Alpha Serpentis Comparison Table

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physical object > naked eye object > naked eye star > Alpha Serpentis

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Alpha Serpentis comparison table

Subject has right ascension has spectral type has declination is part of has surface temperature is an instance of has V magnitude has color has been observ has B-V magnitude is usually part of is a kind of has apparent magnitude has synonym has definition has luminosity class

giant greater than 1000 Kelvin star High-luminosity star that lies above the main sequence on the Hertzsprung-Russell diagram. III

K star cooler than G2 3600 to 5000 K orange to red late star Cool star with spectral type K with spectra resembling those of sunspots, in which the hydrogen lines have been greatly weakened. The HK lines (q.v.) reach their greatest intensity. Strongest lines are Ca I (4227 Å) and the G-band (4303 Å).

naked eye star Milky Way greater than 1000 Kelvin for many centuries asterism naked eye object brighter than 5 A star visible without visual aids

Alpha Serpentis 15 44 16.0 K2IIIbCN1Fe414 +6 25 32 Milky Way 3600 to 5000 K naked eye star 2.65 orange to red for many centuries 1.17 asterism brighter than 5 HR 5854 III

Subject	has right ascension	has spectral type	has declination	is part of	has surface temperature	is an instance of	has V magnitude	has color	has been observ	has B-V magnitude	is usually part of	is a kind of	has apparent magnitude	has synonym	has definition	has luminosity class
giant					greater than 1000 Kelvin							star			High-luminosity star that lies above the main sequence on the Hertzsprung-Russell diagram.	III
K star		cooler than G2			3600 to 5000 K			orange to red				late star			Cool star with spectral type K with spectra resembling those of sunspots, in which the hydrogen lines have been greatly weakened. The HK lines (q.v.) reach their greatest intensity. Strongest lines are Ca I (4227 Å) and the G-band (4303 Å).
naked eye star				Milky Way	greater than 1000 Kelvin				for many centuries		asterism	naked eye object	brighter than 5		A star visible without visual aids
Alpha Serpentis	15 44 16.0	K2IIIbCN1Fe414	+6 25 32	Milky Way	3600 to 5000 K	naked eye star	2.65	orange to red	for many centuries	1.17	asterism		brighter than 5	HR 5854		III

Next giant: Alpha Sextantis Up: giant, K star, naked eye star Previous giant: Alpha Scuti