* タグ &tags() * 名称 - &bold(){はくちょう座61番星A} - &bold(){はくちょう座V1803} - &bold(){61 Cygni A} - &bold(){61 Cyg A} - &bold(){V1803 Cyg} - &bold(){HD 201091} - &bold(){HIP 104214} - &bold(){HR 8085} - &bold(){GJ 820} - &bold(){LHS 62} - &bold(){NSV 13543} * 位置 - 星座: -- 00:&bold(){はくちょう座} - 座標 (cor): -- 01:&bold(){21h 06m 53.9434s, +38d 44m 57.898s} &small(){(J2000, SIMBAD < ICRS)} -- 02:&bold(){21h 06m 53.943s, +38d 44m 57.90s} &small(){(J2000, SIMBAD < FK5)} -- 03:&bold(){21h 04m 39.19s, +38d 30m 09.0s} &small(){(B1950, SIMBAD < FK4)} -- 04:&bold(){21h 04m 40s, +38d 30.0m} &small(){(B1950, Cat-GJ 1991)} -- 05:&bold(){21h 06m 54.6s, +38d 44m 45s} &small(){(J2000, Cat-HR 1991)} -- 07:&bold(){21h 06m 50.84s, +38d 44m 29.4s} &small(){(J1991.25, Cat-HIP 1997)} -- 08:&bold(){316.71181258 deg, 38.74149446 deg} &small(){(J1991.25, Cat-HIP 1997)} -- 06:&bold(){316.722567 deg, +38.748055 deg} &small(){(J2000, Cat-2MASS 2003)} - 固有運動 (pm): -- 01:&bold(){4156.93 mas/yr, 3259.3 mas/yr} &small(){(SIMBAD)} -- 06:&bold(){5281 mas/yr, 51.9 deg} &small(){(RECONS)} -- 04:&bold(){4135 mas/yr, 3250 mas/yr} &small(){(Cat-AGK3 1975)} -- 05:&bold(){352.3 s/yr, 3185 mas/yr} &small(){(Cat-SAO 1966-1990)} -- 02:&bold(){5220 mas/yr, 52.4 deg} &small(){(Cat-GJ 1991)} -- 03:&bold(){4136 mas/yr, 3203 mas/yr} &small(){(Cat-HR 1991)} - 視線速度 (rv): -- 01:&bold(){-64.3±0.9 km/s} &small(){(SIMBAD)} -- 02:&bold(){-64 km/s} &small(){(Cat-HR 1991)} - 年周視差 (plx): -- 01:&bold(){287.13±1.51 mas} &small(){(SIMBAD < Cat-HIP 1997)} -- 04:&bold(){286.04±0.56 mas} &small(){(RECONS)} -- 02:&bold(){288.7±1.9 mas} &small(){(Cat-GJ 1991)} -- 03:&bold(){287.13±1.51 mas} &small(){(=plx01, Cat-HIP 1997)} - 距離 (dis): -- 01:&bold(){3.483±0.018 pc} &small(){(C:plx03, Cat-HIP 1997)} -- 02:&bold(){3.496±0.07 pc} &small(){(C:plx02, RECONS)} -- 03:&bold(){11.36±0.06 ly} &small(){(C:plx03, Cat-HIP 1997)} -- 04:&bold(){11.403±0.022 ly} &small(){(C:plx02, RECONS)} * 連星 &include(*o*はくちょう座61番星AB) * 測光 - スペクトル型 (sp): -- 01:&bold(){K5.0V} &small(){(RECONS)} -- 02:&bold(){K5} &small(){(Cat-AGK3 1975)} -- 03:&bold(){K6} &small(){(Cat-NLTT 1979)} -- 04:&bold(){K5} &small(){(Cat-SAO 1966-1990)} -- 05:&bold(){K5Ve} &small(){(Cat-GJ 1991)} -- 06:&bold(){K5V} &small(){(Cat-2RE 1995)} -- 07:&bold(){K5V} &small(){(Cat-HIP 1997)} -- 08:&bold(){K5.Ve} &small(){(Cat-GKL99 1999)} -- 09:&bold(){K5V} &small(){(Johnson & Wright 1983)} - 見かけの等級V (v): -- 01:&bold(){5.21} &small(){(RECONS)} -- 02:&bold(){5.4} &small(){(Cat-SAO 1966-1990)} -- 03:&bold(){5.21} &small(){(Cat-GJ 1991)} -- 04:&bold(){5.2} &small(){(Cat-2RE 1995)} -- 05:&bold(){5.22} &small(){(Cat-GKL99 1999)} - 見かけの等級B (b): -- 01:&bold(){6.39} &small(){(Cat-GKL99 