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Doubles in session
Current system
21009-4132
WIS 346
Nearby doubles
10' : 21008-4123
B 513
22' : 21007-4111
I 1049
41' : 20573-4136
UC 4343
41' : 21028-4206
TDT2712
56' : 21050-4203
CPO 619
61' : 21038-4041
RSS 37
63' : 21050-4214
UC 4372
63' : 21064-4123
SEE 437AB
65' : 20552-4139
UC 4327
68' : 20556-4204
BRT1116
69' : 20561-4213
UC 4335
71' : 20552-4104
UC 4326
73' : 21043-4233
DON 999
75' : 21015-4246
NSN 455
85' : 20536-4153
BRT1115
90' : 21022-4300
DUN 236
91' : 21090-4126
UC 4390
98' : 21090-4058
CRU9016AB
103' : 21091-4047
CPO 620AB
103' : 21065-4012
WG 265
109' : 21104-4114
ARU 3
111' : 20517-4054
HJ 5228
113' : 21086-4245
SYU 12
114' : 20561-3953
SKF1098
126' : 21114-4215
TSN 97
127' : 21121-4128
BVD 153
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 21009-4132 : COMPONENTS
A
B
pa=4.1°
sep=1033.46"
21009-4132 A
Coord arcsec 2000
210054.90-413143.7
Mag
13.79
PmRA
231.00
PmDE
-247.0
21009-4132 B
Coord arcsec 2000
210101.52-411432.9
Mag
14.49
PmRA
351.00
PmDE
-253.0
Calc delta mag
0.7
Calc coord
yes