Beta Ceti: Pagkakaiba sa mga binago
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| metal_fe = –0.09<ref name=aj135_1_209/> |
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Ang '''Beta Ceti''' (β Cet, β Ceti) ay ang pinakamaliwanag na [[bituin]] sa [[konstelasyon]] ng [[Cetus]]. Kahit na mayroon itong [[pagtatanda ni Bayer]] na "beta", ito ang talagang mas maliwanag kaysa sa [[Alpha Ceti]]. May tradisyunal na pangalan itong'''Deneb Kaitos''' at '''Diphda'''. Madaling makita ang naranghang higanteng ito dahil sa lokasyon nito sa madilim na |
Ang '''Beta Ceti''' (β Cet, β Ceti) ay ang pinakamaliwanag na [[bituin]] sa [[konstelasyon]] ng [[Cetus]]. Kahit na mayroon itong [[pagtatanda ni Bayer]] na "beta", ito ang talagang mas maliwanag kaysa sa [[Alpha Ceti]]. May tradisyunal na pangalan itong'''Deneb Kaitos''' at '''Diphda'''. Madaling makita ang naranghang higanteng ito dahil sa lokasyon nito sa madilim na seksiyon ng [[panlangit na timbulog]]. Base sa sukatang [[paralaks]], makikita ito sa tinantiyang layo na {{Convert|96.3|ly|pc|abbr=off|lk=on}} mula sa Mundo.<ref name=aaa474_2_653/> |
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==Talababa== |
==Talababa== |
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<ref name="HR1">{{cite web | title=Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | work=[[VizieR]] | publisher=[[Centre de Données astronomiques de Strasbourg]] | url=http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HR%206695 | accessdate=2010-09-30 }}</ref> |
<ref name="HR1">{{cite web | title=Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | work=[[VizieR]] | publisher=[[Centre de Données astronomiques de Strasbourg]] | url=http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HR%206695 | accessdate=2010-09-30 }}</ref> |
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<ref name=sagesser_jordan2005>{{cite conference | last1=Sägesser | first1=S. N. | last2=Jordan | first2=C. | title=Emission measures for the single giant β Ceti | booktitle=Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, held 5-9 July, 2004 in Hamburg, Germany | editor1-first=F. | editor1-last=Favata | editor2-first=G. A. J. | editor2-last=Hussain | editor3-first=B. | editor3-last=Battrick | publisher=European Space Agency | page=931 | month=March | year=2005 | bibcode=2005ESASP.560..931S }}</ref> |
<ref name=sagesser_jordan2005>{{cite conference | last1=Sägesser | first1=S. N. | last2=Jordan | first2=C. | title=Emission measures for the single giant β Ceti | booktitle=Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, held 5-9 July, 2004 in Hamburg, Germany | editor1-first=F. | editor1-last=Favata | editor2-first=G. A. J. | editor2-last=Hussain | editor3-first=B. | editor3-last=Battrick | publisher=European Space Agency | page=931 | month=March | year=2005 | bibcode=2005ESASP.560..931S }}</ref> |
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<ref name=chandra>{{cite web | date= |
<ref name=chandra>{{cite web | date=20 Pebrero 2009 | title=Beta Ceti: Giant Star's Corona Brightens with Age | publisher=Harvard-Smithsonian Center for Astrophysics | work=Chandra Photo Album | url=http://chandra.harvard.edu/photo/2004/bceti/ | accessdate=2011-12-28 }}</ref> |
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<ref name=aaa343_222>{{citation | last1=Elgarøy | first1=Øystein | last2=Engvold | first2=Oddbjørn | last3=Lund | first3=Niels | title=The Wilson-Bappu effect of the MgII K line - dependence on stellar temperature, activity and metallicity | journal=Astronomy and Astrophysics | volume=343 | pages=222–228 | month=March | year=1999 | bibcode=1999A&A...343..222E }}</ref> |
<ref name=aaa343_222>{{citation | last1=Elgarøy | first1=Øystein | last2=Engvold | first2=Oddbjørn | last3=Lund | first3=Niels | title=The Wilson-Bappu effect of the MgII K line - dependence on stellar temperature, activity and metallicity | journal=Astronomy and Astrophysics | volume=343 | pages=222–228 | month=March | year=1999 | bibcode=1999A&A...343..222E }}</ref> |
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[[Kategorya:Mga bagay ni Bayer|Ceti, Beta]] |
[[Kategorya:Mga bagay ni Bayer|Ceti, Beta]] |
