Notes for HD 190228
by Jean Schneiderupdate: 24 September 2002
The planet(s):
- Detection method: Radial velocity
- Basic data:
Name: HD 190228 b M.sini: 4.99 MJ Semi-major axis: 2.31 AU Orbital period: 1127 ± 42 d. Eccentricity: 0.43 ± 0.08 Omega (deg): 106.8 ± 6.4 T_peri (JD-2450000): 1235 ± 61 Inclinaison: - - Remarks:
22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 45 MJ and inclination of 6.3o
- References:
- HAN I., BLACK D. & GATEWOOD G., 2000
Preliminary astrometric masses for proposed exrasolar planetary companions.
ApJ. Letters, accepted
paper - LUHMAN K. & JAYAWARDHANA R., 2001
A Keck Adaptive Optics Search for Companions to Stars with Planets.
ApJ., accepted
preprint - SIVAN J.-P., MAYOR M., NAEF D., QUELOZ D., UDRY S., PERRIER-BELLET C. &
BEUZIT J.-L., 2000
A planetary companion to HD 190228.
in Planetary Systems in the Universe: Observation, Formation and Evolution, IAU Symp. 202, Eds. A. Penny, P. Artymowicz, A.-M. Lagrange and S. Russel ASP Conf. Ser.
paper - UDRY S., MAYOR M. & QUELOZ D., 2000b
CORALIE-ELODIE new planets and planetary systems. Looking for fossil traces of formation and evolution.
in Planetary Systems in the Universe: Observation, Formation and Evolution, IAU Symp. 202, Eds. A. Penny, P. Artymowicz, A.-M. Lagrange and S. Russel ASP Conf. Ser.
paper - ZHAO G., CHEN Y., QIU H. & LI. Z., 2002
Chemical Abundances of 15 Extrasolar-Planet Host Stars.
Astron. J., 124, 2224
paper
- HAN I., BLACK D. & GATEWOOD G., 2000
- Other Web pages:
The star:
- Distance: 66.11 pc
- Spectral type: G5IV
- Apparent magnitude: V = 7.30
- Coordinates (2000): RA = 20 03 00.7730 DEC = +28 18 24.685
- Metallicity: [Fe/H]sp= - 0.24
- Mass (M_sun): M= 1.30
- More data:
- Basic Data (from simbad )
- Most recent refs. (from ADS; enter ` HD 190228 ' in the `objects' field)
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