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Doubles in session


Current system
20378+2943
A 742 BC


Nearby doubles
7' : 20378+2951
TDT2435

10' : 20385+2945
COU1172

10' : 20381+2953
A 744

12' : 20371+2953
MLB 663

13' : 20368+2951
BTN 1

15' : 20381+2958
A 743

15' : 20374+2958
HJ 1547

18' : 20368+2955
TDT2421

26' : 20361+2955
TDT2407

33' : 20403+2947
STF2714

34' : 20362+3010
TDT2408

37' : 20387+2910
L 69

37' : 20406+2948
HO 137AB

37' : 20385+2909
HO 458

43' : 20402+2916
FMR 160

44' : 20393+2906
HO 136

44' : 20407+3007
TDT2467

47' : 20411+2925
ES 508AB

48' : 20412+3001
COU1173

49' : 20401+2906
TDT2458

49' : 20346+3009
TDT2387

50' : 20344+3004
TDT2384

51' : 20340+2942
TDS1084

51' : 20413+2922
ARY 29

52' : 20416+3000
COU1174

52' : 20396+3030
STF2711



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 20378+2943 : COMPONENTS
 
 
  A B
B pa=343.1°
sep=57.47"
 
C pa=343.7°
sep=56.49"
pa=135.7°
sep=1.11"
 
 
20378+2943 A
 
 
Name HD 196655 Coord arcsec 2000 203750.18+294317.8 Mag 8.25 Spectral class A2 (white)
PmRA 1.00 PmDE -9.0 HIP 101803 Tycho2 2169-00544-1
HD 196655 BD BD+29 4112
Tycho2
Tycho2 2169-00544-1 Pflag RAmdeg 309.45909530 DEmdeg 29.72163674
PmRA 2.2 PmDE -7.8 E RAmdeg 5 E DEmdeg 5
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.33 EpDEm 1991.49
Num 8 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.3 BTmag 8.363 E BTmag 0.015 VTmag 8.253
E VTmag 0.011 Prox 564 TYC T HIP 101803
CCDM RAdeg 309.45908861 DEdeg 29.72165472 EpRA 1990 1.56
EpDE 1990 1.73 E RAdeg 4.9 E DEdeg 4.5 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 101803 Proxy RAhms 20 37 50.18
DEdms +29 43 18.0 Vmag 8.25 VarFlag R Vmag H
RAdeg 309.459 DEdeg 29.7217 AstroRef Plx 4.01
CCDM 20378+2944 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196655 BD BD+29 4112
CD CP Dm number +29 4112 VIred 0.09
SpType A2 R SpType Coord arcsec 2000 203750.18+294318.0
Hipparcos 2
HIP 101803 Sn 5 So 0 Nc 1
RArad 5.4010800171 DErad 0.5187407287 Plx 4.01 PmRA 3.47
PmDE -8.85 E RArad 0.38 E DErad 0.52 E Plx 0.79
E pmRA 0.45 E pmDE 0.57 Hpmag 8.2782 E Hpmag 0.0013
SHp 0.017 VA 0 BV 0.139 E BV 0.14
VI 0.09
 
 
20378+2943 B
 
 
Coord arcsec 2000 203748.90+294412.8 Mag 10.36 PmRA 5.00 PmDE -16.0
HIP 101798 Tycho2 2169-00406-1 Calc delta mag 2.11
Tycho2
Tycho2 2169-00406-1 Pflag P RAmdeg 309.45383350 DEmdeg 29.73682287
PmRA 4.8 PmDE -15.7 E RAmdeg 21 E DEmdeg 21
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.97 EpDEm 1990.98
Num 3 Q RAmdeg 1.8 Q DEmdeg 0.4 Q pmRA 1.8
Q pmDE 0.4 BTmag 10.725 E BTmag 0.035 VTmag 10.357
E VTmag 0.033 Prox 12 TYC T HIP 101798
CCDM B RAdeg 309.45376222 DEdeg 29.73693056 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 20.8 E DEdeg 21.2 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 101798 Proxy H RAhms 20 37 48.90
DEdms +29 44 12.8 Vmag 9.94 VarFlag R Vmag H
RAdeg 309.454 DEdeg 29.7369 AstroRef B Plx 7.04
CCDM 20378+2944 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP BC
Theta 130 Rho 1.19 HD BD
CD CP Dm number VIred 0.72
SpType R SpType Coord arcsec 2000 203748.90+294412.8
Hipparcos 2
HIP 101798 Sn 15 So 3 Nc 2
RArad 5.4009864859 DErad 0.5190068469 Plx 8.09 PmRA 3.85
PmDE -20.07 E RArad 1.12 E DErad 1.46 E Plx 2.24
E pmRA 1.34 E pmDE 1.49 Hpmag 10.0729 E Hpmag 0.0032
SHp 0.036 VA 0 BV 0 E BV 0
VI 0
 
 
20378+2943 C
 
 
Coord arcsec 2000 203748.96+294412.0 Mag 10.9 PmRA 5.00 PmDE -16.0
Tycho2 2169-00406-2 Calc delta mag 2.65 Calc coord yes
Tycho2
Tycho2 2169-00406-2 Pflag P RAmdeg 309.45383350 DEmdeg 29.73682287
PmRA 4.8 PmDE -15.7 E RAmdeg 21 E DEmdeg 21
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.97 EpDEm 1990.98
Num 3 Q RAmdeg 1.8 Q DEmdeg 0.4 Q pmRA 1.8
Q pmDE 0.4 BTmag 11.393 E BTmag 0.058 VTmag 10.895
E VTmag 0.054 Prox 12 TYC HIP 101798
CCDM C RAdeg 309.45397750 DEdeg 29.73666833 EpRA 1990 1.69
EpDE 1990 1.70 E RAdeg 34.3 E DEdeg 35.3 Posflg D
Corr 0.0