Alpha Indi: Perbedaan antara revisi
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{{Starbox |
{{Starbox begin |
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| name |
| name=α Indi |
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}} |
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{{Starbox image |
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| image= |
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| ra = 20<sup>h</sup> 37<sup>m</sup> 33.99<sup>s</sup> |
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{{Location mark |
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| dec = -47° 17' 30.0" |
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|image=Indus constellation map.svg|alt=|float=center|width=250 |
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| spectral = K0III |
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|label=|position=right |
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|mark=Red circle.svg|mark_width=10|mark_link=α Ind |
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| dist_ly = 101 |
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|x=844|y=256 |
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| dist_pc = 31 |
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}} |
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|caption=Lokasi α Indi (dilingkari) |
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}} |
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{{Starbox observe |
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| ra = {{RA|20|37|34,03201}}<ref name=aaa474_2_653/> |
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| dec = {{DEC|–47|17|29,4026}}<ref name=aaa474_2_653/> |
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}} |
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{{Starbox astrometry |
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| radial_v = −1,3<ref name=rgcrv66/> |
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| prop_mo_ra = +49,24<ref name=aaa474_2_653/> |
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| prop_mo_dec = +66,53<ref name=aaa474_2_653/> |
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| parallax = 33.17 |
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| p_error = 0.18 |
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| parallax_footnote =<ref name=aaa474_2_653/> |
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| absmag_v = 0,65<ref name=aaa425_187/> |
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}} |
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{{Starbox character |
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| class = K0 III–IV<ref name=aj132_1_161/> |
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| b-v = +1,00<ref name=clpl4_99/> |
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| u-b = +0,79<ref name=clpl4_99/> |
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| variable = |
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}} |
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{{Starbox detail |
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| radius = 12<ref name=aaa367_521/> |
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| mass = 2,0<ref name=aaa425_187/> |
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| luminosity = |
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| temperature = 4.893<ref name=aaa169_1_201/> |
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| gravity = 3,00<ref name=aaa169_1_201/> |
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| metal_fe = +0,03<ref name=aaa169_1_201/> |
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| age_gyr = 1 miliar<ref name=aaa425_187/> |
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}} |
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{{Starbox catalog |
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{{Starbox reference |
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| Simbad=alf%20Ind |
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}} |
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{{Starbox end}} |
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⚫ | '''Alpha Indi''' (α Ind / α Indi) adalah bintang dengan [[kelas spektrum]] K0 III–IV,<ref name=aj132_1_161/> dan memiliki [[magnitudo tampak]] 3,11<ref name=clpl4_99/> di rasi [[Indus (rasi bintang)|Indus]]. Alpha Indi merupakan bintang raksasa jingga (''orange giant'') dengan sistem multi bintang. Bintang ini berada pada 101 [[tahun cahaya]] dari [[Bumi]]. |
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==Etimologi== |
== Etimologi == |
