2012ApJ...756L..17F

Query : 2012ApJ...756L..17F

2012ApJ...756L..17F - Astrophys. J., 756, L17 (2012/September-1)

Tidal novae in compact binary white dwarfs.

FULLER J. and LAI D.

Abstract (from CDS):

Compact binary white dwarfs (WDs) undergoing orbital decay due to gravitational radiation can experience significant tidal heating prior to merger. In these WDs, the dominant tidal effect involves the excitation of outgoing gravity waves in the inner stellar envelope and the dissipation of these waves in the outer envelope. As the binary orbit decays, the WDs are synchronized from outside in (with the envelope synchronized first, followed by the core). We examine the deposition of tidal heat in the envelope of a carbon-oxygen WD and study how such tidal heating affects the structure and evolution of the WD. We show that significant tidal heating can occur in the star's degenerate hydrogen layer. This layer heats up faster than it cools, triggering runaway nuclear fusion. Such "tidal novae" may occur in all WD binaries containing a CO WD, at orbital periods between 5 minutes and 20 minutes, and precede the final merger by 10⁵-10⁶ years.

Abstract Copyright: ∼

Journal keyword(s): binaries: close - hydrodynamics - novae, cataclysmic variables - white dwarfs

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	GALEX J065133.3+284424	WD*	06 51 33.3404753832	+28 44 23.448959772						DAH	98	0

Query : 2012ApJ...756L..17F

Basic data :

GALEX J065133.3+284424 -- White Dwarf

WD* (2013ApJS), WD? (2019MNRAS), * (USNO,Gaia), EB* (2014MNRAS), ** (2011ApJ), blu (2022A&A), UV (GALEX), Opt (SDSS)

06 51 33.3404753832 +28 44 23.448959772 (Optical) [ 0.3093 0.2825 90 ] A 2020yCat.1350....0G

06 48 23.7927964570 +28 48 00.602871448 [ 0.3093 0.2825 90 ]

186.9276583548044 +12.6886659249745 [ 0.3093 0.2825 90 ]

-1.097 -7.511 [0.370 0.318 90] A 2020yCat.1350....0G

V(km/s) 16.6 [0.6] / z(~) 0.000055 [0.000002] / cz 16.60 [0.60] C 2011ApJ...737L..23B

1.0071 [0.3091] A 2020yCat.1350....0G

DAH D 2013ApJS..204....5K

G 19.283268 [0.005796] C 2020yCat.1350....0G

u (AB) 19.583 [0.032] C 2015ApJS..219...12A

g (AB) 19.109 [0.010] C 2015ApJS..219...12A

r (AB) 19.453 [0.016] C 2015ApJS..219...12A

i (AB) 19.717 [0.026] C 2015ApJS..219...12A

z (AB) 19.804 [0.107] D 2015ApJS..219...12A

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`SDSS J065133.33+284423.3`	`SDSS J065133.34+284423.4`	`EQ J0651+2844`	`Gaia DR2 887586156003183744`
`GALEX J065133.3+284424`	`USNO-B1.0 1187-00137662`	`Gaia DR3 887586156003183744`

References (98 between 1850 and 2026) (Total 98)
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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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : GALEX J065133.3+284424

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`SDSS J065133.33+284423.3`	`GALEX J065133.3+284424`	`SDSS J065133.34+284423.4`	`USNO-B1.0 1187-00137662`	`Gaia DR3 887586156003183744`
`Gaia DR2 887586156003183744`

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