Gliese 667

Gliese 667 A/B/C
Data pengamatan; Epos J2000 Ekuinoks J2000
Rasi bintang	Scorpius
Asensio rekta	17j 18m 57.16483d
Deklinasi	−34° 59′ 23.1416″
Magnitudo tampak (V)	5.91/7.20/10.20
Ciri-ciri
Kelas spektrum	K3V + K5V + M1.5V
Indeks warna U−B	0.83/???/1.17
Indeks warna B−V	1.03/???/1.57
Jenis variabel	A: suspected; B: unknown; C: flare star[butuh rujukan]
Astrometri
Kecepatan radial (Rv)	6.5 km/s
Gerak diri (μ)	RA: 1129.76 mdb/thn ; Dek.: −77.02 mdb/thn
Paralaks (π)	140,88±2,04 mdb
Jarak	23,2 ± 0,3 tc ; (7,1 ± 0,1 pc)
Magnitudo mutlak (MV)	7.07/8.02/11.03
Detail
GJ 667 AB
Massa	0.73 / 0.69 M☉
Radius	0.76 / 0.70 R☉
Luminositas	12-13% / ??? L☉
Suhu	??? K
Metalisitas [Fe/H]	–0.59
Rotasi	???
Usia	??? tahun
GJ 667 C
Massa	0.31 M☉
Radius	0.42 R☉
Luminositas	0.0137 L☉
Suhu	3,700 ± 100 K
Metalisitas [Fe/H]	–0.59 ± 0.10
Rotasi	105 hari
Usia	2–10Kesalahan pengutipan: Parameter dalam tag <ref> tidak sah; gigatahun

Gliese 667 merupakan sistem tiga bintang yang memiliki anggota bernama Gliese 667A, Gliese 667B, dan Gliese 667C yang terletak di konstelasi Scorpius dengan jarak sekitar 6,8 parsec atau 23,6 tahun cahaya dari bumi. Ketiga bintang tersebut memiliki massa yang lebih kecil atau ringan dari matahari.

Referensi

^ name=aaa474_2_653
^ name=aaa474_2_653
^ name=aaa367_521
^ name=aaa367_521
^ name=mnras452_3_2745>Suárez Mascareño, A.; et al. (September 2015), "Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators", Monthly Notices of the Royal Astronomical Society, 452 (3): 2745–2756, arXiv:1506.08039  , Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
^ name="Anglada-Escudé-2012"
^ name=aaa474_2_653
^ name=aaa474_2_653
^ Lurie2014
^ name=mnras389_2_925
^ name=aaa367_521
^ name=aaa373_159
^ name="Anglada-Escudé-2012"
^ name=aaa367_521
^ name="Anglada-Escudé-2012"
^ name="Anglada-Escudé-2012"
^ name="Anglada-Escudé-2012"
^ name="Anglada-Escudé-2012"

[1] =aaa474_2_653

[2] =aaa474_2_653

[3] =aaa367_521

[4] =aaa367_521

[5] =mnras452_3_2745>Suárez Mascareño, A.; et al. (September 2015), "Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators", Monthly Notices of the Royal Astronomical Society, 452 (3): 2745–2756, arXiv:1506.08039  , Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.

[6] ="Anglada-Escudé-2012"

[7] =aaa474_2_653

[8] =aaa474_2_653

[9] Lurie2014

[10] =mnras389_2_925

[11] =aaa367_521

[12] =aaa373_159

[13] ="Anglada-Escudé-2012"

[14] =aaa367_521

[15] ="Anglada-Escudé-2012"

[16] ="Anglada-Escudé-2012"

[17] ="Anglada-Escudé-2012"

[18] ="Anglada-Escudé-2012"

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[5]

[6]

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Data pengamatan Epos J2000 Ekuinoks J2000
Rasi bintang	Scorpius
Asensio rekta	17^j 18^m 57.16483^d^[1]
Deklinasi	−34° 59′ 23.1416″^[2]
Magnitudo tampak (V)	5.91/7.20/10.20^[3]
Ciri-ciri
Kelas spektrum	K3V + K5V + M1.5V^[4]^[5]
Indeks warna U−B	0.83/???/1.17
Indeks warna B−V	1.03/???/1.57
Jenis variabel	A: suspected B: unknown C: flare star^{[butuh rujukan]}
Astrometri

Kecepatan radial (R_v)	6.5^[6] km/s
Gerak diri (μ)	RA: 1129.76^[7] mdb/thn Dek.: −77.02^[8] mdb/thn
Paralaks (π)	140,88±2,04^[9] mdb
Jarak	23,2 ± 0,3 tc (7,1 ± 0,1 pc)
Magnitudo mutlak (M_V)	7.07/8.02/11.03

Detail
GJ 667 AB
Massa	0.73 / 0.69^[10] M_☉
Radius	0.76 / 0.70^[11] R_☉
Luminositas	12-13% / ??? L_☉
Suhu	??? K
Metalisitas [Fe/H]	–0.59^[12]
Rotasi	???
Usia	??? tahun
GJ 667 C
Massa	0.31^[13] M_☉
Radius	0.42^[14] R_☉
Luminositas	0.0137^[15] L_☉
Suhu	3,700 ± 100^[16] K
Metalisitas [Fe/H]	–0.59 ± 0.10^[17]
Rotasi	105 hari ^[18]
Usia	2–10Kesalahan pengutipan: Parameter dalam tag `<ref>` tidak sah; gigatahun
b	≥5.661 ± 0.437 M_⊕	0.050 ± 0.002	7.200 ± 0.001	0.122 ± 0.078	—	—
c	≥3.709 ± 0.682 M_⊕	0.125 ± 0.004	28.143 ± 0.029	0.133 ± 0.098	—	—