21 Leonis Minoris: Perbedaan antara revisi
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|name=21 Leonis Minoris}} |
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{{Starbox observe |
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|constell=[[Leo Minor]] |
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|epoch=[[J2000]] |
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|ra={{RA|10|07|25.76296}}<ref name=HIP>{{cite journal|title=Validation of the new Hipparcos reduction|url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL|author1=van Leeuwen, F.|display-authors=etal|journal=Astronomy and Astrophysics|volume=474|issue=2|pages=653–664|date=2007|arxiv=0708.1752|bibcode=2007A&A...474..653V|doi=10.1051/0004-6361:20078357}}</ref> |
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|dec={{DEC|+35|14|40.8965}}<ref name=HIP/> |
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|appmag_v=4,47 - 4,52<ref name=GCVS>{{cite journal|bibcode=2009yCat....102025S|title=VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)|journal=VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S|volume=1|display-authors=etal|author1=Samus, N. N.|author2=Durlevich, O. V.|year=2009}}</ref> |
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}} |
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{{Starbox character |
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|class=A7V<ref>{{cite journal|doi=10.1086/145697|title=Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes spectral atlas|journal=The Astrophysical Journal|volume=117|pages=313|year=1953|last1=Johnson|first1=H. L.|last2=Morgan|first2=W. W.|bibcode = 1953ApJ...117..313J }}</ref> |
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|b-v=+0,18<ref name=UBV>{{cite journal|title=UBVRIJKL Photometry of the Bright Stars|author1=Johnson, H. L.|journal=Communications of the Lunar and Planetary Laboratory|volume=4|pages=99|date=1966|bibcode=1966CoLPL...4...99J}}</ref> |
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|u-b=+0,08<ref name=UBV/> |
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|variable=[[Delta Scuti variable|δ Sct]]<ref name=GCVS/> |
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}} |
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{{Starbox astrometry |
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|radial_v=−11,40 ± 0,9<ref name=RV>{{cite journal|url=http://adsabs.harvard.edu/abs/2006AstL...32..759G|title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system|author=Gontcharov, G. A.|date=2006|journal=Astronomy Letters|volume=32|issue=11|pages=759–771|bibcode=2006AstL...32..759G|doi=10.1134/S1063773706110065|arxiv=1606.08053|accessdate=12 December 2016}}</ref> |
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|prop_mo_ra=52,90<ref name=HIP/> |
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|prop_mo_dec=0,62<ref name=HIP/> |
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|parallax=35.41 |
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|p_error=0.18 |
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|parallax_footnote=<ref name=HIP/> |
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|absmag_v=+2,43<ref name=Eggen1998>{{citation | title=The Sirius Supercluster and Missing Mass near the Sun | last1=Eggen | first1=Olin J. | journal=The Astronomical Journal | postscript=. | volume=116 | issue=2 | pages=782–788 | date=August 1998 | doi=10.1086/300465 | bibcode=1998AJ....116..782E }}</ref> |
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}} |
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{{Starbox detail |
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|age_myr=390<ref name=Rieke/> |
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|rotational_velocity=155<ref name=Rieke>{{cite journal|doi=10.1086/426937|title=Decay of Planetary Debris Disks|journal=The Astrophysical Journal|volume=620|issue=2|pages=1010|year=2005|last1=Rieke|first1=G. H.|last2=Su|first2=K. Y. L.|last3=Stansberry|first3=J. A.|last4=Trilling|first4=D.|last5=Bryden|first5=G.|last6=Muzerolle|first6=J.|last7=White|first7=B.|last8=Gorlova|first8=N.|last9=Young|first9=E. T.|last10=Beichman|first10=C. A.|last11=Stapelfeldt|first11=K. R.|last12=Hines|first12=D. C.|bibcode = 2005ApJ...620.1010R |citeseerx=10.1.1.579.8956}}</ref> |
