Spectraalklasse: verschil tussen versies

Verwijderde inhoud Toegevoegde inhoud
nog zo'n raar ding
Jelle Gouw (overleg | bijdragen)
Regel 11:
 
== Kenmerken van de verschillende klassen ==
{| class="wikitable"
{|align="center" cellpadding=2 style="border: 1px solid grey;margin:1em"
!align=center|klasse
!align=left|temperatuur
!align=left|kenmerken
|-
! Klasse
|align=center style="background:#CCCCFF"|'''W'''
! [[Effectieve temperatuur]]
|30 000 - 60 000 K
! abbr="color" | Conventional kleur description
|[[Wolf-Rayetster]], geen helium-absorptielijnen, wel van koolstof of stikstof
! abbr="color" | Actuelle kleur
|-
! [[zonnemassa|Massa]]
|align=center style="background:#CCCCFF"|'''O'''
! [[zonneradius|Radius]]
|30 000 - 50 000 K
! [[Lichtkracht]]
|absorptielijnen van geïoniseerd helium
! Waterstoflijnen
|-
! Percentage van alle [[hoofdreeks]] [[Ster (hemellichaam)|sterren]]
|align=center style="background:#EEEEFF"|'''B'''
|- style="background:#9db4ff;"
|10 500 - 28 000 K
! style="background: #9db4ff" | [[Type-O hoofdreeksster|O]]
|absorptielijnen van neutraal helium
| ≥ 30,000 K
|-
|align=center style="background:#FFFFFF9db4ff;" |'''A''' blauw
| blauw
|7500 - 10 000 K
| ≥&nbsp;16 [[zonnemassa|M<sub>☉</sub>]]
|sterke absorptielijnen van waterstof, [[calcium]] (Ca II)
| ≥&nbsp;6.6 [[zonneradius|R<sub>☉</sub>]]
|-
| ≥&nbsp;30,000 [[lichtkracht|L<sub>☉</sub>]]
|align=center style="background:#FFFFF4"|'''F'''
| Zwak
|6100 - 7400 K
| ~0.00003%
|Calcium (Ca II), metalen
|- style="background:#cad7ff;"
|-
|align=center! style="background:#FFFFE8cad7ff;"|'''G''' [[Type-B hoofdreeksster|B]]
| 10,000–30,000&nbsp;K
|5000 - 6050 K
| style="background:#cad7ff;" | blauw wit
|Calcium (Ca II), ijzer, andere metalen
| diep blauw wit
|-
| 2.1–16 [[zonnemassa|M<sub>☉</sub>]]
|align=center style="background:#FFEECC"|'''K'''
| 1.8–6.6 [[zonneradius|R<sub>☉</sub>]]
|3550 - 4900 K
| 25–30,000 [[lichtkracht|L<sub>☉</sub>]]
|Sterke metaallijnen, ook lijnen van CH en CN moleculen, later TiO
| Medium
|-
| 0.13%
|align=center style="background:#FFBBAA"|'''M'''
|- style="background:#f8f7ff;"
|2500 - 3500 K
! style="background:#f8f7ff;"| [[Type-A hoofdreeksster|A]]
|absorptiebanden van TiO, "[[rode dwerg]]en"
| 7,500–10,000&nbsp;K
|-
|align=center style="background:#F8E8CCf8f7ff;" |'''R''' wit
| blauw wit
|als G en K
| 1.4–2.1 [[zonnemassa|M<sub>☉</sub>]]
|absorptiebanden van moleculaire koolstof
| 1.4–1.8 [[zonneradius|R<sub>☉</sub>]]
|-
| 5–25 [[lichtkracht|L<sub>☉</sub>]]
|align=center style="background:#F89977"|'''N'''
| Sterk
| 0.6%
|- style="background:#fcf4d8;"
! style="background:#fcf4d8;"| [[Type-F hoofdreeksster|F]]
| 6,000–7,500&nbsp;K
| style="background:#fcf4d8;" | geel wit
| wit
| 1.04–1.4 [[zonnemassa|M<sub>☉</sub>]]
| 1.15–1.4 [[zonneradius|R<sub>☉</sub>]]
| 1.5–5 [[lichtkracht|L<sub>☉</sub>]]
| Medium
| 3%
|- style="background:#fff2a1;"
! style="background:#fff2a1;"| [[Type-G hoofdreeksster|G]]
| 5,200–6,000&nbsp;K
| style="background:#fff2a1;" | geel
| geel
| 0.8–1.04 [[zonnemassa|M<sub>☉</sub>]]
| 0.96–1.15 [[zonneradius|R<sub>☉</sub>]]
| 0.6–1.5 [[lichtkracht|L<sub>☉</sub>]]
| Zwak
| 7.6%
|- style="background:#ffe46f;"
! style="background:#ffe46f;"| [[Type-K hoofdreeksster|K]]
| 3,700–5,200&nbsp;K
| style="background:#ffe46f;" | oranje
| oranje
| 0.45–0.8 [[zonnemassa|M<sub>☉</sub>]]
| 0.7–0.96 [[zonneradius|R<sub>☉</sub>]]
| 0.08–0.6 [[lichtkracht|L<sub>☉</sub>]]
| Zeer zwak
| 12.1%
|- style="background:#ffa040;"
! style="background:#ffa040;"| [[Type-M hoofdreeksster|M]]
| 2,400–3,700&nbsp;K
| style="background:#ffa040; | rood
| rood
| 0.08–0.45 [[zonnemassa|M<sub>☉</sub>]]
| ≤&nbsp;0.7 [[zonneradius|R<sub>☉</sub>]]
| ≤&nbsp;0.08 [[lichtkracht|L<sub>☉</sub>]]
| Zeer zwak
| 76.45%
|- style="background:#ff6060;"
! style="background:#ff6060;"| [[bruine dwerg|L]]
| 1,300–2,400&nbsp;K
| style="background:#ff6060; | rood bruin
| style="background:#ff6060; | scarlet
| 0.005–0.08 [[zonnemassa|M<sub>☉</sub>]]
| 0.08–0.15 [[zonneradius|R<sub>☉</sub>]]
| 0.000,05–0.001 [[lichtkracht|L<sub>☉</sub>]]
| Extreem zwak
|
|- style="background:#ff4080;"
! style="background:#ff4080;"| [[Bruine dwerg|T]]
| 500–1,300&nbsp;K
| style="background:#ff4080; | bruin
| style="background:#ff4080; | magenta
| 0.001–0.07 [[zonnemassa|M<sub>☉</sub>]]
| 0.08–0.14 [[zonneradius|R<sub>☉</sub>]]
| 0.000,001–0.000,05 [[lichtkracht|L<sub>☉</sub>]]
| Extreem zwak
|
|- style="background:#9366B4;"
! style="background:#9366B4;"| [[bruine dwerg|Y]]
| ≤&nbsp;500&nbsp;K
| style="background:#9366B4; | donkerbruin
| style="background:#9366B4; | zwart
| 0.0005–0.02 [[zonnemassa|M<sub>☉</sub>]]
| 0.08–0.14 [[zonneradius|R<sub>☉</sub>]]
| 0.000,000,1–0.000,001 [[lichtkracht|L<sub>☉</sub>]]
| Extreem zwak
|
|sterke absorptie van koolstof en koolstofverbindingen
|-
|align=center style="background:#EEBBAA"|'''S'''
|als M
|absorptiebanden van zirkoonoxide
|-
|align=center style="background:#AA9977"|'''L'''
|koeler dan M
|variatie in absorptiespectra, "[[bruine dwerg]]en"
|-
|align=center colspan=3|<small>''kleuren slechts ter indicatie''</small>
|}