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[[File:Egypt_Rert_stellarium-RSC.jpg|thumb|Egyptian constellation Reret, The Female Hippotamus, identified with Ramesside Star Clocks, mapped to Stellarium (CC BY Petrie 1940, SMH 2026). For this screenshot the time and date settings are Alexandria -1180. ]]
[[File:Egypt_Rert_stellarium-RSC.jpg|thumb|Egyptian constellation Reret, The Female Hippotamus, identified with Ramesside Star Clocks, mapped to Stellarium (CC BY Petrie 1940, SMH 2026). For this screenshot the time and date settings are Alexandria -1180. ]]
Reret, ''rrt'', The Hippotamus, is an Egyptian constellation, preserved in the 2nd millennium BCE. Based on Ramesside Star Clocks,<ref>Neugebauer, O. and Parker, R. A., 1969. ''Egyptian Astronomical Texts'', vol. III. Providence: Brown University.</ref><ref>Leitz, Ch., 1995. Altägyptische Sternuhren. OLA, 62. Leuven: Peeters.</ref> it is known that it covers ... RA-hours.<ref>Petrie W.M.F. (1940). Wisdom of the Egyptians. London.</ref>   
[[File:Hippo-hi Zodiaque de Dendéra - Musée du Louvre Antiquités Egyptiennes D 38 ; E 13482.gif|thumb|Detail from the circular zodiac of Dendera with the Hippo Goddess next to the Bull's Thigh (photo: Musée du Louvre, GIF SMH).]]
Reret, ''rrt'', The Hippotamus, is an Egyptian constellation, preserved in the 2nd millennium BCE. Based on Ramesside Star Clocks,<ref>Neugebauer, O. and Parker, R. A., 1969. ''Egyptian Astronomical Texts'', vol. III. Providence: Brown University.</ref><ref>Leitz, Ch., 1995. Altägyptische Sternuhren. OLA, 62. Leuven: Peeters.</ref> it is known that it covers ... RA-hours.<ref name=":1">Petrie W.M.F. (1940). Wisdom of the Egyptians. London.</ref>   


==Concordance, Etymology, History==
==Concordance, Etymology, History==
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=== Sources ===
=== Sources ===
[[File:Stars in Nekhet Belmonte2003-tab2 RSC.png|thumb|Stars in the Egyptian constellation The Giant, Nekhet, mentioned in the RSCs (CC BY Belmonte 2003<ref name=":0">Belmonte, J. A., 2003. The Ramesside star clocks and the ancient Egyptian constellations. In M. Blomberg, P. E. Blomberg and G. Henriksson (Eds.), ''Calendars, Symbols, and Orientations: Legacies of Astronomy in Culture'' (pp. 57–65). ''Uppsala Astronomical Observatory report'', 59. Uppsala Ocarina Books.</ref>, tab. 2).]]
[[File:Stars in Reret+itsPole Belmonte2003-tab2 RSC.png|thumb|Stars in the Egyptian constellation The Giant, Nekhet, mentioned in the RSCs (CC BY Belmonte 2003<ref name=":0">Belmonte, J. A., 2003. The Ramesside star clocks and the ancient Egyptian constellations. In M. Blomberg, P. E. Blomberg and G. Henriksson (Eds.), ''Calendars, Symbols, and Orientations: Legacies of Astronomy in Culture'' (pp. 57–65). ''Uppsala Astronomical Observatory report'', 59. Uppsala Ocarina Books.</ref>, tab. 2).]]
Ramesside Star Clocks (RSC) are ceiling paintings in some tombs in the Valley of Kings, Egypt, from the Ramesside Period.<ref>Marshall Clagett (1989). Ancient Egyptian Science: Calendars, clocks, and astronomy. American Philosophical Society.</ref> They are not actually used star clocks but information on stars in transit (probably through the meridian) provided in tabular layout.  
Ramesside Star Clocks (RSC) are ceiling paintings in some tombs in the Valley of Kings, Egypt, from the Ramesside Period.<ref>Marshall Clagett (1989). Ancient Egyptian Science: Calendars, clocks, and astronomy. American Philosophical Society.</ref> They are not actually used star clocks but information on stars in transit (probably through the meridian) provided in tabular layout.  


