Sigma Octantis

Summary

Sigma Octantis is a variable star^[1]. It ranks in the top 0.63% of variable_star entities by monthly Wikipedia readership (156 views/month, #1 of 158).^[2]

Key Facts

• Sigma Octantis's image is recorded as Octans trapezoid.GIF^[3].
• Sigma Octantis's instance of is recorded as variable star^[4].
• Sigma Octantis's instance of is recorded as Delta Scuti variable^[5].
• Sigma Octantis's instance of is recorded as near-infrared source^[6].
• Sigma Octantis's instance of is recorded as ultraviolet source^[7].
• Sigma Octantis's constellation is recorded as Octans^[8].
• Sigma Octantis's spectral class is recorded as F0III^[9].
• Sigma Octantis's catalog code is recorded as IRAS 20151-8908^[10].
• Sigma Octantis's catalog code is recorded as 2MASS J21084697-8857236^[11].
• Sigma Octantis's catalog code is recorded as HD 177482^[12].
• Sigma Octantis's catalog code is recorded as HIP 104382^[13].
• Sigma Octantis's catalog code is recorded as HR 7228^[14].
• Sigma Octantis's catalog code is recorded as SAO 258857^[15].
• Sigma Octantis's catalog code is recorded as σ Oct^[16].
• Sigma Octantis's catalog code is recorded as CPC 22 2512^[17].
• Sigma Octantis's catalog code is recorded as FK5 923^[18].
• Sigma Octantis's catalog code is recorded as GC 28194^[19].
• Sigma Octantis's catalog code is recorded as GCRV 12662^[20].
• Sigma Octantis's catalog code is recorded as HIC 104382^[21].
• Sigma Octantis's catalog code is recorded as N30 4483^[22].
• Sigma Octantis's catalog code is recorded as PPM 378539^[23].
• Sigma Octantis's catalog code is recorded as ROT 2717^[24].
• Sigma Octantis's catalog code is recorded as TD1 23828^[25].
• Sigma Octantis's catalog code is recorded as UBV 16180^[26].
• Sigma Octantis's catalog code is recorded as sig Oct^[27].

Body

Designation and Status

Recorded instance of include variable star^[4], Delta Scuti variable^[5], near-infrared source^[6], and ultraviolet source^[7].

History and Context

Catalog codes include IRAS 20151-8908^[10], 2MASS J21084697-8857236^[11], HD 177482^[12], HIP 104382^[13], HR 7228^[14], and SAO 258857^[15].

Why It Matters

Sigma Octantis ranks in the top 0.63% of variable_star entities by monthly Wikipedia readership (156 views/month, #1 of 158).^[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.^[28] It is known by 20 alternative names across languages and contexts.^[29]