タグ
名称
- わし座31番星
- 31 Aquilae
- 31 Aql
- GJ 759
- HD 182572
- HIP 95447
- HR 7373
- LHS 3463
- NSV 11994
位置
- 星座 (con):
- 座標 (cor):
- 01:19h 24m 58.2004s, +11d 56m 39.896s (J2000, SIMBAD < ICRS)
- 02:19h 24m 58.200s, +11d 56m 39.90s (J2000, SIMBAD < FK5)
- 03:19h 22m 35.09s, +11d 50m 09.5s (B1950, SIMBAD < FK4)
- 固有運動 (pm):
- 01:721.36 mas/yr, 643.67 mas/yr (SIMBAD)
- 03:961 mas/yr, 48.4d (Cat-LHS 1979)
- 04:738 mas/yr, 643 mas/yr (C:pm05, Cat-PPM 1988)
- 05:49.2 s/yr, 643 mas/yr (Cat-PPM 1988)
- 02:719 mas/yr, 636 mas/yr (Hoffleit 1964)
- 視線速度:
- 01:-100.1 km/s (SIMBAD)
- 03:-100.6 km/s (Cat-GJ, 1991)
- 02:-99.8 km/s (Wilson 1953)
- 年周視差 (plx):
- 01:66.01±0.77 mas (SIMBAD < Cat-HIP)
- 03:64.3±4.3 mas (Cat-GJ 1991)
- 04:66.01±0.77 mas (=plx01, Cat-HIP 1997)
- 02:59 mas (Henkins 1952)
- 距離 (dis):
- 01:15.15±0.18 pc (C:plx01, SIMBAD)
- 02:49.4±0.6 pc (C:plx01, SIMBAD)
測光
- スペクトル型 (sp):
- 01:G8IV (SIMBAD)
- 04:G6 (Cat-LHS 1979)
- 05:G5 (Cat-PPM 1988)
- 06:G8IV (Cat-GJ 1991)
- 02:G8 (Cat-NSV 2004)
- 03:G8IV (Eggen 1964)
- 見かけの等級 V (v):
- 01:5.16 (SIMBAD)
- 04:5.16 (Cat-GJ 1991)
- 02:5.10-5.190 (Cat-NSV 2004)
- 03:5.17 (Eggen 1964)
- 見かけの等級 B (b):
- 色指数 B-V (bv):
- 01:0.77 (C:v01+b01, SIMBAD)
- 04:0.77 (Cat-GJ 1991)
- 03:0.78 (Eggen 1964)
- 02:0.77 (Baliunas et al. 1995)
- 変光星型 (vrt):
- 01:Suspected (Cat-NSV 2004)
- 変光範囲 (vrr):
- 01:5.10-5.190 (Cat-NSV 2004)
- 変光幅 (vra):
物理的性質
- 絶対等級 (abs):
- 01:4.26 (C:plx01+v01, SIMBAD)
- 02:4.20 (Cat-GJ 1991)
- 全波長の光度 (lum):
- 可視光での明るさ (br):
- 01:1.69 Bsol ((C:abs01, SIMBAD)
- 質量 (mas):
- 01:1.147±0.022 Msol (Takeda et al. 2007)
- 半径 (rad):
- 01:2.95 Rsol (Johnson & Wright 1983)
- 02:1.36±0.04 Rsol (Takeda et al. 2007)
- 温度 (tmp):
- 01:4930 K (Johnson & Wright 1983)
- 03:5480 K (Rego 1970)
- 04:6000 K (Hearnshaw 1971)
- 05:5660 K (Hearnshaw 1972)
- 06:5790 K (Glebocki 1972)
- 07:5730 K (Hearnshaw 1975)
- 08:5730 K (Hearnshaw 1976)
- 09:5660 K (Kuroczkin & Wisniewski 1977)
- 10:5510 K (Malagnini & Morossi 1990)
- 14:5380 K (McWilliam 1990)
- 02:5750 K (Morell et al. 1992)
- 11:5300 K (Berdyugina 1994)
- 12:5708 K (Tayor 1996)
- 13:5600 K (Mishenina 1996)
- 00:5730 K (Luck & Heiter 2006)
- 15:5580 K (Soubiran et al. 2008)
- 重力 (grv):
- 01:log g 4.24 (Hearnshaw 1972)
- 02:log g 4.00 (Glebocki 1972)
- 03:log g 4.13 (Hearnshaw 1975)
- 04:log g 4.60 (Hearnshaw 1976)
- 05:log g 4.00 (Kuroczkin & Wisniewski 1977)
- 06:log g 3.98 (Malagnini & Morossi 1990)
- 07:log g 3.92 (McWilliam 1990)
- 08:log g 4.20 (Morell et al. 1992)
- 09:log g 3.98 (Berdyugina 1994)
- 10:log g 4.20 (Mishenina 1996)
- 00:log g 4.24 (Luck & Heiter 2006)
- 11:log g 4.24 -0.04/+0.02 (Takeda et al. 2007)
- 12:log g 4.18 (Soubiran et al. 2008)
- 重元素比 (met):
- 02:[Fe/H] 0.42 (Rego 1970)
- 03:[Fe/H] 0.51 (Hearnshaw 1971)
- 04:[Fe/H] 0.50 (Hearnshaw 1972)
- 05:[Fe/H] 0.40 (Glebocki 1972)
- 06:[Fe/H] 0.28 (Williams 1972)
- 07:[Fe/H] 0.44 (Hearnshaw 1975)
- 08:[Fe/H] 0.39 (Hearnshaw 1976)
- 09:[Fe/H] 0.21 (Kuroczkin & Wisniewski 1977)
