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Doubles in session


Current system
21591+6400
HU 975 AB


Nearby doubles
2' : 21591+6358
TDT3275

3' : 21587+6359
MLB 225

5' : 21584+6359
TDT3267

20' : 21597+6419
TDT3279

28' : 21567+6338
WRH 36

31' : 22028+6343
TDT3307

32' : 21565+6334
STI1074

33' : 21584+6432
TDT3266

34' : 21587+6434
HJ 1713

37' : 21536+6405
TDT3218

38' : 21535+6408
STI1069

42' : 22022+6436
TDS1152

43' : 22036+6331
HDS3130

43' : 21544+6330
STI1071

46' : 22005+6445
SMA 157

46' : 21559+6441
STI1072

49' : 22052+6335
HDS3136

49' : 22038+6438
STF2863AB
Kurhah

52' : 22069+6405
WYL 1

52' : 22066+6346
MLB 226AB

53' : 21511+6401
STF2842

54' : 21512+6414
ES 1921

55' : 22045+6319
TDT3324

55' : 21508+6400
STI1061AB

57' : 21505+6401
ES 1920

58' : 22055+6322
STI1089



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 21591+6400 : COMPONENTS
 
 
  A B C
B pa=194.3°
sep=0.28"
 
C pa=156.1°
sep=1.44"
pa=148.1°
sep=1.23"
 
D pa=163.1°
sep=7.10"
pa=161.9°
sep=6.86"
pa=164.9°
sep=5.67"
 
 
21591+6400 A
 
 
Coord arcsec 2000 215903.72+635955.3 Mag 9.39 Spectral class B8V (blue-white) PmRA -4.00
PmDE -8.0 SAO 19777 HIP 108519 Tycho2 4270-03604-1
HD 209178 BD BD+63 1794
Tycho2
Tycho2 4270-03604-1 Pflag P RAmdeg 329.76553847 DEmdeg 63.99865494
PmRA -4.3 PmDE -7.5 E RAmdeg 8 E DEmdeg 8
E pmRA 3.6 E pmDE 3.9 EpRAm 1991.59 EpDEm 1991.57
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.2 Q pmRA 0.1
Q pmDE 1.3 BTmag 9.077 E BTmag 0.017 VTmag 8.904
E VTmag 0.015 Prox 19 TYC T HIP 108519
CCDM AB RAdeg 329.76550417 DEdeg 63.99869750 EpRA 1990 1.65
EpDE 1990 1.62 E RAdeg 7.5 E DEdeg 8.4 Posflg D
Corr 0.0
SAO
SAO 19777 DelFlag RA1950 PmRA1950 -0.0044
DE1950 PmDE1950 -0.001 Vmag 8.7 SpType B8
Double code Source 2 CatNum 1210 DM BD+63 1794
DMcomp BDsup HD 209178 M HD 0
GC RA1950rad 5.74932399 DE1950rad 1.11279847 PmRA2000 -0.0041
PmDE2000 -0.006
Hipparcos
Catalog H HIP 108519 Proxy H RAhms 21 59 03.72
DEdms +63 59 55.3 Vmag 8.68 VarFlag R Vmag H
RAdeg 329.766 DEdeg 63.9987 AstroRef * Plx 0.87
CCDM 21591+6400 N CCDM I Nsys 1 Ncomp 4
MultFlag C Source Qual C M HIP
Theta Rho HD 209178 BD BD+63 1794
CD CP Dm number +63 1794 VIred 0.23
SpType B8 R SpType Coord arcsec 2000 215903.72+635955.3
Hipparcos 2
HIP 108519 Sn 55 So 3 Nc 4
RArad 5.7554939143 DErad 1.1169879759 Plx 9.08 PmRA -2.08
PmDE -11.39 E RArad 3.6 E DErad 3.47 E Plx 4.49
E pmRA 5.34 E pmDE 4.27 Hpmag 8.7425 E Hpmag 0.0013
SHp 0.015 VA 0 BV 0.24 E BV 0.4
VI 0.23
CCDM
Ccdm 21591+6400 RComp Comp A Note1
Note2 Discov num DRAs -2.21 DDEs -5.1
R dRAs 10 Year Theta Rho
Obs 4 Vmag 9.5 Sp B8 PmNote *
PmRA 2 PmDE -2 Dm number +63 1794 Cat1 BD
Name2 +63 1210 Cat2 AGK2/3 HD 209178 M HD
ADS BDS A15527 M ADS BDS N IDS IDS 21562N6332A
HIC 108519
 
 
21591+6400 B
 
 
Coord arcsec 2000 215903.71+635955.0 Mag 10.04 Calc delta mag 0.65 Calc coord yes
CCDM
Ccdm 21591+6400 RComp Comp B Note1
Note2 Discov num HU 975 DRAs DDEs
R dRAs Year 1904 Theta 214 Rho 0.3
Obs 8 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15527 M ADS BDS N IDS IDS 21562N6332B
HIC 108519
 
 
21591+6400 C
 
 
Coord arcsec 2000 215903.81+635954.0 Mag 11.02 PmRA -4.00 PmDE -8.0
Tycho2 4270-03604-2 Calc delta mag 1.63 Calc coord yes
Tycho2
Tycho2 4270-03604-2 Pflag P RAmdeg 329.76553847 DEmdeg 63.99865494
PmRA -4.3 PmDE -7.5 E RAmdeg 8 E DEmdeg 8
E pmRA 3.6 E pmDE 3.9 EpRAm 1991.59 EpDEm 1991.57
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.2 Q pmRA 0.1
Q pmDE 1.3 BTmag 11.266 E BTmag 0.064 VTmag 11.018
E VTmag 0.077 Prox 19 TYC HIP 108519
CCDM C RAdeg 329.76635389 DEdeg 63.99832417 EpRA 1990 1.67
EpDE 1990 1.58 E RAdeg 39.8 E DEdeg 47.2 Posflg D
Corr 0.0
CCDM
Ccdm 21591+6400 RComp Comp C Note1
Note2 Discov num HU 975 DRAs DDEs
R dRAs Year 1904 Theta 137 Rho 1.8
Obs 3 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15527 M ADS BDS N IDS IDS 21562N6332C
HIC 108519
 
 
21591+6400 D
 
 
Coord arcsec 2000 215904.03+635948.5 Mag 12.67 PmRA -2.00 PmDE -1.0
Calc delta mag 3.28 Calc coord yes
CCDM
Ccdm 21591+6400 RComp Comp D Note1
Note2 Discov num STI1077 DRAs DDEs
R dRAs Year 1912 Theta 147 Rho 8.5
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15527 M ADS BDS N IDS IDS 21562N6332D
HIC 108519