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Bintang ini dikenal dengan nama '''The Persian''' (orang Persia), nama yang diberikan oleh pendeta [[Jesuit]] pada abad ke 17. Nama ini merupakan mistranslasi dari nama rasi ''Indus'' berasal dari nama salah satu asterisma dimana bintang ini berada |
Bintang ini dikenal dengan nama '''The Persian''' (orang Persia), nama yang diberikan oleh pendeta [[Jesuit]] pada abad ke 17. Nama ini merupakan mistranslasi dari nama rasi ''Indus'' berasal dari nama salah satu asterisma dimana bintang ini berada, yaitu ''Pe Sze'' 波斯 "orang Persia" (sebagai bintang kedua). Nama yang diberikan oleh [[bangsa Arab]] untuk bintang ini adalah ''Al Nair,'' dari النائر ''an-na´ir'' "yang terang", nama yang dibagi dengan [[Alpha Gruis]]. |
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== Referensi == |
== Referensi == |
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{{reflist|refs= |
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<ref name=aaa474_2_653>{{cite journal | first=F. | last=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 |arxiv = 0708.1752 }}</ref> |
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<ref name=aj132_1_161>{{citation | display-authors=1 | last1=Gray | first1=R. O. | first2=C. J. | last2=Corbally | first3=R. F. | last3=Garrison | first4=M. T. | last4=McFadden | first5=P. E. | last5=Robinson | title=Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I | journal=The Astronomical Journal | volume=132 | issue=1 | pages=161–170 |date=July 2006 | doi=10.1086/504637 | bibcode=2006AJ....132..161G |arxiv = astro-ph/0603770 }}</ref> |
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<ref name=aaa169_1_201>{{citation | last1=Gratton | first1=R. G. | last2=Ortolani | first2=S. | title=The forbidden O/Fe ratio in metal-poor late-type stars | journal=Astronomy and Astrophysics | volume=169 | issue=1-2 | pages=201–207 |date=November 1986 | bibcode=1986A&A...169..201G }}</ref> |
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<ref name=rgcrv66>{{citation | last1=Evans | first1=D. S. | date=June 20–24, 1966 | editor=Batten, Alan Henry | editor2=Heard, John Frederick | contribution=The revision of the general catalogue of radial velocities | title=Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30 | place=[[University of Toronto]] | publisher=[[International Astronomical Union]] | bibcode=1967IAUS...30...57E | volume=30 | pages=57}}</ref> |
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<ref name=clpl4_99>{{citation | display-authors=1 | last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. | last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. | title=UBVRIJKL photometry of the bright stars | journal=Communications of the Lunar and Planetary Laboratory | volume=4 | issue=99 | date=1966 | bibcode=1966CoLPL...4...99J }}</ref> |
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<ref name=aaa425_187>{{citation | last1=Thorén | first1=P. | last2=Edvardsson | first2=B. | last3=Gustafsson | first3=B. | title=Subgiants as probes of galactic chemical evolution | journal=Astronomy and Astrophysics | volume=425 | pages=187–206 |date=October 2004 | doi=10.1051/0004-6361:20040421 | bibcode=2004A&A...425..187T |arxiv = astro-ph/0407260 }}</ref> |
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<ref name=SIMBAD>{{citation | title=alf Ind -- Star in double system | work=SIMBAD | publisher=[[Centre de Données astronomiques de Strasbourg]] | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Alpha+Indi | accessdate=2011-12-12 }}</ref> |
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<ref name=aaa367_521>{{citation | display-authors=1 | last1=Pasinetti Fracassini | first1=L. E. | last2=Pastori | first2=L. | last3=Covino | first3=S. | last4=Pozzi | first4=A. | title=Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics | journal=Astronomy and Astrophysics | volume=367 | pages=521–524 |date=February 2001 | doi=10.1051/0004-6361:20000451 | bibcode=2001A&A...367..521P |arxiv = astro-ph/0012289 }}</ref> |
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}} |
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* {{cite web | title=HD 196171 -- Star in double system | work=SIMBAD Astronomical Database | url=http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=alpha+indi&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0 | accessdate=2007-03-28}} |
* {{cite web | title=HD 196171 -- Star in double system | work=SIMBAD Astronomical Database | url=http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=alpha+indi&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=2000.0&Equi2=1950.0&Equi3=2000.0&Epoch1=2000.0&Epoch2=1950.0&Epoch3=2000.0 | accessdate=2007-03-28}} |