1999)} - 色指数 B-V (bv): -- 01:&bold(){1.18} &small(){(Cat-GJ 1991)} -- 02:&bold(){1.069±0.015} &small(){(Cat-HIP 1997)} -- 03:&bold(){1.17} &small(){(Cat-GKL99 1999)} -- 04:&bold(){1.18} &small(){Baliunas et al. 1996} - 変光星型 (vrt): -- 01:&bold(){Unsolved} &small(){(Cat-HIP 1997)} -- 02:&bold(){UV Cet} &small(){(Cat-GKL99 1999)} -- 03:&bold(){BY Dra} &small(){(Cat-GCVS 2007-2009)} - 変光範囲 (vrr): -- 01:&bold(){5.85-5.17} &small(){(Cat-HIP 1997,*Flt-Hp)} -- 02:&bold(){5.270-5.190} &small(){(Cat-GCVS 2007-2009)} - 変光幅 (vra): - 変光周期 (vrp): * 物理的性質 - 絶対等級V (abs): -- 01:&bold(){7.49} &small(){(RECONS)} -- 02:&bold(){7.51} &small(){(Cat-GJ 1991)} -- 03:&bold(){7.58} &small(){(Johnson & Wright 1983)} - 全波長の光度 (lum): - 可視光での明るさ (br): - 質量 (mas): -- 01:&bold(){0.70 Msol} &small(){(RECONS)} -- 02:&bold(){0.70 Msol} &small(){(Cat-GKL99 1999)} -- 03:&bold(){0.660 -0.02/+0.10 Msol} &small(){(Takeda et al. 2007)} - 半径 (rad): -- 01:&bold(){0.77 Rsol} &small(){(Cat-GKL99 1999)} -- 03:&bold(){0.72 Rsol} &small(){(Johnson & Wright 1983)} -- 02:&bold(){0.62 -0.02/+0.01 Rsol} &small(){(Takeda et al. 2007)} - 温度 (tmp): -- 01:&bold(){4080 K} &small(){(Johnson & Wright 1983)} - 重力 (grv): -- 01:&bold(){log g 4.70 -0.02/+} &small(){(Takeda et al. 2007)} - 重元素比 (met): - 自転速度 (rtv): - 自転周期 (rtp): -- 01:&bold(){35 days} &small(){(Baliunas et al. 1996)} -- 02:&bold(){36.1 days} &small(){(Olah et al. 2009)} - 彩層の活動 (cha): -- 01:&bold(){log R'_HK -4.764} &small(){(Baliunas et al. 1996)} - 年齢 (age): -- 01:&bold(){<4.4 Gyr} &small(){(Takeda et al. 2007)} * 追加情報 - E101:空間速度 UVW:&bold(){-92, -54, -9 km/h} &small(){(Cat-GJ 1991)} - E102:空間速度絶対値:&bold(){107 km/h} &small(){(C:E101, Cat-GJ 1991)} - E201:色指数 U-B:&bold(){1.11} &small(){(Cat-GJ 1991)} - E202:色指数 R-I:&bold(){0.47} &small(){(Cat-GJ 1991)} - E209:見かけの等級U:&bold(){7.50} &small(){(Cat-GKL99 1999)} - E207:見かけの等級R:&bold(){4.9} &small(){(Cat-NLTT 1979)} - E210:見かけの等級R:&bold(){4.19} &small(){(Cat-GKL99 1999)} - E211:見かけの等級I:&bold(){3.54} &small(){(Cat-GKL99 1999)} - E203:見かけの等級J:&bold(){3.114±0.268} &small(){(Cat-2MASS 2003)} - E212:見かけの等級J:&bold(){3.15} &small(){(Cat-GKL99 1999)} - E204:見かけの等級H:&bold(){2.540±0.198} &small(){(Cat-2MASS 2003)} - E213:見かけの等級H:&bold(){2.47} &small(){(Cat-GKL99 1999)} - E205:見かけの等級K:&bold(){2.248±0.318} &small(){(Cat-2MASS 2003)} - E214:見かけの等級K:&bold(){2.39} &small(){(Cat-GKL99 1999)} - E215:見かけの等級L:&bold(){2.31} &small(){(Cat-GKL99 1999)} - E206:見かけの等級P:&bold(){6.7} &small(){(Cat-AGK3 1975)} - E208:見かけの等級P:&bold(){6.2} &small(){(Cat-NLTT 1979)} - E206:見かけの等級Hp:&bold(){5.3685} &small(){(Cat-HIP 1997)} - E301:活動サイクル:&bold(){3.6 yr, 6.2<->7.2 yr} &small(){(Olah et al. 2009)}