Bagu - Revision history

YoulaAzkarrula: infobox

2026-07-11T02:21:38Z

infobox

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 ----
 [[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg|thumb|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]
 [[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg|thumb|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]
 Bā Gǔ (Eight Kinds of Crops, 八穀) is a Chinese constellation consisting of eight stars located within the constellations Lynx'','' Auriga, and Camelopardalis. It belongs to the asterisms introduced by Gan De and originated during the Han dynasty.

YoulaAzkarrula at 12:59, 7 June 2026

2026-06-07T12:59:00Z

← Older revision		Revision as of 12:59, 7 June 2026
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	[[Category:East Asian]] [[Category:Asian]]		[[Category:East Asian]] [[Category:Asian]]
	[[Category:Chinese]]		[[Category:Chinese]]
	[[Category:Aur]][[Category:Cam]]		[[Category:Aur]][[Category:Cam]][[Category:Modern]]

YoulaAzkarrula at 01:04, 16 May 2026

2026-05-16T01:04:00Z

← Older revision		Revision as of 01:04, 16 May 2026
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	[[Category:IAU-Star Name]]		[[Category:IAU-Star Name]]
	[[Category:Eurasia]]		[[Category:Eurasia]]
	[[Category:East Asian]]		[[Category:East Asian]] [[Category:Asian]]
	[[Category:Chinese ]]		[[Category:Chinese]]
	[[Category:Aur ]][[Category:Cam ]]		[[Category:Aur]][[Category:Cam]]

IanRidpath: Typo

2026-02-18T17:55:37Z

Typo

← Older revision		Revision as of 17:55, 18 February 2026
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	== Concordance, Etymology, History ==		== Concordance, Etymology, History ==
	The name Bagu refers to the eight types of staple grains. In the ''Kaiyuan zhanjing'' (''Divination Canon of Kaiyuan Reign'', 開元占經, ~~compiles~~ between 712–718 CE), a note appended to the entry for Bagu explains: “The Eight Grains are rice, millet, panicled millet, barley, wheat, soybeans, adzuki beans, and hemp.” The ancients believed that observing the asterism ''Bagu'' could be used to divine the harvest of the year: if one of its stars became invisible, it foretold that one type of grain would fail to grow; if the stars appeared dim, it signified that all eight grains would suffer a poor harvest.		The name Bagu refers to the eight types of staple grains. In the ''Kaiyuan zhanjing'' (''Divination Canon of Kaiyuan Reign'', 開元占經, compiled between 712–718 CE), a note appended to the entry for Bagu explains: “The Eight Grains are rice, millet, panicled millet, barley, wheat, soybeans, adzuki beans, and hemp.” The ancients believed that observing the asterism ''Bagu'' could be used to divine the harvest of the year: if one of its stars became invisible, it foretold that one type of grain would fail to grow; if the stars appeared dim, it signified that all eight grains would suffer a poor harvest.

	=== Identification of stars ===		=== Identification of stars ===

IanRidpath: Capitalization

2026-02-18T17:54:42Z

Capitalization

← Older revision		Revision as of 17:54, 18 February 2026
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	[[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]		[[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]
	[[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]		[[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]
	Bā Gǔ ( Eight Kinds of Crops, 八穀) is a Chinese constellation consisting of eight stars located within the constellations Lynx'','' Auriga, and Camelopardalis. It belongs to the asterisms introduced by Gan De and originated during the Han dynasty.		Bā Gǔ (Eight Kinds of Crops, 八穀) is a Chinese constellation consisting of eight stars located within the constellations Lynx'','' Auriga, and Camelopardalis. It belongs to the asterisms introduced by Gan De and originated during the Han dynasty.

