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Doubles in session


Current system
20137+4050
DOO 13
HD 228446


Nearby doubles
5' : 20138+4055
TDT2106

8' : 20144+4048
TDT2113

11' : 20136+4040
TDT2104

13' : 20133+4038
GRV 324

20' : 20148+4035
TDT2118

24' : 20144+4112
TDT2112

26' : 20143+4115
COU2639

29' : 20155+4030
A 390

31' : 20111+4048
TDT2057

32' : 20151+4118
A 387AB

33' : 20110+4041
KPP1897

36' : 20158+4024
TDS1055

47' : 20169+4022
BU 661AB

47' : 20097+4046
BRT2254

50' : 20170+4017
CNT 5

50' : 20177+4030
HDS2897

51' : 20181+4044
STF2666AB

52' : 20163+4007
MLB1013

52' : 20171+4127
ARN 97

53' : 20176+4020
BRT2259

54' : 20090+4045
HJ 1487AB

56' : 20184+4033
ARN 49

57' : 20111+4131
HJ 1491

59' : 20181+4122
ES 1674

60' : 20097+4130
HDS2871

61' : 20107+4001
TDS1048



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 20137+4050 : COMPONENTS
 
 
  A
B pa=254.6°
sep=2.32"
 
 
20137+4050 A
 
 
Componente originario normalizzato AB Name HD 228446 Coord arcsec 2000 201344.60+405019.2 Mag 9.94
Spectral class B2I: (blue-white) PmRA -2.00 PmDE -6.0 HIP 99688
Tycho2 3155-01471-1 HD 228446 ADS 13556 BD BD+40 4068
Tycho2
Tycho2 3155-01471-1 Pflag P RAmdeg 303.43583248 DEmdeg 40.83867861
PmRA 2.3 PmDE -6.9 E RAmdeg 15 E DEmdeg 15
E pmRA 1.5 E pmDE 1.3 EpRAm 1990.53 EpDEm 1990.36
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.224 E BTmag 0.025 VTmag 9.937
E VTmag 0.025 Prox 30 TYC T HIP 99688
CCDM A RAdeg 303.43621056 DEdeg 40.83875528 EpRA 1990 1.60
EpDE 1990 1.66 E RAdeg 15.4 E DEdeg 14.5 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 99688 Proxy H RAhms 20 13 44.69
DEdms +40 50 19.5 Vmag 9.36 VarFlag R Vmag H
RAdeg 303.436 DEdeg 40.8388 AstroRef A Plx 0.98
CCDM 20137+4050 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 258 Rho 2.923 HD 228446 BD BD+40 4068
CD CP Dm number +40 4068 VIred 0.35
SpType B3 R SpType Coord arcsec 2000 201344.69+405019.5
Hipparcos 2
HIP 99688 Sn 15 So 3 Nc 2
RArad 5.2959609273 DErad 0.7127707245 Plx -0.24 PmRA -1.82
PmDE -8.74 E RArad 1.1 E DErad 1.11 E Plx 1.38
E pmRA 1.27 E pmDE 1.33 Hpmag 9.4364 E Hpmag 0.0019
SHp 0.02 VA 0 BV 0.281 E BV 0.027
VI 0.32
CCDM
Ccdm 20137+4050 RComp Comp A Note1
Note2 Discov num DRAs 2.61 DDEs 19.3
R dRAs 21 Year Theta Rho
Obs 2 Vmag 9.8 Sp B3 PmNote
PmRA PmDE Dm number +40 4068 Cat1 BD
Name2 Cat2 HD 228446 M HD
ADS BDS A13556 M ADS BDS N IDS IDS 20102N4032A
HIC 99688
 
 
20137+4050 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201344.40+405018.6 Mag 10.39 PmRA -3.00
PmDE -6.0 Tycho2 3155-01471-2 Calc delta mag 0.45 Calc coord yes
Tycho2
Tycho2 3155-01471-2 Pflag P RAmdeg 303.43583248 DEmdeg 40.83867861
PmRA 2.3 PmDE -6.9 E RAmdeg 15 E DEmdeg 15
E pmRA 1.5 E pmDE 1.3 EpRAm 1990.53 EpDEm 1990.36
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.567 E BTmag 0.032 VTmag 10.390
E VTmag 0.036 Prox 30 TYC T HIP 99688
CCDM B RAdeg 303.43514917 DEdeg 40.83858806 EpRA 1990 1.62
EpDE 1990 1.66 E RAdeg 21.3 E DEdeg 19.9 Posflg D
Corr 0.0
CCDM
Ccdm 20137+4050 RComp Comp B Note1
Note2 Discov num DOO 13 DRAs DDEs
R dRAs Year 1900 Theta 258 Rho 2.8
Obs 12 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13556 M ADS BDS N IDS IDS 20102N4032B
HIC 99688