Kepler-66

Short description: Star in the constellation Cygnus

Kepler-66  Observation data
Equinox J2000.0]] (ICRS)

Constellation | Cygnus
Right ascension |  19h 35m 55.5743s[1]
Declination | +46° 41′ 15.957″[1]
Apparent magnitude (V) | 15.3
Characteristics
Spectral type | G0V
Astrometry
Proper motion (μ)|  RA: −3.443±0.049[1] mas/yr
Dec.: −8.784±0.045[1] mas/yr
Parallax (π)| 0.8030 ± 0.0256[1] mas
Distance| 4,100 ± 100 ly
(1,250 ± 40 pc)
Details
Mass| 1.038 ± 0.044 M☉
Radius| 0.966 ± 0.042 R☉
Temperature| 5962 ± 79 K
Metallicity [Fe/H]| 0.012 ± 0.003 dex
Rotation| 10.527±0.011 days[2]
Age| 1 ± 0.17 Gyr
Other designations

KOI-1958, KIC 9836149[3]

Database references
SIMBAD| data
Extrasolar Planets
Encyclopaedia| data

Kepler-66 is a star with slightly more mass than the Sun in the NGC 6811 open cluster in the Cygnus constellation. It has one confirmed planet, slightly smaller than Neptune, announced in 2013.

## Planetary system

The Kepler-66 planetary system  Companion
(in order from star) | Mass | Semimajor axis
(AU) | Orbital period
(days) | Eccentricity | Inclination | Radius

|
|
|
|
|
|

b | 0.31 MJ | 0.1352  | 17.815815  | —  | —  | 2.80 R⊕

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
2. ↑ McQuillan, A.; Mazeh, T.; Aigrain, S. (2013). "Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators". The Astrophysical Journal Letters 775 (1): L11. doi:10.1088/2041-8205/775/1/L11. Bibcode: 2013ApJ...775L..11M.
3. ↑ "KOI-1958". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=KOI-1958.

## External links

* Kepler-66, The Open Exoplanet Catalogue
* Kepler 66, Exoplanet.eu

* v
* t
* e

Constellation of Cygnus

* List of stars in Cygnus

Stars|

| Bayer|

* α (Deneb)
* β (Albireo)
* γ (Sadr)
* δ (Fawaris)
* ε (Aljanah)
* ζ
* η
* θ
* ι1
* ι2
* κ
* λ
* μ
* ν
* ξ
* π1 (Azelfafage)
* π2
* ρ
* σ
* τ
* υ
* φ
* χ
* ψ
* ω1
* ω2
* P
* Q

|

Flamsteed|

* 2
* 4
* 8
* 9
* 14
* 15
* 16 (c)
* 17
* 20 (d)
* 22
* 23
* 26 (e)
* 27 (b1)
* 28 (b2)
* 29 (b3)
* 30
* 31
* 32
* 33
* 35
* 39
* 41
* 47
* 52
* 55
* 56
* 57
* 59 (f1)
* 61
* 63 (f2)
* 68 (A)
* 71 (g)
* 72
* 74
* 75

Variable|

* R
* T
* W
* RW
* SS
* TT
* BC
* BI
* CH
* KY
* V404
* V476
* V1057
* V1143
* V1191
* V1489
* V1500
* V1668
* V1974
* V2513

HR|

* 7633
* 7912
* 8193

HD|

* 185269
* 185435
* 187123
* 188753
* 191806

Gliese|

* 777
* 806
* 1245

Kepler|

* 5
* 6
* 11
* 15
* 16
* 17
* 18
* 22
* 23
* 27
* 28
* 29
* 31
* 32
* 33
* 34
* 35
* 36
* 39
* 40
* 41
* 42
* 43
* 44
* 45
* 47
* 51
* 56
* 61
* 66
* 67
* 68
* 69
* 70
* 78
* 80
* 84
* 86
* 89
* 107
* 182
* 186
* 223
* 371
* 419
* 432
* 451
* 452
* 1229
* 1520
* 1625

