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

ILC developing version
Expanded class hl

   ▲  broader class

▽ ⌕         hl       stars  ← gf plasma   ✍
▽ ⌕         hl5C                  star process
▽ ⌕         hl5Cn                      stellar nucleosynthesis
▽ ⌕         hl9             spectral type
▽ ⌕         hl91                  star evolutionary stage
▽ ⌕         hl91k                      protostars
▽ ⌕         hl91n                      young stellar objects
▽ ⌕         hl91p                      main sequence stars
▽ ⌕         hl91q                      neutron stars
▽ ⌕         hl9b                 O; blue
▽ ⌕         hl9c                 B; blue white
▽ ⌕         hl9e                 A; white
▽ ⌕         hl9f                 F; yellow white
▽ ⌕         hl9g                 G; yellow
▽ ⌕         hl9k                 K; orange
▽ ⌕         hl9m                 M; red
▽ ⌕         hl9r                 L
▽ ⌕         hl9t                 T
▽ ⌕         hlU            the Sun  ← hld dwarf stars hl91n young stellar objects
▽ ⌕         hlb            subdwarf stars
▽ ⌕         hld            dwarf stars
▽ ⌕         hlf            subgiant stars
▽ ⌕         hlg            giant stars
▽ ⌕         hlh            bright giant stars
▽ ⌕         hlj            supergiant stars
▽ ⌕         hlk            hypergiant stars
 
Connected classes:
 
 hlU           the Sun  ← hld hl91n 
 hpU           solar planets  ← hlU 
 hqdU                solar dwarf planets  ← hlU 
 hqn           centaurs  ← hlU 
 htU           the Solar system  ← hlU 
 hu      star clusters; stellar clusters  ← hl 
 r3v           solar power; solar energy  ← hlU 

specificity 
current: 99 

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