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Doubles in session


Current system
20417-7521
DUN 232
Mu2 Oct


Nearby doubles
23' : 20365-7532
TDT2415

36' : 20352-7550
LDS 713

40' : 20522-7519
HJ 5214

54' : 20551-7538
WIS 344

55' : 20280-7506
TDT2301

60' : 20563-7500
UC 4337

75' : 21014-7525
HJ 5230

81' : 20525-7412
TDT2596

90' : 20366-7354
TDT2418

92' : 20361-7651
KPP1878

94' : 20381-7654
HJ 5199

105' : 20328-7701
JSP 814

107' : 20318-7343
TDT2340

117' : 20319-7712
HJ 5186

126' : 20533-7720
LDS 723

128' : 21007-7338
HEI 590

142' : 20442-7301
HEI 280

145' : 20300-7739
HDS2931

148' : 20390-7254
TDT2452

152' : 20541-7747
TDT2617

155' : 20536-7750
HDS2977AB

159' : 20442-7759
HDS2951

160' : 20442-7800
UC 4275

160' : 20375-7800
TDT2432

162' : 20548-7248
TOI2193

174' : 20308-7811
UC 4203



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 20417-7521 : COMPONENTS
 
 
  A
B pa=5.0°
sep=15.76"
 
 
20417-7521 A
 
 
Componente originario normalizzato AB Name Mu2 Oct Coord arcsec 2000 204144.10-752102.9 Mag 6.51
Spectral class G5III (yellow) PmRA 156.00 PmDE -162.0 SAO 257836
HIP 102125 Tycho2 9461-01987-1 HD 196067 HR 7864
GC 28727 CD CD-75 1173 CP CP-75 1644 Bayer Mu 2
Bayer name Mu2
Tycho2
Tycho2 9461-01987-1 Pflag RAmdeg 310.43375883 DEmdeg -75.35080520
PmRA 155.7 PmDE -161.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.51 EpDEm 1991.47
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 7.193 E BTmag 0.015 VTmag 6.510
E VTmag 0.010 Prox 168 TYC T HIP 102125
CCDM A RAdeg 310.43235278 DEdeg -75.35043056 EpRA 1990 1.78
EpDE 1990 1.66 E RAdeg 3.6 E DEdeg 3.7 Posflg
Corr 0.2
SAO
SAO 257836 DelFlag RA1950 PmRA1950 0.0397
DE1950 PmDE1950 -0.15 Vmag 7.1 SpType G5
Double code Source 70 CatNum 28727 DM CP-75 1644
DMcomp A BDsup HD 196067 M HD 0
GC 28727 RA1950rad 5.39235145 DE1950rad -1.3181826 PmRA2000 0.0371
PmDE2000 -0.15
Hipparcos
Catalog H HIP 102125 Proxy RAhms 20 41 43.74
DEdms -75 21 01.5 Vmag 6.51 VarFlag R Vmag G
RAdeg 310.432 DEdeg -75.3504 AstroRef A Plx 22.95
CCDM 20417-7521 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 196067 BD
CD CD-75 1173 CP CP-75 1644 Dm number -75 1173 VIred 0.62
SpType G1V R SpType Coord arcsec 2000 204143.74-752101.5
Hipparcos 2
HIP 102125 Sn 95 So 3 Nc 1
RArad 5.4180650919 DErad -1.3151127706 Plx 22.59 PmRA 149.53
PmDE -158.45 E RArad 1.81 E DErad 1.99 E Plx 2.62
E pmRA 2.28 E pmDE 2.47 Hpmag 6.5957 E Hpmag 0.0238
SHp 0.124 VA 0 BV 0.62 E BV 0.015
VI 0.62
CCDM
Ccdm 20417-7521 RComp Comp A Note1
Note2 Discov num DRAs 1.79 DDEs -1.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.1 Sp G5 PmNote *
PmRA 150 PmDE -150 Dm number -75 1644 Cat1 CPD
Name2 257836 Cat2 SAO HD 196067 M HD
ADS BDS M ADS BDS N IDS IDS 20298S7542A
HIC 102125
 
 
20417-7521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204144.46-752047.2 Mag 7.07 PmRA 164.00
PmDE -171.0 SAO 257837 HIP 102128 Tycho2 9461-01986-1
HD 196068 GC 28728 CD CD-75 1174 Calc delta mag 0.56
Calc coord yes
Tycho2
Tycho2 9461-01986-1 Pflag RAmdeg 310.43967010 DEmdeg -75.34639648
PmRA 164.8 PmDE -172.0 E RAmdeg 4 E DEmdeg 4
E pmRA 3.6 E pmDE 3.4 EpRAm 1991.76 EpDEm 1991.65
Num 3 Q RAmdeg 1.8 Q DEmdeg 0.8 Q pmRA 1.8
Q pmDE 0.6 BTmag 7.790 E BTmag 0.015 VTmag 7.070
E VTmag 0.010 Prox 168 TYC T HIP 102128
CCDM B RAdeg 310.43818139 DEdeg -75.34599861 EpRA 1990 1.77
EpDE 1990 1.67 E RAdeg 4.0 E DEdeg 4.1 Posflg
Corr 0.2
SAO
SAO 257837 DelFlag RA1950 PmRA1950 0.0455
DE1950 PmDE1950 -0.164 Vmag 7.6 SpType G5
Double code Source 70 CatNum 28728 DM CP-75 1644
DMcomp B BDsup HD 196068 M HD 0
GC 28728 RA1950rad 5.392468 DE1950rad -1.31810328 PmRA2000 0.0429
PmDE2000 -0.164
Hipparcos
Catalog H HIP 102128 Proxy RAhms 20 41 45.14
DEdms -75 20 45.5 Vmag 7.18 VarFlag R Vmag G
RAdeg 310.438 DEdeg -75.346 AstroRef B Plx 25.35
CCDM 20417-7521 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD 196068 BD
CD CD-75 1174 CP Dm number -75 1174 VIred 0.7
SpType G5V R SpType Coord arcsec 2000 204145.14-752045.5
Hipparcos 2
HIP 102128 Sn 95 So 3 Nc 1
RArad 5.4181665166 DErad -1.3150354935 Plx 20.6 PmRA 145.93
PmDE -158.01 E RArad 4.05 E DErad 4.43 E Plx 6.21
E pmRA 5.52 E pmDE 5.64 Hpmag 7.3001 E Hpmag 0.0388
SHp 0 VA 0 BV 0.64 E BV 0.015
VI 0.7
CCDM
Ccdm 20417-7521 RComp Comp B Note1
Note2 Discov num DUN 232 DRAs 3.20 DDEs 13.9
R dRAs 91 Year 1826 Theta 017 Rho 17.4
Obs 13 Vmag 7.6 Sp G5 PmNote *
PmRA 158 PmDE -164 Dm number Cat1
Name2 257837 Cat2 SAO HD 196068 M HD
ADS BDS M ADS BDS N IDS IDS 20298S7542B
HIC 102128