Kepler-160

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Star
Kepler-160
AladinLite
Observation
dates equinoxJ2000.0 , epoch : J2000.0
Constellation lyre
Right ascension 19 h 11 m 5.65 s
declination + 42 ° 52 ′ 9.5 ″
Apparent brightness 13,101 likes
Typing
Astrometry
parallax 1.0385 ± 0.0183  mas
distance 3140 ± 60  years
Proper movement 
Rec. Share: 3.476 ± 0.032  mas / a
Dec. portion: -5.212 ± 0.035  mas / a
Physical Properties
Dimensions 0.88 ± 0.43  M
radius 1.118 +0.015−0.045 R
Luminosity

1.01 ± 0.05  L

Effective temperature 5471 +115−37 K
Metallicity [Fe / H] -0.361 dex
Other names
and catalog entries
2MASS catalog 2MASS J19110565 + 4252094 [1]
Other names Gaia DR2 2102587087846067712, KOI-456, KIC 7269974

Kepler-160 is a star in the constellation Lyra in the observation area of ​​the Kepler Mission , a NASA- led project to discover Earth-like planets . The star, which is very similar to our sun in mass and radius, has two confirmed, one unconfirmed and at least one suspected planet in its orbit.

Characteristics

The star Kepler-160 is quite old and has no detectable circumstellar disk. The exact metallicity of the star is not known, contradicting values ​​of 40% or 160% of the solar metallicity have been given.

Planetary system

The two planetary candidates in the Kepler-160 system were discovered in 2010, published in early 2011 and confirmed in 2014. The planets Kepler-160b and Kepler-160c are not in orbital resonance , although their orbital period ratio is close to 1: 3. Another rocky transit planet in the habitable zone was discovered in 2020, and other non-passing planets are suspected due to unexplained fluctuations in transit times.

Planetary system from Kepler-160
Planet
(by distance from the star)
Discovery
(year)
Radius
(in )
Cycle time
(in days)
Major semi-axis
(in AU )
Orbit inclination (in °)
Kepler-160b 2010 1.7415 +0.061−0.047 4.309397 +0.000013−0.000012 0.05511 + 0.0019−0.0037 -
Kepler-160c 2010 3.76 +0.23−0.09 13.699429 ± 0.000018 0.1192 + 0.004−0.008 -
KOI-456.04 2020 1.91 +0.17−0.14 378.417 +0.028−0.025 1.089 +0.037−0.073 -

See also

Individual evidence

  1. a b Kepler-160 in the SIMBAD astronomical database at the University of Strasbourg. Retrieved June 5, 2020 .
  2. a b c d René Heller, Michael Hippke, Jantje Freudenthal, Kai Rodenbeck, Natalie M. Batalha, Steve Bryson: Transit least-squares survey . In: Astronomy & Astrophysics . tape 638 , 2020, doi : 10.1051 / 0004-6361 / 201936929 .
  3. ^ SM Lawler, B. Gladman: Debris Disks Inkeplerexoplanet Systems . In: The Astrophysical Journal . 752, No. 1, 2012. arxiv : 1112.0368 . bibcode : 2012ApJ ... 752 ... 53L . doi : 10.1088 / 0004-637X / 752/1/53 .
  4. Jason F. Rowe, Stephen T. Bryson: Validation Ofkepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-Planet Systems . In: The Astrophysical Journal . 784, No. 1, 2014. arxiv : 1402.6534 . bibcode : 2014ApJ ... 784 ... 45R . doi : 10.1088 / 0004-637X / 784/1/45 .
  5. Erik A. Petigura, Andrew W. Howard: The California-Kepler Survey . I. High-resolution Spectroscopy of 1305 Stars Hosting Kepler Transiting Planets . In: The Astronomical Journal . 154, No. 3, 2017. arxiv : 1703.10400 . bibcode : 2017AJ .... 154..107P . doi : 10.3847 / 1538-3881 / aa80de .
  6. Jack J. Lissauer, Darin Ragozzine, Daniel C. Fabrycky, Jason H. Steffen, Eric B. Ford, Jon M. Jenkins, Avi Shporer, Matthew J. Holman, Jason F. Rowe, Elisa V. Quintana, Natalie M. Batalha, William J. Borucki, Stephen T. Bryson, Douglas A. Caldwell, Joshua A. Carter, David Ciardi, Edward W. Dunham, Jonathan J. Fortney, Thomas N. Gautier III, Steve B. Howell, David G. Koch , David W. Latham, Geoffrey W. Marcy, Robert C. Morehead, Dimitar Sasselov: Architecture and Dynamics of Kepler's Candidate Multiple Transiting Planet Systems . In: The Astrophysical Journal Supplement Series . tape 197 , 2011, doi : 10.1088 / 0067-0049 / 197/1/8 (English).
  7. Kepler-160 in the NASA Exoplanet Archive. Retrieved June 5, 2020 .
  8. Dimitri Veras, Eric B. Ford: Identifying non-resonant Kepler planetary systems . In: Monthly Notices of the Royal Astronomical Society: Letters. tape 420 , 2012 (English).

Coordinates: 19h 11m 05.6526s, + 42 ° 52 ′ 09.4725 ″