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| Query : 2012MNRAS.422.2642S |
2012MNRAS.422.2642S - Mon. Not. R. Astron. Soc., 422, 2642-2647 (2012/May-3)
Dipole low-order g-mode instability of metal-poor low-mass main-sequence stars due to the ε mechanism.
SONOI T. and SHIBAHASHI H.
Abstract (from CDS):
We analysed the vibrational stability of metal-poor low-mass main-sequence stars due to the ε mechanism. Since outer convection zones of metal-poor stars are limited only to the very outer layers, uncertainty in the treatment of convection does not affect the result significantly. We found that the dipole g1 and g2modes definitely become unstable due to the ε mechanism for {img}. Besides that, we found that as the metallicity decreases the mass range of ε-mechanism instability extends toward higher mass.
Abstract Copyright: 2012 The Author Monthly Notices of the Royal Astronomical Society2012 RAS
Journal keyword(s): stars: abundances - stars: low-mass - stars: oscillations - stars: Population II
Simbad objects: 2
| Number of rows : 2 |
| 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 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 19090 | 0 | ||||
| 2 | ESO 206-20A | G | 06 41 36.7 | -50 57 58 | 22.14 | 11.0 | 19.47 | ~ | 1190 | 0 |
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