Xi Sagittarii
The Bayer designation Xi Sagittarii (ξ Sagittarii) is shared by two stars, ξ1 Sagittarii and ξ² Sagittarii, in the constellation Sagittarius, separated by 0.46° in the sky. Because they are close to the ecliptic, they can be occulted by the Moon[1] and, very rarely, by planets. The last occultation of ξ² Sagittarii by a planet took place on 22 December 1810, when it was occulted by Venus.[citation needed]
Naming
In Chinese, 建 (Jiàn), meaning Establishment, refers to an asterism consisting of ξ2 Sagittarii, ο Sagittarii, π Sagittarii, 43 Sagittarii, ρ1 Sagittarii, and υ Sagittarii. Consequently, ξ2 Sagittarii itself is known as 建一 (Jiàn yī, English: the First Star of Establishment.)[4]
References
- ^ White, Nathaniel M.; Feierman, Barry H. (September 1987), "A Catalog of Stellar Angular Diameters Measured by Lunar Occultation", Astronomical Journal, 94: 751, Bibcode:1987AJ.....94..751W, doi:10.1086/114513.
- ^ "ksi01 Sgr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-07-05.
{{cite web}}: CS1 maint: postscript (link) - ^ "ksi02 Sgr". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-07-05.
{{cite web}}: CS1 maint: postscript (link) - ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 5 月 11 日
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