Format
A data frame with 47 observations on the following 2 variables.
logst
- log survface termperature of the star.
logli
- log light intensity of the star.
Source
F. Vanisma and J. P. De Greve (1972), Close binary systems
before and after mass transfer. Astrophysics and Space Science,
87, 377--401. D. J. Hand, F. Daly, A. D. Lunn, K. J. McConway and E. Ostrowski (1994).
A Handbook of Small Datasets, Chapman and Hall/CRC, London.