Eta Carinae

Summary

Eta Carinae is a double star^[1]. It ranks in the top 2% of double_star entities by monthly Wikipedia readership (671 views/month).^[2]

Key Facts

• Eta Carinae is credited with the discovery of Pieter Dirkszoon Keyser^[3].
• Eta Carinae's image is recorded as EtaCarinae.jpg^[4].
• Eta Carinae's instance of is recorded as double star^[5].
• Eta Carinae's instance of is recorded as astrophysical X-ray source^[6].
• Eta Carinae's instance of is recorded as astronomical radio source^[7].
• Eta Carinae's instance of is recorded as gamma-ray source^[8].
• Eta Carinae's instance of is recorded as infrared source^[9].
• Eta Carinae's instance of is recorded as near-infrared source^[10].
• Eta Carinae's instance of is recorded as sub-millimetric source^[11].
• Eta Carinae's instance of is recorded as ultraviolet source^[12].
• Eta Carinae's instance of is recorded as binary star^[13].
• Eta Carinae's instance of is recorded as luminous blue variable^[14].
• Eta Carinae's instance of is recorded as eruptive variable star^[15].
• Eta Carinae's constellation is recorded as Carina^[16].
• Eta Carinae's spectral class is recorded as O5.5III-O7I^[17].
• Eta Carinae's GND ID is recorded as 4342628-1^[18].
• Eta Carinae's Library of Congress authority ID is recorded as sh00000390^[19].
• Eta Carinae's Bibliothèque nationale de France ID is recorded as 16612794t^[20].
• Eta Carinae's Commons category is recorded as Eta Carinae^[21].
• Eta Carinae's BNCF Thesaurus ID is recorded as 75963^[22].
• Eta Carinae's catalog code is recorded as SAO 238429^[23].
• Eta Carinae's catalog code is recorded as HR 4210^[24].
• Eta Carinae's catalog code is recorded as IRAS 10431-5925^[25].
• Eta Carinae's catalog code is recorded as 2MASS J10450360-5941040^[26].
• Eta Carinae's catalog code is recorded as HD 93308^[27].

Body

Designation and Status

Recorded instance of include double star^[5], astrophysical X-ray source^[6], astronomical radio source^[7], gamma-ray source^[8], infrared source^[9], and near-infrared source^[10].

History and Context

Catalog codes include SAO 238429^[23], HR 4210^[24], IRAS 10431-5925^[25], 2MASS J10450360-5941040^[26], HD 93308^[27], and η Car^[28].

Why It Matters

Eta Carinae ranks in the top 2% of double_star entities by monthly Wikipedia readership (671 views/month).^[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.^[29] It is known by 31 alternative names across languages and contexts.^[30]