Kepler-18c (Q3195373)

False positive probabilities for all Kepler objects of interest: 1284 newly validated planets and 428 likely false positives

Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2

Densities and eccentricities of 139 Kepler planets from transit time variations

Transit timing observations from Kepler. IX. Catalog of the full long-cadence data set

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

unconfirmed exoplanet

2 references

SIMBAD

Planetary candidates observed by Kepler. V. Planet sample from Q1-Q12 (36 months)

mass

0.054±0.006 Jupiter mass

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

0.058±0.008 Jupiter mass

1 reference

Densities and eccentricities of 139 Kepler planets from transit time variations

Kepler object of interest

catalog code

KOI-137.01

catalog

3 references

Kepler object of interest

Kepler-18c

1 reference

KOI-137c

2 references

imported from Wikimedia project

TIC 273690178c

1 reference

discoverer or inventor

Kepler

1 reference

Spanish Wikipedia

time of discovery or invention

November 2011

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

2 references

inferred from equatorial coordinates

constellation

Cygnus

1 reference

based on heuristic

parent astronomical body

4 references

An abundance of small exoplanets around stars with a wide range of metallicities

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

object stated in reference as

Kepler-18

object stated in reference as

Kepler-18

M sin i

0.0621137324±0.0154534472 Jupiter mass

1 reference

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

orbital eccentricity

0.0

3 references

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

orbital inclination

87.68±0.22 degree

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

orbital period

7.64156219±0.00000057 day

1 reference

Transit timing observations from Kepler. IX. Catalog of the full long-cadence data set

7.641571533±0.000001787 day

1 reference

False positive probabilities for all Kepler objects of interest: 1284 newly validated planets and 428 likely false positives

7.642 day

1 reference

Densities and eccentricities of 139 Kepler planets from transit time variations

7.641571533 day

1 reference

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

7.64159±0.00003 day

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

semi-major axis of an orbit

0.07549406513 astronomical unit

1 reference

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

0.0752±0.0011 astronomical unit

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

declination component of proper motion

parallax

2.2804±0.0168 milliarcsecond

2 references

−20.313±0.028 milliarcsecond per year

2 references

right ascension component of proper motion

−1.432±0.031 milliarcsecond per year

2 references

0.49±0.023 Jupiter radius

1 reference

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION,WARM-SPITZERPHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS

4.99±0.39 Earth radius

1 reference

False positive probabilities for all Kepler objects of interest: 1284 newly validated planets and 428 likely false positives

4.295±0.185 Earth radius

1 reference

Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2

0.466±0.032 Jupiter radius

1 reference

Densities and eccentricities of 139 Kepler planets from transit time variations

4.267±0.106 Earth radius

1 reference

The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

3 references