Rho Persei ρ Per ρ Persei adalah salah satu bintang di rasi Perseus memiliki magnitudo antara 3 3 dan 4 0 dengan perode

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.

ρ Persei
Data pengamatan Epos J2000 Ekuinoks J2000
Lokasi ρ Persei (dilingkari)
Rasi bintang	Perseus
Asensio rekta	03^j 05^m 10,59385^d
Deklinasi	+38° 50′ 24,9943″
Magnitudo tampak (V)	+3,39
Ciri-ciri
Kelas spektrum	M4 II
Indeks warna U−B	+1,79
Indeks warna B−V	+1,65
Jenis variabel	Semiregular
Astrometri

Kecepatan radial (R_v)	+29,10 ± 0,30 km/s
Gerak diri (μ)	RA: +129,22 mdb/thn Dek.: –105,70 mdb/thn
Paralaks (π)	10,60±0,25 mdb
Jarak	308 ± 7 tc (94 ± 2 pc)
Magnitudo mutlak (M_V)	–1,7

Detail

Massa	5,0 M_☉
Radius	150 R_☉
Luminositas	2.290 L_☉
Gravitasi permukaan (log g)	1,0
Suhu	4.111 K
Kecepatan rotasi (v sin i)	11,2 km/s
Usia	4,4 × 10⁸ tahun

Penamaan lain
Gorgonea Tertia, ρ Persei, 25 Per, BD+38°630, FK5 109, GC 3682, HD 19058, HIP 14354, HR 921, PPM 68074, SAO 56138.
Referensi basis data
SIMBAD	data

Etimologi sunting

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

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	(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	segmen	α Per, γ Per, δ Per, η Per, ψ Per

Referensi sunting

^ 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
^ 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
^ 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
^ Cox, Arthur N.; Becker, Stephen A.; Pesnell, W. Dean, "Chapter 20. Theoretical Stellar Evolution", (PDF) (edisi ke-4th), New York: Springer, hlm. 516, ISBN 0-387-98746-0, diarsipkan dari versi asli (PDF) tanggal 2016-03-04, diakses tanggal 2012-01-25 See table 20.5
^ 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

Pranala luar sunting

Bright Star Catalog
Gorgonea Tertia 2006-02-01 di Wayback Machine.

Artikel bertopik bintang ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya.

[aaa474_2_653-1] 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

[aass34_1-2] 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

[apj652_1_650-3] 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

[aaa498_2_627-4] 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

[mnras355_2_601-5] 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

[allen_tse_516-6] Cox, Arthur N.; Becker, Stephen A.; Pesnell, W. Dean, "Chapter 20. Theoretical Stellar Evolution", (PDF) (edisi ke-4th), New York: Springer, hlm. 516, ISBN 0-387-98746-0, diarsipkan dari versi asli (PDF) tanggal 2016-03-04, diakses tanggal 2012-01-25 See table 20.5

[aj135_1_209-7] 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-8] Kaler, James B., "GORGONEA TERTIA (Rho Persei)", Stars, University of Illinois, diakses tanggal 2012-01-25

[SIMBAD-9] "rho Per -- Semi-regular pulsating Star", SIMBAD, Centre de Données astronomiques de Strasbourg, diakses tanggal 2012-01-24

[10] salah satu rasi bintang menurut bangsa Cina

[11] 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)

[sb1-12] ttp://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Perseus*.html