Integrative Levels Classification project ILC2 developing schedules how it works builder meetings people references
ILC class hl91n

ILC developing version
Expanded class hl91n

   ▲  broader class

▽ ⌕         hl91n                      young stellar objects
 
Connected classes:
 
 hlU           the Sun  ← hld hl91n 

specificity 
current: 99 

   
Move to another main class:
a b c d e f g h i j k l m n o p q r s t u v w x y

or

or insert a term and do a new

ILC developing version — ISKO Italia <https://www.iskoi.org/ilc/> : 2006.03.06 - 2026.05.14 -