Fenmu: Difference between revisions
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Fén Mù (Tomb, 墳墓) is a Chinese asterism of four stars in the modern constellation Aquarius. It belongs to the Shi tradition and is attached to Wei (the Rooftop lodge, 危). Attested by the Han period, its name refers to a burial place and its earthen mound. | Fén Mù (Tomb, 墳墓) is a Chinese asterism of four stars in the modern constellation Aquarius. It belongs to the Shi tradition and is attached to Wei (the Rooftop lodge, 危). Attested by the Han period, its name refers to a burial place and its earthen mound. The shape of the asterism also resembles a tomb. | ||
== Concordance, Etymology, History == | == Concordance, Etymology, History == | ||
... | |||
=== The material image of a burial mound === | |||
In early Chinese usage, fen (墳) and mu (墓) could overlap, although the former could emphasize the raised earth above a grave and the latter the burial place. The ''Shuowen jiezi'' (Explanation of Graphs and Analysis of Characters, 說文解字) defines fen as a grave and mu as a mound. The ''Liji'' (Book of Rites, 禮記), in “Tan Gong shang” (檀弓上), distinguishes burial from raising a mound. Its account of Confucius marking his parents’ shared grave illustrates how a mound made a burial place recognizable and available for remembrance. | |||
=== The Emergence of Fenmu and the Funerary Region of the Sky === | |||
Fenmu (Tomb, 墳墓) is an auxiliary asterism attached to the lodge Wei (危). Its name and symbolism probably developed in connection with interpretations of that lodge. | |||
Han texts and related passages preserved in later compilations commonly describe Wei through such interpretations as a marketplace, a roof, a celestial treasury, or an imperial palace, with no immediately apparent connection to burial. A passage attributed to the Shi tradition in the ''Kaiyuan zhanjing'' (開元占經), however, offers another explanation: “Xu and Wei govern ancestral halls and the worship of deceased parents; Fenmu was therefore established to mark the burial grounds of the ancestors.” The same passage identifies the five stars of Xu and Wei as an ancestral hall, explicitly connecting the two lodges with ancestral worship and explaining the establishment of Fenmu in these terms. | |||
Death and mourning were originally astrological associations of Xu (虛). Han sources also frequently treated Xu and Wei together as the main body of Xuanwu (玄武), the tortoise-and-serpent figure of the northern celestial palace. The astronomical mural in a Han tomb at Jingbian (靖邊), Shaanxi (陝西), offers visual support for this interpretation: the five stars of Xu and Wei can be understood as outlining the tortoise’s body, with a serpent depicted at the centre. Within this conception of the two lodges as a single figure, Xu’s funerary associations may have extended to Wei and combined with its architectural imagery, allowing Wei to be interpreted as part of a hall for ancestral worship. | |||
In extant materials, this kind of interpretation of the Wei is only found in the Shi tradition; meanwhile, the passage attributed to the Shi tradition also makes this connection between ancestral worship and the establishment of Fenmu particularly explicit, whereas references to the asterism in other early texts are sparse. This distribution of evidence suggests that Fenmu may first have emerged within the Shi astronomical tradition during the Han period, developing the ritual and funerary associations of the Xu–Wei region. | |||
The same funerary theme appears in the nearby asterisms Ku (Crying, 哭) and Qi (Weeping, 泣), assigned to the Gan tradition, and Xuliang (虛梁), assigned to the Wuxian tradition. Interpreted as buildings within a mausoleum precinct, Xuliang is close to Fenmu in both position and meaning. This proximity may reflect the influence of the Shi tradition on other asterism systems. As these asterisms were brought together, the region around Xu and Wei acquired a shared theme of burial, ancestral worship, and mourning. | |||
Later astronomical literature further strengthened these connections. Zhang Yuan’s (張淵) ''Guanxiang fu'' (Rhapsody on Observing the Celestial Images, 觀象賦), preserved in the ''Weishu'' (魏書), states that “Crying and Weeping are linked together and approach the tomb.” Its commentary explains this through the arrangement of their stars toward Fenmu. Li Bo’s (李播) ''Tianwen daxiang fu'' (Rhapsody on the Great Celestial Images, 天文大象賦) similarly describes how “Fenmu stands apart, displaying its form, while Crying and Weeping call to one another in sorrow.” Through spatial relationships and personification, both works vividly evoke the funerary imagery of this celestial region. | |||
Traditional Chinese ritual placed considerable importance on burial and ancestral worship, expressing the ideal of “serving the dead as one served the living.” The prevalence of elaborate burial practices during the Han period further made tombs important spaces for perpetuating the social order of life and expressing status. The cluster of tombs, mausoleum buildings, and mourning figures around Xu and Wei can therefore be understood as a celestial projection of these ritual and cultural concerns. | |||
=== Identification of stars === | === Identification of stars === | ||
Revision as of 05:52, 11 September 2026
Authors: Boshun YANG


Fén Mù (Tomb, 墳墓) is a Chinese asterism of four stars in the modern constellation Aquarius. It belongs to the Shi tradition and is attached to Wei (the Rooftop lodge, 危). Attested by the Han period, its name refers to a burial place and its earthen mound. The shape of the asterism also resembles a tomb.
Concordance, Etymology, History
The material image of a burial mound
In early Chinese usage, fen (墳) and mu (墓) could overlap, although the former could emphasize the raised earth above a grave and the latter the burial place. The Shuowen jiezi (Explanation of Graphs and Analysis of Characters, 說文解字) defines fen as a grave and mu as a mound. The Liji (Book of Rites, 禮記), in “Tan Gong shang” (檀弓上), distinguishes burial from raising a mound. Its account of Confucius marking his parents’ shared grave illustrates how a mound made a burial place recognizable and available for remembrance.