Other|

* AFGL 2591
* BD+40° 4210
* BD+43 3654
* Cygnus OB2 #8A
* Cygnus OB2 #12
* Cygnus X-1
* Cygnus X-3
* G 208-44
* G 208-45
* HAT-P-7
* HAT-P-11
* HAT-P-17
* KELT-9
* KIC 8462852
* KIC 9832227
* KIC 11026764
* KOI-74
* KOI-81
* KOI-256
* KPD 1930+2752
* MWC 349
* N6946-BH1
* NML Cygni
* PH1
* PSR J2032+4127
* W75N(B)-VLA2
* WISE J2000+3629
* WR 134
* WR 135
* WR 136
* WR 137
* WR 140
* WR 142
* WR 147
* WR 148

Former|

* 3

Star
clusters|

| Association|

* Cygnus OB2
* Cygnus OB7

|

Open|

* DR 6
* IC 5146
* Messier 29
* Messier 39
* NGC 6811
* NGC 6819
* NGC 6834
* NGC 6866
* NGC 6871
* NGC 6910

Molecular
clouds|

* Cygnus X (including DR 21)

Nebulae|

| Dark|

* Barnard 146
* Barnard 147
* IC 5146
* L1014

|

H II|

* NGC 6914
* North America Nebula
* Pelican Nebula
* Sadr Region
* Sh2-101
* Sh2-106

Planetary|

* Abell 78
* Egg Nebula
* IRAS 19475+3119
* Kronberger 61
* M1-92
* NGC 6826
* NGC 6881
* NGC 6884
* NGC 7008
* NGC 7026
* NGC 7027
* NGC 7048
* Soap Bubble Nebula

WR|

* Crescent Nebula

SNR|

* Cygnus Loop (including Veil Nebula)

Galaxies|

| NGC|

* 6801
* 6946
* 7013

|

Other|

* 3C 438
* Cygnus A

* v
* t
* e

2013 in space

* « 2012

2014 »

Launches|

| Space probes|

* LADEE
* Mars Orbiter Mission
* MAVEN
* Chang'e 3
* Yutu

|

Space observatories|

* IRIS
* Hisaki
* Gaia

Impact events|

* Chelyabinsk meteor
* Chelyabinsk meteorite

Novae|

* Nova Centauri 2013
* V339 Delphini

Comets|

* C/2011 L4 (PANSTARRS)
* C/2012 F6 (Lemmon)
* C/2012 K1 (PANSTARRS)
* C/2012 S1 (ISON)
* C/2013 A1 (Siding Spring)
* P/2013 P5 (PANSTARRS)
* C/2013 R1 (Lovejoy)

NEOs|

* Asteroid close approaches
* (7888) 1993 UC
* (52760) 1998 ML14
* (285263) 1998 QE2
* (163364) 2002 OD20
* (277475) 2005 WK4
* 2006 BL8
* (471240) 2011 BT15
* 2012 YQ1
* 2013 EC
* 2013 ET
* (511002) 2013 MZ5
* 2013 PJ10
* 2013 TV135
* 2013 XY8
* 2013 YP139
* 367943 Duende
* 3361 Orpheus

Exoplanets|

* DENIS-P J082303.1−491201 b
* Gliese 504 b
* Gliese 667 Cd
* Gliese 667 Ce
* Gliese 667 Cf
* Gliese 667 Cg
* Gliese 667 Ch
* HD 106906 b
* HD 95086 b
* Kepler-37b
* Kepler-37c
* Kepler-37d
* Kepler-61b
* Kepler-62b
* Kepler-62c
* Kepler-62d
* Kepler-62e
* Kepler-62f
* Kepler-65
* Kepler-66
* Kepler-67
* Kepler-68b
* Kepler-68c
* Kepler-68d
* Kepler-69b
* Kepler-69c
* Kepler-76b
* Kepler-78b
* Kepler-87c
* PSO J318.5-22
* ROXs 42Bb

Miscellaneous|

* GRB 130427A
* Hercules–Corona Borealis Great Wall
* Herschel Space Observatory (end of mission)
* The Day the Earth Smiled

* Category:2012 in space — Category:2013 in space — Category:2014 in space

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