No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ADS (.0) 671 1615 1860 5423 6175 7724 8119 8630 9413 10157 10417 11005 11046 11635 11635 12880 14636 15270 15971 Cas Psc Cas CMa Gem Leo UMa Vir Boo Her 36 Oph Oph 70 Oph 1 Lyr 2 Lyr Cyg 61 Cyg Cyg Aqr (.0) (A) (B) (cm) 0 h 49 m.1 +57 49 3.45 7.51 2 h 29 m.1 +67 24 4.64 6.89 6 h 45 m.1 16 43 1.46 8.49 11 h 18 m.2 +31 32 4.32 4.79 12 h 41 m.7 01 27 3.48 3.50 14 h 51 m.4 +19 06 4.74 6.90 16 h 41 m.3 +31 36 2.90 5.53 17 h 15 m.3 26 36 5.05 5.08 18 h 03 m.1 08 11 5.24 5.94 18 h 05 m.5 +02 30 4.20 5.99 2 h 02 m.0 +02 46 4.18 5.21 7 h 34 m.6 +31 53 1.94 2.92 10 h 20 m.0 +19 51 2.22 3.47 18 h 44 m.3 +39 40 5.00 6.10 18 h 44 m.3 +39 40 5.23 5.47 19 h 45 m.0 +45 08 2.91 6.33 21 h 06 m.9 +38 45 5.22 6.04 21 h 44 m.1 +28 45 4.78 6.09 22 h 28 m.8 00 01 4.31 4.51 4 7 10 25 6 4 8 25 20 8 5 5 5 6 10 7 ADS R. G. Aitken New General Catalogue of Double Stars Alan Hirshfeld and Roger W. Sinnott Sky Catalogue.0 Vol. 2 W. S. Finsen and C. E. Worley Third Catalogue of Orbits of Visual Binary Stars. 1970 2004
2004 10 27 A B, C W. 1793-1864 1822 Catalogus 795 stllarum duplicium, Dorpat, 1822 1824 11 1827 2 129 120,000 2112 1827 Cata-logus Novus Mcnsurae Micrometricae 1837 1830.0 Positiones Mediae 1852 1838 W. 1819-1905 550 1850 Pulkowa Catalogue Otto Struve 1838-1921 1873 Catalogue of Eighty-one Double
Stars Discovered with Six inch Alvan Clark Refractor 1340 A General Catalogue of Double Stars within 121 of the North Pole, Carnegie Institution of Washington, 1906. R. G. New General Catalogue of Double Stars within 120 of the North Pole, Carnegie Institution of Washington, 1932. 30 9 17180 ADS m1, m2 m m1, m2, m J1, J2, J J1 J0 10-0.4m1 J2 J0 10-0.4m2 J J0 10-0.4m J0 m 0 J J1 + J2 10-0.4m 10-0.4m1 + 10-0.4m2 m m1 2.5log{ 1 + 10 0.4(m1-m2) } 1 m m1 m2 m m1, m2 m1 m + 2.5log 1 + 10 0.4 m 2 0 90 180 270 360
W. R. 11.6 D D cm T. Lewis 12.2 D 6 1 21.6 D 41.9 D 91.4 D 6 1 1 5 5 91 cm 0.13 0.09
P n T e a i P n 360 P T e a i t n 360 P M n ( t T ) E e sin E R a ( 1 e cos E ) tan ( v / 2 ) {( 1 + e ) / ( 1 e )}tan( E / 2 ) tan ( - tan ( v + ) cos i R cos ( v + ) sec ( - ) M R E v a a 3 P 2 G 4 2 ( M 1 + M 2 ) 3
p a p a a P 3 M 1 + M 2 p a a a a A.U. p 4 4 3 M 1 + M 2 M 1 + M 2 4 2 GP 2 a p 3 5 M 1 a 2, a a 1 + a 2 M 2 a 1 A B A B C C A B C,, A ( 0 ) ( 0 + 90 ) x y B, C ( x, y ) ( x, y ) x cos ( - 0 ), y sin ( - 0 ) x cos ( - 0 ), y sin ( - 0 ) M B M 2 M A + M B M 1 + M 2 AB O x, y C C x x a 0 + a 1 ( t t 0 ) 6 y y b 0 + b 1 ( t t 0 ) a 0, a 1, b 0, b 1 t 0 t
