIENCE, 1992, 256 (5055) :325-333

[2]

[Anonymous], 1978, THEORY ROTATING STAR

[3] STELLAR COLLAPSES IN THE GALAXY [J].

BAHCALL, JN ;

PIRAN, T .

ASTROPHYSICAL JOURNAL, 1983, 267 (02) :L77-L81

[4] NEUTRON-STARS AND MILLISECOND PULSARS FROM ACCRETION-INDUCED COLLAPSE IN GLOBULAR-CLUSTERS [J].

BAILYN, CD ;

GRINDLAY, JE .

ASTROPHYSICAL JOURNAL, 1990, 353 (01) :159-167

[5]

BLAIR DG, 1989, GRAVITATIONAL WAVE D

[6] RAPIDLY ROTATING STARS .8. ZERO-VISCOSITY POLYTROPIC SEQUENCES [J].

BODENHEIMER, P ;

OSTRIKER, JP .

ASTROPHYSICAL JOURNAL, 1973, 180 (01) :159-169

[7]

BONAZZOLA S, 1993, ASTRON ASTROPHYS, V267, P623

[8] THE VIRGO PROJECT - A WIDE BAND ANTENNA FOR GRAVITATIONAL-WAVE DETECTION [J].

BRADASCHIA, C ;

DELFABBRO, R ;

DIVIRGILIO, A ;

GIAZOTTO, A ;

KAUTZKY, H ;

MONTELATICI, V ;

PASSUELLO, D ;

BRILLET, A ;

CREGUT, O ;

HELLO, P ;

MAN, CN ;

MANH, PT ;

MARRAUD, A ;

SHOEMAKER, D ;

VINET, JY ;

BARONE, F ;

DIFIORE, L ;

MILANO, L ;

RUSSO, G ;

AGUIRREGABIRIA, JM ;

BEL, H ;

DURUISSEAU, JP ;

LEDENMAT, G ;

TOURRENC, P ;

CAPOZZI, M ;

LONGO, M ;

LOPS, M ;

PINTO, I ;

ROTOLI, G ;

DAMOUR, T ;

BONAZZOLA, S ;

MARCK, JA ;

GOURGHOULON, Y ;

HOLLOWAY, LE ;

FULIGNI, F ;

IAFOLLA, V ;

NATALE, G .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1990, 289 (03) :518-525

[9] THE BIRTH OF NEUTRON-STARS [J].

BURROWS, A ;

LATTIMER, JM .

ASTROPHYSICAL JOURNAL, 1986, 307 (01) :178-196

[10] EVOLUTION OF JACOBI ELLIPSOID BY GRAVITATIONAL RADIATION [J].

CHANDRASEKHAR, S .

ASTROPHYSICAL JOURNAL, 1970, 161 (02) :571-+

← 1 2 3 4 5 6 →