K2-18
star in the constellation Leo
màs
0.36±0.05 solar mass[2]
cod catalogio
PM J11302+0735[1]
catalog: Catalogs of proper-motion stars. I. Stars brighter than visual magnitude 15 and with annual proper motion of 1" or more
Karmn J11302+076[1]
catalog: CARMENES input catalogue of M dwarfs. I. Low-resolution spectroscopy with CAFOS
is-wrthrych seryddol
K2-18b
trefnolyn: b
K2-18c
trefnolyn: c
pellter o'r Ddaear
38.1±0.0386 parsec[4]
paralacs
26.2469±0.0266 milliarcsecond[4]
declination component of proper motion
−133.007±0.023 milliarcsecond per year[4]
right ascension component of proper motion
−80.479±0.026 milliarcsecond per year[4]
cyflymder rheiddiol
0.328 cilometr yr eiliad[5]
type of variable star
rotating variable star[6]
spectral class
M3V[7]
maint
metallicity
−0.19[9]
radiws
0.41±0.04 solar radius[2]
esgyniad
172.56049060233 degree[4]
gogwydd
7.58840426347 degree[4]
tymheredd effeithiol
3,565 Kelvin[9]
surface gravity
13,800 centimetre per square second[1]
categori Comin
K2-18
Cyfeiriadau
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 SIMBAD
- ↑ 2.0 2.1 2.2 2.3 Extrasolar Planets Encyclopaedia, k2_18_b--3953
- ↑ inferred from equatorial coordinates
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 Gaia Early Data Release 3, SIMBAD
- ↑ The CARMENES search for exoplanets around M dwarfs. High-resolution optical and near-infrared spectroscopy of 324 survey stars, SIMBAD
- ↑ CARMENES input catalogue of M dwarfs, SIMBAD
- ↑ Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17, SIMBAD
- ↑ VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012), SIMBAD
- ↑ 9.0 9.1 The CARMENES search for exoplanets around M dwarfs. Stellar atmospheric parameters of target stars with SteParSyn, SIMBAD
- ↑ Gaia Data Release 2