( x, y ) ( x, y ) 6 a 0, a 1, b 0, b 1 C i P T K 1 V 0 e a 1 sin i f(m 2, M 1 ) a i
P T a e Cas ADS 671 0h 49.1m.0 + 57 49 3.45 7.51 1779 8 17 480 i 34.76 1889.6 268.59 11.9939 278.42 0.497 n 0.75 480 2005 319.37 13.03 2125 14.76 2370 4.96 10 2350 2400 2300 2450 2050 2100 2150 2200 2250 Dorrit Hoffleit The Bright Star Catalogue Yale University Observatory, 1982. 0.176 a a a 11.9939 68.1472 AU p 0.176 e 0.497 a ( 1 e ) 34.2781 AU a ( 1 + e ) 102.0164 AU M 1 + M 2 a P M 1 + M 2 a 3 P 2 68.1472 3 1.4 480 2
Paul Couteau A. H. Batten Observing Visual Double Stars 0.39 M 1 M 2 M 2 0.39 M 1 + M 2 M 2 1.4 M 2 0.39 1.4 0.55M 1 1.4-0.55 0.85 2100 2200 2400 2300 2400 2300 2200 2100 278.59 i 34.76 i 2100 2200 2400 2300 2400 2300 2100 2200
1779 8 17 11.09 70 1780.52 11.46 1782.45 1803 70.8 1814 Cas T. J. J. See Researches on the Evolution of the Stellar Systems volume 1, 1896. P 195.76 T 1907.84 a 8.2128 e 0.5142 i 45.95 217.87 46.1 n 1.83899 1900 1850 1800 1950
Psc ADS 1615 2h 2.0m.0 + 2 46 4.18 5.21 P T a e 720 i 142.24 2060.0 200.62 2.655 9.59 0.60 n 0.50 720 2005 258.33 1.43 2394 4.17 0 2050 2700 2100 2650 2150 2600 2550 2500 2450 2400 2200 2250 2300 2350 BS p 0.005 a a 2.655 p 0.005 531 AU a ( 1 e ) 212.4 AU a ( 1 + e ) 849.6 AU M 1 + M 2 a 3 P 2 531 3 288.81 720 2
Cas AB ADS 1860 2h 29.1m.0 + 67 24 4.64 6.89 P T a e 840 i 132.0 1550 299.0 2.27 6.3 0.40 n 0.42857 840 2005 228.91 2.53 2106 2.70 2368 0.94 10 2100 2200 2800 2300 2700 2600 2400 2500 BS p 0.023 a a 2.27 p 0.023 98.6957 AU 2.5 a ( 1 e ) 59.2174 AU a ( 1 + e ) 138.1740 AU M 1 + M 2 a 3 P 2 98.6957 3 1.36 840 2
P T a e CMa ADS 5423 6h 45.1m.0-16 43-1.46 8.49 1862 1 31 50.090 i 136.53 1894.130 147.27 7.500 44.57 0.5923 n 7.1870 1 50.09 2005 6.75 2023 4.11.28 0 2045 2005 2010 2040 2035 2030 2015 2025 2020 BS p 0.378 a a 7.500 p 0.378 19.8413 AU a ( 1 e ) 8.0893 AU a ( 1 + e ) 31.5933 AU M 1 + M 2 a 3 P 2 19.8413 3 3.14 50.090 2 0.33 M 2 0.33 3.14 1.04M 1 3.14-1.04 2.10
2 2005 2010 2010 2015 2020 2020 2025 2030 2030 2035 2040 2040 2045 HR Russell, Dugan and Stewart Astronomy
HR 1920 G, K, M HR 2 1.46 19 20 1834 F. W. 10 1844 1857 C. H. 1791.431 7.1865 50.01 0.7994
1861 T. H. 1862.1 83.8 A. G. 1862 1 31 18 45cm Why, father it has a companion! 1864 P T a e 49.399 i 47.14 1843.275 18.91 2.331 61.96 0.6148 T. J. J. See P T a e 52.20 i 46.77 1893.50 131.03 8.0316 34.3 0.620 n - 6.89655 T, J, J, See Researches on the Evolution of the Stellar Systems vol. 1, 1896.
