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The Greek constellation of Hydra is an adaptation of a Babylonian constellation: the MUL.APIN includes a "serpent" constellation (MUL.DINGIR.MUŠ) that loosely corresponds to Hydra. It is one of two Babylonian "serpent" constellations (the other being the origin of the Greek Serpens), a mythological hybrid of serpent, lion and bird. [2]
This image is a derivative work of the following images: File:Hydra_constellation_map.png licensed with Cc-by-sa-3.0-migrated, GFDL 2004-12-12T18:12:45Z Alfio 2559x1419 (196865 Bytes) Hydra constellation map; Uploaded with derivativeFX
27 Hydrae is a triple star system [5] system in the equatorial constellation of Hydra, [9] located 222 light years away from the Sun. [1] It is visible to the naked eye as a faint, orange-hued star with a combined apparent visual magnitude of 4.82. [2] The system is moving further from the Earth with a heliocentric radial velocity of +25.6 km/s ...
Xi Hydrae, Latinised from ξ Hydrae, is a solitary [9] star in the equatorial constellation of Hydra. It was also given the Flamsteed designation 19 Crateris. This magnitude 3.54 [2] star is situated 130 light-years from Earth and has a radius about 10 times that of the Sun. It is radiating 58 times as much luminosity as the Sun. [6]
NGC 3200 is a large spiral galaxy located in the constellation Hydra. Its velocity relative to the cosmic microwave background is 3,877 ± 25 km/s, which corresponds to a Hubble distance of 57.2 ± 4.0 Mpc (~187 million ly). NGC 3200 was discovered by American astronomer Edward Singleton Holden in 1882. [1]
This is the list of notable stars in the constellation Hydra, sorted by decreasing brightness. Name B F G. Var HD HIP RA Dec vis. mag. abs. ... = Distance in light ...
Chi 1 Hydrae (χ 1 Hydrae) is a binary star [3] in the equatorial constellation of Hydra. It originally received the Flamsteed designation of 9 Crateris before being placed in the Hydra constellation. [10] Based upon an annual parallax shift of 22.8 mas as seen from Earth, it is located about 143 light years from the Sun.
NGC 5135 is a barred spiral galaxy located in the constellation Hydra. It is located at a distance of about 200 million light years from Earth. It was discovered by John Herschel on May 8, 1834. [ 2 ]