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Current system
21177+1636
J 850 AC


Nearby doubles
1' : 21177+1635
MAY9003

4' : 21175+1637
MAY9002

11' : 21181+1646
J 3238AB

21' : 21176+1614
BPM2355

23' : 21162+1629
BPM2354

25' : 21160+1639
BPM2353

25' : 21193+1640
BPM2358

27' : 21158+1642
GRV 441

36' : 21161+1606
BU 1261

37' : 21176+1711
BPM2356

43' : 21160+1600
HO 284

51' : 21148+1605
NSN 742

52' : 21212+1645
HJ 281AB

55' : 21148+1600
SMA 145

56' : 21185+1541
BPMA254AB

67' : 21133+1655
BU 681

68' : 21182+1741
J 1720

70' : 21135+1559
HU 767

72' : 21135+1604
SMA 143

72' : 21206+1537
AG 416

73' : 21213+1724
BPM2362

75' : 21152+1741
LDS4875

76' : 21228+1621
GWP3054

77' : 21158+1745
LDS1052

80' : 21126+1706
BPM2342

81' : 21217+1731
BPM2364



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 21177+1636 : COMPONENTS
 
 
  A B
B pa=234.7°
sep=2.36"
 
C pa=331.5°
sep=12.31"
pa=342.1°
sep=12.81"
 
 
21177+1636 A
 
 
Coord arcsec 2000 211739.02+163444.2 Mag 9.6 PmRA 29.00 PmDE 2.0
 
 
21177+1636 B
 
 
Coord arcsec 2000 211738.89+163442.8 Mag 12.5 Calc delta mag 2.9 Calc coord yes
 
 
21177+1636 C
 
 
Coord arcsec 2000 211738.61+163455.0 Mag 9.6 PmRA -14.00 PmDE -8.0
Calc coord yes