10 1 m p D M M m 5logD + 5 m + 5log p + 5 A, B M A - 1.46 + 5log 0.378 + 5 1.43 M B 8.49 + 5log 0.378 + 5 11.38 1914 W. S. 60 1.5m F0 HR 10 10,000 10,000 1,000,000 2 500,000 1920 W. W. 1924 A. S. F0 8,000 11.3 18,800km 0.85 61,000gr/cm 3 V E km/sec V E M M
V E 0.634 M 0.634 M 2/3 1/3 R M R V E 20km/sec W. S. 100 2.5m 1925 H + 26km/sec H + 21 + 22 + 23km/sec + 4.3km/sec +23 4.3 +19km/sec + 0.32 The Internal Constitution of the Stars 2,000
Te M vis R log R 5900 1 Te 5 M vis 0.006 0.7564 2.276 0.006-1.5256 R 0.0298 0.0298 696,000km 20,740km M 1.04 0.0298 3 R 3 V E V E 39,299 39,299 1.411 55,451g/cm 3 M 1.04 0.634 0.634 22.1km/sec R 0.0298 S. W. Burnham A General Catalogue of Double Stars part 2, 1906.
P T a e Gem ADS 6175 7h 34.6m.0 + 31 53 1.94 2.92 J. J. 420.07 i 115.94 1965.30 261.43 6.295 40.47 0.33 n 0.857 2005 57.06 4.23 2065 6.35 2390 1.85 10 2350 2300 2250 2200 2400 2150 2100 2050 BS p 0.067 a a 6.295 p 0.067 93.9552AU 2.4 a ( 1 e ) 62.9500AU a ( 1 + e ) 124.9604AU M 1 + M 2 a 3 P 2 93.9552 3 4.70 420.07 2
A, B AB 164 72 9 C AB W.S Finsen and C. E. Worley Third Catalogue of Visual Binary Stars, 1970 420.07 1719 3 Preliminary B 1896 A. Belopolsky Bb a 1 Gem A 1905 H. D. Curtis Aa a 2 Gem Aa, Bb Curtis Bb 2.85m A0 P 2.928285 T 2,416,828.057JD K 1 31.76km/sec V 0-0.98km/sec e 0.01 102.52 a 1 sin i 1.279 10 6 km f(m 2, M 1 ) 0.0097 Aa 1.99m A0 9.218826 2,416,746.385JD 13.56km/sec +6.20km/sec 0.503 265.35 1.485 10 6 km 0.0015 C 1920 W. S. Adams A. H. Joy 1 1926 Joy R. S. Sanford Cc 9.0m M1e P 0.814266 T 2,423,746.524JD K 1 114.0km/sec K 2 126.7km/sec V 0 + 4.3km/sec e 0.0 a 1 sin i 1.276 10 6 km a 2 sin i 1.419 10 6 km M 1 sin 3 i 0.63 M 2 sin 3 i 0.57 van Gent a i i 86.4 a C c
0.195 0.175 3 9 20 3 Cc i 86.4 a 1, a 2, M 1, M 2 a 1 1.279 10 6 km a 2 1.422 10 6 km a a 1 + a 2 2.701 10 6 km 0.018AU 3.88R M 1 0.63M 2 0.57MCc M 1 + M 2 1.20 C, c R1, R2 a R 1 0.195 3.88R 0.76RR 2 0.175 3.88R 0.68R 1AU 149.598 10 6 km R 0.696 10 6 km Cc 2 3 2 1 3 log M - 0.0400 { M bol + 2 log ( Te 5200 ) 5.20 } M bol Te A, B A0 A, B log M B 0.1200 ( m A m B ) 0.12 ( 1.94 2.92 ) - 0.1176 M A M B : M A 0.7627 0.76 M A + M a 2.67M B + M b 2.03
