2001PASP..113..469H

Query : 2001PASP..113..469H

2001PASP..113..469H - Publ. Astron. Soc. Pac., 113, 469-472 (2001/April-0)

On echo outbursts and ER UMa supercycles in SU UMa-type cataclysmic variables.

HELLIER C.

Abstract (from CDS):

I present a variation on Osaki's tidal thermal instability model for SU UMa behavior. I suggest that in systems with the lowest mass ratios, the angular momentum dissipation in an eccentric disk is unable to sustain the disk on the hot side of the thermal instability. This decoupling of the tidal and thermal instabilities in systems with q≲0.07 allows a better explanation of the ``echo'' outbursts of EG Cnc and the short supercycles of RZ LMi and DI UMa. The idea might also apply to the soft X-ray transients.

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion disks - Stars: Binaries: Close - Stars: Novae, Cataclysmic Variables

Simbad objects: 8

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Number of rows : 8
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* V518 Per HXB 04 21 42.7227473352 +32 54 26.939156184           M4.5V 670 0
2 V* V1159 Ori CV* 05 28 59.5676204544 -03 33 52.282939068   14.321 14.203 15.317   ~ 152 0
3 V* EG Cnc CV* 08 43 03.9863206560 +27 51 49.693595508           DAe 195 0
4 V* DI UMa CV* 09 12 16.1933315112 +50 53 53.956934520           ~ 89 0
5 V* RZ LMi CV* 09 51 48.9263549904 +34 07 23.966634108           DA 123 0
6 V* AL Com CV* 12 32 25.7951754648 +14 20 42.292188276     16.2     ~ 249 0
7 V* UZ Boo CV* 14 44 01.2123285360 +22 00 54.812924316           ~ 78 1
8 V* WZ Sge CV* 20 07 36.5037622512 +17 42 14.733254952   15.30 15.20 10.817   D 982 0

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