IC 21

Summary

IC 21 is a low-ionization nuclear emission-line region^[1].

Key Facts

• IC 21 is credited with the discovery of Stéphane Javelle^[2].
• IC 21's image is recorded as IC21 - SDSS DR14.jpg^[3].
• IC 21's instance of is recorded as low-ionization nuclear emission-line region^[4].
• IC 21's constellation is recorded as Cetus^[5].
• IC 21's Commons category is recorded as IC 21^[6].
• IC 21's catalog code is recorded as IC 21^[7].
• IC 21's catalog code is recorded as PGC 1785^[8].
• IC 21's catalog code is recorded as MCG+00-02-053^[9].
• IC 21's catalog code is recorded as 2MASX J00291043-0009490^[10].
• IC 21's catalog code is recorded as 6dFGS gJ002910.4-000949^[11].
• IC 21's catalog code is recorded as SDSS J002910.42-000949.6^[12].
• IC 21's catalog code is recorded as LEDA 1785^[13].
• IC 21's catalog code is recorded as 3XMM J002910.4-000949^[14].
• IC 21's catalog code is recorded as Gaia DR2 2543623913527630976^[15].
• IC 21's time of discovery or invention is recorded as +1891-11-07T00:00:00Z^[16].
• IC 21's redshift is recorded as {'amount': '+0.06080'}^[17].
• IC 21's apparent magnitude is recorded as {'amount': '+18.5821'}^[18].
• IC 21's apparent magnitude is recorded as {'amount': '+13.047'}^[19].
• IC 21's apparent magnitude is recorded as {'amount': '+12.415'}^[20].
• IC 21's apparent magnitude is recorded as {'amount': '+12.112'}^[21].
• IC 21's apparent magnitude is recorded as {'amount': '+14.5'}^[22].
• IC 21's apparent magnitude is recorded as {'amount': '+16.707'}^[23].
• IC 21's apparent magnitude is recorded as {'amount': '+15.195'}^[24].
• IC 21's apparent magnitude is recorded as {'amount': '+14.475'}^[25].
• IC 21's apparent magnitude is recorded as {'amount': '+14.076'}^[26].

Body

Works and Contributions

IC 21 is credited with the discovery of Stéphane Javelle^[2].