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Doubles in session


Current system
16564+6502
D 30 AC


Nearby doubles
22' : 16593+6513
STF2124

46' : 17023+6436
TOI1487

61' : 16472+6454
MLR 61

62' : 17054+6440
CVR1691

68' : 17062+6438
GIC 146

74' : 17073+6440
ALP 19

74' : 16575+6349
UC 3263

76' : 17057+6552
SKF2609

81' : 16487+6359
LDS2399

88' : 17088+6543
STA 1
Aldhibah

91' : 16552+6332
STF2116

92' : 16452+6406
TDT 68

99' : 17031+6334
CVR1689

104' : 16438+6357
LDS2397

111' : 17050+6331
GRV1131

115' : 16435+6345
LDS2396

119' : 17112+6352
ES 1908

119' : 16520+6658
LDS2401

122' : 17055+6316
STI 815

127' : 16448+6647
AG 206

134' : 16515+6712
TDT 118

136' : 17105+6322
HO 558

137' : 16425+6322
LDS2395

139' : 17115+6646
SKF2664

145' : 16580+6238
GRV1128

146' : 16366+6354
LDS2394AB



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 16564+6502 : COMPONENTS
 
 
  A B
B pa=41.5°
sep=0.51"
 
C pa=349.7°
sep=349.75"
pa=349.6°
sep=349.44"
 
 
16564+6502 A
 
 
Name 20 Dra Coord arcsec 2000 165625.32+650220.6 Mag 7.07 Spectral class F2IV (yellow-white)
PmRA -33.00 PmDE 34.0 SAO 17285 HIP 82898
Tycho2 4197-01771-1 HD 153697 HR 6319 GC 22881
BD BD+65 1159 Flamsteed 20 Draconis Flamsteed name 20 Dra
Tycho2
Tycho2 4197-01771-1 Pflag P RAmdeg 254.10555784 DEmdeg 65.03917088
PmRA -32.8 PmDE 34.4 E RAmdeg 5 E DEmdeg 5
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.54 EpDEm 1991.48
Num 6 Q RAmdeg 2.2 Q DEmdeg 0.4 Q pmRA 2.1
Q pmDE 0.4 BTmag 7.428 E BTmag 0.015 VTmag 7.071
E VTmag 0.011 Prox 11 TYC T HIP 82898
CCDM A RAdeg 254.10547139 DEdeg 65.03904611 EpRA 1990 1.67
EpDE 1990 1.61 E RAdeg 4.5 E DEdeg 4.6 Posflg D
Corr -0.1
SAO
SAO 17285 DelFlag RA1950 PmRA1950 -0.0076
DE1950 PmDE1950 0.031 Vmag 6.4 SpType F0
Double code Source 70 CatNum 22881 DM BD+65 1159
DMcomp BDsup HD 153697 M HD 0
GC 22881 RA1950rad 4.43386365 DE1950rad 1.13647066 PmRA2000 -0.0065
PmDE2000 0.032
Hipparcos
Catalog H HIP 82898 Proxy H RAhms 16 56 25.32
DEdms +65 02 20.6 Vmag 6.4 VarFlag 1 R Vmag H
RAdeg 254.105 DEdeg 65.039 AstroRef A Plx 14.9
CCDM 16564+6502 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 69 Rho 1.123 HD 153697 BD BD+65 1159
CD CP Dm number +65 1159 VIred 0.45
SpType F1V R SpType Coord arcsec 2000 165625.32+650220.6
Hipparcos 2
HIP 82898 Sn 15 So 3 Nc 2
RArad 4.4349772932 DErad 1.1351454635 Plx 14.3 PmRA -35.23
PmDE 33.26 E RArad 0.49 E DErad 0.6 E Plx 0.55
E pmRA 0.41 E pmDE 0.69 Hpmag 6.4894 E Hpmag 0.0012
SHp 0.011 VA 2 BV 0.383 E BV 0.007
VI 0.45
CCDM
Ccdm 16564+6502 RComp Comp A Note1
Note2 Discov num DRAs 1.31 DDEs 21.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp F0 PmNote *
PmRA -49 PmDE 40 Dm number +65 1159 Cat1 BD
Name2 +65 794 Cat2 AGK2/3 HD 153697 M HD
ADS BDS A10279 M ADS BDS N IDS IDS 16559N6511A
HIC 82898
 
 
16564+6502 B
 
 
Coord arcsec 2000 165625.37+650221.0 Mag 7.3 PmRA -33.00 PmDE 34.0
Tycho2 4197-01771-2 Calc delta mag 0.23 Calc coord yes
Tycho2
Tycho2 4197-01771-2 Pflag P RAmdeg 254.10555784 DEmdeg 65.03917088
PmRA -32.8 PmDE 34.4 E RAmdeg 5 E DEmdeg 5
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.54 EpDEm 1991.48
Num 6 Q RAmdeg 2.2 Q DEmdeg 0.4 Q pmRA 2.1
Q pmDE 0.4 BTmag 7.709 E BTmag 0.016 VTmag 7.299
E VTmag 0.011 Prox 11 TYC T HIP 82898
CCDM B RAdeg 254.10615917 DEdeg 65.03916139 EpRA 1990 1.70
EpDE 1990 1.60 E RAdeg 4.8 E DEdeg 5.1 Posflg D
Corr -0.1
CCDM
Ccdm 16564+6502 RComp Comp B Note1 *
Note2 Discov num STF2118 DRAs DDEs
R dRAs Year 1832 Theta Rho
Obs 99 Vmag 7.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10279 M ADS BDS N IDS IDS 16559N6511B
HIC 82898
 
 
16564+6502 C
 
 
Coord arcsec 2000 165615.44+650804.7 Mag 4.94 Spectral class 3V PmRA 238.00
PmDE 51.0 Calc delta mag 2.13 Calc coord yes