D Centauri
D Centauri
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| 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]
^ 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
 | This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it. |
Categories:
- Bayer objects
- Double stars
- Centaurus (constellation)
- K-type giants
- Hipparcos objects
- Henry Draper Catalogue objects
- HR objects
- Durchmusterung objects
- Multiple star stubs
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