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Current system
02181+5731
BU 1170 BC


Nearby doubles
9' : 02176+5724
STI1830

14' : 02175+5745
STI1827

18' : 02182+5715
STI1836

18' : 02201+5740
TDS2208

19' : 02183+5714
STI1838

19' : 02188+5714
TDS 81AB

19' : 02186+5714
BKO 167

19' : 02192+5716
BKO 170

20' : 02199+5719
HDS 304

20' : 02189+5713
BKO 169

21' : 02156+5734
TDS2182

21' : 02196+5717
WZ 4AB

24' : 02192+5710
BU 1370

25' : 02151+5735
MLB 113

26' : 02165+5754
STI1822

26' : 02191+5708
HJ 1114

26' : 02149+5728
STI1816

27' : 02177+5706
STI1831

27' : 02173+5706
BKO 163

29' : 02175+5704
BKO 164

29' : 02182+5704
BKO 166

29' : 02213+5721
TDS2218

30' : 02194+5705
TDS2202

30' : 02218+5737
STI1850

31' : 02169+5703
STTA 25

32' : 02189+5701
TDS2197



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 02181+5731 : COMPONENTS
 
 
  A B C D
B pa=356.9°
sep=68.80"
 
C pa=356.8°
sep=69.11"
pa=326.8°
sep=0.36"
 
D pa=152.9°
sep=100.27"
pa=162.7°
sep=165.50"
pa=162.6°
sep=165.84"
 
E pa=6.4°
sep=204.04"
pa=11.2°
sep=136.65"
pa=11.3°
sep=136.39"
pa=355.5°
sep=292.93"
 
 
02181+5731 A
 
 
Name Chi Per Coord arcsec 2000 021804.58+573058.7 Mag 6.11 Spectral class G7III (yellow)
PmRA -13.00 PmDE -2.0 SAO 23149 HIP 10729
Tycho2 3694-02581-1 HD 13994 HR 662 GC 2752
BD BD+56 486 Bayer Chi Persei Bayer name Chi Flamsteed 7 Persei
Flamsteed name 7 Per
Tycho2
Tycho2 3694-02581-1 Pflag RAmdeg 34.51910738 DEmdeg 57.51631903
PmRA -13.1 PmDE -2.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.34 EpDEm 1991.24
Num 14 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.5 BTmag 7.319 E BTmag 0.015 VTmag 6.113
E VTmag 0.010 Prox 999 TYC T HIP 10729
CCDM RAdeg 34.51916389 DEdeg 57.51632389 EpRA 1990 1.64
EpDE 1990 1.51 E RAdeg 3.6 E DEdeg 3.8 Posflg
Corr 0.1
SAO
SAO 23149 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 0.01 Vmag 6.1 SpType K0
Double code Source 70 CatNum 2752 DM BD+56 486
DMcomp BDsup HD 13994 M HD 0
GC 2752 RA1950rad 0.58703542 DE1950rad 0.99982917 PmRA2000 -0.0024
PmDE2000 0.006
Hipparcos
Catalog H HIP 10729 Proxy RAhms 02 18 04.60
DEdms +57 30 58.8 Vmag 5.99 VarFlag R Vmag H
RAdeg 34.5192 DEdeg 57.5163 AstroRef Plx 4.59
CCDM 02181+5731 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 13994 BD BD+56 486
CD CP Dm number +56 486 VIred 1.01
SpType G7III R SpType Coord arcsec 2000 021804.60+573058.8
Hipparcos 2
HIP 10729 Sn 5 So 0 Nc 1
RArad 0.6024730858 DErad 1.0038492551 Plx 3.98 PmRA -12.98
PmDE -2.23 E RArad 0.32 E DErad 0.27 E Plx 0.44
E pmRA 0.44 E pmDE 0.36 Hpmag 6.1519 E Hpmag 0.0008
SHp 0.009 VA 0 BV 1.039 E BV 0.007
VI 1.01
CCDM
Ccdm 02181+5731 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs -0.3
R dRAs 65 Year Theta Rho
Obs 4 Vmag 6.2 Sp K0 PmNote *
PmRA -11 PmDE 14 Dm number +56 486 Cat1 BD
Name2 +57 280 Cat2 AGK2/3 HD 13994 M HD
ADS BDS A 1753 M ADS BDS N IDS IDS 02110N5703A
HIC 10729
 
 
02181+5731 B
 
 
Coord arcsec 2000 021804.12+573207.4 Mag 11.5 Spectral class G7III (yellow) PmRA 28.00
PmDE -12.0 Calc delta mag 5.39
CCDM
Ccdm 02181+5731 RComp Comp B Note1
Note2 Discov num BU 1170 DRAs -1.87 DDEs 66.6
R dRAs 65 Year 1879 Theta 354 Rho 70.2
Obs 4 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1753 M ADS BDS N IDS IDS 02110N5703B
HIC
 
 
02181+5731 C
 
 
Coord arcsec 2000 021804.10+573207.7 Mag 11.7 Calc delta mag 5.59 Calc coord yes
CCDM
Ccdm 02181+5731 RComp B Comp C Note1
Note2 Discov num BU 1170 DRAs DDEs
R dRAs Year 1890 Theta 313 Rho 0.3
Obs 3 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 1753 M ADS BDS N IDS IDS 02110N5703C
HIC
 
 
02181+5731 D
 
 
Coord arcsec 2000 021810.25+572929.4 Mag 9.62 PmRA -7.00 PmDE 4.0
Calc delta mag 3.51 Calc coord yes
CCDM
Ccdm 02181+5731 RComp Comp D Note1
Note2 Discov num S 409 DRAs 9.07 DDEs -91.0
R dRAs 65 Year 1918 Theta 136 Rho 121.9
Obs 6 Vmag 8.9 Sp A0 PmNote
PmRA PmDE Dm number +56 487 Cat1 BD
Name2 Cat2 HD 14012 M HD
ADS BDS A 1753 M ADS BDS N IDS IDS 02110N5703D
HIC
 
 
02181+5731 E
 
 
Coord arcsec 2000 021807.40+573421.5 Mag 12.39 PmRA -1.00 PmDE -1.0
Calc delta mag 6.28 Calc coord yes