HD 129116
HD 129116
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
Constellation | Centaurus |
Right ascension | 14h 41m 57.59s[1] |
Declination | −37° 47′ 37.6″[1] |
Apparent magnitude (V) | +4.01 |
| Characteristics | |
Spectral type | B3V |
| U−B color index | −0.70 |
| B−V color index | −0.17 |
Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +1 km/s |
| Proper motion (μ) | RA: -29.92 ± 0.14[1] mas/yr Dec.: -30.68 ± 0.13[1] mas/yr |
| Parallax (π) | 9.62 ± 0.18[1] mas |
| Distance | 339 ± 6 ly (104 ± 2 pc) |
| Absolute magnitude (MV) | −0.84 |
| Details | |
| Radius | 2.93 ± 0.12[2] R☉ |
| Surface gravity (log g) | 4.23 ± 0.03[2] cgs |
| Temperature | 18,445 ± 344[2] K |
| Other designations | |
HR 5471, HD 129116, CD−37°9618, HIP 71865, SAO 205839, GC 19779 | |
| Database references | |
| SIMBAD | data |
HD 129116, also known by its Bayer designation b Centauri (b Cen), is a star in the constellation Centaurus.
b Centauri is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.01. It is approximately 339 light years from Earth.
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
^ abc Fitzpatrick, E. L.; Massa, D. (March 2005), "Determining the Physical Properties of the B Stars. II. Calibration of Synthetic Photometry", The Astronomical Journal, 129 (3): 1642–1662, arXiv:astro-ph/0412542, Bibcode:2005AJ....129.1642F, doi:10.1086/427855
 | This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it. |
Categories:
- Bayer objects
- B-type main-sequence stars
- Centaurus (constellation)
- Henry Draper Catalogue objects
- HR objects
- Hipparcos objects
- Durchmusterung objects
- Main-sequence-star stubs
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