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Computed Lists
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Doubles in session
Current system
21212+5001
KPP 4235 AB
Nearby doubles
30' : 21182+4956
HU 692
34' : 21225+4929
HDS3043
38' : 21235+5031
HLD 44
38' : 21183+4934
COU2654
38' : 21248+5015
HJ 1645
39' : 21207+4923
ES 820AB
39' : 21173+5011
TDT2885
41' : 21203+4921
BU 839AB
44' : 21238+4926
HJ 1643
44' : 21190+5039
ES 1004
46' : 21246+5033
TDT2947
48' : 21260+4950
HDS3051
51' : 21196+4913
YR 29
52' : 21195+5048
ES 1005AB
56' : 21249+4919
ES 2710
64' : 21148+4946
COU2653
68' : 21144+5015
SKF 393
68' : 21265+4917
ES 823
70' : 21279+4938
KPP2392
71' : 21264+4911
ES 822
74' : 21287+4952
STF2800
74' : 21260+4905
ES 821
75' : 21142+4930
ES 819
78' : 21254+5108
SKF2530
79' : 21252+5110
CBL 92
82' : 21296+5010
KPP 877
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 21212+5001 : COMPONENTS
A
B
pa=90.2°
sep=1.79"
21212+5001 A
Coord arcsec 2000
212111.10+500103.6
Mag
13.4
PmRA
64.00
PmDE
-3.0
21212+5001 B
Coord arcsec 2000
212111.29+500103.6
Mag
14.4
PmRA
63.00
PmDE
-2.0
Calc delta mag
1
Calc coord
yes