K2-18

Summary

K2-18 is a star^[1]. K2-18 ranks in the top 2% of star entities by monthly Wikipedia readership (99 views/month).^[2]

Key Facts

• K2-18's image is recorded as K2-18 seen by SDSS.jpg^[3].
• K2-18's instance of is recorded as star^[4].
• K2-18's instance of is recorded as near-infrared source^[5].
• K2-18's constellation is recorded as Leo^[6].
• K2-18's spectral class is recorded as M3V^[7].
• K2-18's Commons category is recorded as K2-18^[8].
• K2-18's child astronomical body is recorded as K2-18 b^[9].
• K2-18's child astronomical body is recorded as Q113592742^[10].
• K2-18's catalog code is recorded as UCAC4 488-054338^[11].
• K2-18's catalog code is recorded as 2MASS J11301450+0735180^[12].
• K2-18's catalog code is recorded as Gaia DR2 3910747531814692736^[13].
• K2-18's catalog code is recorded as PM J11302+0735^[14].
• K2-18's catalog code is recorded as Gaia DR3 3910747531814692736^[15].
• K2-18's catalog code is recorded as TIC 388804061^[16].
• K2-18's catalog code is recorded as Karmn J11302+076^[17].
• K2-18's catalog code is recorded as K2-18^[18].
• K2-18's catalog code is recorded as EPIC 201912552^[19].
• K2-18's type of variable star is recorded as rotating variable star^[20].
• K2-18's apparent magnitude is recorded as {'amount': '+15.01'}^[21].
• K2-18's apparent magnitude is recorded as {'amount': '+13.50'}^[22].
• K2-18's apparent magnitude is recorded as {'amount': '+13.24'}^[23].
• K2-18's apparent magnitude is recorded as {'amount': '+9.763'}^[24].
• K2-18's apparent magnitude is recorded as {'amount': '+9.135'}^[25].
• K2-18's apparent magnitude is recorded as {'amount': '+8.899'}^[26].
• K2-18's apparent magnitude is recorded as {'amount': '+14.22'}^[27].

Body

Designation and Status

Recorded instance of include star^[4] and near-infrared source^[5].

History and Context

Catalog codes include UCAC4 488-054338^[11], 2MASS J11301450+0735180^[12], Gaia DR2 3910747531814692736^[13], PM J11302+0735^[14], Gaia DR3 3910747531814692736^[15], and TIC 388804061^[16].

Why It Matters

K2-18 ranks in the top 2% of star entities by monthly Wikipedia readership (99 views/month).^[2] K2-18 has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.^[28]