Leo

star chart
Leo star chart (IAU and Sky & Telescope magazine, Roger Sinnott & Rick Fienberg).

One of the 88 IAU constellations with Greco-Roman background. It has been developed from a Babylonian predecessor (UR.GU.LA)

Etymology and History

The Greek constellation ...


Kugel Globe: Cancer, Leo, Hydra, Virgo (drawing by SMH 2024)

Origin of Constellation

Leo and Virgo above the MUŠ-Dragon, two claytablet drawings from the Seleucid era (roughly 2nd century BCE), CC BY SMH based upon the drawings by E. Weidner (1967) and Thureau-Dangin (1922).

Babylonian

Greco-Roman

Aratos

Beneath the Bear’s head are the Twins, beneath her belly the Crab, and under her hind legs the Lion shines brightly. This is where the sun’s track is hottest, [150] and the fields are seen bereft o f their corn-ears when the sun first comes into conjunction with the Lion. This is the time when the whistling etesian winds sweep strongly across the broad sea, and it is no longer seasonable for ships to be under oars. Then let broad-beamed ships be my pleasure, [155] and let helmsmen hold their steering-oars into the wind. (Kidd 1997)

Eratosthenes
Hipparchus
Hyginus, Astronomica

He is said to have been put among the stars because he is considered the king of beasts. Some writers add that Hercules' first Labor was with him and that he killed him, unarmed. Pisandrus and many others have written about this. Above his likeness in the sky nearest the Virgin are seven other stars near his tail, arranged in a triangle, which Conon, the mathematician, and Callimachus call the Lock of Berenice. When Ptolemy had married his sister Berenice, daughter of Ptolemy and Arsinoe, and after a few days had set out to attack Asia, Berenice vowed that if Ptolemy returned as victor she would clip off her hair. She placed the lock, consecrated by this vow, in the temple of Venus Arsinoe Zephyritis, but on the following day it couldn't be seen there. When the king was distressed by this, Conon the mathematician, whom we mentioned above, desiring to win the favor of the king, said that he had seen the lock among the constellations, and pointed out seven stars without definite configuration which he imagined were the lock. Some authors along with Callimachus have said that this Berenice raised horses, and used to send them to Olympia. Others add that once Ptolemy, Berenice's father, in panic at the number of the enemy, had sought safety in flight, but his daughter, an accomplished horsewoman, leaped on a horse, organized the remaining troops, killed many of the enemy, and put the rest to flight. For this even Callimachus calls her high-souled. Eratosthenes says that she ordered returned to the girls of Lesbos the dowry left to them by their parents, which no one had released, and she established among them right to bring action of recovery. (Mary Ward 1960)

Geminos

Almagest Δέοντος.

idGreek

(Heiberg 1898)

English

(Toomer 1984)

