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Doubles in session


Current system
21001+4841
STT 425 AC


Nearby doubles
30' : 21001+4911
HJ 1604

31' : 21005+4911
RAO 445

37' : 20573+4818
HDS2987

43' : 21019+4802
COU2650

51' : 21050+4855
CVE 25

51' : 21047+4902
HU 590

52' : 21050+4858
TDT2728

55' : 21043+4806
ARN 51

55' : 20577+4752
KPP2318

58' : 20598+4743
ES 815

58' : 20567+4754
ES 814AB

61' : 20541+4850
CTI5707

63' : 20572+4936
KPP1431

64' : 20557+4755
ES 813

64' : 21011+4738
RAO 446

66' : 20540+4905
HEI 913

67' : 21065+4823
BU 836AB

69' : 20587+4734
A 757

70' : 21055+4758
ES 816

70' : 21016+4948
TDT2700

70' : 20598+4731
STF2743AB

72' : 21009+4730
BU 1290AB

73' : 21016+4730
HDS2997

74' : 21019+4952
HER 26

76' : 21077+4851
ES 818AB

77' : 20529+4814
ES 812



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 21001+4841 : COMPONENTS
 
 
  A B C D
B pa=128.3°
sep=1.75"
 
C pa=26.6°
sep=17.68"
pa=21.2°
sep=18.11"
 
D pa=37.9°
sep=16.39"
pa=31.8°
sep=16.49"
pa=143.3°
sep=3.58"
 
E pa=10.3°
sep=44.47"
pa=8.3°
sep=45.32"
pa=0.1°
sep=27.95"
pa=356.1°
sep=30.89"
 
 
21001+4841 A
 
 
Name HD 200177 Coord arcsec 2000 210006.61+484045.9 Mag 7.34 Spectral class B9p (blue-white)
PmRA 13.00 PmDE 3.0 SAO 50340 HIP 103658
Tycho2 3592-01443-1 HD 200177 GC 29339 BD BD+48 3260
Tycho2
Tycho2 3592-01443-1 Pflag RAmdeg 315.02754749 DEmdeg 48.67944475
PmRA 13.2 PmDE 3.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.3 EpRAm 1991.28 EpDEm 1991.41
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 7.351 E BTmag 0.015 VTmag 7.342
E VTmag 0.010 Prox 452 TYC T HIP 103658
CCDM RAdeg 315.02750028 DEdeg 48.67943722 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 4.4 E DEdeg 4.2 Posflg
Corr 0.1
SAO
SAO 50340 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.014 Vmag 7.1 SpType A0
Double code Source 70 CatNum 29339 DM BD+48 3260
DMcomp BDsup HD 200177 M HD 0
GC 29339 RA1950rad 5.49098553 DE1950rad 0.846194 PmRA2000 0.0013
PmDE2000 0.011
Hipparcos
Catalog H HIP 103658 Proxy RAhms 21 00 06.60
DEdms +48 40 46.0 Vmag 7.3 VarFlag 1 R Vmag H
RAdeg 315.027 DEdeg 48.6794 AstroRef Plx 7.18
CCDM 21001+4841 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 200177 BD BD+48 3260
CD CP Dm number +48 3260 VIred 0.02
SpType B9p R SpType Coord arcsec 2000 210006.60+484046.0
Hipparcos 2
HIP 103658 Sn 5 So 0 Nc 1
RArad 5.4982670236 DErad 0.849616377 Plx 6.29 PmRA 11.87
PmDE 6.07 E RArad 0.37 E DErad 0.46 E Plx 0.48
E pmRA 0.48 E pmDE 0.67 Hpmag 7.3098 E Hpmag 0.0013
SHp 0.016 VA 0 BV 0.01 E BV 0.01
VI 0.03
CCDM
Ccdm 21001+4841 RComp Comp A Note1
Note2 Discov num DRAs 0.61 DDEs -14.5
R dRAs 10 Year Theta Rho
Obs 5 Vmag 7.1 Sp A0 PmNote *
PmRA 14 PmDE -4 Dm number +48 3260 Cat1 BD
Name2 +48 1692 Cat2 AGK2/3 HD 200177 M HD
ADS BDS A14531 M ADS BDS N IDS IDS 20568N4817A
HIC 103658
 
 
21001+4841 B
 
 
Coord arcsec 2000 210006.75+484044.8 Mag 12.2 Calc delta mag 4.86 Calc coord yes
CCDM
Ccdm 21001+4841 RComp Comp B Note1
Note2 Discov num BU 1210 DRAs DDEs
R dRAs Year 1890 Theta 119 Rho 2.3
Obs 6 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14531 M ADS BDS N IDS IDS 20568N4817B
HIC 103658
 
 
21001+4841 C
 
 
Coord arcsec 2000 210007.41+484101.7 Coord calc 210007.41+484101.7 Mag 10.8 PmRA 20.00
PmDE 56.0 Calc delta mag 3.46
CCDM
Ccdm 21001+4841 RComp Comp C Note1
Note2 Discov num STT 425 DRAs DDEs
R dRAs Year 1924 Theta 027 Rho 14.9
Obs 8 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14531 M ADS BDS N IDS IDS 20568N4817C
HIC
 
 
21001+4841 D
 
 
Coord arcsec 2000 210007.63+484058.8 Mag 12.3 PmRA 33.00 PmDE 32.0
Calc delta mag 4.96 Calc coord yes
CCDM
Ccdm 21001+4841 RComp C Comp D Note1
Note2 Discov num STT 425 DRAs DDEs
R dRAs Year 1890 Theta 134 Rho 4.3
Obs 5 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14531 M ADS BDS N IDS IDS 20568N4817D
HIC
 
 
21001+4841 E
 
 
Coord arcsec 2000 210007.41+484129.7 Mag 10.61 PmRA 7.00 PmDE 10.0
Calc delta mag 3.27 Calc coord yes
CCDM
Ccdm 21001+4841 RComp Comp E Note1
Note2 Discov num STT 425 DRAs DDEs
R dRAs Year 1898 Theta 018 Rho 45.1
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14531 M ADS BDS N IDS IDS 20568N4817E
HIC