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[[Kategorya:Cetus (konstelasyon)]] |
[[Kategorya:Cetus (konstelasyon)]] |
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Pagbabago noong 12:55, 12 Disyembre 2013
Impormasyon sa pagtingin Epoka J2000 Equinox J2000 | |
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Konstelasyon | Cetus |
Kanang asensiyon | 00h 43m 35.37090s[1] |
Deklinasyon | –17° 59′ 11.7827″[1] |
Maliwanag na kalakhan (V) | 2.02[2] |
Katangian | |
Pag-uuring pambituin | K0 III[3] |
U−B sa talatuntunan ng kulay | +0.88[2] |
B−V sa talatuntunan ng kulay | +1.01[2] |
Uri ng baryabulo | Rotasyonal |
Astrometriya | |
Radyal na hagibis (Rv) | +12.9[4] km/s |
Tamang mosyon (μ) | KA: +232.55[1] mas/yr Dek.: +31.99[1] mas/yr |
Paralaks (π) | 33.86 ± 0.16[1] mas |
Layo | 96.3 ± 0.5 st (29.5 ± 0.1 pc) |
Lubusang kalakhan (MV) | –0.13[5] |
Detalye | |
Bigat | 2.8[6] M☉ |
Radyos | 16.78 ± 0.25[7] R☉ |
Luminosidad | 139.1 ± 7.0[7] L☉ |
Pang-ibabaw na grabidad (log g) | 2.7[8] |
Temperatura | 4,797[8] K |
Metalisidad [Fe/H] | –0.09[8] dex |
Rotasyonal na hagibis (v sin i) | 18[9] km/s |
Edad | > 1[10] Gyr |
Iba pang pagtatanda | |
Sangguniang pangimpormasyon | |
SIMBAD | data |
ARICNS | data |
Ang Beta Ceti (β Cet, β Ceti) ay ang pinakamaliwanag na bituin sa konstelasyon ng Cetus. Kahit na mayroon itong pagtatanda ni Bayer na "beta", ito ang talagang mas maliwanag kaysa sa Alpha Ceti. May tradisyunal na pangalan itongDeneb Kaitos at Diphda. Madaling makita ang naranghang higanteng ito dahil sa lokasyon nito sa madilim na seksiyon ng panlangit na timbulog. Base sa sukatang paralaks, makikita ito sa tinantiyang layo na 96.3 light-year (29.5 parsec) mula sa Mundo.[1]
Talababa
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 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.
{{cite journal}}
: Unknown parameter|month=
ignored (tulong) - ↑ 2.0 2.1 2.2 Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
- ↑ Montes, D.; et al. (2001), "Late-type members of young stellar kinematic groups - I. Single stars", Monthly Notices of the Royal Astronomical Society, 328 (1): 45–63, arXiv:astro-ph/0106537, Bibcode:2001MNRAS.328...45M, doi:10.1046/j.1365-8711.2001.04781.x
{{citation}}
: Unknown parameter|month=
ignored (tulong) - ↑ Wielen, R.; et al. (1999), Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions, Astronomisches Rechen-Institut Heidelberg, Bibcode:1999VeARI..35....1W
- ↑ Elgarøy, Øystein; Engvold, Oddbjørn; Lund, Niels (1999), "The Wilson-Bappu effect of the MgII K line - dependence on stellar temperature, activity and metallicity", Astronomy and Astrophysics, 343: 222–228, Bibcode:1999A&A...343..222E
{{citation}}
: Unknown parameter|month=
ignored (tulong) - ↑ Sägesser, S. N.; Jordan, C. (2005). "Emission measures for the single giant β Ceti". In Favata, F.; Hussain, G. A. J.; Battrick, B. (mga pat.). Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, held 5-9 July, 2004 in Hamburg, Germany. European Space Agency. p. 931. Bibcode:2005ESASP.560..931S.
{{cite conference}}
: Unknown parameter|booktitle=
ignored (|book-title=
suggested) (tulong); Unknown parameter|month=
ignored (tulong) - ↑ 7.0 7.1 Berio, P.; et al. (2011), "Chromosphere of K giant stars. Geometrical extent and spatial structure detection", Astronomy & Astrophysics, 535: A59, arXiv:1109.5476, Bibcode:2011A&A...535A..59B, doi:10.1051/0004-6361/201117479
{{citation}}
: Unknown parameter|month=
ignored (tulong) - ↑ 8.0 8.1 8.2 Massarotti, Alessandro; et al. (2008). "Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity". The Astronomical Journal. 135 (1): 209–231. Bibcode:2008AJ....135..209M. doi:10.1088/0004-6256/135/1/209.
{{cite journal}}
: Unknown parameter|month=
ignored (tulong) - ↑ "Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR. Centre de Données astronomiques de Strasbourg. Nakuha noong 2010-09-30.
- ↑ "Beta Ceti: Giant Star's Corona Brightens with Age". Chandra Photo Album. Harvard-Smithsonian Center for Astrophysics. 20 Pebrero 2009. Nakuha noong 2011-12-28.
- ↑ "bet Cet -- Variable Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Nakuha noong 2010-09-30.
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