Rho Persei: Perbedaan antara revisi
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<ref name=SIMBAD>{{citation | title=rho Per -- Semi-regular pulsating Star | work=SIMBAD | publisher=Centre de Données astronomiques de Strasbourg | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Rho+Persei | accessdate=2012-01-24 }}</ref> |
<ref name=SIMBAD>{{citation | title=rho Per -- Semi-regular pulsating Star | work=SIMBAD | publisher=Centre de Données astronomiques de Strasbourg | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Rho+Persei | accessdate=2012-01-24 }}</ref> |
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<ref name=kaler>{{citation | first1=James B. | last1=Kaler | title=GORGONEA TERTIA (Rho Persei) | work=Stars | publisher=University of Illinois | url=http://stars.astro.illinois.edu/sow/gorgtert.html | accessdate=2012-01-25 }}</ref> |
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Revisi per 28 Mei 2018 21.25
Data pengamatan Epos J2000 Ekuinoks J2000 | |
---|---|
Rasi bintang | Perseus |
Asensio rekta | 03j 05m 10,59385d[1] |
Deklinasi | +38° 50′ 24,9943″[1] |
Magnitudo tampak (V) | +3,39[2] |
Ciri-ciri | |
Kelas spektrum | M4 II[3] |
Indeks warna U−B | +1,79[2] |
Indeks warna B−V | +1,65[2] |
Jenis variabel | Semiregular[3] |
Astrometri | |
Kecepatan radial (Rv) | +29,10 ± 0,30[4] km/s |
Gerak diri (μ) | RA: +129,22[1] mdb/thn Dek.: –105,70[1] mdb/thn |
Paralaks (π) | 10,60±0,25[1] mdb |
Jarak | 308 ± 7 tc (94 ± 2 pc) |
Magnitudo mutlak (MV) | –1,7[5] |
Detail | |
Massa | 5,0[6] M☉ |
Radius | 150[6] R☉ |
Luminositas | 2.290[6] L☉ |
Gravitasi permukaan (log g) | 1,0[7] |
Suhu | 4.111[7] K |
Kecepatan rotasi (v sin i) | 11,2[7] km/s |
Usia | 4,4 × 108[8] tahun |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Rho Persei (ρ Per / ρ Persei) adalah salah satu bintang di rasi Perseus. Rho Persei memiliki magnitudo antara 3.3 dan 4.0 dengan perode orbit 50 hari dan 1100 hari. Bintang ini termasuk bintang kelas M4 dan berada pada jarak 317 tahun cahaya dari Bumi. ρ Persei memiliki kecemerlangan 3470 kali daripada Matahari dimana radiusnya sama dengan 164 kali Matahari.
Etimologi
Bintang ini memiliki nama tradisional Gorgonea Tertia, yang berarti "setan ketiga" dalam bahasa Latin. Nama lainnya untuk bintang ini adalah:
nama lain | asal bahasa | arti |
---|---|---|
大陵六 / Dàlíngliù | China | bintang keenam pada rasi Mausoleum[10] |
Selain rasi Perseus, sistem bintang ganda ini merupakan bagian dari :
nama rasi / asterisma / kelompok | asal | arti | anggota lainnya |
---|---|---|---|
大陵 / Dàlíng | China | Mausoleum | 9 Per, τ Per, ι Per, κ Per, β Per, 16 Per, 12 Per |
Zeta Herculis Moving Group[11] | (antara lain) : C1 Cen, HD 43899, ζ Her, β Hyi, 71 Leo, 29 LMi, φ1 Lup, ε Oct, φ2 Pav, 47 Psc, HD 71377, η Ret, ζ Ret, 23 Sex, HD 150275, 84 Vir | ||
Segment[12] | segmen | α Per, γ Per, δ Per, η Per, ψ Per |
Referensi
- ^ 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 Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
- ^ a b Ragland, S.; et al. (November 2006), "First Surface-resolved Results with the Infrared Optical Telescope Array Imaging Interferometer: Detection of Asymmetries in Asymptotic Giant Branch Stars", The Astrophysical Journal, 652 (1): 650–660, arXiv:astro-ph/0607156
, Bibcode:2006ApJ...652..650R, doi:10.1086/507453
- ^ Famaey, B.; et al. (May 2009), "Spectroscopic binaries among Hipparcos M giants. I. Data, orbits, and intrinsic variations", Astronomy and Astrophysics, 498 (2): 627–640, arXiv:0901.0934
, Bibcode:2009A&A...498..627F, doi:10.1051/0004-6361/200810698
- ^ Yeşilyaprak, C.; Aslan, Z. (December 2004), "Period-luminosity relation for M-type semiregular variables from Hipparcos parallaxes", Monthly Notices of the Royal Astronomical Society, 355 (2): 601–607, Bibcode:2004MNRAS.355..601Y, doi:10.1111/j.1365-2966.2004.08344.x
- ^ a b c Cox, Arthur N.; Becker, Stephen A.; Pesnell, W. Dean, "Chapter 20. Theoretical Stellar Evolution", Allen's astrophysical quantities (PDF) (edisi ke-4th), New York: Springer, hlm. 516, ISBN 0-387-98746-0, diakses tanggal 2012-01-25 See table 20.5
- ^ a b c 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
- ^ Kaler, James B., "GORGONEA TERTIA (Rho Persei)", Stars, University of Illinois, diakses tanggal 2012-01-25
- ^ "rho Per -- Semi-regular pulsating Star", SIMBAD, Centre de Données astronomiques de Strasbourg, diakses tanggal 2012-01-24
- ^ salah satu rasi bintang menurut bangsa Cina
- ^ G. F. Porto de Mello, L. da Silva (1991). "On the physical existence of the Zeta HER moving group - A detailed analysis of Phi exp 2 Pavonis". Astronomical Journal. 102: 1816–1825. doi:10.1086/116006. Teks "http://adsabs.harvard.edu/abs/1991AJ....102.1816P " akan diabaikan (bantuan)
- ^ http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Perseus*.html