恒星スペクトル分類 - TOML

[[items]]
code = "O"
slug = "o-type"
name = "O型星"
description = "最も高温で大質量の青色巨星です。"
abundance_percent = "<1"
color = "青色"
example_stars = "[\"Zeta Ophiuchi\",\"Lambda Orionis\",\"Theta1 Orionis C\"]"
lifespan = "500万〜600万年"
mass_solar_max = 150
mass_solar_min = 16
mass_solar_typical = 30
temperature_max_kelvin = 50000
temperature_min_kelvin = 28000
temperature_note = "一部の準矮星は100,000Kを超えることもある"
temperature_typical_kelvin = ""
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "B"
slug = "b-type"
name = "B型星"
description = "高温の青白色の大質量星です。"
abundance_percent = "0.13"
color = "青白色"
example_stars = "[\"Rigel\",\"Spica\",\"Regulus\"]"
lifespan = "約3億年"
mass_solar_max = 16
mass_solar_min = 2.1
mass_solar_typical = 7
temperature_max_kelvin = 30000
temperature_min_kelvin = 10000
temperature_note = ""
temperature_typical_kelvin = 15000
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "A"
slug = "a-type"
name = "A型星"
description = "水素線が最も強い白色星です。"
abundance_percent = "0.625"
color = "白色"
example_stars = "[\"Sirius A\",\"Vega\",\"Altair\",\"Fomalhaut\"]"
lifespan = "10〜20億年"
mass_solar_max = 2.1
mass_solar_min = 1.4
mass_solar_typical = 1.7
temperature_max_kelvin = 10000
temperature_min_kelvin = 7400
temperature_note = ""
temperature_typical_kelvin = 8500
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "F"
slug = "f-type"
name = "F型星"
description = "黄白色の中間的な温度の星です。"
abundance_percent = "3"
color = "黄白色"
example_stars = "[\"Procyon A\",\"Polaris Aa\",\"Canopus\"]"
lifespan = "40〜80億年"
mass_solar_max = 1.4
mass_solar_min = 1
mass_solar_typical = 1.2
temperature_max_kelvin = 7500
temperature_min_kelvin = 6000
temperature_note = ""
temperature_typical_kelvin = 6700
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "G"
slug = "g-type"
name = "G型星（黄色矮星）"
description = "太陽と同じタイプの黄色い主系列星です。"
abundance_percent = "7.5"
color = "黄色"
example_stars = "[\"Sun\",\"Alpha Centauri A\",\"Tau Ceti\",\"51 Pegasi\"]"
lifespan = "約100億年（太陽質量の場合）"
mass_solar_max = 1.15
mass_solar_min = 0.8
mass_solar_typical = 1
temperature_max_kelvin = 6000
temperature_min_kelvin = 5200
temperature_note = ""
temperature_typical_kelvin = 5778
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "K"
slug = "k-type"
name = "K型星（オレンジ色矮星）"
description = "太陽より低温のオレンジ色の主系列星です。"
abundance_percent = "12"
color = "オレンジ色"
example_stars = "[\"Epsilon Eridani\",\"Alpha Centauri B\",\"61 Cygni A\"]"
lifespan = "170〜700億年"
mass_solar_max = 0.8
mass_solar_min = 0.5
mass_solar_typical = 0.65
temperature_max_kelvin = 5200
temperature_min_kelvin = 3900
temperature_note = ""
temperature_typical_kelvin = 4500
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "M"
slug = "m-type"
name = "M型星（赤色矮星）"
description = "最も一般的で長寿命の赤色主系列星です。"
abundance_percent = "75"
color = "赤色"
example_stars = "[\"Proxima Centauri\",\"Barnard's Star\",\"TRAPPIST-1\",\"Wolf 359\"]"
lifespan = "1兆〜10兆年"
mass_solar_max = 0.5
mass_solar_min = 0.08
mass_solar_typical = 0.3
temperature_max_kelvin = 3900
temperature_min_kelvin = 2400
temperature_note = ""
temperature_typical_kelvin = 3200
mass_jupiter_max = ""
mass_jupiter_min = ""
mass_jupiter_typical = ""
object_type = ""

[[items]]
code = "L"
slug = "l-type"
name = "L型矮星"
description = "水と金属水素化物の吸収を示す低温の褐色矮星です。"
abundance_percent = ""
color = "暗赤色"
example_stars = "[\"2MASS J0523-1403\",\"DENIS-P J1228.2-1547\"]"
lifespan = ""
mass_solar_max = ""
mass_solar_min = ""
mass_solar_typical = ""
temperature_max_kelvin = 2500
temperature_min_kelvin = 1300
temperature_note = ""
temperature_typical_kelvin = 1900
mass_jupiter_max = 65
mass_jupiter_min = 13
mass_jupiter_typical = 30
object_type = "褐色矮星または低温星"

[[items]]
code = "T"
slug = "t-type"
name = "T型矮星"
description = "メタン吸収帯を示す低温の褐色矮星です。"
abundance_percent = ""
color = "暗紫色/黒色"
example_stars = "[\"Gliese 570 D\",\"WISE J0350-5658\",\"2MASS J0559-1404\"]"
lifespan = ""
mass_solar_max = ""
mass_solar_min = ""
mass_solar_typical = ""
temperature_max_kelvin = 1500
temperature_min_kelvin = 600
temperature_note = ""
temperature_typical_kelvin = 1000
mass_jupiter_max = 80
mass_jupiter_min = 13
mass_jupiter_typical = 50
object_type = "褐色矮星"

[[items]]
code = "Y"
slug = "y-type"
name = "Y型矮星"
description = "アンモニア吸収を示す最も低温の褐色矮星です。"
abundance_percent = ""
color = "黒色（赤外線でのみ検出可能）"
example_stars = "[\"WISE J0855-0714\",\"WISE J1828+2650\",\"WISE J1738+2732\"]"
lifespan = ""
mass_solar_max = ""
mass_solar_min = ""
mass_solar_typical = ""
temperature_max_kelvin = 600
temperature_min_kelvin = 200
temperature_note = ""
temperature_typical_kelvin = 400
mass_jupiter_max = 80
mass_jupiter_min = 13
mass_jupiter_typical = 50
object_type = "褐色矮星"