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physical object > naked eye object > naked eye star > HR 4247 |
HR 4247 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 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 | ||||||||
HR 4247 | 10 53 18.6 | K0III-IV | +34 12 53 | Milky Way | 3600 to 5000 K | naked eye star | 3.83 | orange to red | for many centuries | 1.04 | asterism | brighter than 5 | III |
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