37 Tauri
37 Tauri is a single, orange-hued star in the zodiac constellation of Taurus. It can be seen with the naked eye, having an apparent visual magnitude of 4.36. A magnitude 10.01 visual companion has an angular separation of on a position angle of 138.6°, as of 2003. Based on an annual parallax shift of , 37 Tauri is about 187 light years away. It is moving further from the Sun with a heliocentric radial velocity of 9.5 km/s. This is an evolved K-type giant star with a stellar classification of K0 III-IIIb. At the  age of 1.39 billion years, it has become a red clump giant, indicating that it is generating energy through helium fusion at its core. The star has around double the mass of the Sun and has expanded to 10 times the Sun's radius. It is radiating roughly 60 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,732 K. Chinese astronomy. In Chinese astronomy, 37 Tauri is called 月, Pinyin: Yuè, meaning "Moon", because this star is marking itself and stand alone in "Moon" asterism, Hairy Head mansion (see : Chinese constellation). 37 Tauri 37