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Doubles in session


Current system
20396+4035
STT 410 AB,C


Nearby doubles
16' : 20387+4024
ES 1979

19' : 20392+4017
ES 1980

21' : 20382+4022
TDT2439

27' : 20405+4010
SEI1214AB

27' : 20413+4051
COU2419

29' : 20379+4014
SEI1199

31' : 20422+4041
MLB 23

33' : 20395+4002
BRT2269

34' : 20379+4005
ES 1978

35' : 20377+4029
HJ 610

35' : 20420+4015
A 1433

36' : 20367+4021
NML 2

36' : 20390+4109
TDT2451

38' : 20429+4036
MLB 24

42' : 20426+4013
TDT2488

42' : 20402+3953
MLB 885

44' : 20432+4026
COU2421

45' : 20361+4056
CAN 23AB

47' : 20357+4053
BRT2266

48' : 20419+3956
SEI1221

48' : 20362+4008
BRT2267

48' : 20436+4024
DAM1256

49' : 20374+3952
TDT2430

50' : 20419+3953
SEI1222

51' : 20416+3950
COU2290

52' : 20440+4030
SLN 85



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 20396+4035 : COMPONENTS
 
 
  A B C
B pa=2.1°
sep=0.89"
 
C pa=63.9°
sep=54.33"
pa=64.7°
sep=53.92"
 
D pa=333.7°
sep=99.68"
pa=333.4°
sep=98.90"
pa=305.1°
sep=113.72"
 
 
20396+4035 A
 
 
Name HD 197018 Coord arcsec 2000 203933.31+403446.8 Mag 6.73 Spectral class B8IIIpMn (blue-white)
PmRA 0.00 PmDE -4.0 SAO 49899 HIP 101949
Tycho2 3157-01482-1 HD 197018 HR 7911 GC 28796
BD BD+40 4266
Tycho2
Tycho2 3157-01482-1 Pflag P RAmdeg 309.88878019 DEmdeg 40.57952846
PmRA -0.3 PmDE -4.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.48 EpDEm 1991.60
Num 5 Q RAmdeg 0.5 Q DEmdeg 2.5 Q pmRA 0.5
Q pmDE 2.6 BTmag 6.596 E BTmag 0.014 VTmag 6.727
E VTmag 0.010 Prox 8 TYC T HIP 101949
CCDM A RAdeg 309.88876639 DEdeg 40.57943222 EpRA 1990 1.57
EpDE 1990 1.70 E RAdeg 3.6 E DEdeg 3.5 Posflg D
Corr 0.1
SAO
SAO 49899 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.002 Vmag 5.9 SpType B8
Double code Source 70 CatNum 28796 DM BD+40 4266
DMcomp BDsup HD 197018 M HD 0
GC 28796 RA1950rad 5.40058741 DE1950rad 0.705144 PmRA2000 0.0006
PmDE2000 -0.001
Hipparcos
Catalog H HIP 101949 Proxy H RAhms 20 39 33.31
DEdms +40 34 46.8 Vmag 6.07 VarFlag 1 R Vmag H
RAdeg 309.889 DEdeg 40.5797 AstroRef B Plx 3.63
CCDM 20396+4035 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 186 Rho 0.849 HD 197018 BD BD+40 4266
CD CP Dm number +40 4266 VIred -0.14
SpType B6IIIp Mn R SpType Coord arcsec 2000 203933.31+403446.8
Hipparcos 2
HIP 101949 Sn 15 So 3 Nc 2
RArad 5.4085798202 DErad 0.7082486072 Plx 3.53 PmRA 6.28
PmDE 1.86 E RArad 0.36 E DErad 0.54 E Plx 0.53
E pmRA 0.38 E pmDE 0.62 Hpmag 6.0306 E Hpmag 0.0013
SHp 0.009 VA 1 BV -0.134 E BV 0.007
VI -0.13
CCDM
Ccdm 20396+4035 RComp Comp A Note1
Note2 Discov num DRAs -2.71 DDEs -12.9
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.5 Sp B8 PmNote *
PmRA -1 PmDE 16 Dm number +40 4266 Cat1 BD
Name2 +40 2087 Cat2 AGK2/3 HD 197018 M HD
ADS BDS A14126 M ADS BDS N IDS IDS 20359N4014A
HIC 101949
 
 
20396+4035 B
 
 
Coord arcsec 2000 203933.31+403447.7 Mag 6.83 PmRA 0.00 PmDE -4.0
Tycho2 3157-01482-2 Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 3157-01482-2 Pflag P RAmdeg 309.88878019 DEmdeg 40.57952846
PmRA -0.3 PmDE -4.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.48 EpDEm 1991.60
Num 5 Q RAmdeg 0.5 Q DEmdeg 2.5 Q pmRA 0.5
Q pmDE 2.6 BTmag 6.687 E BTmag 0.014 VTmag 6.830
E VTmag 0.010 Prox 8 TYC T HIP 101949
CCDM B RAdeg 309.88879917 DEdeg 40.57966333 EpRA 1990 1.56
EpDE 1990 1.70 E RAdeg 3.7 E DEdeg 3.6 Posflg D
Corr 0.1
CCDM
Ccdm 20396+4035 RComp Comp B Note1
Note2 Discov num STT 410 DRAs DDEs
R dRAs Year 1959 Theta 010 Rho 0.8
Obs 99 Vmag 6.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14126 M ADS BDS N IDS IDS 20359N4014B
HIC 101949
 
 
20396+4035 C
 
 
Coord arcsec 2000 203937.59+403510.7 Mag 8.72 PmRA 5.00 PmDE 0.0
Tycho2 3157-00875-1 Calc delta mag 1.99 Calc coord yes
Tycho2
Tycho2 3157-00875-1 Pflag RAmdeg 309.91232230 DEmdeg 40.58639236
PmRA 5.8 PmDE 0.4 E RAmdeg 7 E DEmdeg 6
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.68 EpDEm 1991.25
Num 9 Q RAmdeg 1.4 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.5 BTmag 8.758 E BTmag 0.017 VTmag 8.720
E VTmag 0.013 Prox 687 TYC T HIP
CCDM RAdeg 309.91230444 DEdeg 40.58639139 EpRA 1990 1.55
EpDE 1990 1.76 E RAdeg 6.9 E DEdeg 5.8 Posflg
Corr 0.3
CCDM
Ccdm 20396+4035 RComp Comp C Note1
Note2 Discov num STT 410 DRAs 2.97 DDEs 10.7
R dRAs 10 Year 1851 Theta 070 Rho 69.0
Obs 10 Vmag 8.6 Sp PmNote *
PmRA 13 PmDE -1 Dm number +40 4267 Cat1 BD
Name2 +40 2088 Cat2 AGK2/3 HD M HD
ADS BDS A14126 M ADS BDS N IDS IDS 20359N4014C
HIC
 
 
20396+4035 D
 
 
Coord arcsec 2000 203929.43+403616.1 Mag 10.02 PmRA -7.00 PmDE 26.0
Calc delta mag 3.29 Calc coord yes
CCDM
Ccdm 20396+4035 RComp Comp D Note1
Note2 Discov num STT 410 DRAs -7.91 DDEs 75.7
R dRAs 10 Year 1923 Theta 327 Rho 104.6
Obs 1 Vmag Sp PmNote *
PmRA -13 PmDE 40 Dm number Cat1
Name2 +40 2086 Cat2 AGK2/3 HD M HD
ADS BDS A14126 M ADS BDS N IDS IDS 20359N4014D
HIC