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Doubles in session
Current system
20178+8314
LOC 442
Nearby doubles
10' : 20200+8306
LOC 454
22' : 20152+8335
UC 4127
22' : 20228+8334
TDT2220
25' : 20277+8257
MLR 234
29' : 20077+8336
LOC 443
35' : 19589+8325
HDS2845
37' : 20345+8254
MLR 235
44' : 20319+8350
LOC 456
78' : 20167+8156
LOC 441
84' : 20255+8152
LOC 452
97' : 20015+8447
LOC 445
102' : 20079+8454
UC 4092
103' : 19593+8138
MLR 231
109' : 20108+8127
LOC 440
109' : 20084+8127
HU 957
111' : 20282+8125
BUP 211AB
115' : 20086+8507
WSI 109AB
121' : 20040+8513
LOC 444AB
121' : 20094+8114
LOC 439
126' : 20165+8109
STT 526
130' : 20214+8523
LOC 457
131' : 20295+8105
STT 593AB
137' : 20032+8529
TDT1938
160' : 20376+8551
LOC 458
163' : 20144+8032
STF2694
166' : 20250+8559
LDS1934
Selections
Full WDS
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 20178+8314 : COMPONENTS
A
B
pa=21.7°
sep=0.45"
20178+8314 A
Coord arcsec 2000
201746.61+831405.8
Mag
15.4
PmRA
48.00
PmDE
30.0
20178+8314 B
Coord arcsec 2000
201746.70+831406.2
Mag
15.6
PmRA
47.00
PmDE
30.0
Calc delta mag
0.2
Calc coord
yes