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|Foot of the hippopotamus
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|rho Boo
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|Feet of the hippopotamus
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|180
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|12.0
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|[[Izar]] -eps Boo- (12.1) & rho Boo (11.9)
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|Knee of the hippopotamus
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|198
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|13.2
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|Gemma (13.5)
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|Middle of her thighs
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|206
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|13.7
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|Gemma (13.5) & CrB
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|Vulva of the hippopotamus
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|211
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|14.0
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|Between [[Corona Borealis|Corona Bor]] & [[Hercules]]
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|Buttocks of the hippopotamus
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|219
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|14.6
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|eps Her (14.8) & zet Her (14.5)
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|Breast of the hippopotamus
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|228
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|15.2
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|pi Her (15.3)
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|Her tongue
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|240
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|16.0
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|[[Rastaban]] - bet Dra- (16.2)
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|The 2 feathers of hippopotamus
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|250
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|16.7
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|[[Lyra]] with [[Vega]] (16.7)
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[[File:Fig 4 45 Petrie1940 sky.jpg|thumb|Star map of the Egyptian Sky for the Ramesside Star Clocks. Petrie W.M.F. (1940)<ref name=":1" />. Wisdom of the Egyptians. London, fig. 4.45.]]


=== Identification(s) ===
=== Identification(s) ===

Latest revision as of 05:25, 7 March 2026

Authors: Susanne M Hoffmann

Egyptian constellation Reret, The Female Hippotamus, identified with Ramesside Star Clocks, mapped to Stellarium (CC BY Petrie 1940, SMH 2026). For this screenshot the time and date settings are Alexandria -1180.
Detail from the circular zodiac of Dendera with the Hippo Goddess next to the Bull's Thigh (photo: Musée du Louvre, GIF SMH).

Reret, rrt, The Hippotamus, is an Egyptian constellation, preserved in the 2nd millennium BCE. Based on Ramesside Star Clocks,[1][2] it is known that it covers ... RA-hours.[3]

Concordance, Etymology, History

Variants

  • rrt
  • Reret
  • Rert

Sources

Stars in the Egyptian constellation The Giant, Nekhet, mentioned in the RSCs (CC BY Belmonte 2003[4], tab. 2).

Ramesside Star Clocks (RSC) are ceiling paintings in some tombs in the Valley of Kings, Egypt, from the Ramesside Period.[5] They are not actually used star clocks but information on stars in transit (probably through the meridian) provided in tabular layout.

There are ... stars related to Nekht named in the Ramesside Star Clocks (RSC)[4].

Star / Asterism Name

(transliteration)

Translation RA (degr) RA (h) ident. (Belmonte 2003)
Foot of the hippopotamus rho Boo
Feet of the hippopotamus 180 12.0 Izar -eps Boo- (12.1) & rho Boo (11.9)
Knee of the hippopotamus 198 13.2 Gemma (13.5)
Middle of her thighs 206 13.7 Gemma (13.5) & CrB
Vulva of the hippopotamus 211 14.0 Between Corona Bor & Hercules
Buttocks of the hippopotamus 219 14.6 eps Her (14.8) & zet Her (14.5)
Breast of the hippopotamus 228 15.2 pi Her (15.3)
Her tongue 240 16.0 Rastaban - bet Dra- (16.2)
The 2 feathers of hippopotamus 250 16.7 Lyra with Vega (16.7)
Star map of the Egyptian Sky for the Ramesside Star Clocks. Petrie W.M.F. (1940)[3]. Wisdom of the Egyptians. London, fig. 4.45.

Identification(s)

  • "..." (Belmonte 2003)[4]
  • "..." (Belmonte & Lull 2023)[6]
  • Petrie's drawing also extends across this area
  • The circular zodiac in Dendera the image is drawn .... An accurate identification is not possible but it matches the suggestions above.

Mythology

IAU Working Group on Star Names

The name "Reret" suggested to be considered by the IAU WGSN in 2023. Reret extends for ... hours of RA (from the RSCs).

The WGSN chose ... (not to apply/ to apply the name to a neighbouring star/ to ...) in the IAU-CSN.

Reference

  1. ↑ Neugebauer, O. and Parker, R. A., 1969. Egyptian Astronomical Texts, vol. III. Providence: Brown University.
  2. ↑ Leitz, Ch., 1995. Altägyptische Sternuhren. OLA, 62. Leuven: Peeters.
  3. ↑ 3.0 3.1 Petrie W.M.F. (1940). Wisdom of the Egyptians. London.
  4. ↑ 4.0 4.1 4.2 Belmonte, J. A., 2003. The Ramesside star clocks and the ancient Egyptian constellations. In M. Blomberg, P. E. Blomberg and G. Henriksson (Eds.), Calendars, Symbols, and Orientations: Legacies of Astronomy in Culture (pp. 57–65). Uppsala Astronomical Observatory report, 59. Uppsala Ocarina Books.
  5. ↑ Marshall Clagett (1989). Ancient Egyptian Science: Calendars, clocks, and astronomy. American Philosophical Society.
  6. ↑ Belmonte, J.A. andd Lull, J., 2023. Astronomy in ancient Egypt: a cultural perspective. Cham: Springer.
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