What Does Obafgkm Stand For

AcronymDefinitionOBAFGKMOh, Be A Fine Girl/Guy, Kiss Me (mnemonic for the order of star temperatures)OBAFGKMOnly Boys Accepting Feminism Get Kissed Meaningfully (mnemonic for the order of star temperatures)OBAFGKMOnly Bad Astronomers Forget Generally Known Mnemonics (mnemonic for the order of star temperatures)

What do the spectral classes OBAFGKM indicate?

What do the initials of “OBAFGKM” mean? A: It appears that when stars were first being classified in the 1890s, an astronomer at Harvard named Edward Pickering decided to sort the stars according to how much hydrogen they contained.

What type of star is OBAFGKM?

Spectral TypeColorExamplesOBlue-violetStars of Orion’s BeltBBlue-whiteRigelAWhiteSiriusFYellow-whitePolaris