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Doubles in session


Current system
20440+4521
KPP 3361


Nearby doubles
9' : 20436+4514
CBL 85

14' : 20427+4521
ES 1270

22' : 20434+4501
ES 668AB

23' : 20421+4532
BKO 157

23' : 20420+4532
BRT2271

25' : 20432+4458
BKO 159

27' : 20433+4456
ES 2699

28' : 20414+4517
H N 73
Deneb

33' : 20423+4549
STT 411AB

37' : 20461+4452
ES 30

38' : 20473+4535
HO 280

39' : 20464+4551
CVR 230

40' : 20459+4448
ES 2701

45' : 20485+4519
LDS2456

49' : 20438+4610
TDT2503

50' : 20394+4530
TDS1087

51' : 20432+4431
COU2422

53' : 20490+4525
SMA 120

55' : 20489+4537
HDS2965

55' : 20492+4525
COU2646

58' : 20449+4425
ES 1332

58' : 20437+4619
HO 140

62' : 20456+4621
HDS2955

62' : 20494+4458
GRV 384

63' : 20416+4424
COU2541

64' : 20500+4521
ES 2702



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 20440+4521 : COMPONENTS
 
 
  A
B pa=144.0°
sep=1.93"
 
 
20440+4521 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204359.37+452123.4 Mag 13.89 PmRA -199.00
PmDE -78.0
 
 
20440+4521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204359.48+452121.8 Mag 16.29 PmRA -198.00
PmDE -74.0 Calc delta mag 2.4 Calc coord yes