Magnitude 9.8 Apparent magnitude (V) 9.8 | ||
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HD 2638 is a dim 10th magnitude star in the constellation of Cetus. It is a yellow dwarf and similar to our Sun. A small telescope is required to view the star. HD 2638 is in a system with multiple stars, including at least HD 2567 and HD 2638 C. HD 2638 is 175.2 light-years (53.7parsec) from the Sun.
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Planetary system
In 2005 the discovery of an extrasolar planet HD 2638 b orbiting the star was announced by the Geneva Extrasolar Planet Search Team. The planet has a mass 0.48 of Jupiter and 152.6 the mass of Earth.
Sun comparison
This chart compares the Sun to HD 2638.
References
HD 2638 Wikipedia(Text) CC BY-SA