タグ
名称
グリーゼ651
HIP 83389
HD 154345
Gliese 651
Gl 651, GJ 651
LHS 3260
BD+47 2420
NSV 8148
位置
星座 (con):
座標 (cor): 0:17 02 36.4038, +47 04 54.773 (J2000, SIMBAD < Cat-HIP 1997)
0:17 01 11.63, +47 08 23.3 (B1950, SIMBAD < Cat-HIP 1997)
固有運動 (pm): 0:123.55 mas/yr, 854.71 mas/yr (SIMBAD)
視線速度 (rv): 0:-46.2±2 km/s (SIMBAD)
0:-47.3 km/s (Cat-GJ 1991)
0:-46.6 km/s (Valenti & Fischer 2005)
0:-47.3 km/s (Holmberg et al. 2007)
0:-46.95 km/s (Soubiran et al. 2008)
年周視差 (plx): 01:55.37±0.55 mas (SIMBAD < Cat-HIP 1997)
02:61.8±6.0 mas (Cat-GJ 1991)
03:55.37±0.55 mas (Cat-HIP 1997)
距離 (dis): 0:18.06±0.18 pc (C:plx01, SIMBAD)
0:18.1±0.2 pc (Valenti & Fischer 2005)
0:18 pc (Holmberg et al. 2007)
0:18.06±0.18 pc (Wright et al. 2007 < Cat-HIP 1997)
0:58.9±0.6 ly (C:plx01, SIMBAD)
連星
測光
スペクトル型 (sp): 0:G8V (SIMBAD)
0:G8V (Cat-GJ 1991)
0:G8V (Cat-HIP 1997)
0:G8 (Cat-NSV 2004)
0:G8V (Soubiran et al. 2008)
0:G8V (van Belle & von Braun 2009)
見かけの等級V (v): 01:6.74 (SIMBAD)
0:6.77 (Cat-GJ 1991)
0:6.76 (Cat-HIP 1997)
0:6.80-6.77 (Cat-NSV 2004)
0:6.76 (Valenti & Fischer 2005)
0:6.771 (Holmberg et al. 2007)
0:6.76 (Wright et al. 2007 < Cat-HIP 1997)
見かけの等級B (b):
色指数B-V (bv): 0:0.76 (C:v01+b01, SIMBAD)
0:0.77 (Cat-GJ 1991)
0:0.728±0.05 (Cat-HIP 1997)
0:0.706 (Soubiran et al. 2008)
0:0.73 (Wright et al. 2007 < Cat-HIP 1997)
変光星型 (vrt): 0:Constant (Cat-HIP 1997)
0:Suspected (Cat-NSV 2004)
変光範囲 (vrr): 0:6.80-6.77 (Cat-NSV 2004)
変光周期 (vrp):
物理的性質
絶対等級V (abs): 01:5.46 (C:plx01+v01, SIMBAD)
0:5.72 (Cat-GJ 1991)
0:5.49 (Holmberg et al. 2007)
0:5.483 (Soubiran et al. 2008)
全波長の光度 (lum): 0:0.575±0.030 Lsol (Valenti & Fischer 2005)
可視光での明るさ (br): 0:0.56 *sol (C:abs01, SIMBAD)
0:1 / 1.79 *sol (C:abs01, SIMBAD)
質量 (mas): 0:0.90±0.12 Msol (Valenti & Fischer 2005)
0:0.88±0.04 Msol (Valenti & Fischer 2005)
0:0.83 (0.80/0.92) Msol (Holmberg et al. 2007)
0:0.893 (0.855/0.931) Msol (Takeda et al. 2007)
半径 (rad): 0:0.844±0.014 Rsol (Valenti & Fischer 2005)
0:0.86 (0.84/0.89) Rsol (Takeda et al. 2007)
0:0.90±0.02 Rsol (van Belle & von Braun 2009)
温度 (tmp): 0:5468 K (Valenti & Fischer 2005)
0:5430 K (Holmberg et al. 2007)
0:5468±44 K (Wright et al. 2007 < Valenti & Fischer 2005)
0:5491 K (CSoubiran et al. 2008)
0:5585±50 K (van Belle & von Braun 2009)
重力 (grv): 0:log g 4.51 (Valenti & Fischer 2005)
0:log g 4.54 (Valenti & Fischer 2005)
0:log g 4.53±0.03 (Takeda et al. 2007)
