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Delta Orionis is the star's Bayer designation, 34 Orionis its Flamsteed designation. The name Mintaka itself is derived from an Arabic term for 'belt': منطقة or manṭaqa. [18] In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) [19] to catalog and standardize proper names for stars.
Delta Horologii (δ Horologii) is a binary star [3] system in the constellation Horologium. It is visible to the naked eye with a combined apparent visual magnitude of 4.93. [ 2 ] As of 2014, the pair had an angular separation of 0.20 arc seconds along a position angle of 24°. [ 9 ]
Delta Capricorni, or δ Capricorni, is a binary star located 38.7 light-years from the Sun in the constellation of Capricornus (the Sea Goat).The system consists of an eclipsing binary, [12] Delta Capricorni A, and two visual companions that are over 10 magnitudes fainter, labeled B and C. [13] Delta Capricorni A's two components are designated Delta Capricorni Aa (formally named Deneb Algedi ...
Multiple star catalogues list several companions to δ 2 Lyrae, with designations such as ADS 11825. Two of them are a close pair of 10th magnitude stars about 87" from δ 2, designated components B and C. [13] The spectral type of the pair suggests that they are at the same distance as Delta 2 Lyrae, which could mean that the three stars form a triple star system.
Delta Draconis (δ Draconis, abbreviated Delta Dra, δ Dra), formally named Altais / æ l ˈ t eɪ. ɪ s / , [ 10 ] is a yellow star in the constellation of Draco . It has an apparent visual magnitude of 3.0, [ 2 ] making it easily visible to the naked eye.
Delta Cephei (δ Cep, δ Cephei) is a quadruple star system [4] located approximately 887 light-years away in the northern constellation of Cepheus, the King. At this distance, the visual magnitude of the star is diminished by 0.23 as a result of extinction caused by gas and dust along the line of sight. [ 6 ]
Delta Eridani, Latinized from δ Eridani, also named Rana, is the fifth-brightest star in the constellation of Eridanus. The star is visible to the naked eye with an apparent magnitude of 3.54. It is relatively near to the Sun , with a distance of about 29.6 light-years as determined from parallax . [ 1 ]
Delta Aquilae, Latinized from δ Aquilae, is a binary star system in the equatorial constellation of Aquila. It has an apparent visual magnitude of 3.4 [ 2 ] and, based upon parallax measurements, is located at a distance of about 50.6 light-years (15.5 parsecs ) from Earth. [ 1 ]