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|temperature=7839<ref name=Gray>{{cite journal|doi=10.1086/378365|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=126|issue=4|pages=2048|year=2003|last1=Gray|first1=R. O.|last2=Corbally|first2=C. J.|last3=Garrison|first3=R. F.|last4=McFadden|first4=M. T.|last5=Robinson|first5=P. E.|arxiv = astro-ph/0308182 |bibcode = 2003AJ....126.2048G }}</ref> |
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|gravity=4,07<ref name=Gray/> |
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|metal_fe=[M/H] {{=}} −0.01<ref name=Gray/> |
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|radius=1,2–1,8<ref>{{cite journal|display-authors=1|author1=Pasinetti Fracassini, L. E.|author2=Pastori, L.|author3=Covino, S.|author4=Pozzi, A.|title=Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics|journal=Astronomy & Astrophysics|volume=367|issue=2|pages=521–24|date=2001|bibcode=2001A&A...367..521P|doi=10.1051/0004-6361:20000451|arxiv=astro-ph/0012289}}</ref> |
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}} |
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|names=[[Flamsteed designation|21]] LMi, [[Bonner Durchmusterung|BD]]+35° 2110, [[Henry Draper Catalogue|HD]] 87696, [[Hipparcos catalogue|HIP]] 49593, [[Bright Star Catalog|HR]] 3974, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 61874, [[Gliese Catalogue of Nearby Stars|Gl]] 378.3, [[Gliese-Jahreiss Catalogue|GJ]] 9314<ref name=SIMBAD>{{cite simbad|title=* 21 LMi|accessdate=22 March 2017}}</ref> |
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}} |
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{{Starbox reference |
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|Simbad=21+LMi |
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}} |
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{{Starbox end}} |
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'''21 Leonis Minoris''' adalah salah satu bintang di rasi [[Leo Minor]]. Bintang ini memiliki [[magnitudo]] 4.49. Bintang ini berada pada jarak 91 tahun cahaya dari Bumi. |
'''21 Leonis Minoris''' adalah salah satu bintang di rasi [[Leo Minor]]. Bintang ini memiliki [[magnitudo]] 4.49. Bintang ini berada pada jarak 91 tahun cahaya dari Bumi. |
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==Etimologi== |
== Etimologi == |
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Nama lainnya untuk bintang ini adalah: |
Nama lainnya untuk bintang ini adalah: |
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! arti |
! arti |
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|內平二 / Nèipíngèr||[[ |
|內平二 / Nèipíngèr||[[Tiongkok]] ||bintang kedua pada rasi [[Daftar asterisme di Bintang#Hakim Tinggi|Hakim Tinggi]]<ref>salah satu rasi bintang menurut bangsa Tiongkok</ref> |
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Selain [[rasi]] [[Aquarius]], bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut |
Selain [[rasi]] [[Aquarius]], bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut: |
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{| class="wikitable" |
{| class="wikitable" |
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! anggota lainnya |
! anggota lainnya |
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| 內平 / Nèipíng || [[ |
| 內平 / Nèipíng || [[Tiongkok]] || [[Daftar asterisme di Bintang#Hakim Tinggi|Hakim Tinggi]]||[[13 Leonis Minoris|13 LMi]] |
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| [[ |
