Notes for HR 7504 = 16 Cyg B
by Jean Schneiderupdate: 18 September 2001
The planet(s):
- Detection method: Radial Velocity
- basic data:
Name: HD 16CygB b M.sini: 1.5 MJ Semi-major axis: 1.72 AU Orbital period: 804 d. Eccentricity: 0.67 Omega (deg): 86 T_peri (JD-2450000): 542.11 Inclinaison: - - Remark:
22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 14 MJ and inclination of 173.0o
Visual binary. The companion is 16 Cyg A, about 700 AU away - References:
- BUTLER P. & MARCY G., 1996
The Lick Observatory Planet Search
in Astronomical and Biochemical Origins and the Search for Life in the Universe, IAU Colloquium No. 161, Capri 1-5 July 1996, eds. C.B. Cosmovici, S. Bowyer, and D. Werthimer
-
COCHRAN W., HATZES A., BUTLER P. & MARCY G., 1997
The discovery of a planetary companion to 16 Cyg B
Apj. 483, 457
abstract and paper - GIMENEZ A., 2000
ubvy Photometry of stars with planets.
Astron. & Astrophys., 356, 213.
paper - HAN I., BLACK D. & GATEWOOD G., 2000
Preliminary astrometric masses for proposed exrasolar planetary companions.
ApJ. Letters, 548, 57
paper -
HAUSER H. & MARCY G., 1999
The Orbit of 16 Cygni AB
PASP, 111, 321
paper -
HOLMAN M., TOUMA & TREMAINE S., 1997
Chaotic variations in the eccentricity of the planet orbiting 16 Cygni B
Nature, 386, 254
-
KAMPER K.,1996
Astrometric evidence that the mass of the companion to 16 Cyg B is substellar
Apj. submitted
preprint and fig. -
KATZ J., 1996
Single Close Encounters Do Not Make Eccentric Planetary Orbits
abstract and preprint - LAWS C. & GONZALEZ G., 2001
A Differential Spectroscopic Analysis of 16 Cygni A and B.
ApJ., 553, 405
paper -
MAZEH T., 1996
The high eccentricity of the planet around 16 Cyg B
preprint and Figures - RYAN S, 2000
The Host Stars of Extrasolar Planets Have Normal Lithium Abundances.
MNRAS, in press preprint - TAKEDA Y., SATO B., KAMBE E., AOKI W., HONDA S., KAWANOMOTO S., MASUDA S.,
IZUMIURA H., WATANABE E., KOYANO H., MAEHARA H., NORIMOTO Y., OKADA T.,
SHIMIZU Y., URAGUCHI F., YANAGIZAWA K. YOSHIDA M., NIYAMA S. & ANDO H., 2001
Photospheric Abundances of Volatile and Refractory Elements in Planet-Harboring Stars.
PASJ, 53, 1211
paper
- BUTLER P. & MARCY G., 1996
- Other Web pages:
- Velocity curves from Lick Observatory
The star:
- Distance: ~ 21.4 pc
- Spectral type: G2.5V
- Apparent magnitude: mV = 6.20
- Absolute luminosity:
- Coordinates (2000): RA = 19 41 51.8, DEC = +50 31 03
- Metallicity: [Fe/H]= 0.09
- Mass (M_sun): M= 1.01
- More data:
- Basic Data (from simbad )
- Most recent refs. (from ADS; enter ` HR 7504 ' in the `objects' field)
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