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Apus is a small constellation in the southern sky. It represents a bird-of-paradise , and its name means "without feet" in Greek because the bird-of-paradise was once wrongly believed to lack feet. First depicted on a celestial globe by Petrus Plancius in 1598, it was charted on a star atlas by Johann Bayer in his 1603 Uranometria .
This is the list of notable stars in the constellation Apus, sorted by decreasing brightness. Name B G. Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes α ...
Alpha Apodis (Alpha Aps, α Apodis, α Aps) is the brightest star in the southern circumpolar constellation of Apus, with an apparent magnitude of approximately 3.825. [10] It had the Greek alpha designation as part of the constellation which Johann Bayer called Apis Indica in his 1603 Uranometria star atlas. [11]
R Apodis (HD 131109; HR 5540; 18 G. Apodis) is a solitary star [9] in the constellation Apus. It is faintly visible to the naked eye as an orange-hued point of light with an apparent magnitude of 5.36. [2] Parallax measurements imply a distance of 413 light-years [1] and it is drifting closer with a heliocentric radial velocity of −31.2 km/s. [6]
HD 124639 is a Be star in the southern constellation of Apus. It has an apparent visual magnitude of 6.42, [2] which makes it a challenge to view with the naked eye even under the best viewing conditions. Based upon an annual parallax shift of 3.41 mas as seen from Earth, it is 956 light years from the Sun.
HD 131425 (HR 5547) is a solitary star in the southern circumpolar constellation Apus. It has an apparent magnitude of 5.92, [2] allowing it to be seen with the naked eye under ideal conditions. Located 923 light years away, [1] it is receding with a heliocentric radial velocity of 1.9 km/s. [5]
Eta Apodis, Latinized from η Apodis, is a star in the southern circumpolar constellation Apus. Based upon parallax measurements from the Hipparcos mission, it is approximately 141 light-years (43 parsecs) from Earth. With an apparent visual magnitude of +4.9, [2] it can be viewed with the naked eye from the southern hemisphere.
Epsilon Apodis, Latinized from ε Apodis, is the Bayer designation for a star in the southern circumpolar constellation of Apus. It has an apparent visual magnitude of 5.06, [2] which is bright enough to be viewed from dark suburban skies. Based upon parallax measurements, it is at a distance of roughly 640 light-years (200 parsecs) from Earth. [1]