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Doubles in session


Current system
17578+0253
HDS 2532
HD 163775


Nearby doubles
14' : 17575+0306
BAL2461

21' : 17590+0259
BAL2462

24' : 17563+0259
A 2189

25' : 17592+0304
BAL2464

37' : 17579+0328
J 1333

37' : 17591+0323
BAL2463

41' : 17555+0316
GWP2745

42' : 17560+0320
J 1332

43' : 17571+0215
J 3299

44' : 18006+0256
BU 1124AB

54' : 17590+0202
STF2252AB

58' : 17540+0303
OSO 87AB

58' : 17569+0156
J 2118

58' : 17556+0204
HDS2527

60' : 18012+0324
BAL2465

63' : 17543+0328
A 2188

64' : 18015+0324
BAL2467

65' : 17536+0308
BAL2459

65' : 17540+0324
BAL2460

67' : 18022+0302
A 2190

69' : 18015+0331
BU 1202AB

74' : 18017+0335
SLE 86

77' : 18014+0346
BAL2466

79' : 18026+0325
HDS2539

80' : 17559+0139
BAL1493

87' : 17530+0204
BAL1946



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 17578+0253 : COMPONENTS
 
 
  A
B pa=191.7°
sep=0.22"
 
 
17578+0253 A
 
 
Componente originario normalizzato AB Name HD 163775 Coord arcsec 2000 175745.65+025248.2 Mag 8.36
Spectral class A2 (white) PmRA -5.00 PmDE -11.0 SAO 122962
HIP 87932 Tycho2 0421-00662-1 HD 163775 BD BD+02 3435
Tycho2
Tycho2 0421-00662-1 Pflag RAmdeg 269.44018574 DEmdeg 2.88002889
PmRA -4.2 PmDE -9.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.35 EpDEm 1991.02
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.3 BTmag 8.492 E BTmag 0.016 VTmag 8.235
E VTmag 0.013 Prox 999 TYC T HIP 87932
CCDM AB RAdeg 269.44019528 DEdeg 2.88005194 EpRA 1990 1.65
EpDE 1990 1.58 E RAdeg 6.2 E DEdeg 7.0 Posflg P
Corr 0.0
SAO
SAO 122962 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.027 Vmag 8.2 SpType A2
Double code Source 30 CatNum 6004 DM BD+02 3435
DMcomp BDsup HD 163775 M HD 0
GC RA1950rad 4.69168076 DE1950rad 0.05034022 PmRA2000 -0.0007
PmDE2000 -0.027
Hipparcos
Catalog H HIP 87932 Proxy H RAhms 17 57 45.65
DEdms +02 52 48.2 Vmag 8.2 VarFlag R Vmag H
RAdeg 269.44 DEdeg 2.88005 AstroRef * Plx 1.31
CCDM 17578+0253 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 186 Rho 0.229 HD 163775 BD BD+02 3435
CD CP Dm number +02 3435 VIred 0.21
SpType A2 R SpType Coord arcsec 2000 175745.65+025248.2
Hipparcos 2
HIP 87932 Sn 55 So 3 Nc 2
RArad 4.7026186366 DErad 0.0502664322 Plx 1.12 PmRA -6.07
PmDE -10.82 E RArad 0.98 E DErad 0.59 E Plx 1.1
E pmRA 1.11 E pmDE 0.61 Hpmag 8.2698 E Hpmag 0.0017
SHp 0.012 VA 0 BV 0.246 E BV 0.017
VI 0.28
CCDM
Ccdm 17578+0253 RComp Comp A Note1
Note2 Discov num DRAs -2.36 DDEs -11.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.4 Sp A2 PmNote *
PmRA -5 PmDE -11 Dm number +02 3435 Cat1 BD
Name2 +02 2172 Cat2 AGK2/3 HD 163775 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87932
 
 
17578+0253 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175745.65+025248.0 Mag 10.97 Calc delta mag 2.61
Calc coord yes
CCDM
Ccdm 17578+0253 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.36 DDEs -12.1
R dRAs 82 Year 1991 Theta 186 Rho 0.2
Obs 1 Vmag 11.0 Sp PmNote *
PmRA -5 PmDE -11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87932