Tau Eridani
Tau Eridani (τ Eridani, τ Eri) is a group of fairly widely scattered stars in the constellation Eridanus.
![](../I/Eridanus_constellation_map.svg.png.webp)
![](../I/Red_oval.svg.png.webp)
Location of τ Eridani stars (circled)
They form an exception to the general rule that stars that share the same Bayer designation are close together: τ1 is nearly 20° away from τ9 (Pi Orionis is another example of this).
- τ1 Eridani (1 Eridani)[1]
- τ2 Eridani (2 Eridani)[2]
- τ3 Eridani (11 Eridani)[3]
- τ4 Eridani (16 Eridani)[4]
- τ5 Eridani (19 Eridani)[5]
- τ6 Eridani (27 Eridani)[6]
- τ7 Eridani (28 Eridani)[7]
- τ8 Eridani (33 Eridani)[8]
- τ9 Eridani (36 Eridani)[9]
All of them were member of asterism 天苑 (Tiān Yuàn), Celestial Meadows, Hairy Head mansion.[10]
References
- "HD 17206 -- Spectroscopic binary". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "2 Eri -- Star in double system". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "11 Eri -- Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "V* tau04 Eri -- Pulsating variable Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "HD 22203 -- Spectroscopic binary". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "LHS 1591 -- High proper-motion Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "28 Eri -- Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "V* tau08 Eri -- Rotationally variable Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- "V* tau09 Eri -- Variable Star of alpha2 CVn type". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-03.
- (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 12 日
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