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Doubles in session


Current system
17520+1520
STT 338 AB
HD 162734


Nearby doubles
9' : 17516+1513
KPP3324

15' : 17525+1530
L 17AB

15' : 17530+1521
OSO 86AB

18' : 17514+1504
UC 3429

19' : 17506+1517
FOX 22

23' : 17520+1542
HDS2520

24' : 17527+1459
BPM 705

27' : 17509+1458
J 2117

31' : 17520+1449
TDT 542

37' : 17495+1513
KPP 401

41' : 17492+1517
OL 197

57' : 17538+1610
BPM 707

58' : 17518+1422
UC 3431

61' : 17483+1547
J 753AB

66' : 17478+1546
TOB 267

67' : 17479+1449
STF2222

72' : 17567+1539
J 2098AB

72' : 17478+1557
TOB 268AB

72' : 17472+1502
HU 1288

73' : 17539+1413
TDT 563AB

78' : 17573+1531
ROE 120

79' : 17525+1402
TOK 611

79' : 17571+1547
MCT 10

81' : 17531+1401
HJ 1306

83' : 17567+1434
UC 3452

84' : 17467+1447
STF2217AB



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 17520+1520 : COMPONENTS
 
 
  A B C
B pa=168.1°
sep=0.90"
 
C pa=201.2°
sep=32.48"
pa=202.1°
sep=31.73"
 
D pa=245.9°
sep=93.41"
pa=246.5°
sep=93.23"
pa=263.9°
sep=73.97"
 
 
17520+1520 A
 
 
Name HD 162734 Coord arcsec 2000 175158.46+151934.9 Mag 7.21 Spectral class G8III (yellow)
PmRA -2.00 PmDE 43.0 SAO 103161 HIP 87427
Tycho2 1552-02535-1 HD 162734 HR 6665 GC 24281
BD BD+15 3292
Tycho2
Tycho2 1552-02535-1 Pflag P RAmdeg 267.99362031 DEmdeg 15.32626839
PmRA -1.7 PmDE 42.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.46 EpDEm 1991.39
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.359 E BTmag 0.016 VTmag 7.210
E VTmag 0.010 Prox 8 TYC T HIP 87427
CCDM B RAdeg 267.99360833 DEdeg 15.32626389 EpRA 1990 1.61
EpDE 1990 1.54 E RAdeg 4.7 E DEdeg 4.7 Posflg D
Corr -0.2
SAO
SAO 103161 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.03 Vmag 6.5 SpType K0
Double code Source 70 CatNum 24281 DM BD+15 3292
DMcomp BDsup HD 162734 M HD 0
GC 24281 RA1950rad 4.66752192 DE1950rad 0.26767366 PmRA2000 0
PmDE2000 0.031
Hipparcos
Catalog H HIP 87427 Proxy H RAhms 17 51 58.46
DEdms +15 19 34.6 Vmag 6.43 VarFlag R Vmag H
RAdeg 267.994 DEdeg 15.3263 AstroRef B Plx 7.4
CCDM 17520+1520 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 170 Rho 0.839 HD 162734 BD BD+15 3292
CD CP Dm number +15 3292 VIred 0.99
SpType K0III R SpType Coord arcsec 2000 175158.46+151934.6
Hipparcos 2
HIP 87427 Sn 15 So 3 Nc 2
RArad 4.677370756 DErad 0.2674939429 Plx 4.27 PmRA -7.19
PmDE 41.43 E RArad 1 E DErad 0.83 E Plx 1.31
E pmRA 1.19 E pmDE 0.94 Hpmag 6.6006 E Hpmag 0.001
SHp 0.008 VA 0 BV 0.997 E BV 0.009
VI 0.98
CCDM
Ccdm 17520+1520 RComp Comp A Note1
Note2 Discov num DRAs -1.44 DDEs -26.3
R dRAs 65 Year Theta Rho
Obs 4 Vmag 6.8 Sp K0 PmNote *
PmRA -16 PmDE 46 Dm number +15 3292 Cat1 BD
Name2 +15 1814 Cat2 AGK2/3 HD 162734 M HD
ADS BDS A10850 M ADS BDS N IDS IDS 17475N1521A
HIC 87427
 
 
17520+1520 B
 
 
Coord arcsec 2000 175158.47+151934.0 Mag 7.38 PmRA -2.00 PmDE 43.0
Tycho2 1552-02535-2 Calc delta mag 0.17 Calc coord yes
Tycho2
Tycho2 1552-02535-2 Pflag P RAmdeg 267.99362031 DEmdeg 15.32626839
PmRA -1.7 PmDE 42.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.46 EpDEm 1991.39
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.542 E BTmag 0.017 VTmag 7.378
E VTmag 0.011 Prox 8 TYC T HIP 87427
CCDM A RAdeg 267.99364611 DEdeg 15.32603806 EpRA 1990 1.61
EpDE 1990 1.54 E RAdeg 5.0 E DEdeg 5.0 Posflg D
Corr -0.2
CCDM
Ccdm 17520+1520 RComp Comp B Note1
Note2 Discov num STT 338 DRAs DDEs
R dRAs Year 1959 Theta 357 Rho 0.7
Obs 99 Vmag 7.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10850 M ADS BDS N IDS IDS 17475N1521B
HIC 87427
 
 
17520+1520 C
 
 
Coord arcsec 2000 175157.65+151904.6 Mag 13.1 PmRA -7.00 PmDE -2.0
Calc delta mag 5.89 Calc coord yes
CCDM
Ccdm 17520+1520 RComp Comp C Note1
Note2 Discov num STT 338 DRAs -2.41 DDEs -54.1
R dRAs 65 Year 1894 Theta 217 Rho 28.0
Obs 1 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10850 M ADS BDS N IDS IDS 17475N1521C
HIC
 
 
17520+1520 D
 
 
Coord arcsec 2000 175152.56+151856.8 Mag 11.6 PmRA 3.00 PmDE -19.0
Calc delta mag 4.39 Calc coord yes
CCDM
Ccdm 17520+1520 RComp Comp D Note1
Note2 Discov num STT 338 DRAs -7.41 DDEs -61.4
R dRAs 65 Year 1906 Theta 251 Rho 95.2
Obs 1 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10850 M ADS BDS N IDS IDS 17475N1521D
HIC