Tau4 Eridani

Summary

Tau4 Eridani is a binary star^[1]. It draws 7 Wikipedia views per month (binary_star category, ranking #53 of 267).^[2]

Key Facts

• Tau4 Eridani's instance of is recorded as binary star^[3].
• Tau4 Eridani's instance of is recorded as long-period variable star^[4].
• Tau4 Eridani's instance of is recorded as high proper-motion star^[5].
• Tau4 Eridani's instance of is recorded as double star^[6].
• Tau4 Eridani's instance of is recorded as near-infrared source^[7].
• Tau4 Eridani's instance of is recorded as ultraviolet source^[8].
• Tau4 Eridani's instance of is recorded as irregular variable^[9].
• Tau4 Eridani's instance of is recorded as pulsating variable star^[10].
• Tau4 Eridani's instance of is recorded as variable star^[11].
• Tau4 Eridani's constellation is recorded as Eridanus^[12].
• Tau4 Eridani's spectral class is recorded as M3III-IIIaCa-1^[13].
• Tau4 Eridani's catalog code is recorded as IRAS 03172-2156^[14].
• Tau4 Eridani's catalog code is recorded as 2MASS J03193099-2145284^[15].
• Tau4 Eridani's catalog code is recorded as HD 20720^[16].
• Tau4 Eridani's catalog code is recorded as HIP 15474^[17].
• Tau4 Eridani's catalog code is recorded as HR 1003^[18].
• Tau4 Eridani's catalog code is recorded as SAO 168460^[19].
• Tau4 Eridani's catalog code is recorded as ADS 2472 A^[20].
• Tau4 Eridani's catalog code is recorded as PLX 699^[21].
• Tau4 Eridani's catalog code is recorded as CCDM J03195-2146A^[22].
• Tau4 Eridani's catalog code is recorded as CSV 6025^[23].
• Tau4 Eridani's catalog code is recorded as GC 3979^[24].
• Tau4 Eridani's catalog code is recorded as GCRV 1845^[25].
• Tau4 Eridani's catalog code is recorded as HIC 15474^[26].
• Tau4 Eridani's catalog code is recorded as IRC -20041^[27].

Body

Designation and Status

Recorded instance of include binary star^[3], long-period variable star^[4], high proper-motion star^[5], double star^[6], near-infrared source^[7], and ultraviolet source^[8].

History and Context

Catalog codes include IRAS 03172-2156^[14], 2MASS J03193099-2145284^[15], HD 20720^[16], HIP 15474^[17], HR 1003^[18], and SAO 168460^[19].

Why It Matters

Tau4 Eridani draws 7 Wikipedia views per month (binary_star category, ranking #53 of 267).^[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.^[28] It is known by 29 alternative names across languages and contexts.^[29]