- 10:[Fe/H] 0.19 (McWikkiam 1990)
- 13:[Fe/H] 0.15 (McWikkiam 1990)
- 01:[Fe/H] 0.30 (Morell et al. 1992)
- 11:[Fe/H] 0.32 (Mishenina 1996, Fe I)
- 12:[Fe/H] 0.29 (Mishenina 1996, Fe II)
- 00:[Fe/H] 0.44 (Luck & Heiter 2006)
- 14:[Fe/H] 0.37 (Soubiran et al. 2008)
- 自転周期 (rtp):
- 01:41 days (Baliunas et al. 1995)
- 彩層の活動 (cha):
- 01:R'_HK -5.099 (Baliunas et al. 1995)
- 年齢 (age):
- 01:9.0 Gyr (Morell et al. 1992)
- 02:9.44 -0.92/+0.80 Gyr (Takeda et al. 2007)
追加情報
- E201:見かけの等級R:4.7 (SIMBAD)
- E202:見かけの等級I:4.3 (SIMBAD)
- E203:見かけの等級J:3.553 (SIMBAD)
- E204:見かけの等級H:3.327 (SIMBAD)
- E205:見かけの等級K:3.037 (SIMBAD)
- E206:色指数U-B:0.43 (Eggen 1964)
- E207:色指数U-B:0.42 (Cat-GJ 1991)
- E316:重元素比[C/H]:-0.05 (Mishenina 1996)
- E300:重元素比[C/H]:0.40±0.05 (Luck & Heiter 2006)
- E317:重元素比[O/H]:0.25 (Mishenina 1996)
- E300:重元素比[O/H]:0.32±0.05 (Luck & Heiter 2006)
- E309:重元素比[Na/H]:0.84 (Hearnshaw 1971)
- E318:重元素比[Na/H]:0.49 (Mishenina 1996)
- E300:重元素比[Na/H]:0.57 (Luck & Heiter 2006)
- E306:重元素比[Mg/H]:0.26 (Hearnshaw 1971)
- E319:重元素比[Mg/H]:0.28 (Mishenina 1996)
- E312:重元素比[Al/H]:0.53 (Hearnshaw 1971)
- E318:重元素比[Al/H]:0.49 (Mishenina 1996)
- E300:重元素比[Al/H]:0.51 (Luck & Heiter 2006)
- E305:重元素比[Si/H]:0.68 (Hearnshaw 1971)
- E319:重元素比[Si/H]:0.37 (Mishenina 1996)
- E300:重元素比[Si/H]:0.44 (Luck & Heiter 2006)
- E300:重元素比[S/H]:0.64 (Luck & Heiter 2006)
- E320:重元素比[K/H]:0.21 (Mishenina 1996)
- E308:重元素比[Ca/H]:0.49 (Hearnshaw 1971)
- E321:重元素比[Ca/H]:0.36 (Mishenina 1996)
- E300:重元素比[Ca/H]:0.36 (Luck & Heiter 2006)
- E314:重元素比[Sc/H]:0.58 (Hearnshaw 1971)
- E322:重元素比[Sc/H]:0.45 (Mishenina 1996)
- E300:重元素比[Sc/H]:0.52 (Luck & Heiter 2006)
- E303:重元素比[Ti/H]:0.64 (Hearnshaw 1971, Ti I)
- E304:重元素比[Ti/H]:0.57 (Hearnshaw 1971, Ti II)
- E323:重元素比[Ti/H]:0.42 (Mishenina 1996)
- E300:重元素比[Ti/H]:0.54 (Luck & Heiter 2006)
- E310:重元素比[V/H]:0.74 (Hearnshaw 1971)
- E324:重元素比[V/H]:0.46 (Mishenina 1996)
- E300:重元素比[V/H]:0.49 (Luck & Heiter 2006)
- E301:重元素比[Cr/H]:0.57 (Hearnshaw 1971, Cr I)
- E302:重元素比[Cr/H]:0.60 (Hearnshaw 1971, Cr II)
- E325:重元素比[Cr/H]:0.29 (Mishenina 1996)
- E300:重元素比[Cr/H]:0.47 (Luck & Heiter 2006)
- E311:重元素比[Mn/H]:0.64 (Hearnshaw 1971)
- E326:重元素比[Mn/H]:0.52 (Mishenina 1996)
- E300:重元素比[Mn/H]:0.73 (Luck & Heiter 2006)
- E300:重元素比[Fe/H]:0.44 (Luck & Heiter 2006)
- E300:重元素比[Fe/H]:0.44±0.10 (Luck & Heiter 2006)
- E327:重元素比[Co/H]:0.40 (Mishenina 1996)
- E300:重元素比[Co/H]:0.58 (Luck & Heiter 2006)
- E307:重元素比[Ni/H]:0.64 (Hearnshaw 1971)
- E328:重元素比[Ni/H]:0.33 (Mishenina 1996)
- E313:重元素比[Zn/H]:0.88 (Hearnshaw 1971)
- E315:重元素比[Ba/H]:0.56 (Hearnshaw 1971)
- E329:重元素比[Y/H]:0.18 (Mishenina 1996)
- E330:重元素比[Zr/H]:0.27 (Mishenina 1996)
- E331:重元素比[Ba/H]:0.32 (Mishenina 1996)
- E332:重元素比[La/H]:0.35 (Mishenina 1996)
- E333:重元素比[Ce/H]:0.25 (Mishenina 1996)
- E334:重元素比[Pr/H]:0.27 (Mishenina 1996)
- E335:重元素比[Nb/H]:0.32 (Mishenina 1996)
- E300:リチウム:0.40 (Luck & Heiter 2006)
- E300:微視的乱流:1.48 km/s (Luck & Heiter 2006)
- E300:巨視的乱流:2.5 km/s (Luck & Heiter 2006)
最終更新:2009年11月29日 02:12