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EntityQ47471235· pop 9· linked from 249 articles

K2-138, also designated EPIC 245950175 or EE-1, is a large early K-type main sequence star with a system of at least 6 planets discovered by citizen scientists. Four were found in the first two days of the Exoplanet Explorers project on Zooniverse in early April 2017, while two more were revealed in further analysis. The system is about away in the constellation Aquarius, within K2 Campaign 12.

Astronomical data · SIMBAD

Object type
*
Distance
660 light-years
Redshift
z = 0.000003902707529368499
Coordinates
RA 348.9490° · Dec -10.8497°
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via SIMBAD · CDS Strasbourg

Wikidata facts

Constellation
Aquarius
Distance from Earth
183
Radius
0.86
Mass
0.93
Show 15 more facts
effective temperature
5378
apparent magnitude
12.022232
metallicity
0.16
radial velocity
1.57
parallax
4.925
epoch
J2000.0
catalog code
EPIC 245950175
right ascension
348.9490358616
surface gravity
34100
luminosity
0.5169639
right ascension component of proper motion
-1.08
declination component of proper motion
-10.675
spectral class
K1 V
declination
-10.84969318369
Commons category
K2-138

via Wikidata · CC0

~5 min read

Encyclopedic overview

4 sections
Contents
  • Planetary system
  • See also
  • Note
  • References

K2-138, also designated EPIC 245950175 or EE-1, is a large early K-type main sequence star with a system of at least 6 planets discovered by citizen scientists. Four were found in the first two days of the Exoplanet Explorers project on Zooniverse in early April 2017, while two more were revealed in further analysis. The system is about away in the constellation Aquarius, within K2 Campaign 12.

==Planetary system==

Excerpted from Wikipedia’s “Q47471235” article, available under the CC BY-SA 4.0 licence.

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