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* [http://www.astro.uiuc.edu/~kaler/sow/persian.html Jim Kaler] |
* [http://www.astro.uiuc.edu/~kaler/sow/persian.html Jim Kaler] {{Webarchive|url=https://web.archive.org/web/20081208191737/http://www.astro.uiuc.edu/~kaler/sow/persian.html |date=2008-12-08 }} |
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* [http://users.winshop.com.au/annew/mindus.htm Indus the Indian] |
* [http://users.winshop.com.au/annew/mindus.htm Indus the Indian] {{Webarchive|url=https://web.archive.org/web/20070328103642/http://users.winshop.com.au/annew/mindus.htm |date=2007-03-28 }} |
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{{br}} |
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==Pranala luar== |
== Pranala luar == |
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* [http://www.alcyone.de/SIT/bsc/ Yale Bright Star Catalog; click on Indus] |
* [http://www.alcyone.de/SIT/bsc/ Yale Bright Star Catalog; click on Indus] |
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[[Kategori:Rasi bintang Indus]] |
[[Kategori:Rasi bintang Indus]] |
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[[en:Alpha Indi]] |
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[[es:Alfa Indi]] |
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[[fr:Alpha Indi]] |
Revisi terkini sejak 17 Desember 2022 15.03
Data pengamatan Epos J2000 Ekuinoks J2000 | |
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Rasi bintang | Indus |
Asensio rekta | 20j 37m 34,03201d[1] |
Deklinasi | –47° 17′ 29,4026″[1] |
Magnitudo tampak (V) | 3,11[2] |
Astrometri | |
Kecepatan radial (Rv) | −1,3[3] km/s |
Gerak diri (μ) | RA: +49,24[1] mdb/thn Dek.: +66,53[1] mdb/thn |
Paralaks (π) | 33,17±0,18[1] mdb |
Jarak | 98,3 ± 0,5 tc (30,1 ± 0,2 pc) |
Magnitudo mutlak (MV) | 0,65[4] |
Ciri-ciri | |
Kelas spektrum | K0 III–IV[5] |
Indeks warna U−B | +0,79[2] |
Indeks warna B−V | +1,00[2] |
Detail | |
Massa | 2,0[4] M☉ |
Radius | 12[6] R☉ |
Gravitasi permukaan (log g) | 3,00[7] |
Suhu | 4.893[7] K |
Metalisitas [Fe/H] | +0,03[7] |
Usia | 1 miliar[4] gigatahun |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Alpha Indi (α Ind / α Indi) adalah bintang dengan kelas spektrum K0 III–IV,[5] dan memiliki magnitudo tampak 3,11[2] di rasi Indus. Alpha Indi merupakan bintang raksasa jingga (orange giant) dengan sistem multi bintang. Bintang ini berada pada 101 tahun cahaya dari Bumi.
Etimologi
[sunting | sunting sumber]Bintang ini dikenal dengan nama The Persian (orang Persia), nama yang diberikan oleh pendeta Jesuit pada abad ke 17. Nama ini merupakan mistranslasi dari nama rasi Indus berasal dari nama salah satu asterisma dimana bintang ini berada, yaitu Pe Sze 波斯 "orang Persia" (sebagai bintang kedua). Nama yang diberikan oleh bangsa Arab untuk bintang ini adalah Al Nair, dari النائر an-na´ir "yang terang", nama yang dibagi dengan Alpha Gruis.
Referensi
[sunting | sunting sumber]- ^ a b c d e van Leeuwen, F. (November 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.
- ^ a b c d 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
- ^ Evans, D. S. (June 20–24, 1966), "The revision of the general catalogue of radial velocities", dalam Batten, Alan Henry; Heard, John Frederick, Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30, 30, University of Toronto: International Astronomical Union, hlm. 57, Bibcode:1967IAUS...30...57E
- ^ a b c Thorén, P.; Edvardsson, B.; Gustafsson, B. (October 2004), "Subgiants as probes of galactic chemical evolution", Astronomy and Astrophysics, 425: 187–206, arXiv:astro-ph/0407260 , Bibcode:2004A&A...425..187T, doi:10.1051/0004-6361:20040421
- ^ a b Gray, R. O.; et al. (July 2006), "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I", The Astronomical Journal, 132 (1): 161–170, arXiv:astro-ph/0603770 , Bibcode:2006AJ....132..161G, doi:10.1086/504637
- ^ Pasinetti Fracassini, L. E.; et al. (February 2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics", Astronomy and Astrophysics, 367: 521–524, arXiv:astro-ph/0012289 , Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451
- ^ a b c Gratton, R. G.; Ortolani, S. (November 1986), "The forbidden O/Fe ratio in metal-poor late-type stars", Astronomy and Astrophysics, 169 (1-2): 201–207, Bibcode:1986A&A...169..201G
- ^ "alf Ind -- Star in double system", SIMBAD, Centre de Données astronomiques de Strasbourg, diakses tanggal 2011-12-12
- "HD 196171 -- Star in double system". SIMBAD Astronomical Database. Diakses tanggal 2007-03-28.
- Jim Kaler Diarsipkan 2008-12-08 di Wayback Machine.
- Indus the Indian Diarsipkan 2007-03-28 di Wayback Machine.
Pranala luar
[sunting | sunting sumber]