The Emergence of Fenmu and the Funerary Region of the Sky
Fenmu (Tomb, 墳墓) is an auxiliary asterism attached to the lodge Wei (危). Its name and symbolism probably developed in connection with interpretations of that lodge.
Han texts and related passages preserved in later compilations commonly describe Wei through such interpretations as a marketplace, a roof, a celestial treasury, or an imperial palace, with no immediately apparent connection to burial. A passage attributed to the Shi tradition in the Kaiyuan zhanjing (開元占經), however, offers another explanation: “Xu and Wei govern ancestral halls and the worship of deceased parents; Fenmu was therefore established to mark the burial grounds of the ancestors.” The same passage identifies the five stars of Xu and Wei as an ancestral hall, explicitly connecting the two lodges with ancestral worship and explaining the establishment of Fenmu in these terms.
Death and mourning were originally astrological associations of Xu (虛). Han sources also frequently treated Xu and Wei together as the main body of Xuanwu (玄武), the tortoise-and-serpent figure of the northern celestial palace. The astronomical mural in a Han tomb at Jingbian (靖邊), Shaanxi (陝西), offers visual support for this interpretation: the five stars of Xu and Wei can be understood as outlining the tortoise’s body, with a serpent depicted at the centre. Within this conception of the two lodges as a single figure, Xu’s funerary associations may have extended to Wei and combined with its architectural imagery, allowing Wei to be interpreted as part of a hall for ancestral worship.
In extant materials, this kind of interpretation of the Wei is only found in the Shi tradition; meanwhile, the passage attributed to the Shi tradition also makes this connection between ancestral worship and the establishment of Fenmu particularly explicit, whereas references to the asterism in other early texts are sparse. This distribution of evidence suggests that Fenmu may first have emerged within the Shi astronomical tradition during the Han period, developing the ritual and funerary associations of the Xu–Wei region.
The same funerary theme appears in the nearby asterisms Ku (Crying, 哭) and Qi (Weeping, 泣), assigned to the Gan tradition, and Xuliang (虛梁), assigned to the Wuxian tradition. Interpreted as buildings within a mausoleum precinct, Xuliang is close to Fenmu in both position and meaning. This proximity may reflect the influence of the Shi tradition on other asterism systems. As these asterisms were brought together, the region around Xu and Wei acquired a shared theme of burial, ancestral worship, and mourning.
Later astronomical literature further strengthened these connections. Zhang Yuan’s (張淵) Guanxiang fu (Rhapsody on Observing the Celestial Images, 觀象賦), preserved in the Weishu (魏書), states that “Crying and Weeping are linked together and approach the tomb.” Its commentary explains this through the arrangement of their stars toward Fenmu. Li Bo’s (李播) Tianwen daxiang fu (Rhapsody on the Great Celestial Images, 天文大象賦) similarly describes how “Fenmu stands apart, displaying its form, while Crying and Weeping call to one another in sorrow.” Through spatial relationships and personification, both works vividly evoke the funerary imagery of this celestial region.
Traditional Chinese ritual placed considerable importance on burial and ancestral worship, expressing the ideal of “serving the dead as one served the living.” The prevalence of elaborate burial practices during the Han period further made tombs important spaces for perpetuating the social order of life and expressing status. The cluster of tombs, mausoleum buildings, and mourning figures around Xu and Wei can therefore be understood as a celestial projection of these ritual and cultural concerns.
Identification of stars
| Star Names or Orders(Qing) | Han Dynasty (SUN X. & J. Kistemaker[1]) | 3rd to 6th Century (Boshun Yang[2]) | Song Dynaty (Boshun Yang[2], 1034 CE) | Song Dynasty (Pan Nai[3], 1052 CE) | Song Dynasty (Boshun Yang[2], 1052 CE) | Yuan Dynasty (Pan Nai[4], 14th century) | Qing Dynaty (Yi Shitong[5], 18th Century) | Ho PENG YOKE[6] |
|---|---|---|---|---|---|---|---|---|
| 1st | x (determinative) | x (determinative) | x determinative) | x (determinative) | x | x | x | x |
| 2nd | x | x | x | x | x | x | x | x |
| 3rd | x | x | x | x | x | x | x | x |
| 4th | x | x | x | x | x | x | x | x |
| 5th | x | x | x | x | x | x | x | x |
| 6th | x | x | x | x | x | x | x | x |
Maps (Gallery)
| historical map | modern identification | same in Stellarium |
|---|---|---|
IAU Working Group on Star Names
In 202x, the name of the historical constellation "xxx" was suggested to be used for one of the stars in this constellation. ...
Decision: ...
References
- ↑ Sun Xiaochun. & Kistemaker J. The Chinese sky during the Han. Leiden: Brill. 1997, Pp241-6.
- ↑ 2.0 2.1 2.2 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), Pp297-304.
- ↑ Pan Nai潘鼐. Zhongguo Hengxing Guance shi中国恒星观测史[M]. Shanghai: Xuelin Pree. 1989, Pp220-226.
- ↑ Pan Nai潘鼐. Zhongguo Hengxing Guance shi中国恒星观测史[M]. Shanghai: Xuelin Pree. 2009. p435-443.
- ↑ Yi Shitong伊世同. Zhongxi Duizhao Hengxing Tubiao中西对照恒星图表1950. Beijing: Science Press.1981.
- ↑ P.-Y. Ho, “Ancient And Mediaeval Observations of Comets and Novae in Chinese Sources,” Vistas in Astronomy, 5(1962), 127-225.