Aa P 9.218826 365.2422 0.025240 a ( P M A + M a ) 2/3 ( 0.02524 2.67 ) 2/3 0.119AU Bb P 2.928285 365.2422 0.008017 a ( P M B + M b ) 2/3 ( 0.008017 2.03 ) 2/3 0.051AU i sin 3 i sin 3 i 0.58905 Aa f (M 2, M 1 ) M a 3 sin 3 i ( M A + M a ) 2 0.0015 M a M A + M a 3 0.0015 0.15 0.58905 M A 2.27M a 0.40 Bb f (M 2, M 1 ) M b 3 sin 3 i ( M B + M b ) 2 0.0097 M b M B + M b 3 0.0097 0.28 0.58905 M B 1.46M b 0.57 AB Cc AB p 0.067 0.198 ABC Cc 72 100 i 0 a 72 0.067 1,000 AU 4.7 + 1.2 6 P ( 1,000 3 6 ) 1/2 13,000 Aa 2 0.4 2 1/10AU 0.5 9 5 15 Bb 1.5 0.6 2 1/20AU 2 22 17 AB Aa Bb 420 94AU 2.4 0.33 4.70 AC AB 1,000AU Cc 10,000
Cc Cc 0.63 0.76R 0.57 0.68R 2 19 32.5 0.018 AU Cc Aa Bb
Leo ADS 7724 10h 20.0m.0 + 19 51 2.22 3.47 P T a e 618.56 i 36.368 1743.32 162.544 2.505 143.243 0.8426 n 0.5820 2005 125.31 4.43 2064 4.55 2360 0.38 10 2350 2300 2200 2250 2400 2150 2100 2050 2600 2450 2550 2500 BS p 0.022 a a 2.505 p 0.022 113.8636AU 3 a ( 1 e ) 17.9221AU a ( 1 + e ) 209.8051AU M 1 + M 2 a 3 P 2 113.8636 3 3.86 618.56 2
P T a e UMa ADS 8119 11h 18.2m.0 + 31 32 4.32 4.79 59.840 i 122.65 1935.170 127.53 2.530 101.59 0.414 n 6.01604 2005 242.84 1.73 2035 3.10 2053 0.85 10 2005 2010 2015 2020 2025 2030 2035 2040 2045 2055 2050 BS p 0.137 a a 2.530 p 0.137 18.4672AU a ( 1 e ) 10.8218AU a ( 1 + e ) 26.1126AU M 1 + M 2 a 3 P 2 18.4672 3 1.76 59.840 2
UMa 6 UMa F. Savary UMa 1826 W. 2 T. J. J. See Researches on the Evolution of the Stellar Systems vol. 1, 1896. S. W. Burnham A General Catalogue of Double Stars part 2, 1906.
1905 N. E. Norlund 1923 W. H. van den Bos 2 1967 W. D. Heintz The Bright Star Catalogue Yale University Observatory, 1982. p 0.137 1900 W. H. Wright A Norlund 1905 1.8 0.05 Norlund 3 Wright 1908 Wright Norlund van den Bos 1.8321 UMa Aa UMa Aa 1966 W. D. Heintz 1928 W. H. van den Bos 4.32 m P 1.832 669.14 T 1935.410 a 0.055 e 0.56 326.0 i 86.3 326.0 Ursae Majoris Aa W. D. Heintz W.H. va den Bos G5V P 669.18 1.8322 T 2,418,582.0 JD K 1 8.0 km/sec. e 0.53 320.0 V 0-15.0 km/sec. a 1 sin i 62.2 10 6 km e i van den Bos UMa 1918 UMa B UMa Bb UMa Bb 1931 L. Berman 4.87 m P 3.9805 K 1 5.00 km/sec. e 0.00 Ursae Majoris Bb L. Berman G0V T 2,425,000.000 JD V 0-15.90 km/sec. a 1 sin i 0.276 10 6 km
UMa M Aa + M Bb M A + M a + M B + M b 1.76 M Aa M Bb Berman 0.77 M Bb : M Aa 0.77 M A + M a 0.994M B + M b 0.766 Aa A, a f ( M a, M A ) M a 3 ( M A + M a ) 2 sin 3 i ( 10-6.98358 ) K 3 1 P ( 1 e 2 ) 3/2 1.0385 10-7 8.0 3 669.18 ( 1 0.53 2 ) 3/2 0.0217 MA + Ma 0.994 i 86.3 M a 3 0.0217 ( sin 86.3 ) 3 ( 0.994 ) 2 0.021575 M a 0.278M A 0.716 a 1 p a 1 a 1 0.055 p 0.137 0.4015 AU a 1 sin i i 86.3 a 1 sin i 62.2 10 6 km 0.41578 AU a 1 0.41578 0.417AU sin 86.3 M A + M a 0.994 P 1.832 a a a 1 + a 2 ( 0.994 1.832 2 ) 1/3 1.494 AU
