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HD 10550
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HD 10550
HD 10550 is a single star in the equatorial constellation of Cetus. It is a faint star but visible to the naked eye with an apparent visual magnitude of 4.98. Based upon an annual parallax shift of 2.9564 mas, it is located around 1,100 light years from the Sun. The star is moving closer with a heliocentric radial velocity of −33 km/s. It has a high peculiar velocity of 72.7+5.7
−4.3 km/s and may be a runaway star.
The stellar classification of this star is K2/3 III CN II, showing the spectrum of an evolved K-type giant star with an overabundance of CN in the atmosphere. The measured angular diameter of this star, after correction for limb darkening, is 2.11±0.04 mas. At the estimated distance of this star, this yields a physical size of about 77 times the radius of the Sun. The star is radiating around 2,537 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,110 K.
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HD 10550
HD 10550 is a single star in the equatorial constellation of Cetus. It is a faint star but visible to the naked eye with an apparent visual magnitude of 4.98. Based upon an annual parallax shift of 2.9564 mas, it is located around 1,100 light years from the Sun. The star is moving closer with a heliocentric radial velocity of −33 km/s. It has a high peculiar velocity of 72.7+5.7
−4.3 km/s and may be a runaway star.
The stellar classification of this star is K2/3 III CN II, showing the spectrum of an evolved K-type giant star with an overabundance of CN in the atmosphere. The measured angular diameter of this star, after correction for limb darkening, is 2.11±0.04 mas. At the estimated distance of this star, this yields a physical size of about 77 times the radius of the Sun. The star is radiating around 2,537 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,110 K.