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Doubles in session


Current system
17459+2153
STT 335
HD 161658


Nearby doubles
27' : 17441+2202
KPP4057AB

34' : 17481+2205
DAM 860

37' : 17464+2229
KPP4060

41' : 17433+2137
ALP 31AB

47' : 17452+2107
COU 630

48' : 17427+2138
BRT2438

48' : 17445+2236
HU 1286

52' : 17473+2241
COU 633AB

54' : 17436+2237
HU 1285

61' : 17421+2127
DRD 1

61' : 17496+2226
COU 502

62' : 17418+2130
COU 114

64' : 17420+2127
STF2197

65' : 17432+2245
COU 629

70' : 17474+2300
POU3312

72' : 17410+2214
SMA 78

73' : 17421+2103
A 1371

74' : 17416+2111
STF2196

74' : 17445+2304
KPP3321

76' : 17414+2111
STF2195

77' : 17404+2144
BRT2436

86' : 17422+2302
UC 3385

88' : 17484+2314
POU3313

90' : 17434+2032
UC 3390

94' : 17506+2046
GRV 966

96' : 17411+2302
LDS4759



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 17459+2153 : COMPONENTS
 
 
  A
B pa=142.3°
sep=24.09"
 
 
17459+2153 A
 
 
Componente originario normalizzato AB Name HD 161658 Coord arcsec 2000 174554.77+215317.4 Mag 8.31
Spectral class A0 (white) PmRA -9.00 PmDE 4.0 SAO 85387
HIP 86941 Tycho2 1564-03983-1 HD 161658 ADS 10774
BD BD+21 3208
Tycho2
Tycho2 1564-03983-1 Pflag RAmdeg 266.47822770 DEmdeg 21.88817634
PmRA -8.6 PmDE 6.4 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.21 EpDEm 1991.07
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.1 BTmag 8.465 E BTmag 0.015 VTmag 8.305
E VTmag 0.012 Prox 250 TYC T HIP 86941
CCDM A RAdeg 266.47824972 DEdeg 21.88816194 EpRA 1990 1.74
EpDE 1990 1.67 E RAdeg 5.7 E DEdeg 5.5 Posflg
Corr -0.2
SAO
SAO 85387 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.005 Vmag 7.9 SpType A0
Double code Source 35 CatNum 6121 DM BD+21 3208
DMcomp BDsup HD 161658 M HD 0
GC RA1950rad 4.64169237 DE1950rad 0.38234024 PmRA2000 -0.0003
PmDE2000 0.006
Hipparcos
Catalog H HIP 86941 Proxy RAhms 17 45 54.78
DEdms +21 53 17.4 Vmag 8.28 VarFlag R Vmag H
RAdeg 266.478 DEdeg 21.8882 AstroRef A Plx 4.22
CCDM 17459+2153 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 161658 BD BD+21 3208
CD CP Dm number +21 3208 VIred 0.11
SpType A0 R SpType Coord arcsec 2000 174554.78+215317.4
Hipparcos 2
HIP 86941 Sn 95 So 3 Nc 1
RArad 4.650922884 DErad 0.3820205266 Plx 8 PmRA -9.98
PmDE 8.23 E RArad 0.81 E DErad 0.87 E Plx 1.36
E pmRA 0.98 E pmDE 1.01 Hpmag 8.3379 E Hpmag 0.008
SHp 0.031 VA 0 BV 0.144 E BV 0.015
VI 0.16
CCDM
Ccdm 17459+2153 RComp Comp A Note1
Note2 Discov num DRAs 0.72 DDEs 16.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp A0 PmNote *
PmRA -21 PmDE -22 Dm number +21 3208 Cat1 BD
Name2 +21 1740 Cat2 AGK2/3 HD 161658 M HD
ADS BDS A10774 M ADS BDS N IDS IDS 17417N2156A
HIC 86941
 
 
17459+2153 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174555.83+215258.3 Mag 9.22 PmRA -9.00
PmDE 5.0 HIP 86942 Tycho2 1564-03984-1 ADS 10774
BD BD+21 3209 Calc delta mag 0.91 Calc coord yes
Tycho2
Tycho2 1564-03984-1 Pflag P RAmdeg 266.48311077 DEmdeg 21.88289608
PmRA -9.2 PmDE 5.3 E RAmdeg 11 E DEmdeg 10
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.58 EpDEm 1990.64
Num 7 Q RAmdeg 0.5 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 9.471 E BTmag 0.020 VTmag 9.215
E VTmag 0.018 Prox 15 TYC T HIP 86942
CCDM B RAdeg 266.48310694 DEdeg 21.88286056 EpRA 1990 1.74
EpDE 1990 1.70 E RAdeg 11.0 E DEdeg 9.9 Posflg D
Corr -0.2
Hipparcos
Catalog H HIP 86942 Proxy RAhms 17 45 55.95
DEdms +21 52 58.3 Vmag 9.24 VarFlag R Vmag H
RAdeg 266.483 DEdeg 21.8829 AstroRef B Plx 5.6
CCDM 17459+2153 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 161658 BD BD+21 3209
CD CP Dm number +21 3209 VIred 0.28
SpType A5 R SpType Coord arcsec 2000 174555.95+215258.3
Hipparcos 2
HIP 86942 Sn 95 So 3 Nc 1
RArad 4.6510076642 DErad 0.3819281594 Plx 6.99 PmRA -8.94
PmDE 9.56 E RArad 2.1 E DErad 2.29 E Plx 3.61
E pmRA 2.55 E pmDE 2.77 Hpmag 9.2794 E Hpmag 0.0146
SHp 0 VA 0 BV 0.309 E BV 0.029
VI 0.35
CCDM
Ccdm 17459+2153 RComp Comp B Note1
Note2 Discov num STT 335 DRAs 1.97 DDEs -2.2
R dRAs 10 Year 1846 Theta 140 Rho 25.0
Obs 12 Vmag 9.2 Sp PmNote *
PmRA -2 PmDE -8 Dm number +21 3209 Cat1 BD
Name2 +21 1741 Cat2 AGK2/3 HD M HD
ADS BDS A10774 M ADS BDS N IDS IDS 17417N2156B
HIC 86942