2009ApJ...695..404R

Query : 2009ApJ...695..404R

2009ApJ...695..404R - Astrophys. J., 695, 404-419 (2009/April-2)

Tidal disruption and ignition of white dwarfs by moderately massive black holes.

ROSSWOG S., RAMIREZ-RUIZ E. and HIX W.R.

Abstract (from CDS):

We present a numerical investigation of the tidal disruption of white dwarfs by moderately massive black holes, with particular reference to the centers of dwarf galaxies and globular clusters. Special attention is given to the fate of white dwarfs of all masses that approach the black hole close enough to be disrupted and severely compressed to such an extent that explosive nuclear burning can be triggered. Consistent modeling of the gas dynamics together with the nuclear reactions allows for a realistic determination of the explosive energy release. In the most favorable cases, the nuclear energy release may be comparable to that of typical Type Ia supernovae. Although the explosion will increase the mass fraction escaping on hyperbolic orbits, a good fraction of the debris remains to be swallowed by the hole, causing a bright soft X-ray flare lasting for about a year. Such transient signatures, if detected, would be a compelling testimony for the presence of a moderately massive black hole (below 105 M☉).

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion disks - black hole physics - globular clusters: general - hydrodynamics - nuclear reactions, nucleosynthesis, abundances

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 [DAB2006b] J143227.42+333225.1 SN* 14 32 27.395 +33 32 24.83           SLSN-I 116 0

Query : 2009ApJ...695..404R

Basic data :
[DAB2006b] J143227.42+333225.1 -- SuperNova
Other object types: otypes_help 		SN* (SCP)
ICRS coord. (ep=J2000) : 		14 32 27.395 +33 32 24.83 (Optical) [ ] C 2009ApJ...690.1358B
FK4 coord. (ep=B1950 eq=1950) : 		14 30 20.915 +33 45 36.04 [ ]
Gal coord. (ep=J2000) : 		055.528971 +67.345361 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 196268 [~] / z(~) 1.189 [~] / cz 356453 [~]
   D 2012Sci...337..927G
Spectral type: 		SLSN-I C 2020ApJ...904...74G
Fluxes (1) :
i 21 [~] E 2009ApJ...690.1358B
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SCP 06F6 [DAB2006b] J143227.42+333225.1

References (116 between 1850 and 2026) (Total 116)
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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