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D Centauri








D Centauri


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For d Centauri, see HD 117440.





































































D Centauri
Observation data
Epoch J2000.0      Equinox J2000.0

Constellation
Centaurus

Right ascension
 12h 14m 02.697s[1]

Declination
 −45° 43′ 26.10″[1]

Apparent magnitude (V)
 +5.31
Characteristics

Spectral type
 K3III
U−B color index
 +1.59
B−V color index
 +1.43

Variable type
 none
Astrometry
Radial velocity (Rv) +7 km/s
Proper motion (μ) RA: -35.35 ± 0.37[1] mas/yr
Dec.: 5.56 ± 0.30[1] mas/yr
Parallax (π) 5.71 ± 0.54[1] mas
Distance 570 ± 50 ly
(180 ± 20 pc)
Absolute magnitude (MV) −0.88
Other designations
HR 4652, HD 106321, CD−45°7630, HIP 59654, SAO 223297, GC 16703, CCDM J12140-4543
Database references
SIMBAD data

D Centauri (D Cen) is a double star in the constellation Centaurus. The system has a combined apparent magnitude of +5.31 and is approximately 570 light years from Earth.


The system is classified as an orange K-type giant. The brighter component has an apparent magnitude of +5.31, while the apparent magnitude of the optical companion is +6.8. The two stars are separated by 2.9 arcseconds.



References[edit]





  1. ^ abcde van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
    Vizier catalog entry












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