2016ApJ...827...40G

Query : 2016ApJ...827...40G

2016ApJ...827...40G - Astrophys. J., 827, 40-40 (2016/August-2)

Angular momentum fluctuations in the convective helium shell of massive stars.

GILKIS A. and SOKER N.

Abstract (from CDS):

We find significant fluctuations of angular momentum within the convective helium shell of a pre-collapse massive star–a core-collapse supernova progenitor–that may facilitate the formation of accretion disks and jets that can explode the star. The convective flow in our model of an evolved {M}ZAMS=15{M}☉ star, computed using the subsonic hydrodynamic solver MAESTRO, contains entire shells with net angular momentum in different directions. This phenomenon may have important implications for the late evolutionary stages of massive stars and for the dynamics of core collapse.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): stars: massive - supernovae: general - supernovae: general

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 SN 2005gl SN* 00 49 50.02 +32 16 56.8       17.0   SNIIn 162 2

Query : 2016ApJ...827...40G

Basic data :
SN 2005gl -- SuperNova
Other object types: otypes_help 		SN* (2012A&A,SN)
ICRS coord. (ep=J2000) : 		00 49 50.02 +32 16 56.8 [ ] D 2005IAUC.8615....1P
FK4 coord. (ep=B1950 eq=1950) : 		00 47 07.45 +32 00 37.0 [ ]
Gal coord. (ep=J2000) : 		122.53805 -30.58808 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 4758 [~] / z(~) 0.016 [~] / cz 4797 [~]
   D 2005ATel..630....1B
Spectral type: 		SNIIn C 2008yCat....1.2024B
Fluxes (1) :
R 17.0 [~] D 2008yCat.2283....0B
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Hierarchy : number of linked objects
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Identifiers (2) :
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SN 2005gl NAME NGC 266 LBV 1

References (162 between 1850 and 2026) (Total 162)
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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