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Computed Lists
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Doubles in session
Current system
21030-4643
SKF 1099
Nearby doubles
20' : 21048-4650
NSN 454
33' : 21045-4615
TOK 35
66' : 21064-4548
HU 1333
72' : 20596-4746
I 1431
76' : 21041-4758
I 130
85' : 20548-4636
I 1429AB
89' : 20545-4627
B 508
89' : 21004-4519
HU 1533
92' : 20591-4806
RST3273
95' : 21077-4523
TOK 938
99' : 21092-4529
TDT2787
99' : 21081-4520
I 1434
102' : 20531-4637
SKF1168
105' : 21083-4813
TDT2780
113' : 21081-4505
BVD 133
124' : 21050-4441
KPP3080
130' : 20568-4452
HDS2984
130' : 21146-4737
KPP1790
130' : 21152-4612
KPP3079
132' : 20533-4519
SKF1169
133' : 20568-4840
HU 1332
133' : 21017-4431
TOK 800
137' : 21008-4429
TDT2693
139' : 20571-4439
LDS 729
139' : 20495-4649
HU 1331
140' : 21011-4426
HJ 5238
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 21030-4643 : COMPONENTS
A
B
pa=136.8°
sep=6.03"
21030-4643 A
Coord arcsec 2000
210259.64-464322.9
Mag
10.9
Spectral class
K2 (yellow-orange)
PmRA
229.00
PmDE
-421.0
21030-4643 B
Coord arcsec 2000
210300.04-464327.3
Mag
16
Delta magnitude
5.1
Coordinate calculated
yes