a 1 M a M A + M a a 1 a 0.417 1.494 0.279 M a 0.279 0.994 0.277 M A 0.994 0.277 0.717 a 1 a M Bb f 0.0000 i M b M B UMa Aa 2005 1 1 MJD 53371 669 2006 2 28 0.078 2006 10 10 11 0.002 1.5m 2006 5 16 2006 2 5 2006 8 24 2005 10 28 2005 7 20 2005 1 1 2005 4 11
P T a e Vir ADS 8630 12h 41.7m.0-1 27 3.48 3.50 171.37 i 146.05 1836.433 252.88 3.746 31.78 0.8808 n 2.1007 2005 236.37 0.99 2090 5.96 2008 0.38 10 2170 2160 2010 2140 2130 2150 2120 2110 2100 2090 2080 2060 2070 2030 2040 2050 2020 BS p 0.099 a a 3.746 p 0.099 37.8384AU e 0.8808 a ( 1 e ) 4.5103AU a ( 1 + e ) 71.1665AU M 1 + M 2 a 3 P 2 37.8384 3 1.84 171.37 2
Paul Couteau A. H. Batten Observing Visual Double Stars 0.49 M 1 0.94 M 2 0.90 2 2 2050 2100 2150 2150 2100 2050 T. J. J. See, 1896. S. W. Burnham, 1906.
P T a e Boo ADS 9413 14h 51.4m.0 + 19 06 4.74 6.90 151.505 i 140.037 1909.361 23.917 4.9044 168.100 0.5117 n 2.37616 Cas 70 Oph 2005 313.20 6.35 2129 7.23 2066 2.12 10 2050 2040 2030 2060 2070 2020 2010 2150 2140 2130 2120 2100 2110 2090 2080 1900 T. J. J. See, 1896. S. W. Burnham, 1906.
BS p 0.156 a a 4.9044 p 0.156 31.4385AU e 0.5117 a ( 1 e ) 15.3514AU a ( 1 + e ) 47.5256AU M 1 + M 2 a 3 P 2 31.4385 3 1.35 151.505 2 Paul Couteau A. H. Batten Observing Visual Double Stars 0.46 M 1 M 2 M 1 0.73M 2 0.62 2 3 2 1.2 2100 2050 2050 2100
P T a e Her ADS 10157 16h 41.3m.0 + 31 36 2.90 5.53 34.385 i 131.4 1933.350 291.0 1.369 228.2 0.470 n 10.4697 2005 222.85 0.96 2025 1.59 2002 0.51 10 2010 2015 2005 2020 2025 2030 T. J. J. See, 1896. S. W. Burnham, 1906.
BS p 0.102 a a 1.369 p 0.102 13.4216AU 1.4 e 0.47 a ( 1 e ) 7.1134AU a ( 1 + e ) 19.7298AU M 1 + M 2 a 3 P 2 13.4216 3 2.05 34.385 2 Paul Couteau A. H. Batten Observing Visual Double Stars 0.41 M 1 M 2 M 1 1.21M 2 0.84 2 2010 2030 2005 2015 2020 2025 2050 2020 2025 2015 2005 2010 2030
36 Oph ADS 10417 17h 15.3m.0-26 36 5.05 5.08 P T a e 548.7 i 99.18 1643.48 90 13.91 93.64 0.90 n 0.6561 61 1 9 548.7 2005 145.15 4.99 2120 6.43 2192 0.25 10 36 2350 2400 2450 2500 2300 2250 2200 2050 2100 2150 BS 0.188 a a 13.91 p 0.188 73.9894 AU 2 e 0.90 a ( 1 e ) 7.3989 AU a ( 1 + e ) 140.5799 AU M 1 + M 2 a 3 P 2 73.9894 3 1.35 548.7 2
P T a e Oph ADS 11005 18h 03.1m.0-8 11 5.24 5.94 280.03 i 59.32 1829.00 49.78 1.494 63.04 0.718 n 0.718 2 280.03 2005 285.72 1.61 2211 2.07 2112 0.24 10 2150 2200 2250 2100 2050 T. J. J. See Researches on the Evolution of the Stellar Systems vol. 1, 1896.
