Arcturus
red giant star in the northern constellation of Boötes
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Summary
Arcturus is a navigational star[1]. Arcturus ranks in the top 10% of navigational star entities by monthly Wikipedia readership (8,981 views/month).[2]
Key Facts
- Instance of: near-infrared source[3], ultraviolet source[4]
- Constellation: Boötes[5]
- Spectral class: K2IIIp[6]
- Part of: Arcturus stream[7], Spring Triangle[8], Boötes[9]
- Commons category: Arcturus[10]
- Companion of: TYC 1472-1436-2[11]
- Catalog code: HD 124897[12], HIP 69673[13], HR 5340[14], IRAS 14133+1925[15], SAO 100944[16], 2MASS J14153968+1910558[17], GJ 541[18], α Boo[19], ASCC 870215[20], BD+19 2777[21], CSV 101433[22], FK5 526[23], GC 19242[24], GCRV 8341[25]
- Located in/on physical feature: Local Interstellar Cloud[26]
- Topic's main category: Category:Arcturus[27]
- Apparent magnitude: 2.46[28], 1.18[29], -0.05[30], -1.03[31], -1.68[32], -2.252[33], -2.81[34], -2.911[35]
- Described by source: The Nuttall Encyclopædia[36], Brockhaus and Efron Encyclopedic Dictionary[37], Small Brockhaus and Efron Encyclopedic Dictionary[38], Great Soviet Encyclopedia (1926–1947)[39], Encyclopædia Britannica 11th edition[40], Armenian Soviet Encyclopedia, vol. 2[41]
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Cultural Significance
Things named for Arcturus include Regulus Black[42], a wizard in the Harry Potter universe[43].
Why It Matters
Arcturus has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[44] Arcturus is known by 37 alternative names across languages and contexts.[45]
Entities named for Arcturus include Regulus Black[42], a wizard in the Harry Potter universe[43].