タグ
名称
- グリーゼ758
- HIP 95319
- HD 182488
- HR 7368
- GJ 758
- BD+32 3411
- GSC 02658-02556
位置
- 星座 (con):
- 座標 (cor):
- 00:19 23 34.0126, +33 13 19.078 (J2000, SIMBAD < ICRS)
- 00:19 21 40.77, +33 07 17.4 (B1950, SIMBAD < FK4)
- 固有運動 (pm):
- 00:82.04 162.92 mas/yr (SIMBAD)
- 00:82.04±0.54 mas/yr, 162.92±0.52 mas/yr (Cat-HIP 1997)
- 視線速度 (rv):
- 00:-20.5±2 km/s (SIMBAD)
- 00:-20.6 km/s (Cat-GJ 1991)
- 00:-21.2 km/s (Valenti & Fischer 2005)
- 00:-21.5±0.4 km/s (Gontcharov 2006)
- 00:-22.0±0.2 km/s (Holmberg et al. 2007)
- 00:-21.58 km/s (Soubiran et al. 2008)
- 年周視差 (plx):
- 01:64.54±0.60 mas (SIMBAD)
- 02:64.54±0.60 mas (Cat-HIP 1997)
- 00:56.7±5.1 mas (Cat-GJ 1991)
- 距離 (dis):
- 00:15.49±0.15 pc (C:plx01, SIMBAD)
- 00:15.5 pc (Lawler et al. 2009)
- 00:50.5±0.5 ly (C:plx01, SIMBAD)
連星
測光
- スペクトル型 (sp):
- 00:G8V (SIMBAD)
- 00:K0V (Cat-GJ 1991)
- 00:G8V (Cat-HIP 1997)
- 00:G8V (Soubiran et al. 2008)
- 00:G8V (Lawler et al. 2009)
- 見かけの等級V (v):
- 01:6.361 (SIMBAD)
- 00:6.37 (Cat-GJ 1991)
- 02:6.37 (Cat-HIP 1997)
- 00:6.37 (Valenti & Fischer 2005)
- 00:6.37 (Gontcharov 2006)
- 00:6.360 (Holmberg et al. 2007)
- 00:6.37 (Lawler et al. 2009)
- 見かけの等級B (b):
- 色指数B-V (bv):
- 01:0.832 (C:v01+b01, SIMBAD)
- 00:0.81 (Cat-GJ 1991)
- 00:0.804±0.006 (Cat-HIP 1997)
- 00:0.787 (Soubiran et al. 2008)
- 変光星型 (vrt):
- 00:Constant (Cat-HIP 1997)
- 変光範囲 (vrr):
- 変光幅 (vra):
- 変光周期 (vrp):
物理的性質
- 絶対等級V (abs):
- 01:5.41 (C:plx01+v01, SIMBAD)
- 02:5.42 (C:plx02+v02, Cat-HIP 1997)
- 00:5.14 (Cat-GJ 1991)
- 00:5.41 (Holmberg et al. 2007)
- 00:5.408 (Soubiran et al. 2008)
- 全波長の光度 (lum):
- 00:0.60±0.03 Lsol (Valenti & Fischer 2005)
- 可視光での明るさ (br):
- 00:0.59 *sol (C:abs01, SIMBAD)
- 00:1 / 1.71 *sol (C:abs01, SIMBAD)
- 質量 (mas):
- 00:1.28±0.17 Msol (Valenti & Fischer 2005)
- 00:0.96 (0.93-1.00) Msol (Valenti & Fischer 2005)
- 00:0.966 (0.936-0.988) Msol (Takeda et al. 2007)
- 00:0.97±0.01 Msol (Holmberg et al. 2007)
- 半径 (rad):
- 00:0.871±0.014 Rsol (Valenti & Fischer 2005)
- 00:0.88 (0.86-0.91) Rsol (Takeda et al. 2007)
- 温度 (tmp):
- 00:5310 K (Holmberg et al. 2007)
- 00:5310±70 K (Taylor et al. 2005)
- 00:5453 K (Valenti & Fischer 2005)
