Notes for Alpha Tau
Alias HD 29139, Aldebaran
by
Jean Schneider
update: 17 January 2000
The planet(s):
- Detection method: Radial velocity
- Basic data:
- M.sini: 11 MJ
- Semi-major axis: 1.3 - 1.4 AU
- Orbital period: 653.8 days
- Eccentricity: 0.182 ± 0.065
- Remarks: To be confirmed ( in particular that it is not a long
term oscillation )
- References:
- HATZES A., 1997
Confirming planet detection with spectral line bisectors: does Alpha Tau
have a planet?
Poster at the Brown Dwarfs and Extrasolar
Planets Workshop
Puerto de la Cruz, Tenerife, Canarias, Spain , 17 - 21 march 1997
abstract
- HATZES A. & COCHRAN W., 1998
On the Nature of the Radial Velocity Variability of Aldebaran: A Search for
Spectral Line Bisector Variations
MNRAS, 293, 469
abstract and
preprint
- Other Web pages:
The star:
- Distance: 20 - 25 pc
- Spectral type: K5III
- Apparent magnitude: V = 0.86
- Absolute luminosity:
- Coordinates (2000): RA = 04 35 54.962
DEC = +16 30 42.79
- More data:
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