Tongling (桐陵)

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Tongling


Tóng Líng (Phoenix Tree Mound, 桐陵) is the sixth star on the right wall of the Zǐ Gōng (Purple Palace, 紫宮) or Zǐwēi Yuán (Purple Enclosure), counting northward from the southern gate. It lies within the modern constellation Camelopardalis.


Etymology and History of the Name

The name Tongling was current from the Han through the Tang dynasty but was later replaced by Shào Wèi (Junior Guard, 少衛) in the revised nomenclature of the Zigong. As a result, the original designation fell gradually into obscurity.

The term tong refers to the wutong tree (Firmiana simplex), which in Chinese mythology is the perch of the phoenix; líng denotes a “high mound” or “tumulus.” Thus, Tóng Líng may be interpreted as “Phoenix Tree Mound,” evoking a place of elevation and sanctity within the imperial celestial precinct.

Constellation & Star Name

The Cheonsang Yeolcha Bunyajido (Tianxiang Lieci Fenye zhi tu, Diagram of the Astrological Field Allocations) preserves the most ancient configuration of Chinese asterisms, allowing Tongling to be securely identified with HIP 33694.[1] The name is also explicitly labeled in another Tang-period star map, the Gezi Yuejin tu (Gridded Monthly Progress Diagram), confirming its position and continued recognition during that era.

See Zigong (紫宮) for more identification.

Star Name Ho PENG YOKE[2] Yi Shitong[3]

Based on catalogue in 18th century

Pan Nai[4]

based on Huangyou Star Catalogue

Pan Nai[5]

based on catalogues in Yuan dynasty

SUN X. & J. Kistemaker[6]

Han Dynasty

Boshun Yang[7]

before Tang dynasty

Boshun Yang[7]

Song Jingyou(1034)

Tongling (桐陵, 6th on the Right Wall ) HIP 33694
Shaowei (少衛, 6th on the Right Wall ) α Cam α Cam BN Cam γ Cam BK Cam HIP33694

Images

IAU Working Group on Star Names

References

References

References (Chinese)

  1. [1] Bo-Shun Yang and Susanne M. Hoffmann 2024 Res. Astron. Astrophys. 24 125004
  2. P.-Y. Ho, “Ancient And Mediaeval Observations of Comets and Novae in Chinese Sources,” Vistas in Astronomy, 5 (1962), 127-225.
  3. Yi Shitong [伊世同]. Zhongxi Duizhao Hengxing Tubiao [中西对照恒星图表1950]. Beijing: Science Press. 1981: p. 56.
  4. Pan Nai [潘鼐]. Zhongguo Hengxing Guance shi [中国恒星观测史]. Shanghai: Xuelin Pree. 1989. p. 226.
  5. Pan Nai [潘鼐]. Zhongguo Hengxing Guance shi [中国恒星观测史]. Shanghai: Xuelin Pree. 2009. p. 443.
  6. Sun Xiaochun & Kistemaker J. The Chinese sky during the Han. Leiden: Brill. 1997, pp. 241-6.
  7. 7.0 7.1 B.-S. Yang [杨伯顺], Zhongguo Chuantong Hengxing Guance Jingdu ji Xingguan Yanbian Yanjiu [中国传统恒星观测精度及星官演变研究] (A Research on the Accuracy of Chinese Traditional Star Observation and the Evolution of Constellations), PhD thesis, (Hefei: University of Science and Technology of China, 2023). p.238.