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Doubles in session


Current system
20215+3035
ARY 4 AB
HD 193857


Nearby doubles
3' : 20213+3035
WJD 1

20' : 20219+3017
TDT2209

21' : 20231+3036
ES 362AB

30' : 20211+3104
TDT2200

31' : 20234+3053
ARG 91

31' : 20222+3105
TDT2211

34' : 20225+3004
TDT2216

37' : 20223+3110
BRT1954

39' : 20217+3112
BRT 279

39' : 20234+3007
J 1772

41' : 20222+3115
A 1208

43' : 20248+3033
ES 363

44' : 20222+3118
RAO 430

44' : 20188+3102
HDS2902

46' : 20250+3034
HDS2921

47' : 20196+2956
A 1207

52' : 20223+2946
TDT2213

52' : 20242+2958
FMR 87AB

56' : 20257+3022
COU1324

59' : 20245+3120
TDT2244

68' : 20227+2930
TDT2218

69' : 20179+2945
TDT2149

70' : 20240+2935
TDT2237

75' : 20176+3130
SEI1066

76' : 20176+3132
TDS1057

77' : 20265+3117
TDT2272



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 20215+3035 : COMPONENTS
 
 
  A B Bb
B pa=286.6°
sep=134.86"
 
Bb pa=286.5°
sep=134.83"
pa=189.5°
sep=0.23"
 
C pa=290.6°
sep=138.71"
pa=356.6°
sep=10.26"
pa=356.8°
sep=10.48"
 
 
20215+3035 A
 
 
Name HD 193857 Coord arcsec 2000 202129.56+303525.0 Mag 6.78 Spectral class Am (white)
PmRA 12.00 PmDE 22.0 SAO 69888 HIP 100384
Tycho2 2672-02202-1 HD 193857 GC 28318 BD BD+30 3998
Tycho2
Tycho2 2672-02202-1 Pflag RAmdeg 305.37317324 DEmdeg 30.59027241
PmRA 12.1 PmDE 21.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.41 EpDEm 1991.51
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.6 BTmag 7.071 E BTmag 0.015 VTmag 6.783
E VTmag 0.010 Prox 999 TYC T HIP 100384
CCDM RAdeg 305.37314028 DEdeg 30.59022250 EpRA 1990 1.61
EpDE 1990 1.72 E RAdeg 3.7 E DEdeg 3.6 Posflg
Corr 0.1
SAO
SAO 69888 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0.043 Vmag 6.8 SpType A2
Double code Source 70 CatNum 28318 DM BD+30 3998
DMcomp BDsup HD 193857 M HD 0
GC 28318 RA1950rad 5.32092468 DE1950rad 0.53110516 PmRA2000 0.0016
PmDE2000 0.041
Hipparcos
Catalog H HIP 100384 Proxy RAhms 20 21 29.55
DEdms +30 35 24.8 Vmag 6.77 VarFlag R Vmag H
RAdeg 305.373 DEdeg 30.5902 AstroRef Plx 8.48
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 193857 BD BD+30 3998
CD CP Dm number +30 3998 VIred 0.22
SpType Am R SpType Coord arcsec 2000 202129.55+303524.8
Hipparcos 2
HIP 100384 Sn 5 So 0 Nc 1
RArad 5.3297667327 DErad 0.5339000265 Plx 8.75 PmRA 12.19
PmDE 22.02 E RArad 0.26 E DErad 0.31 E Plx 0.46
E pmRA 0.32 E pmDE 0.33 Hpmag 6.8373 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.261 E BV 0.011
VI 0.22
 
 
20215+3035 B
 
 
Coord arcsec 2000 202119.55+303603.5 Coord calc 202119.55+303603.5 Mag 8.54 Spectral class A3 (white)
PmRA 8.00 PmDE 10.0 SAO 69879 HIP 100369
Tycho2 2672-01711-1 HD 334154 BD BD+30 3994 Calc delta mag 1.76
Tycho2
Tycho2 2672-01711-1 Pflag RAmdeg 305.33148597 DEmdeg 30.60101693
PmRA 9.8 PmDE 11.8 E RAmdeg 7 E DEmdeg 6
E pmRA 1.4 E pmDE 1.2 EpRAm 1991.01 EpDEm 1991.33
Num 9 Q RAmdeg 1.4 Q DEmdeg 1.7 Q pmRA 1.4
Q pmDE 1.7 BTmag 8.815 E BTmag 0.016 VTmag 8.536
E VTmag 0.012 Prox 865 TYC T HIP 100369
CCDM AB RAdeg 305.33145917 DEdeg 30.60098972 EpRA 1990 1.55
EpDE 1990 1.80 E RAdeg 6.8 E DEdeg 5.5 Posflg P
Corr 0.0
SAO
SAO 69879 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.012 Vmag 8.7 SpType A3
Double code Source 34 CatNum 11182 DM BD+30 3994
DMcomp BDsup HD 334154 M HD 0
GC RA1950rad 5.32019485 DE1950rad 0.531294 PmRA2000 -0.0004
PmDE2000 0.009
Hipparcos
Catalog H HIP 100369 Proxy H RAhms 20 21 19.55
DEdms +30 36 03.5 Vmag 8.52 VarFlag R Vmag H
RAdeg 305.331 DEdeg 30.601 AstroRef * Plx 3.47
CCDM 20213+3036 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 191 Rho 0.228 HD 334154 BD BD+30 3994
CD CP Dm number +30 3994 VIred 0.34
SpType A3 R SpType Coord arcsec 2000 202119.55+303603.5
Hipparcos 2
HIP 100369 Sn 55 So 3 Nc 2
RArad 5.3290392455 DErad 0.5340879174 Plx 4.41 PmRA 8.23
PmDE 10.39 E RArad 0.61 E DErad 0.81 E Plx 1.18
E pmRA 0.72 E pmDE 0.94 Hpmag 8.5926 E Hpmag 0.0016
SHp 0.02 VA 0 BV 0.259 E BV 0.014
VI 0.29
 
 
20215+3035 Bb
 
 
Coord arcsec 2000 202119.55+303603.3 Mag 9.6 Calc delta mag 2.82 Calc coord yes
 
 
20215+3035 C
 
 
Coord arcsec 2000 202119.50+303613.7 Mag 13.5 PmRA -4.00 PmDE 2.0
Calc delta mag 6.72 Calc coord yes