- 00:5425 K (Soubiran et al. 2008)
- 00:5484 K (Lawler et al. 2009)
- 重力 (grv):
- 00:log g 4.50 (Valenti & Fischer 2005)
- 00:log g 4.67 (Valenti & Fischer 2005)
- 00:log g 4.55 (4.52-4.57) (Takeda et al. 2007)
- 00:log g 4.56 (Soubiran et al. 2008)
- 重元素比 (met):
- 00:[M/H] 0.12 (Valenti & Fischer 2005)
- 00:[Fe/H] 0.117±0.055 (Taylor et al. 2005)
- 00:[Fe/H] 0.22 (Valenti & Fischer 2005)
- 00:[Fe/H] 0.14 (Holmberg et al. 2007)
- 00:[Fe/H] 0.18 (Soubiran et al. 2008)
- 自転速度 (rtv):
- 00:v sin i 0.0 km/s (Valenti & Fischer 2005)
- 00:v sin i 1 km/s (Holmberg et al. 2007)
- 自転周期 (rtp):
- 彩層の活動 (cha):
- 年齢 (age):
- 00:4.1 (1.0-8.2) Gyr (Valenti & Fischer 2005)
- 00:4.5 (0.3-15.1) Gyr (Holmberg et al. 2007)
- 00:0.72 (<3.80) Gyr (Takeda et al. 2007)
- 00:4.5 (4.1-10.5) Gyr (Lawler et al. 2009)
追加情報
- E100:空間速度UVW:-23 km/s, -12 km/s, -2 km/s (Cat-GJ 1991)
- E100:空間速度UVW:-21 km/s, -15 km/s, -3 km/s (Holmberg et al. 2007)
- E100:銀河上の位置Rz: kpc, kpc (Holmberg et al. 2007)
- E100:銀河上の軌道:7.34-8.10 kpc, 0.05, 0.06 kpc (Holmberg et al. 2007)
- E200:見かけの等級R:5.8 (SIMBAD)
- E200:見かけの等級I:5.5 (SIMBAD)
- E200:見かけの等級J:5.369±0.218 (SIMBAD)
- E200:見かけの等級H:4.743±0.096 (SIMBAD)
- E200:見かけの等級K:4.493±0.036 (SIMBAD)
- E200:見かけの等級K:4.49 (Lawler et al. 2009)
- E200:見かけの等級VT:6.444±0.004 (Cat-HIP 1997)
- E200:見かけの等級BT:7.370±0.006 (Cat-HIP 1997)
- E200:見かけの等級Hp:6.5068±0.007 (Cat-HIP 1997)
- E200:見かけの等級Hp:6.49-6.52 (Cat-HIP 1997)
- E200:色指数U-B:0.46 (Cat-GJ 1991)
- E200:色指数R-I: (Cat-GJ 1991)
- E200:色指数V-I:0.84±0.01 (Cat-HIP 1997)
- E200:色指数b-y:0.481 (Holmberg et al. 2007)
- E200:Hbeta:2.567 (Holmberg et al. 2007)
- E300:重元素比[M/H]:0.12 (Valenti & Fischer 2005)
- E300:重元素比[Na/H]:0.26 (Valenti & Fischer 2005)
- E300:重元素比[Si/H]:0.19 (Valenti & Fischer 2005)
- E300:重元素比[Ti/H]:0.17 (Valenti & Fischer 2005)
- E300:重元素比[Fe/H]:0.22 (Valenti & Fischer 2005)
- E300:重元素比[Ni/H]:0.20 (Valenti & Fischer 2005)
- E100:ダスト8.5-12μm:<11e-5 Mstar (Lawler et al. 2009)
- E100:ダスト30-34μm:<1.2e-5 Mstar (Lawler et al. 2009)
- E100:ダスト70μm:<2.7e-5 Mstar (Beichman et al. 2006)
コメント
注釈
参考文献
リンク
- Cat-HIP 1997
- Cat-GJ 1991
- Holmberg et al. 2007
- Soubiran et al. 2008
最終更新:2009年12月05日 01:09