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Current system
18187-1206
SNA 90 AB


Nearby doubles
11' : 18183-1157
BRT2750

11' : 18182-1159
SKF1505

12' : 18181-1215
TRN 27AB

13' : 18181-1214
LNV 7

14' : 18181-1155
TDT 783

17' : 18175-1206
WRS 12

21' : 18188-1227
SZA 5

34' : 18184-1239
TDT 785

34' : 18164-1214
BRT2747

37' : 18195-1242
RST4006

37' : 18202-1137
BRT2751

42' : 18207-1138
SKF2802

48' : 18218-1155
EGN 22AB
Alasia

50' : 18181-1118
SNA 86

51' : 18166-1247
TSN 45

54' : 18218-1139
HU 62

60' : 18226-1152
BU 1252

65' : 18181-1310
HU 59

65' : 18228-1229
KPP4106

66' : 18189-1101
HU 60

68' : 18161-1111
HDS2579

75' : 18234-1137
BVD 126

80' : 18146-1113
HLD 142

82' : 18242-1213
HU 63

82' : 18210-1321
BWE 2

88' : 18143-1306
RST4003



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18187-1206 : COMPONENTS
 
 
  A Ab B
Ab pa=303.8°
sep=0.00"
 
B pa=33.2°
sep=2.98"
pa=33.3°
sep=2.98"
 
C pa=266.7°
sep=7.45"
pa=266.7°
sep=7.45"
pa=252.2°
sep=9.53"
 
 
18187-1206 A
 
 
Coord arcsec 2000 181840.86-120623.3 Mag 6.63 Spectral class O5IV (blue) PmRA 1.00
PmDE -2.0
 
 
18187-1206 Ab
 
 
Coord arcsec 2000 181840.86-120623.3 Mag 7.6 Spectral class O6IV (blue) Calc delta mag 0.2
Calc coord yes
 
 
18187-1206 B
 
 
Coord arcsec 2000 181840.97-120620.8 Mag 13.7 Calc delta mag 6.3 Calc coord yes
 
 
18187-1206 C
 
 
Coord arcsec 2000 181840.35-120623.7 Mag 14 Calc delta mag 6.6 Calc coord yes