P T a e 70 Oph ADS 11046 18h 05.5m.0 + 2 30 4.20 5.99 87.85 i 121.11 1895.90 13.09 4.551 301.59 0.50 n 4.098 70 4 3 87.85 2005 137.24 4.98 2024 6.75 2077 1.54 10 70 2010 2080 2020 2030 2040 2050 2070 2060 T. J. J. See, 1896. S. W. Burnham, 1906. 61 Cyg 70 Oph 1950 K. Aa. Strand BS p 0.201 a
a a 4.551 p 0.201 22.6418 AU M A + M B a 3 22.6418 3 1.50 P 2 87.85 2 Paul Couteau A. H. Batten Observing Visual Double Stars 0.42 M B 0.42 M A + M B M B 0.42 1.50 0.63, M A 1.50 0.63 0.87 6 36 T. J. J. See Researches on the Evolution of the Stellar Systems vol. 1, 1896. Strand 29 1915 1922 1931 1935 Dirk Reuyl Erik Holmberg Strand 33 64 97 1,150 Strand
70 Oph AB
70 Oph Reuyl Holmberg a sin b ( t t 0 ) + c + ( t t 0 ) ( 1 ) ( b 2 /P ) c + ( t t0 ) Strand ( 1 ) a, b t 0 ( 1 ) a 0.014 0.003 P 16.3 0.9 t 0 1930.8 0.4 c - 0.011 0.002 0.0000 0.0002 a 0.015 0.002 P 17.9 0.7 t 0 1925.6 0.6 c - 0.001 0.003 0.0005 0.0002 C 0.015 17 70 Oph p 0.201 0.075AU C A, B 61 Cyg A, B 0.15km/sec C 70 Oph M A 0.87 M B 0.63 C A AC P 17 M A + M C 0.87 M A + M C a 3 P 2 a (AC) 6.3AU a 3 17 2 a 3 289 0.87
M C M A + M C M C 0.87 0.075AU 6.3AU 0.0119 M C 0.0119 0.87 0.01 C B M B + M C a 3 P 2 a 3 17 2 a 3 289 0.63 a (BC) 5.7AU M C M B + M C M C 0.63 0.075AU 5.7AU 0.0132 M C 0.0132 0.63 0.008 C 10 8.5 61 Cyg C C A B 1.3 1.1 C A B C 70 Oph 61 Cyg 70 Oph AC BC 6.3AU 5.7AU AB 22.6AU C
1 Lyr ADS 11635 AB 18h 44.3m.0 + 39 40 5.00 6.10 P T a e 1165.6 i 138 1152.4 165.7 2.78 29 0.19 n 0.3089 1,2 2005 349.04 2.54 10 1 2300 2200 2400 2500 2600 2700 2100 2800 3100 3000 2900 BS 0.021 a a 2.78 p 0.021 132.3810 AU 3 e 0.19 a ( 1 e ) 107.2286 AU a ( 1 + e ) 157.5334 AU M 1 + M 2 a 3 P 2 132.3810 3 1.71 1165.6 2
2 Lyr ADS 11635 CD 18h 44.3m.0 + 39 40 5.23 5.47 P T a e 585 i 120.5 1644.5 92 2.95 17.4 0.49 n 0.6154 2005 73.43 2.44 10 2351 2.67 2228 0.76 10 2 2350 2300 2400 2450 2250 2200 2500 2550 2050 2150 2100 BS 0.021 a a 2.95 p 0.021 140.4762 AU 3 e 0.49 a ( 1 e ) 71.6429 AU a ( 1 + e ) 209.3095 AU M 1 + M 2 a 3 P 2 140.4762 3 8.10 585 2
Cyg ADS 12880 19h 45.0m.0 + 45 08 2.91 6.33 P T a e 537.31 i 141.51 1890.0 124.47 2.561 84.22 0.30 n 0.670 2005 215.10 2.24 2226 3.04 2408 1.45 10 2100 2050 2500 2450 2150 2200 2250 2300 2400 2350 BS 0.030 a a 2.561 p 0.030 85.3667 AU 2 e 0.30 a ( 1 e ) 59.7567 AU a ( 1 + e ) 110.9767 AU M 1 + M 2 a 3 P 2 85.3667 3 2.15 537.31 2
61 Cyg ADS 14636 21h 06.9m.0 + 38 45 5.22 6.04 P T a e 653.34 i 55.01 1676.94 147.03 24.307 171.40 0.4002 n 0.5510 1804 5.22 1838 2005 151.25 30.54 2068 32.22 2292 9.45 10 2100 2150 2250 2200 2050 2600 2550 2300 2500 2450 2350 2400 S. W. Burnham, 1906.
