WR 20a

Summary

WR 20a is a binary star^[1]. It draws 11 Wikipedia views per month (binary_star category, ranking #51 of 267).^[2]

Key Facts

• WR 20a's image is recorded as NASA Unveils Celestial Fireworks as Official Hubble 25th Anniversary Image.jpg^[3].
• WR 20a's instance of is recorded as binary star^[4].
• WR 20a's instance of is recorded as eclipsing binary star^[5].
• WR 20a's instance of is recorded as near-infrared source^[6].
• WR 20a's constellation is recorded as Carina^[7].
• WR 20a's spectral class is recorded as O3If/WN6+O3If/WN6^[8].
• WR 20a's part of is recorded as Westerlund 2^[9].
• WR 20a's catalog code is recorded as 2MASS J10235800-5745489^[10].
• WR 20a's catalog code is recorded as UCAC2 6537463^[11].
• WR 20a's catalog code is recorded as V712 Car^[12].
• WR 20a's catalog code is recorded as UBV M 40466^[13].
• WR 20a's catalog code is recorded as Gaia DR2 5255678160756667776^[14].
• WR 20a's catalog code is recorded as TIC 464294590^[15].
• WR 20a's catalog code is recorded as Gaia DR3 5255678160756667776^[16].
• WR 20a's Freebase ID is recorded as /m/0134twg3^[17].
• WR 20a's apparent magnitude is recorded as {'amount': '+12.6'}^[18].
• WR 20a's apparent magnitude is recorded as {'amount': '+8.858'}^[19].
• WR 20a's apparent magnitude is recorded as {'amount': '+8.083'}^[20].
• WR 20a's apparent magnitude is recorded as {'amount': '+7.588'}^[21].
• WR 20a's apparent magnitude is recorded as {'amount': '+15.452'}^[22].
• WR 20a's apparent magnitude is recorded as {'amount': '+15.461'}^[23].
• WR 20a's apparent magnitude is recorded as {'amount': '+13.5'}^[24].
• WR 20a's apparent magnitude is recorded as {'amount': '+12.282945'}^[25].
• WR 20a's parallax is recorded as {'unit': 'Q21500224', 'amount': '+0.231'}^[26].
• WR 20a's distance from Earth is recorded as {'unit': 'Q12129', 'amount': '+4329.004'}^[27].

Body

Geography

WR 20a's part of is recorded as Westerlund 2^[9].

Designation and Status

Recorded instance of include binary star^[4], eclipsing binary star^[5], and near-infrared source^[6].

History and Context

Catalog codes include 2MASS J10235800-5745489^[10], UCAC2 6537463^[11], V712 Car^[12], UBV M 40466^[13], Gaia DR2 5255678160756667776^[14], and TIC 464294590^[15].

Why It Matters

WR 20a draws 11 Wikipedia views per month (binary_star category, ranking #51 of 267).^[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.^[28] It is known by 4 alternative names across languages and contexts.^[29]