Notes for HR 7504 = 16 Cyg B =HD 186427
by
Jean Schneider
update: 29 March 2005
The planet(s):
- Detection method: Radial Velocity
- basic data:
| Name: |
HD 16CygB b |
| M.sini: |
1.69 MJ |
| Semi-major axis: |
1.67 AU |
| Orbital period: |
798.938 d. |
| Eccentricity: |
0.67 |
| Omega (deg): |
84 |
| T_peri (JD-2450000): |
540.14 |
| Inclination: |
- |
- Remark:
20 apr. 03: Planet in wide (a ~850 AU) binary system
(Eggenberger et al 2003)
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:
- BEICHMAN C., BRYDEN G., PIEKE G., STANSBERRY J., TRILLING D., STAPELFELDT K.,
WERNER M., ENGELBRECHT C., BLAYLOCK M., GORDON K., CHEN C., SU K. & HINES D.,
2004
Planets and IR Excesses: Preliminary Results from a Spitzer MIPS Survey of
Solar-Type Stars.
ApJ. , 622, 1160
paper
- 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
- EGGENBERGER A., UDRY S. & MAYOR M., 2003
Planets in binaries.
in Scientific Frontiers in Research on Extrasolar Planets,
ASP Conference Series. D.Deming and S.Seager, eds.
paper
- GIMENEZ A., 2000
ubvy Photometry of stars with planets.
Astron. & Astrophys., 356, 213.
paper
-
GREAVES J., HOLLAND W., JAYAWARDHANA R.,DENT W., WYATT M ., 2004
A search for debris discs around stars with giant planets.
MNRAS, 348, 1078
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
- 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:
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Extra-solar Planets Catalog