| Sirius Supercluster|| || || [[HD 13594]], [[5 Aquilae|5 Aql]], [[Delta Aquarii|δ Aqr]], [[32 Aquarii|32 Aqr]], [[Beta Aurigae|β Aur]], [[45 Boötis|45 Boo]], [[Chi Ceti|χ Cet]], [[Sirius|α CMa]], [[6 Canis Minoris|6 CMi]], [[Delta Columbae|δ Col]], [[29 Comae Berenices|29 Com]], [[Alpha Coronae Borealis|α CrB]], [[Upsilon Coronae Borealis|υ CrB]], [[Zeta Crateris|ζ Crt]], [[HD 209515]], [[HD 184960]], [[Delta Delphini|δ Del]], [[59 Draconis|59 Dra]], [[HD 129798]], [[Beta Eridani|β Eri]], [[Zeta Eridani|ζ Eri]], [[HD 157740]], [[Upsilon1 Hydrae|υ<sup>1</sup> Hya]], [[HD 109799]], [[Zeta Leonis|ζ Leo]], [[Tau Leonis|τ Leo]], [[Gamma Leporis|γ Lep]], [[RR Lyncis|RR Lyn]], [[Alpha Ophiuchi|α Oph]], [[HD 65810]], [[HD 178428]], [[HD 165185]], [[Beta Serpentis|β Ser]], [[HD 26923]], [[HD 111456]], [[Zeta Trianguli Australis|ζ TrA]], [[37 Ursae Majoris|37 UMa]], [[Beta Ursae Majoris|β UMa]], [[Gamma Ursae Majoris|γ UMa]], [[Delta Ursae Majoris|δ UMa]], [[Epsilon Ursae Majoris|ε UMa]], [[78 Ursae Majoris|78 UMa]], [[Zeta Ursae Majoris|ζ UMa]], [[80 Ursae Majoris|80 UMa]], [[o Virginis|o Vir]], [[Alpha Volantis|α Vol]].<ref>{{cite journal |
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| last=Eggen | first=Olin J. |
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| title=The Sirius supercluster in the FK5 |
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| journal=Astronomical Journal |
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| year=1992 | volume=104 | issue=4 | pages=1493–1504 |
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| url=http://adsabs.harvard.edu/cgi-bin/bib_query?1992AJ....104.1493E |
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| accessdate=2007-11-22 |
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| doi=10.1086/116334 }}</ref><ref>http://articles.adsabs.harvard.edu/full/1983AJ.....88..642E</ref> |
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|- |
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| [[Ursa Major]] Moving Group<ref>bintang ini termasuk ''stream star''</ref>|| || ||(''core star'' antara lain): [[37 Ursae Majoris|37 UMa]], [[Beta Ursae Majoris|β UMa]], [[Gamma Ursae Majoris|γ UMa]], [[Delta Ursae Majoris|δ UMa]], [[Epsilon Ursae Majoris|ε UMa]], [[78 Ursae Majoris|78 UMa]], [[Zeta Ursae Majoris|ζ UMa]], [[80 Ursae Majoris|80 UMa]] |
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''stream star'' |
''stream star'': [[Delta Aquarii|δ Aqr]], [[Beta Aurigae|β Aur]], [[Zeta Boötis|ζ Boo]], [[18 Boötis|18 Boo]], [[Chi Ceti|χ Cet A]], [[29 Comae Berenices|29 Com]], [[Zeta Crateris|ζ Crt]], [[Alpha Coronae Borealis|α CrB]], [[59 Draconis|59 Dra]], [[Gamma Leporis|γ Lep]], [[16 Lyrae|16 Lyr]], [[Gamma Microscopii|γ Mic]], [[Chi¹ Orionis|χ<sup>1</sup> Ori]], [[89 Piscium|89 Psc]], [[Beta Serpentis|β Ser]], [[Omega Serpentis|ω Ser]], [[Tau6 Serpentis|τ<sup>6</sup> Ser]], [[6 Sextantis|6 Sex]], [[66 Tauri|66 Tau]], [[Zeta Trianguli Australis|ζ TrA]], [[Pi Ursae Majoris|π<sup>1</sup> UMa]], [[41 Virginis|41 Vir]] |
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==Referensi== |
== Referensi == |
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{{reflist}} |
{{reflist}} |
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⚫ | |||
[[Kategori:Rasi bintang Leo Minor]] |
[[Kategori:Rasi bintang Leo Minor]] |
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⚫ |
Revisi terkini sejak 12 September 2023 16.37
Data pengamatan Epos J2000 Ekuinoks J2000 | |
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Rasi bintang | Leo Minor |
Asensio rekta | 10j 07m 25.76296d[1] |
Deklinasi | +35° 14′ 40.8965″[1] |
Magnitudo tampak (V) | 4,47 - 4,52[2] |
Ciri-ciri | |
Kelas spektrum | A7V[3] |
Indeks warna U−B | +0,08[4] |
Indeks warna B−V | +0,18[4] |
Jenis variabel | δ Sct[2] |
Astrometri | |
Kecepatan radial (Rv) | −11,40 ± 0,9[5] km/s |
Gerak diri (μ) | RA: 52,90[1] mdb/thn Dek.: 0,62[1] mdb/thn |
Paralaks (π) | 35,41±0,18[1] mdb |
Jarak | 92,1 ± 0,5 tc (28,2 ± 0,1 pc) |
Magnitudo mutlak (MV) | +2,43[6] |
Detail | |
Radius | 1,2–1,8[7] R☉ |
Gravitasi permukaan (log g) | 4,07[8] |
Suhu | 7839[8] K |
Metalisitas [Fe/H] | [M/H] = −0.01[8] |
Kecepatan rotasi (v sin i) | 155[9] km/s |
Usia | 390[9] megatahun |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
21 Leonis Minoris adalah salah satu bintang di rasi Leo Minor. Bintang ini memiliki magnitudo 4.49. Bintang ini berada pada jarak 91 tahun cahaya dari Bumi.
