On the Seismic Age of the Sun
Abstract
We use low-degree acoustic modes obtained by the BiSON to estimate the main-sequence age tsolar of the Sun. The calibration is accomplished by linearizing the deviations from a standard solar model the seismic frequencies of which are close to those of the Sun. Formally, we obtain the preliminary value tsolar = 4.68+/-0.02 Gy, coupled with an initial heavy-element abundance Z = 0.0169+/-0.0005. The quoted standard errors, which are not independent, are upper bounds implied under the assumption that the standard errors in the observed frequencies are independent.
- Publication:
-
Unsolved Problems in Stellar Physics: A Conference in Honor of Douglas Gough
- Pub Date:
- November 2007
- DOI:
- 10.1063/1.2818974
- arXiv:
- arXiv:0710.0762
- Bibcode:
- 2007AIPC..948..219H
- Keywords:
-
- 96.60.Ly;
- 97.10.Cv;
- 96.60.Jw;
- Helioseismology pulsations and shock waves;
- Stellar structure interiors evolution nucleosynthesis ages;
- Solar interior;
- Astrophysics
- E-Print:
- 6 pages, 4 figures, in Stancliffe R.J., Dewi J., Houdek G., Martin R.G., Tout C.A., eds, AIP Conf. Proc., Unsolved Problems in Stellar Physics. American Institute of Physics, Melville, in the press