61Cyg 5.22 6.04 2 J. 1753.8 54 36 19.628 1822 70 G. F. W. 2 61Cyg AB A. Auwers A 51.52 5.191 B 53.68 5.121 1830 AB C. F. W. Peters 1885 P 782.6a 29.48e 0.17 S. W. 1905 61Cyg Oesten Bergstrand 1899 1903 61Cyg A, B B A 61Cyg 1910 F. Schlesinger D. Alter 61Cyg P. Baize (1927) Alan Fletcher (1931) Baise P 756 a 32.8e 0.013 Fletcher 1.126 P 696.63a 24.525e 0.404 61Cyg 80 100AU 2 61Cyg 1943 K. Aa. Strand 61Cyg C P 720 T 1690 a 24.554 e 0.40
p 0.294 M A + M B 1.12 A, B A, B C A, B C Strand P 4.9 T 1942.0 a 0.020 0.003 e 0.7 A, B 5.57m, 6.28m K6, M0 0.80m, 1.2m p 0.294 A, B M AV 5.57 0.8 + 5 log 0.294 + 5 7.1m M BV 6.28 1.2 + 5 log 0.294 + 5 7.4m 1/3 log M 1/3 los M A 0.079 1/3 log M B 0.087 M A 0.58 M B 0.55 2004 M A + M B 1.13 1.12 A, B 1 C C M C C 0.56 a ( 0.020 ) ( 0.294 0.56 MC ) P 4.9 M C M C 0.016
C A B a 0.70 ( a 2.4AU ) A B 1km/sec M C 0.016 0.18 60 B ) 10 16 Strand W. S. Finsen and C. E. Worley Third Catalogue of Vinary Stars 1970. BS p 0.294 a a 24.307 p 0.294 82.6769AU 2 e 0.4002 a ( 1 e ) 49.5896AU a ( 1 + e ) 115.7642AU M 1 + M 2 a 3 P 2 82.6769 3 1.32 653.34 2
Cyg ADS 15270 21h 44.1m.0 + 28 45 4.78 6.09 P T a e 507.5 i 76.5 1962.5 340.0 4.278 289.6 0.58 n 0.7094 2005 330.08 1.03 2252 6.53 2017 0.82 10 2450 2400 2350 2100 2300 2250 2200 2150 2500 2050 BS 0.049 a a 4.278 p 0.049 87.3061 AU Cyg e 0.58 a ( 1 e ) 36.6686 AU a ( 1 + e ) 137.9436 AU M 1 + M 2 a 3 P 2 87.3061 3 2.58 507.5 2
P T a e Aqr AB ADS 15971 22h 28.8m.0-0 01 4.31 4.51 C. 1777 856.0 i 131.25 1957.6 55.12 5.055 310.22 0.495 n 14.12 Y 2005 184.97 2.24 2004 0 2265 6.43 2833 1.77 10 2050 2100 2850 2800 2750 2700 2650 2150 2500 2550 2600 2200 2250 2300 2350 2400 2450 BS 0.022 a a 5.055 p 0.022 229.7727 AU e 0.495 a ( 1 e ) 116.0352 AU a ( 1 + e ) 343.5102 AU 3 8.7 M 1 + M 2 a 3 P 2 229.7727 3 16.56 856 2
S. W. Burnham A General Catalogue of Double Stars part 2, 1906. BS 0.058 a a 1.494 p 0.058 25.7586 AU 8.5 e 0.718 a ( 1 e ) 7.2639 AU a ( 1 + e ) 44.2533 AU M 1 + M 2 a 3 P 2 25.7586 3 0.22 280.03 2