	== Concordance, Etymology, History ==		== Concordance, Etymology, History ==
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	\|-		\|-
	\| 1st/Determinative		\| 1st/Determinative
	\| ~~delta~~ Aur		\| Delta Aur
	\| ~~delta~~ Aur		\| Delta Aur
	\| ~~beta~~ Cam		\| Beta Cam
	\| ~~beta~~ Cam		\| Beta Cam
	\| ~~delta~~ Aur		\| Delta Aur
	\|-		\|-
	\| 2nd		\| 2nd
	\| xi Aur		\| Xi Aur
	\| xi Aur		\| Xi Aur
	\| HIP 21601		\| HIP 21601
	\| 17 Cam		\| 17 Cam
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	\| HIP 20376		\| HIP 20376
	\| 16 Cam		\| 16 Cam
	\| ~~beta~~ Cam		\| Beta Cam
	\|-		\|-
	\|4th		\|4th
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	\|14 Cam		\|14 Cam
	\|HIP 21452		\|HIP 21452
	\|~~delta~~ Aur		\|Delta Aur
	\|~~alpha~~ Cam		\|Alpha Cam
	\|-		\|-
	\|5th		\|5th
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	\|[[File:Bagu in Song dynasty demonstrated in Stellarium.jpg\|thumb\|Bagu in Song dynasty demonstrated in Stellarium]]		\|[[File:Bagu in Song dynasty demonstrated in Stellarium.jpg\|thumb\|Bagu in Song dynasty demonstrated in Stellarium]]
	\|-		\|-
	\|[[File:Bagu in Jesuits Star Map in 17th Century.jpg\|thumb\|Bagu in ~~Jesuits~~ Star Map in 17th Century]]		\|[[File:Bagu in Jesuits Star Map in 17th Century.jpg\|thumb\|Bagu in Jesuit Star Map of 17th Century]]
	\|[[File:Bagu Reconstructed by Yi Shitong (1981) based on Qing Star Catalogue in 18th Century.jpg\|thumb\|Bagu Reconstructed by Yi Shitong (1981) based on Qing Star Catalogue in 18th Century]]		\|[[File:Bagu Reconstructed by Yi Shitong (1981) based on Qing Star Catalogue in 18th Century.jpg\|thumb\|Bagu Reconstructed by Yi Shitong (1981) based on Qing Star Catalogue in 18th Century]]
	\|[[File:Bagu in 18th century demonstrated in Stellarium.jpg\|thumb\|Bagu in 18th century demonstrated in Stellarium]]		\|[[File:Bagu in 18th century demonstrated in Stellarium.jpg\|thumb\|Bagu in 18th century demonstrated in Stellarium]]

Sushoff at 06:07, 17 January 2026

2026-01-17T06:07:57Z

← Older revision		Revision as of 06:07, 17 January 2026
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	{{DISPLAYTITLE: Bagu (八谷)}}		{{DISPLAYTITLE: Bagu (八谷)}}
			Authors: {{PAGEAUTHORS}}
			----
	[[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]		[[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]
	[[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]		[[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]

Sushoff at 16:53, 16 November 2025

2025-11-16T16:53:46Z

← Older revision		Revision as of 16:53, 16 November 2025
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	[[Category:Asterism ]]		[[Category:Asterism ]]
	[[Category:Constellation ]]		[[Category:Constellation ]]
	[[Category:IAU-Star ~~name~~]]		[[Category:IAU-Star Name]]
	[[Category:Eurasia]]		[[Category:Eurasia]]
	[[Category:East Asian]]		[[Category:East Asian]]
	[[Category:Chinese ]]		[[Category:Chinese ]]
	[[Category:Aur ]][[Category:Cam ]]		[[Category:Aur ]][[Category:Cam ]]

Sushoff at 16:53, 16 November 2025

2025-11-16T16:53:30Z

← Older revision		Revision as of 16:53, 16 November 2025
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	{{DISPLAYTITLE: Bagu (八谷)}}		{{DISPLAYTITLE: Bagu (八谷)}}
			[[File:Bagu profileCard SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu profile card (CC BY Sadegh Faghanpour for IAU-WGSN).]]
			[[File:Bagu stickfigure SadeghFaghanpour-IAU-WGSN.jpg\|thumb\|Bagu stickfigure (CC BY Sadegh Faghanpour for IAU-WGSN).]]
	Bā Gǔ ( Eight Kinds of Crops, 八穀) is a Chinese constellation consisting of eight stars located within the constellations Lynx'','' Auriga, and Camelopardalis. It belongs to the asterisms introduced by Gan De and originated during the Han dynasty.		Bā Gǔ ( Eight Kinds of Crops, 八穀) is a Chinese constellation consisting of eight stars located within the constellations Lynx'','' Auriga, and Camelopardalis. It belongs to the asterisms introduced by Gan De and originated during the Han dynasty.

