Kepler-65: Difference between revisions

Kepler-65
Observation data; Epoch Equinox
Constellation
Right ascension	19:14:45.3
Declination	+41:09:04.2
Apparent magnitude (V)	11.018
Characteristics
Astrometry
Details
Mass	1.25 M☉
Radius	1.41 R☉
Temperature	6211 K
Metallicity [Fe/H]	+0.17 dex
Other designations
	Kepler-65, KOI-85

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Revision as of 09:15, 11 October 2015

Kepler-65 is a star slightly more massive than the Sun and has at least three planets.

Planetary system

Three planets were announced in 2013. All three planets orbit very close to their star. Follow-up radial velocity measurements provided data too noisy to constrain the mass of planets.^[1] Follow-up transit-timing variation analysis helped to measure the mass of Kepler-65d which revealed that it has significantly lower density than Earth.^[2]

The planetary system
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	—	0.035	2.154910	—	79.07°	1.42 $R$ _🜨
c	<20 $M$ _🜨	0.068	5.859944	—	83.65°	2.58 $R$ _🜨
d	2 $M$ _🜨	0.084	8.131146	—	84.8°	1.52 $R$ _🜨

External links

References

^ Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65: W. J. Chaplin, R. Sanchis-Ojeda, T. L. Campante, R. Handberg, D. Stello, J. N. Winn, S. Basu, J. Christensen-Dalsgaard, G. R. Davies, T. S. Metcalfe, L. A. Buchhave, D. A. Fischer, T. R. Bedding, W. D. Cochran, Y. Elsworth, R. L. Gilliland, S. Hekker, D. Huber, H. Isaacson, C. Karoff, S. D. Kawaler, H. Kjeldsen, D. W. Latham, M. N. Lund, M. Lundkvist, G. W. Marcy, A. Miglio, T. Barclay, J. J. Lissauer
^ http://arxiv.org/abs/1310.7942

[1] Asteroseismic determination of obliquities of the exoplanet systems Kepler-50 and Kepler-65: W. J. Chaplin, R. Sanchis-Ojeda, T. L. Campante, R. Handberg, D. Stello, J. N. Winn, S. Basu, J. Christensen-Dalsgaard, G. R. Davies, T. S. Metcalfe, L. A. Buchhave, D. A. Fischer, T. R. Bedding, W. D. Cochran, Y. Elsworth, R. L. Gilliland, S. Hekker, D. Huber, H. Isaacson, C. Karoff, S. D. Kawaler, H. Kjeldsen, D. W. Latham, M. N. Lund, M. Lundkvist, G. W. Marcy, A. Miglio, T. Barclay, J. J. Lissauer

[2] ttp://arxiv.org/abs/1310.7942

[1]

[2]

@@ Line 44: / Line 44: @@
 {{OrbitboxPlanet begin
-| name = KOI-85
+| name =
 | table_ref=
 }}
 {{OrbitboxPlanet
-| exoplanet = b
+| exoplanet = [[Kepler-65b|b]]
 | mass =
 | period = 2.154910
@@ Line 56: / Line 56: @@
 | radius_earth = 1.42}}
 {{OrbitboxPlanet
-| exoplanet = c
+| exoplanet = [[Kepler-65c|c]]
 | mass_earth = <20
 | semimajor = 0.068
@@ Line 65: / Line 65: @@
 }}
 {{OrbitboxPlanet
-| exoplanet = d
+| exoplanet = [[Kepler-65|d]]
 | mass_earth = 2
 | semimajor = 0.084