2002MNRAS.330..937O

Query : 2002MNRAS.330..937O

2002MNRAS.330..937O - Mon. Not. R. Astron. Soc., 330, 937-949 (2002/March-2)

Tidally distorted accretion discs in binary stars.

OGILVIE G.I.

Abstract (from CDS):

The non-axisymmetric features observed in the discs of dwarf novae in outburst are usually considered to be spiral shocks, which are the non-linear relatives of tidally excited waves. This interpretation suffers from a number of problems. For example, the natural site of wave excitation lies outside the Roche lobe, the disc must be especially hot, and most treatments of wave propagation do not take into account the vertical structure of the disc.

In this paper I construct a detailed semi-analytical model of the non-linear tidal distortion of a thin, three-dimensional accretion disc by a binary companion on a circular orbit. The analysis presented here allows for vertical motion and radiative energy transport, and introduces a simple model for the turbulent magnetic stress. The m =2 inner vertical resonance has an important influence on the amplitude and phase of the tidal distortion. I show that the observed patterns find a natural explanation if the emission is associated with the tidally thickened sectors of the outer disc, which may be irradiated from the centre. According to this hypothesis, it may be possible to constrain the physical parameters of the disc through future observations.

Abstract Copyright: 2002 Blackwell Science Ltd

Journal keyword(s): accretion, accretion discs - hydrodynamics - MHD - turbulence - celestial mechanics - binaries: close

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	V* IP Peg	CV*	23 23 08.5362249504	+18 24 59.206884012						M2	395	0

Query : 2002MNRAS.330..937O

Basic data :

V* IP Peg -- Cataclysmic Binary

CV* (2020MNRAS), V* (V*,AAVSO), * (WEB,Gaia), SB* (SBC9), PM* (2018yCat), NIR (2MASS), Opt (LAMOST), ev (ZTF)

23 23 08.5362249504 +18 24 59.206884012 (Optical) [ 0.0290 0.0229 90 ] A 2020yCat.1350....0G

23 20 38.6391258112 +18 08 32.516738770 [ 0.0290 0.0229 90 ]

095.3338874816037 -39.6768881367989 [ 0.0290 0.0229 90 ]

-61.849 -33.309 [0.040 0.028 90] A 2020yCat.1350....0G

7.093 [0.0377] A 2020yCat.1350....0G

M2 D ~

G 14.672627 [0.016719] C 2020yCat.1350....0G

J 12.601 [0.024] C 2003yCat.2246....0C

H 11.975 [0.022] C 2003yCat.2246....0C

K 11.721 [0.020] C 2003yCat.2246....0C

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*`SV SVS 2549`**	`SBC9 1442`	`WEB 20444`	`AAVSO 2318+17`
`LAMOST J232308.57+182459.8`	`TIC 243129676`	`ZTF17aabulaf`	`Gaia DR3 2824150286583562496`
`2MASS J23230854+1824593`	*`V IP Peg`**	`EQ 2320+181`	`Gaia DR2 2824150286583562496`

References (395 between 1850 and 2026) (Total 395)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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2MASS J23230854+1824593 V* IP Peg Gaia DR3 2824150286583562496 Gaia DR2 2824150286583562496

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