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	[[Category:Asterism ]]		[[Category:Asterism ]]
	[[Category:Constellation ]]		[[Category:Constellation ]]
			[[Category:IAU-Star name]]
	[[Category:Eurasia]]		[[Category:Eurasia]]
	[[Category:East Asian]]		[[Category:East Asian]]
	[[Category:Chinese ]]		[[Category:Chinese ]]
	[[Category:Aur ]][[Category:Cam ]]		[[Category:Aur ]][[Category:Cam ]]

Ericmamajek: /* Star Name Discussion (IAU) */

2025-11-15T21:49:23Z

Star Name Discussion (IAU)

← Older revision		Revision as of 21:49, 15 November 2025
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	== Star Name Discussion (IAU) ==		== Star Name Discussion (IAU) ==
	In 2025, the name of the historical constellation ~~"Bagu"~~ was suggested to WGSN to be used for one of the stars in this constellation.		In 2025, the name of the historical constellation Bā Gǔ (八穀) was suggested to WGSN to be used for one of the stars in this constellation based on a review of Chinese cultural astronomy literature. Discussion focused on the bright star Delta Aurigae, which was the determinative star following multiple published versions of the asterism.

	WGSN adopted the name "Bagu" for the bright star designated Delta Aurigae (HR 2077, HD 40035, HIP 28358) on 12 November 2025. ~~The star is a single-lined spectroscopic binary catalogued in SBC9, i.e. it has a faint companion on a period of 3.51 years (Griffin 2009). Specifically the name is applied to the primary Aa.~~		WGSN adopted the name "Bagu" for the bright star designated Delta Aurigae (HR 2077, HD 40035, HIP 28358) on 12 November 2025.

	Bagu is a bright (V=3.72 mag) star at distance 43 parsecs. Since the middle of the 20th century, the star served as a Morgan-Keenan spectral standard for K0 giants. The star has a diameter about 12 times larger than that of our Sun.		Bagu is a bright (V=3.72 mag) star at distance 43 parsecs. Since the middle of the 20th century, the star served as a Morgan-Keenan spectral standard for K0 giants. The star has a diameter about 12 times larger than that of our Sun. The star is a single-lined spectroscopic binary catalogued in SBC9, i.e. it has a faint companion on a period of 3.51 years (Griffin 2009). Specifically the name is applied to the primary Aa.

	==References ==		==References ==

Ericmamajek: added brief summary about star

2025-11-15T21:41:50Z

added brief summary about star

← Older revision		Revision as of 21:41, 15 November 2025
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	== Star Name Discussion (IAU) ==		== Star Name Discussion (IAU) ==
	In 2025, the name of the historical constellation "Bagu" was suggested to be used for one of the stars in this constellation.		In 2025, the name of the historical constellation "Bagu" was suggested to WGSN to be used for one of the stars in this constellation.

	~~Decision: It was~~ adopted in November 2025 for ~~the~~ star ~~delta Aurigae~~.		WGSN adopted the name "Bagu" for the bright star designated Delta Aurigae (HR 2077, HD 40035, HIP 28358) on 12 November 2025. The star is a single-lined spectroscopic binary catalogued in SBC9, i.e. it has a faint companion on a period of 3.51 years (Griffin 2009). Specifically the name is applied to the primary Aa.

			Bagu is a bright (V=3.72 mag) star at distance 43 parsecs. Since the middle of the 20th century, the star served as a Morgan-Keenan spectral standard for K0 giants. The star has a diameter about 12 times larger than that of our Sun.

	==References ==		==References ==