Zeta Leonis

Zeta Leonis
Diagram showing star positions and boundaries of the Leo constellation and its surroundings

Lokasi Zeta Leonis (dilingkari)
Data pengamatan
Epos J2000      Ekuinoks J2000
Rasi bintang Leo
Asensio rekta  10j 16m 41,41597d[1]
Deklinasi  +23° 25′ 02,3221″[1]
Magnitudo tampak (V) 3,33[2]
Ciri-ciri
Kelas spektrum F0 III[3][4]
Indeks warna U−B +0,07[2]
Indeks warna B−V +0,30[2]
Jenis variabel Suspected
Astrometri
Kecepatan radial (Rv)−15,6[5] km/s
Gerak diri (μ) RA: +18,39[1] mdb/thn
Dek.: -6,84[1] mdb/thn
Paralaks (π)11,90±0,18[1] mdb
Jarak274 ± 4 tc
(84 ± 1 pc)
Magnitudo mutlak (MV)−1,19[6]
Detail
Massa3[7] M
Radius6[8] R
Luminositas85[8] L
Gravitasi permukaan (log g)3,0[8]
Suhu6.792[8] K
Metalisitas [Fe/H]–0,03[9]
Kecepatan rotasi (v sin i)72,4[8] km/s
Penamaan lain
Adhafera, Aldhafera, Adhafara, ζ Leo, 36 Leo, BD +24°2209, FK5 384, HD 89025, HIP 50335, HR 4031, SAO 81265, GC 14107, NSV 04804, WDS 10167+2325A.[10]
Referensi basis data
SIMBADdata

Zeta Leonis (ζ Leo / ζ Leonis) adalah salah satu bintang di rasi Leo. Bintang ini adalah bintang dengan kelas spektrum F0 III[3][4] dan memiliki magnitudo tampak 3,33[2] serta berada pada jarak 274 tahun cahaya (84 parsec) dari Matahari.[1]

Etimologi

Bintang ini memiliki nama tradisional Adhafera (Aldhafera, Adhafara), yang berasal dari bahasa Arab الضفيرة al-ðafīrah "kepang di surai (sang singa)". Nama lainnya untuk bintang ini adalah:

nama lain asal bahasa arti
軒轅十一 / Xuanyuanshíyī China bintang kesebelas pada rasi Xuanyuan[11]

Selain rasi Leo, bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut:

nama rasi / asterisma / kelompok asal arti anggota lainnya
軒轅十 / Xuanyuan China Xuanyuan 10 UMa, HD 77912, 38 Lyn, α Lyn, 15 Leo, κ Leo, λ Leo, ε Leo, μ Leo, γ Leo, η Leo, α Leo, ο Leo, ρ Leo, 31 Leo
Sickle sabit α Leo, γ Leo, ε Leo, η Leo, μ Leo
Al Jabhah Arab kepala bagian depan α Leo, γ Leo, η Leo, μ Leo
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, 21 LMi, 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]

Referensi

  1. ^ a b c d e f 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
  2. ^ a b c d Fernie, J. D. (May 1983), "New UBVRI photometry for 900 supergiants", Astrophysical Journal Supplement Series, 52: 7–22, Bibcode:1983ApJS...52....7F, doi:10.1086/190856
  3. ^ a b Montes, D.; et al. (November 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
  4. ^ a b Garrison, R. F. (December 1993), "Anchor Points for the MK System of Spectral Classification", Bulletin of the American Astronomical Society, 25: 1319, Bibcode:1993AAS...183.1710G, diarsipkan dari asli tanggal 2019-06-25, diakses tanggal 2012-02-04
  5. ^ 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
  6. ^ 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.
  7. ^ Kaler, James B., "ADHAFERA (Zeta Leonis)", Stars, University of Illinois, diakses tanggal 2010-05-12
  8. ^ a b c d e Massarotti, Alessandro; et al. (January 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
  9. ^ Kesalahan pengutipan: Tanda <ref> tidak sah; tidak ditemukan teks untuk ref bernama aj121_4_2159
  10. ^ "zet Leo -- Variable Star", SIMBAD, Centre de Données astronomiques de Strasbourg, diakses tanggal 2010-05-12
  11. ^ salah satu rasi bintang menurut bangsa Cina
  12. ^ 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.
  13. ^ http://articles.adsabs.harvard.edu/full/1983AJ.....88..642E

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