Upsilon1 Centauri
Upsilon1 Centauri
Jump to navigation
Jump to search
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
Constellation | Centaurus |
Right ascension | 13h 58m 40.75s[1] |
Declination | −44° 48′ 12.9″[1] |
Apparent magnitude (V) | +3.788[2] |
| Characteristics | |
Spectral type | B2 IV/V[2] |
| U−B color index | −0.80 |
| B−V color index | −0.20 |
| Astrometry | |
| Radial velocity (Rv) | +5 km/s |
| Proper motion (μ) | RA: 2998724900000000000♠−27.51±0.15[1] mas/yr Dec.: 2998775600000000000♠−22.44±0.13[1] mas/yr |
| Parallax (π) | 7.63 ± 0.16[1] mas |
| Distance | 427 ± 9 ly (131 ± 3 pc) |
| Absolute magnitude (MV) | −1.72[2] |
| Details | |
| Radius | 3.74 ± 0.34[3] R☉ |
| Luminosity | 1,884[2] L☉ |
| Surface gravity (log g) | 4.15 ± 0.07[3] cgs |
| Temperature | 21,411 ± 377[3] K |
| Other designations | |
υ1 Cen, CD−44° 9010, FK5 3112, HD 121790, HIP 68282, HR 5249, SAO 224585 | |
| Database references | |
| SIMBAD | data |
Upsilon1 Centauri, Latinized from υ1 Centauri, is the Bayer designation for a star in the constellation Centaurus.
υ1 Centauri is a blue-white B-type subgiant with an apparent magnitude of +3.87. It is approximately 427 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
^ abcd Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015.
^ 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 subgiant-star-related article is a stub. You can help Wikipedia by expanding it. |
Categories:
- Bayer objects
- B-type subgiants
- Centaurus (constellation)
- HR objects
- Henry Draper Catalogue objects
- Hipparcos objects
- Durchmusterung objects
- Subgiant-star stubs
(window.RLQ=window.RLQ||).push(function(){mw.config.set({"wgPageParseReport":{"limitreport":{"cputime":"0.368","walltime":"0.452","ppvisitednodes":{"value":1481,"limit":1000000},"ppgeneratednodes":{"value":0,"limit":1500000},"postexpandincludesize":{"value":68051,"limit":2097152},"templateargumentsize":{"value":3420,"limit":2097152},"expansiondepth":{"value":14,"limit":40},"expensivefunctioncount":{"value":3,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":11557,"limit":5000000},"entityaccesscount":{"value":3,"limit":400},"timingprofile":["100.00% 373.204 1 -total"," 41.76% 155.868 1 Template:Reflist"," 30.27% 112.951 1 Template:Cite_journal"," 20.29% 75.739 1 Template:Starbox_astrometry"," 12.98% 48.441 2 Template:Val"," 7.26% 27.099 1 Template:Other_stars_by_Bayer_designation"," 7.06% 26.334 5 Template:Navbox"," 6.63% 24.733 2 Template:Citation"," 6.15% 22.957 1 Template:Stars_of_Centaurus"," 5.70% 21.288 1 Template:Starbox_observe"]},"scribunto":{"limitreport-timeusage":{"value":"0.177","limit":"10.000"},"limitreport-memusage":{"value":5103424,"limit":52428800}},"cachereport":{"origin":"mw1268","timestamp":"20181027103726","ttl":1900800,"transientcontent":false}}});mw.config.set({"wgBackendResponseTime":125,"wgHostname":"mw1242"});});
Clash Royale CLAN TAG
