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Doubles in session
Current system
20120-0031
J 548
Nearby doubles
4' : 20122-0035
DAM 201
5' : 20121-0034
DAM 200
16' : 20113-0049
BU 1540AB
17' : 20126+0052
STF2644
20' : 20133-0041
BAL 920
28' : 20102+0043
GRV 317
28' : 20119+0010
UC 4118
29' : 20106+0057
J 2700AB
32' : 20113-0008
S 735
33' : 20106+0102
DAM 197
34' : 20120+0004
GWP2927
46' : 20143+0009
HDS2885
47' : 20089-0047
UC 4103
51' : 20114+0127
BAL1546
51' : 20154+0042
HWE 100AB
52' : 20147+0109
J 2571
54' : 20154-0025
KPP2773
55' : 20134+0128
AG 248AB
57' : 20083+0052
BAL1213
58' : 20115+0135
BAL1547
60' : 20080-0041
SHY 325
65' : 20096+0132
TDT2036
66' : 20078+0021
BAL1212
66' : 20075-0037
H 4 34
68' : 20090+0127
BAL1544
68' : 20117+0146
HJ 906AB
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 20120-0031 : COMPONENTS
A
B
pa=138.8°
sep=4.14"
20120-0031 A
Coord arcsec 2000
201200.44-003735.5
Mag
9.4
PmRA
0.00
PmDE
2.0
20120-0031 B
Coord arcsec 2000
201200.62+003732.4
Mag
13
Calc delta mag
3.6
Calc coord
yes