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N Centauri








N Centauri


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N Centauri

Observation data
Epoch J2000.0      Equinox J2000.0

Constellation

Centaurus

Right ascension
13h 52m 04.861s[1]

Declination
−52° 48′ 41.51″[1]

Apparent magnitude (V)
+5.26
Characteristics

Spectral type
B9V
U−B color index
−0.32
B−V color index
−0.09

Variable type
none
Astrometry
Radial velocity (Rv) +27 km/s
Proper motion (μ) RA: -40.86 ± 0.64[1] mas/yr
Dec.: -27.25 ± 0.55[1] mas/yr
Parallax (π) 12.55 ± 0.79[1] mas
Distance 260 ± 20 ly
(80 ± 5 pc)
Absolute magnitude (MV) +0.03
Other designations
HR 5207, HD 120642, CP−52°6787A, HIP 67703, SAO 241239, GC 18720, CCDM J13521-5249
Database references
SIMBAD data

N Centauri (N Cen) is a double star in the constellation Centaurus. It is approximately 260 light years from Earth.


The more luminous star is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.26. Its fainter companion is a yellow-white F-type dwarf with an apparent magnitude of +7.72. The two stars show common proper motion, indicating they may be gravitationally bound. They are separated by 18 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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