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Doubles in session
Current system
01221+4723
SKF 2460
Nearby doubles
6' : 01219+4717
A 938AB
41' : 01259+4735
LDS3279
43' : 01181+4707
A 937
59' : 01236+4819
TDS1863
60' : 01170+4654
LDS3256
61' : 01165+4745
TDS1825
63' : 01281+4712
UC 560
64' : 01211+4620
DAM1281
64' : 01207+4620
STF 112AB
66' : 01281+4745
HDS 193
67' : 01158+4702
LAW 9AB
67' : 01220+4830
HDS 176
72' : 01287+4747
TDS1887
74' : 01277+4808
ES 450AB
75' : 01151+4702
COU1859
77' : 01218+4839
TDS1855
80' : 01299+4729
ES 1210AB
89' : 01135+4740
COU1857
90' : 01149+4815
A 934
90' : 01308+4734
A 815AB
92' : 01292+4820
BWL 6AB
96' : 01229+4857
TOI1559
99' : 01194+4857
HU 521
99' : 01147+4829
COU1858
104' : 01232+4905
KU 8
105' : 01121+4700
BU 236
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 01221+4723 : COMPONENTS
A
B
pa=242.4°
sep=16.40"
01221+4723 A
Coord arcsec 2000
012203.80+472233.1
Mag
10.3
Spectral class
A2 (white)
PmRA
-7.00
PmDE
1.0
01221+4723 B
Coord arcsec 2000
012202.37+472225.5
Mag
10.6
PmRA
-9.00
PmDE
0.0
Delta magnitude
0.3
Coordinate calculated
yes