12 Ophiuchi

Summary

12 Ophiuchi is a rotating variable star^[1]. It draws 10 Wikipedia views per month (rotating_variable_star category, ranking #7 of 14).^[2]

Key Facts

• 12 Ophiuchi's instance of is recorded as rotating variable star^[3].
• 12 Ophiuchi's instance of is recorded as BY Draconis variable^[4].
• 12 Ophiuchi's instance of is recorded as infrared source^[5].
• 12 Ophiuchi's instance of is recorded as astrophysical X-ray source^[6].
• 12 Ophiuchi's instance of is recorded as double star^[7].
• 12 Ophiuchi's instance of is recorded as eruptive variable star^[8].
• 12 Ophiuchi's instance of is recorded as near-infrared source^[9].
• 12 Ophiuchi's instance of is recorded as ultraviolet source^[10].
• 12 Ophiuchi's constellation is recorded as Ophiuchus^[11].
• 12 Ophiuchi's spectral class is recorded as K0V (k)^[12].
• 12 Ophiuchi's catalog code is recorded as 2MASS J16362142-0219281^[13].
• 12 Ophiuchi's catalog code is recorded as HD 149661^[14].
• 12 Ophiuchi's catalog code is recorded as HIP 81300^[15].
• 12 Ophiuchi's catalog code is recorded as HR 6171^[16].
• 12 Ophiuchi's catalog code is recorded as IRAS 16337+0213^[17].
• 12 Ophiuchi's catalog code is recorded as SAO 141269^[18].
• 12 Ophiuchi's catalog code is recorded as GJ 631^[19].
• 12 Ophiuchi's catalog code is recorded as 1RXS J163621.3-021925^[20].
• 12 Ophiuchi's catalog code is recorded as 2EUVE J1636-02.3^[21].
• 12 Ophiuchi's catalog code is recorded as CCDM J16363-0220A^[22].
• 12 Ophiuchi's catalog code is recorded as EUVE J1636-02.3^[23].
• 12 Ophiuchi's catalog code is recorded as FK5 1433^[24].
• 12 Ophiuchi's catalog code is recorded as GC 22321^[25].
• 12 Ophiuchi's catalog code is recorded as GCRV 9544^[26].
• 12 Ophiuchi's catalog code is recorded as HIC 81300^[27].

Body

Designation and Status

Recorded instance of include rotating variable star^[3], BY Draconis variable^[4], infrared source^[5], astrophysical X-ray source^[6], double star^[7], and eruptive variable star^[8].

History and Context

Catalog codes include 2MASS J16362142-0219281^[13], HD 149661^[14], HIP 81300^[15], HR 6171^[16], IRAS 16337+0213^[17], and SAO 141269^[18].

Why It Matters

12 Ophiuchi draws 10 Wikipedia views per month (rotating_variable_star category, ranking #7 of 14).^[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.^[28] It is known by 25 alternative names across languages and contexts.^[29]