Zeta Pup Comparison Table

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Zeta Pup comparison table

Subject has spectral type is part of is an instance of is a kind of has definition

O star O, B, A, and early F early star Very hot blue star, whose spectra is dominated by the lines of singly ionized helium (see Pickering series). (Most other lines are from at least doubly ionized elements, though H and He I lines are also present.) O stars are useful because they are found in dust clouds and virtually define the spiral arms.

Zeta Pup O4f Puppis O star The brightest Of star known, embedded in the Gum Nebula. It has an envelope which is rapidly accelerating outward.

Subject	has spectral type	is part of	is an instance of	is a kind of	has definition
O star	O, B, A, and early F			early star	Very hot blue star, whose spectra is dominated by the lines of singly ionized helium (see Pickering series). (Most other lines are from at least doubly ionized elements, though H and He I lines are also present.) O stars are useful because they are found in dust clouds and virtually define the spiral arms.
Zeta Pup	O4f	Puppis	O star		The brightest Of star known, embedded in the Gum Nebula. It has an envelope which is rapidly accelerating outward.

Next O star: Zeta Puppis Up: O star Previous O star: Zeta Ophiuchi