K2-18
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star in the constellation Leo
Eksteraj rimedoj
| identigilo en SIMBAD | |
| identigilo en Scio-Grafo de Google |
maso
0,36±0,05 Suna maso[2]
kataloga numero
PM J11302+0735[1]
katalogo: 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]
katalogo: CARMENES input catalogue of M dwarfs. I. Low-resolution spectroscopy with CAFOS
distanco al Tero
38,1±0,0386 parseko[4]
paralakso
26,2469±0,0266 miliarksekundo[4]
declination component of proper motion
−133,007±0,023 miliarksekundo en jaro[4]
right ascension component of proper motion
−80,479±0,026 miliarksekundo en jaro[4]
radiusa rapido
0,328 kilometro en sekundo[5]
tipo de varia stelo
rotacia varia stelo[6]
stelklaso
M3V[7]
ŝajna magnitudo
metallicity
−0,19[9]
radiuso
0,41±0,04 Suna radiuso[2]
rektascensio
172,56049060233 grado[4]
deklinacio
7,58840426347 grado[4]
efektiva temperaturo
3 565 kelvino[9]
surfaca gravito
13 800 centimetro en kvadrata sekundo[1]
Komuneja kategorio
K2-18
Referenco
- ↑ 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