Etimologi
[sunting | sunting sumber]Nama lainnya untuk bintang ini adalah:
nama lain | asal bahasa | arti |
---|---|---|
內平二 / Nèipíngèr | Tiongkok | bintang kedua pada rasi Hakim Tinggi[11] |
Selain rasi Aquarius, bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut:
nama rasi / asterisma / kelompok | asal | arti | anggota lainnya |
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內平 / Nèipíng | Tiongkok | Hakim Tinggi | 13 LMi |
Sirius Supercluster | HD 13594, 5 Aql, δ Aqr, 32 Aqr, β Aur, 45 Boo, χ Cet, α CMa, 6 CMi, δ Col, 29 Com, α CrB, υ CrB, ζ Crt, HD 209515, HD 184960, δ Del, 59 Dra, HD 129798, β Eri, ζ Eri, HD 157740, υ1 Hya, HD 109799, ζ Leo, τ Leo, γ Lep, RR Lyn, α Oph, HD 65810, HD 178428, HD 165185, β Ser, HD 26923, HD 111456, ζ TrA, 37 UMa, β UMa, γ UMa, δ UMa, ε UMa, 78 UMa, ζ UMa, 80 UMa, o Vir, α Vol.[12][13] | ||
Ursa Major Moving Group[14] | (core star antara lain): 37 UMa, β UMa, γ UMa, δ UMa, ε UMa, 78 UMa, ζ UMa, 80 UMa
stream star: δ Aqr, β Aur, ζ Boo, 18 Boo, χ Cet A, 29 Com, ζ Crt, α CrB, 59 Dra, γ Lep, 16 Lyr, γ Mic, χ1 Ori, 89 Psc, β Ser, ω Ser, τ6 Ser, 6 Sex, 66 Tau, ζ TrA, π1 UMa, 41 Vir |
Referensi
[sunting | sunting sumber]- ^ a b c d e van Leeuwen, F.; et al. (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 Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
- ^ Johnson, H. L.; Morgan, W. W. (1953). "Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes spectral atlas". The Astrophysical Journal. 117: 313. Bibcode:1953ApJ...117..313J. doi:10.1086/145697.
- ^ a b Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
- ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053 . Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. Diakses tanggal 12 December 2016.
- ^ Eggen, Olin J. (August 1998), "The Sirius Supercluster and Missing Mass near the Sun", The Astronomical Journal, 116 (2): 782–788, Bibcode:1998AJ....116..782E, doi:10.1086/300465.
- ^ Pasinetti Fracassini, L. E.; et al. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy & Astrophysics. 367 (2): 521–24. arXiv:astro-ph/0012289 . Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
- ^ a b c Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I". The Astronomical Journal. 126 (4): 2048. arXiv:astro-ph/0308182 . Bibcode:2003AJ....126.2048G. doi:10.1086/378365.
- ^ a b Rieke, G. H.; Su, K. Y. L.; Stansberry, J. A.; Trilling, D.; Bryden, G.; Muzerolle, J.; White, B.; Gorlova, N.; Young, E. T.; Beichman, C. A.; Stapelfeldt, K. R.; Hines, D. C. (2005). "Decay of Planetary Debris Disks". The Astrophysical Journal. 620 (2): 1010. Bibcode:2005ApJ...620.1010R. CiteSeerX 10.1.1.579.8956 . doi:10.1086/426937.
- ^ "* 21 LMi". SIMBAD. Centre de données astronomiques de Strasbourg. Diakses tanggal 22 March 2017.
- ^ salah satu rasi bintang menurut bangsa Tiongkok
- ^ Eggen, Olin J. (1992). "The Sirius supercluster in the FK5". Astronomical Journal. 104 (4): 1493–1504. doi:10.1086/116334. Diakses tanggal 2007-11-22.
- ^ http://articles.adsabs.harvard.edu/full/1983AJ.....88..642E
- ^ bintang ini termasuk stream star