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Doubles in session


Current system
18503+1228
J 468 AC


Nearby doubles
2' : 18503+1229
BPM 858

3' : 18502+1227
J 1226

3' : 18501+1230
BPM 856

9' : 18507+1233
BPM 864

11' : 18506+1219
HJ 1350

13' : 18497+1238
BPM 852

16' : 18504+1241
J 469

18' : 18504+1210
BPMA 62

20' : 18493+1214
BPM 844

23' : 18489+1219
BPM 841

26' : 18493+1206
BPM 846

28' : 18494+1252
BPM 848

32' : 18481+1231
BPMA 60

34' : 18508+1301
BPM 865

37' : 18528+1234
AG 365

38' : 18522+1203
BPM 873

38' : 18517+1156
BRT1313

41' : 18476+1234
BPM 829

43' : 18497+1147
BPM 850

44' : 18529+1248
TDT1108

45' : 18522+1302
TDT1094

46' : 18472+1227
BPM 828

47' : 18496+1313
SHY 309

47' : 18493+1144
BPM 843

48' : 18491+1313
STF2399AB

49' : 18521+1148
HU 199



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 18503+1228 : COMPONENTS
 
 
  A Ab B
Ab pa=103.2°
sep=0.13"
 
B pa=52.4°
sep=1.85"
pa=49.1°
sep=1.77"
 
C pa=141.4°
sep=9.56"
pa=141.9°
sep=9.46"
pa=152.4°
sep=9.71"
 
 
18503+1228 A
 
 
Coord arcsec 2000 185017.00+122802.7 Mag 11.06 Spectral class A0 (white) PmRA 2.00
PmDE -6.0 Tycho2 1034-01179-1
Tycho2
Tycho2 1034-01179-1 Pflag RAmdeg 282.57086516 DEmdeg 12.46743626
PmRA 2.8 PmDE -7.2 E RAmdeg 44 E DEmdeg 52
E pmRA 1.8 E pmDE 1.7 EpRAm 1984.01 EpDEm 1978.71
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.5 BTmag 11.311 E BTmag 0.076 VTmag 11.057
E VTmag 0.094 Prox 510 TYC HIP
CCDM RAdeg 282.57085861 DEdeg 12.46745250 EpRA 1990 1.79
EpDE 1990 1.79 E RAdeg 45.5 E DEdeg 56.8 Posflg
Corr -0.2
CCDM
Ccdm 18503+1228 RComp Comp A Note1
Note2 Discov num DRAs -0.94 DDEs 2.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.7 Sp A0 PmNote *
PmRA 23 PmDE -15 Dm number +12 3675 Cat1 BD
Name2 +12 2002 Cat2 AGK2/3 HD 229673 M HD
ADS BDS A11738 M ADS BDS N IDS IDS 18456N1221A
HIC
 
 
18503+1228 Ab
 
 
Coord arcsec 2000 185017.01+122802.7 Mag 11.8 Calc coord yes
 
 
18503+1228 B
 
 
Coord arcsec 2000 185017.10+122803.8 Mag 13.1 Calc delta mag 1.3 Calc coord yes
CCDM
Ccdm 18503+1228 RComp Comp B Note1
Note2 Discov num J 468 DRAs DDEs
R dRAs Year 1955 Theta 241 Rho 2.0
Obs 3 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11738 M ADS BDS N IDS IDS 18456N1221B
HIC
 
 
18503+1228 C
 
 
Coord arcsec 2000 185017.41+122755.2 Mag 15 Calc delta mag 3.2 Calc coord yes