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Doubles in session


Current system
20457+1017
OSO 134 AB


Nearby doubles
26' : 20454+0952
HEI 589

42' : 20473+1052
LEP 97

49' : 20443+1101
BPM2242

52' : 20452+1108
BPM2254

59' : 20473+0924
GWP2999

61' : 20478+1109
BPM2267

62' : 20439+1113
BPM2239

64' : 20416+1058
J 192

66' : 20440+1118
UC 4272

68' : 20488+1106
BPM2274

70' : 20460+1126
TDT2526

70' : 20478+1119
HJ 271

70' : 20417+1053
UC 4260

73' : 20409+1035
STF2713

75' : 20495+1106
BPM2276

76' : 20465+1131
BPM2258

78' : 20424+1117
OSO 131AB

83' : 20495+1116
UC 4301

85' : 20413+1111
BPM2229

85' : 20446+0854
LDS1046

86' : 20478+0857
UC 4290

87' : 20494+1124
J 194AB

87' : 20484+1134
BPM2270

95' : 20521+1014
A 1212

97' : 20401+1105
GWP2979

98' : 20391+1005
STT 533AB



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20457+1017 : COMPONENTS
 
 
  A B
B pa=43.4°
sep=11.03"
 
C pa=44.3°
sep=19.23"
pa=45.5°
sep=8.19"
 
 
20457+1017 A
 
 
Coord arcsec 2000 204542.10+101701.8 Mag 13.77 PmRA -139.00 PmDE -584.0
 
 
20457+1017 B
 
 
Coord arcsec 2000 204542.61+101709.8 Mag 16.5 Calc delta mag 2.73 Calc coord yes
 
 
20457+1017 C
 
 
Coord arcsec 2000 204543.01+101715.6 Mag 19.4 Calc delta mag 5.63 Calc coord yes