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Computed Lists
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Doubles in session
Current system
20117+4725
TDT 2072
Nearby doubles
11' : 20126+4729
TDT2089
13' : 20112+4714
TDT2059
32' : 20142+4744
ES 799AB
35' : 20095+4752
BLL 45
38' : 20135+4653
OPI 23AB
43' : 20155+4743
S 743
45' : 20146+4652
OPI9004
46' : 20136+4644
HJ 1495AB
46' : 20143+4648
ES 27
49' : 20084+4650
TDT2013
50' : 20070+4737
TDS1042
50' : 20139+4642
SMR 69
60' : 20095+4821
TDT2033
64' : 20073+4811
HDS2867
65' : 20070+4642
KPP 455
67' : 20179+4705
TDT2148
68' : 20121+4618
OSO 120AB
69' : 20147+4625
TDT2116
70' : 20099+4618
BRT2255
71' : 20085+4622
A 721
77' : 20057+4812
TDT1966
78' : 20130+4609
AHD 33
87' : 20196+4754
BLL 49
87' : 20042+4645
HDS2861
88' : 20045+4814
CHR 91
90' : 20196+4807
ES 503
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 20117+4725 : COMPONENTS
A
B
pa=229.4°
sep=0.44"
20117+4725 A
Coord arcsec 2000
201139.51+472509.8
Mag
10.6
PmRA
7.00
PmDE
7.0
20117+4725 B
Coord arcsec 2000
201139.48+472509.5
Mag
10.73
PmRA
7.00
PmDE
7.0
Delta magnitude
0.13
Coordinate calculated
yes