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ആൽഫാ സെന്റോറി അവലംബം ഗമന വഴികാട്ടിഇംഗ്ലീഷ് വിലാസംdatadata0708.17522007A&A...474..653V10.1051/0004-6361:200783572002yCat.2237....0Dastro-ph/06092582006A&A...460..695T10.1051/0004-6361:200656020004-63612005ApJS..159..141V10.1086/4305000067-004910.1007/978-3-642-22839-1_101614-659Xastro-ph/03036342003A&A...404.1087K10.1051/0004-6361:200305700004-6361astro-ph/05122192006A&A...449..723G10.1051/0004-6361:20053850

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ആൽഫാ സെന്റോറി




വിക്കിപീഡിയ, ഒരു സ്വതന്ത്ര വിജ്ഞാനകോശം.






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Alpha Centauri



Alpha, Beta and Proxima Centauri (1).jpg
α Centauri and β Centauri, with Proxima circled


Observation data
Epoch J2000.0      Equinox J2000.0

Constellation

Centaurus

Alpha Centauri A

Right ascension
14h 39m 36.49400s[1]

Declination
–60° 50′ 02.3737″[1]

Apparent magnitude (V)
+0.01[2]

Alpha Centauri B

Right ascension
14h 39m 35.06311s[1]

Declination
–60° 50′ 15.0992″[1]

Apparent magnitude (V)
+1.33[2]
സ്വഭാവഗുണങ്ങൾ
സ്പെക്ട്രൽ ടൈപ്പ്G2V[3]
U-B കളർ ഇൻഡക്സ്+0.24[2]
B-V കളർ ഇൻഡക്സ്+0.71[2]
സ്വഭാവഗുണങ്ങൾ
സ്പെക്ട്രൽ ടൈപ്പ്K1V[3]
U-B കളർ ഇൻഡക്സ്+0.68[2]
B-V കളർ ഇൻഡക്സ്+0.88[2]

ആസ്ട്രോമെട്രി
കേന്ദ്രാപഗാമി പ്രവേഗം(radial velocity) (Rv)
−21.4 ± 0.76[4]km/s
പ്രോപ്പർ മോഷൻ (μ) RA: −3679.25[1]mas/yr
Dec.: 473.67[1]mas/yr
ദൃഗ്‌ഭ്രംശം (π)754.81 ± 4.11[1]mas
ദൂരം4.37[5]ly (dist_pc pc)
കേവലകാന്തിമാനം (MV)4.38[6]
ഡീറ്റെയിൽസ്
പിണ്ഡം1.100[7]M
വ്യാസാർദ്ധം1.227[8]R

ഉപരിതല ഗുരുത്വം (log g)
4.30[9]
പ്രകാശതീവ്രത1.519[7]L
താപനില5,790[7]K
സ്റ്റെല്ലാർ റോടേഷൻ22[8] days

മറ്റു ഡെസിഗ്നേഷൻസ്

Rigil Kentaurus, Rigil Kent, Toliman, Bungula, Gliese 559, FK5 538, CD−60°5483, CCDM J14396-6050, GC 19728

ഡാറ്റാബേസ് റെഫെറെൻസുകൾ

SIMBAD

data
ARICNS data

സൂര്യൻ കഴിഞ്ഞാൽ ഭൂമിയോട് ഏറ്റവും അടുത്ത് സ്ഥിതിചെയ്യുന്നതും ദൃശ്യമായതുമായ നക്ഷത്രമാണ് ആൽഫാ സെന്റോറി അഥവാ റീഗൽ കെന്റ്.



അവലംബം




  1. 1.01.11.21.31.41.51.6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground: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 .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground: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 .citation .cs1-lock-subscription abackground: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-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. 2.02.12.22.32.42.5 Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237: 0. Bibcode:2002yCat.2237....0D.


  3. 3.03.1 Torres, C. A. O.; Quast, G. R.; da Silva, L.; de la Reza, R.; Melo, C. H. F.; Sterzik, M. (2006). "Search for associations containing young stars (SACY)". Astronomy and Astrophysics. 460 (3): 695–708. arXiv:astro-ph/0609258. Bibcode:2006A&A...460..695T. doi:10.1051/0004-6361:20065602. ISSN 0004-6361.


  4. Valenti, Jeff A.; Fischer, Debra A. (2005). "Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs". The Astrophysical Journal Supplement Series. 159 (1): 141–166. Bibcode:2005ApJS..159..141V. doi:10.1086/430500. ISSN 0067-0049.


  5. Wilkinson, John (2012). "The Sun and Stars". New Eyes on the Sun. Astronomers' Universe. pp. 219–236. doi:10.1007/978-3-642-22839-1_10. ISBN 978-3-642-22838-4. ISSN 1614-659X.


  6. ഉദ്ധരിച്ചതിൽ പിഴവ്: അസാധുവായ <ref> ടാഗ്;
    Wiegert എന്ന അവലംബങ്ങൾക്ക് ടെക്സ്റ്റ് ഒന്നും കൊടുത്തിട്ടില്ല.



  7. 7.07.17.2 ഉദ്ധരിച്ചതിൽ പിഴവ്: അസാധുവായ <ref> ടാഗ്;
    Thevenin02 എന്ന അവലംബങ്ങൾക്ക് ടെക്സ്റ്റ് ഒന്നും കൊടുത്തിട്ടില്ല.



  8. 8.08.1 Kervella, P.; Thévenin, F.; Ségransan, D.; Berthomieu, G.; Lopez, B.; Morel, P.; Provost, J. (2003). "The diameters of α Centauri A and B". Astronomy and Astrophysics. 404 (3): 1087–1097. arXiv:astro-ph/0303634. Bibcode:2003A&A...404.1087K. doi:10.1051/0004-6361:20030570. ISSN 0004-6361.


  9. Gilli G.; Israelian G.; Ecuvillon A.; Santos NC.; Mayor M. (2006). "Abundances of Refractory Elements in the Atmospheres of Stars with Extrasolar Planets". Astronomy and Astrophysics. 449 (2): 723–36. arXiv:astro-ph/0512219. Bibcode:2006A&A...449..723G. doi:10.1051/0004-6361:20053850. libcode 2005astro.ph.12219G.










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