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    • Aston Villa FC Supporter
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    Type W:
    Rare.
    Spectra contain many bright lines.
    Divided into WC (Carbon Sequence) and WN (Nitrogen Sequence)
    Temperatures up to 80,000 C.
    Type O:
    Rare.
    Spectra contain both bright and dark lines.
    Temperatures between 40,000 and 35,000 C.
    Type B:
    Blue-White.
    Prominent Helium lines.
    Temperatures between 25,000 and 12,000 C.
    Type A:
    White.
    Prominent Hydrogen lines.
    Temperatures between 10,000 and 8,000 C.
    Type F:
    White-Yellow.
    Prominent Calcium lines.
    Temperatures between 7,500 and 6,000 C.
    Type G:
    Yellow.
    Many metallic lines, weaker hydrogen lines.
    Giants have temperatures between 5,500 and 4,200 C.
    Dwarfs have temperatures between 6,000 and 5,000 C.
    Type K:
    Orange.
    Strong metallic lines.
    Giants have temperatures between 4,000 and 3,000 C
    Dwarfs have temperatures between 5,000 and 4,000 C
    Type M:
    Orange-Red.
    Complicated spectra containing many lines due to molecules.
    Giants have temperatures of 3,400 C.
    Dwarfs have temperatures of 3,000 C
    Type C (formerly types R and N):
    Red.
    Strong Carbon lines.
    Temperatures between 5,000 and 2,000 C.
    Type S:
    Red.
    Prominent lines due to Titanium Oxide and Zirconium Oxide.
    Temperatures of 2,600 C
    Types L, Y, and Y:
    Very cool Red Dwarfs and Brown Dwarfs.
    T are the Methane Dwarfs.
    Temperatures less than 2,00 C.
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    CheeseIsVeg
    In A2 astrophysics, you only learn about spectral classes O, B, A, F, G, K, and M.
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    (Original post by Kyx)
    Type W:
    Rare.
    Spectra contain many bright lines.
    Divided into WC (Carbon Sequence) and WN (Nitrogen Sequence)
    Temperatures up to 80,000 C.
    Type O:
    Rare.
    Spectra contain both bright and dark lines.
    Temperatures between 40,000 and 35,000 C.
    Type B:
    Blue-White.
    Prominent Helium lines.
    Temperatures between 25,000 and 12,000 C.
    Type A:
    White.
    Prominent Hydrogen lines.
    Temperatures between 10,000 and 8,000 C.
    Type F:
    White-Yellow.
    Prominent Calcium lines.
    Temperatures between 7,500 and 6,000 C.
    Type G:
    Yellow.
    Many metallic lines, weaker hydrogen lines.
    Giants have temperatures between 5,500 and 4,200 C.
    Dwarfs have temperatures between 6,000 and 5,000 C.
    Type K:
    Orange.
    Strong metallic lines.
    Giants have temperatures between 4,000 and 3,000 C
    Dwarfs have temperatures between 5,000 and 4,000 C
    Type M:
    Orange-Red.
    Complicated spectra containing many lines due to molecules.
    Giants have temperatures of 3,400 C.
    Dwarfs have temperatures of 3,000 C
    Type C (formerly types R and N):
    Red.
    Strong Carbon lines.
    Temperatures between 5,000 and 2,000 C.
    Type S:
    Red.
    Prominent lines due to Titanium Oxide and Zirconium Oxide.
    Temperatures of 2,600 C
    Types L, Y, and Y:
    Very cool Red Dwarfs and Brown Dwarfs.
    T are the Methane Dwarfs.
    Temperatures less than 2,00 C.
    woah so cool!
    Spoiler:
    Show
    well actually pretty hot but :pierre:

    (Original post by Kyx)
    CheeseIsVeg
    In A2 astrophysics, you only learn about spectral classes O, B, A, F, G, K, and M.
    :daydreaming: cant wait til A2 then
    You can teach me the others, o wait u have :rofl:
    • Aston Villa FC Supporter
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    (Original post by CheeseIsVeg)
    woah so cool!
    Spoiler:
    Show
    well actually pretty hot but :pierre:


    :daydreaming: cant wait til A2 then
    You can teach me the others, o wait u have :rofl:
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    (Original post by Kyx)
    thank you for your detailed response
    It is much appreciated
    Spoiler:
    Show
    :rofl:
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    (Original post by CheeseIsVeg)
    thank you for your detailed response
    It is much appreciated
    Spoiler:
    Show
    :rofl:
    I believe my OP was detailed enough
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    (Original post by Kyx)
    I believe my OP was detailed enough
 
 
 
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