ident.
Λέουτος ἀστεριῦμόρ.Constellatian of Leo
1ὁ ἐπ’ ἄκρου τοῦ μοκτῆρος.The star on the tip of 'the nostrils'kap Leo
2ὁ ἐν τῷ χάσματιThe star in the gaping Jawslam Leo
3τῶν ἐν τῇ κεφαλῇ β ὁ βορειότερος.The northernmost of the twa stars in the headmu Leo
4ὁ νοτιώτερος αὐτῶν.The southernmost of theseeps Leo
5τῶν ἐν τῷ τραχήλῳ ἡ’ ὁ βόρειοςThe northernmost of the 3 stars in the neckzet Leo
6ὁ ἐχόμευος καὶ μέσος τῶν τριῶν.The one close to this, the middle one of the threegam Leo
7ὁ φότιος αὐτῶνThe southernmost of themeta Leo
8ὁ ἐπὶ τῆς καρδίας καλούμευος Βασιλίσκος.The star on the heart, called 'Regulus'alf Leo
9ὁ φοτιώτερος αὐτοῦ καὶ ὡς ἐπὶ τοῦ στήθουςThe one south of this, about an the chest31 Leo
10ὁ μικρῷ προηγούμευος τοῦ ἐπὶ τῆς καρδίας.The star a little in advance of the star on the heartnu Leo
11ὁ ἐπὶ τοῦ δεξιοῦ χόνατοςThe star on the right kneepsi Leo
12ὁ ἐπὶ τῆς ἐμπροσθίας δεξιᾶς δρακόςThe star on the right front claw--clutchxi Leo
13ὁ ἐπὶ τῆς ἐμπροσθίας καὶ ἀριστερᾶς δρακός.The star: an the left front claw-clutchomi Leo
14ὁ ἐπὶ τοῦ ἀριστεροῦ γόρατος.The star-an the left [front] kneepi Leo
15ὁ ἐπὶ τοῦ ἀριστεροῦ γόρατος.The Star an the left armpitrho Leo
16τῶν ἐν τῇ γαστρὶ τριῶν ὁ προηγούμενος.The most advanced of the three stars in the belly46 Leo
17τῶν λοιπῶν καὶ ἐπομένων β’ ὁ βόρειος.The northernmost of the other, rearmost 252 Leo
18ὁ νοτιώτερος αὐτῶν.The southernmost af these [ two ]53 Leo
19τῶν ἐπὶ τῆς ὀσφύος β ὁ προηγούμενος.The nlore advanced of the two stars on the rump60 Leo
20ὁ ἑπόμενος αὐτῶνThe rearmast of themdel Leo
21τῶν ἐκ τοῦς χλουτοῖς β’ ὁ βορειότερος.The northernmost of the 2 stars in the buttocks81 Leo
22ὁ νοτιώτερος αὐτῶνThe southernmost of themtet Leo
23ὁ ἐν τοῖς ὀπισθομήροις..The star in the hind thighsiot Leo
24ὁ ἐν ταῖς ὀπισθίαις ἀγκύλαιςThe star in the hind leg-bendssig Leo
25ὁ τούτου νοτιώτερος ὡς ἐ» τοῦς πήχεσιThe one south of this, about in the lower legstau Leo
26ὁ ἐπὶ τῶν ὀπισθύων δρακῶν.The star on the hind claw-clutchesups Leo
27ὁ ἐπ’ ἄκρας τῆς οὐρᾶςThe star on the end of the tailbet Leo
ἀστέρες κξ, ὧν αἱ μεγέθους β, β’ β, γ’ς, δ’η, ε' ε, ς' ὅ.27 stars, 2 of the first magnitude, 2 of the second, 6 of the third, 8 of the fourth, 5 of the fifth, 4 of the sixth
Οἱ περὶ τὸν Λέουτα ἀμόρφωτοι.Stars around Leo outside the constellation:
28ὁ τῶν ὑπὲρ τὸν νῶτον β ὁ προηγούμευοςThe more advanced of the 2 over the back41 LMi
29ὁ ἐπόμευος αὐτῶνThe rearmost of them54 Leo
30τῶν ὑπὸ τὴν λαγόνα τ’ ὁ βόρειος.The northernmost of the 3 under the flankchi Leo
31ὁ μέσος αὐτῶν.The middle one of these59 Leo
32ὁ νότιος αὐτῶνThe southernmost of them58 Leo
33τῆς μεταξὺ τῶν ἄκρων τοῦ Λέουτος καὶ τῆς Ἄρκτου κεφελοειδοῦς σοστροφῆς καλουμένου Πλοκάμου τὸ βορειότατονThe northernmost part of the nebulous mass between the edges of Leo and Ursa [Major], called Coma [Berenices]15 Com
34τῶν νοτίων τοῦ Πλοκάμου ἐξοχῶν ἡ προηγουμένηThe most advanced of the southern outrunners of Coma7 Com
35ἡ ἐπομένη αὐτῶν ἐν σχήματι φύλλου κισσίνουThe rearmost of them, shaped like an ivy leaf23 Com
ἀστέρες ἐ, ὧν δ’ μεγέθους ἂ, ε’ ὃ, καὶ ὁ Πλόκαμος.

Transfer and Transformation of the Constellation

Mythology

Weblinks

References