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Doubles in session


Current system
20312+0513
AG 257
MR Del


Nearby doubles
18' : 20316+0530
A 395

26' : 20295+0514
UC 4199

30' : 20315+0444
BAL2966

30' : 20311+0444
UC 4205

30' : 20327+0453
J 2314AB

31' : 20331+0525
TDT2364

37' : 20335+0527
STF2696AB

51' : 20324+0426
A 2281

54' : 20348+0514
SCJ 26

54' : 20285+0443
J 3220

58' : 20340+0433
A 2282

69' : 20358+0508
BAL2968

73' : 20309+0626
DAE 10AB

74' : 20309+0400
BAL2538

74' : 20271+0551
HJ 2963

81' : 20346+0615
UC 4218

81' : 20352+0608
HWE 98

87' : 20367+0447
CBL 528

89' : 20370+0452
SMA 118

91' : 20253+0453
KPP4195AB

92' : 20286+0351
HJ 2967

94' : 20283+0351
BAL2533

97' : 20329+0647
UC 4213

98' : 20256+0604
UC 4177

98' : 20360+0411
J 2192

99' : 20264+0620
GWP2946



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 20312+0513 : COMPONENTS
 
 
  A
B pa=74.9°
sep=1.68"
 
 
20312+0513 A
 
 
Componente originario normalizzato AB Var name MR Del Coord arcsec 2000 203113.51+051308.7 Mag 9.49
Spectral class K0 (yellow-orange) PmRA 303.00 PmDE 275.0 SAO 125889
HIP 101236 Tycho2 0518-01755-1 HD 195434 GC 28539
BD BD+04 4470
Tycho2
Tycho2 0518-01755-1 Pflag P RAmdeg 307.80627378 DEmdeg 5.21907648
PmRA 303.2 PmDE 275.3 E RAmdeg 16 E DEmdeg 21
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.84 EpDEm 1989.88
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.5 BTmag 10.410 E BTmag 0.038 VTmag 9.492
E VTmag 0.025 Prox 17 TYC T HIP 101236
CCDM A RAdeg 307.80539389 DEdeg 5.21834750 EpRA 1990 1.61
EpDE 1990 1.32 E RAdeg 16.4 E DEdeg 20.6 Posflg D
Corr -0.1
SAO
SAO 125889 DelFlag RA1950 PmRA1950 0.0219
DE1950 PmDE1950 0.276 Vmag 9.1 SpType K0
Double code Source 70 CatNum 28539 DM BD+04 4470
DMcomp BDsup HD 195434 M HD 0
GC 28539 RA1950rad 5.36132704 DE1950rad 0.08806418 PmRA2000 0.022
PmDE2000 0.274
Hipparcos
Catalog H HIP 101236 Proxy H RAhms 20 31 13.29
DEdms +05 13 06.1 Vmag 8.77 VarFlag 2 R Vmag H
RAdeg 307.805 DEdeg 5.21835 AstroRef A Plx 22.53
CCDM 20312+0513 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 69 Rho 1.802 HD 195434 BD BD+04 4470
CD CP Dm number +04 4470 VIred 0.76
SpType K0 R SpType Coord arcsec 2000 203113.29+051306.1
Hipparcos 2
HIP 101236 Sn 15 So 3 Nc 2
RArad 5.3722169245 DErad 0.0910773573 Plx 20.6 PmRA 304.7
PmDE 281.28 E RArad 2.23 E DErad 1.49 E Plx 2.47
E pmRA 3.34 E pmDE 1.96 Hpmag 8.9066 E Hpmag 0.0062
SHp 0.1 VA 1 BV 0.696 E BV 0.039
VI 0.75
CCDM
Ccdm 20312+0513 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs 10.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp K0 PmNote *
PmRA 333 PmDE 302 Dm number +04 4470 Cat1 BD
Name2 +05 2981 Cat2 AGK2/3 HD 195434 M HD
ADS BDS A13940 M ADS BDS N IDS IDS 20262N0452A
HIC 101236
 
 
20312+0513 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203113.62+051309.1 Mag 9.77 PmRA 303.00
PmDE 275.0 HIP 101236 Tycho2 0518-01755-2 Calc delta mag 0.28
Calc coord yes
Tycho2
Tycho2 0518-01755-2 Pflag P RAmdeg 307.80627378 DEmdeg 5.21907648
PmRA 303.2 PmDE 275.3 E RAmdeg 16 E DEmdeg 21
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.84 EpDEm 1989.88
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.5 BTmag 10.721 E BTmag 0.048 VTmag 9.772
E VTmag 0.032 Prox 17 TYC T HIP 101236
CCDM B RAdeg 307.80584667 DEdeg 5.21852000 EpRA 1990 1.62
EpDE 1990 1.32 E RAdeg 21.3 E DEdeg 26.9 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 101236 Proxy H RAhms 20 31 13.29
DEdms +05 13 06.1 Vmag 8.77 VarFlag 2 R Vmag H
RAdeg 307.805 DEdeg 5.21835 AstroRef A Plx 22.53
CCDM 20312+0513 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 69 Rho 1.802 HD 195434 BD BD+04 4470
CD CP Dm number +04 4470 VIred 0.76
SpType K0 R SpType Coord arcsec 2000 203113.29+051306.1
Hipparcos 2
HIP 101236 Sn 15 So 3 Nc 2
RArad 5.3722169245 DErad 0.0910773573 Plx 20.6 PmRA 304.7
PmDE 281.28 E RArad 2.23 E DErad 1.49 E Plx 2.47
E pmRA 3.34 E pmDE 1.96 Hpmag 8.9066 E Hpmag 0.0062
SHp 0.1 VA 1 BV 0.696 E BV 0.039
VI 0.75
CCDM
Ccdm 20312+0513 RComp Comp B Note1
Note2 Discov num AG 257 DRAs DDEs
R dRAs Year 1957 Theta 064 Rho 2.0
Obs 14 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13940 M ADS BDS N IDS IDS 20262N0452B
HIC 101236