0:log g 4.537±0.070 (Wright et al. 2007 < Valenti & Fischer 2005)
0:log g 4.47 (Soubiran et al. 2008)
重元素比 (met): 0:[M/H] -0.10 (Valenti & Fischer 2005)
0:[Fe/H] -0.10 (Valenti & Fischer 2005)
0:[Fe/H] -0.19 (Holmberg et al. 2007)
0:[Fe/H] -0.105±0.030 (Wright et al. 2007 < Valenti & Fischer 2005)
0:[Fe/H] -0.11 (Soubiran et al. 2008)
自転速度 (rtv): 0:v sin i 1.2 km/s (Valenti & Fischer 2005)
0:v sin i 2 km/s (Holmberg et al. 2007)
0:v sin i 1.21±0.5 km/s (Wright et al. 2007 < Valenti & Fischer 2005)
自転周期 (rtp):
彩層の活動 (cha):
年齢 (age): 0:6.7 (1.9/11.7) Gyr (Valenti & Fischer 2005)
0:2.7 (<11.0) Gyr (Holmberg et al. 2007)
0:4.92 (0.84/9.40) Gyr (Takeda et al. 2007)
追加情報
E10:空間速度UVW:-73 km/s, -12 km/s, -35 km/s (Cat-GJ 1991)
E10:空間速度UVW:-79 km/s, -9 km/s, -36 km/s (Holmberg et al. 2007)
E10:銀河中心からの距離:7.996 kpc (Holmberg et al. 2007)
E10:銀河面からの距離:0.011 kpc (Holmberg et al. 2007)
E10:銀河公転軌道:6.50 kpc, 9.90 kpc, 0.21 (Holmberg et al. 2007)
E10:銀河面からの最大距離:0.56 kpc (Holmberg et al. 2007)
E20:見かけの等級R:6.3 (SIMBAD)
E20:見かけの等級I:6.0 (SIMBAD)
E20:見かけの等級J:5.411±0.041 (SIMBAD)
E20:見かけの等級H:5.098±0.020 (SIMBAD)
E20:見かけの等級K:5.003±0.017 (SIMBAD)
E20:色指数U-B:0.27 (Cat-GJ 1991)
E20:色指数V-I:0.78±0.01 (Cat-HIP 1997)
E20:色指数b-y:0.449 (Holmberg et al. 2007)
E30:主系列星からの高さ:-0.21 (Wright et al. 2007)
E30:重元素比 [Na/H]:-0.10 (Valenti & Fischer 2005)
E30:重元素比 [Si/H]:-0.10 (Valenti & Fischer 2005)
E30:重元素比 [Ti/H]:-0.13 (Valenti & Fischer 2005)
E30:重元素比 [Fe/H]:-0.10 (Valenti & Fischer 2005)
E30:重元素比 [Ni/H]:-0.14 (Valenti & Fischer 2005)
注釈
参考文献
Holmberg, J. et al. 2007 [Cat] "The Geneva-Copenhagen survey of the Solar neighbourhood II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk"
Astronomy and Astrophysics, vol. 475, issue 2, p. 519-537
http://ads.nao.ac.jp/abs/2007A%26A...475..519H
Soubiran, C. et al. 2008 [Cat]
Takeda, G. et al. 2007 [Cat] "Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog"
The Astrophysical Journal Supplement Series, vol. 168, issue 2, p. 297-318
http://ads.nao.ac.jp/abs/2007ApJS..168..297T
Valenti J. A. & Fischer, D. A. 2005 [Cat] "Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs"
The Astrophysical Journal Supplement Series, vol. 159, issue 1, p. 141-166
http://ads.nao.ac.jp/abs/2005ApJS..159..141V
van Belle, G. T. & von Braun, K. 2009
リンク
Holmberg et al. 2007
Soubiran et al. 2008
Takeda et al. 2007
Valenti & Fischer 2005
最終更新:2009年11月20日 03:09