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Doubles in session


Current system
20021+4423
KOI 152 AE


Nearby doubles
3' : 20019+4421
RAO 96

5' : 20017+4421
KOI7032AB

11' : 20023+4413
KOI4790

16' : 20035+4420
KOI 116AB

17' : 20013+4409
KOI7004

18' : 20037+4421
KOI4724AB

19' : 20010+4408
KOI2174AB

19' : 20029+4406
KOI2822AB

21' : 20032+4439
KOI3518

21' : 20025+4403
KOI6990

21' : 20026+4403
KOI4634

22' : 20023+4402
KOI6989

23' : 20039+4411
ES 85AB

24' : 20012+4444
KOI4458AB

24' : 20040+4414
KOI1132

24' : 20041+4414
KOI7020

24' : 20042+4418
KOI5512

24' : 20035+4405
KOI5485

25' : 20023+4359
KOI4314

27' : 20009+4446
KOI4562AB

27' : 20039+4405
KOI3074AB

27' : 20018+4356
KOI1012

28' : 20046+4423
KOI4407AB

29' : 20007+4359
KOI2259

29' : 20038+4401
KOI5486

29' : 20041+4405
ARG 89



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 20021+4423 : COMPONENTS
 
 
  A B C D E F
B pa=340.1°
sep=5.72"
 
C pa=29.7°
sep=2.51"
pa=135.1°
sep=4.52"
 
D pa=21.7°
sep=4.21"
pa=112.8°
sep=3.80"
pa=10.3°
sep=1.76"
 
E pa=151.1°
sep=4.23"
pa=156.3°
sep=9.92"
pa=172.2°
sep=5.94"
pa=176.3°
sep=7.63"
 
F pa=133.1°
sep=4.64"
pa=148.0°
sep=10.08"
pa=158.1°
sep=5.76"
pa=165.5°
sep=7.31"
pa=68.3°
sep=1.45"
 
G pa=151.9°
sep=4.97"
pa=156.3°
sep=10.66"
pa=170.5°
sep=6.65"
pa=174.6°
sep=8.33"
pa=156.5°
sep=0.74"
pa=221.0°
sep=1.60"
 
 
20021+4423 A
 
 
Coord arcsec 2000 200204.11+442253.6 Mag 13.69 Spectral class G0 (yellow) PmRA -5.00
PmDE 9.0
 
 
20021+4423 B
 
 
Coord arcsec 2000 200203.93+442259.0 Mag 17.14 SAO 32223 HIP 98645
BD BD+56 2341 Delta magnitude 3.45 Coordinate calculated yes
SAO
SAO 32223 DelFlag RA1950 PmRA1950 0.0133
DE1950 PmDE1950 0.22 Vmag 9 SpType G5
Double code Source 38 CatNum 11027 DM BD+56 2341
DMcomp BDsup HD 239292 M HD 0
GC RA1950rad 5.24086651 DE1950rad 0.99442467 PmRA2000 0.0137
PmDE2000 0.219
Hipparcos
Catalog H HIP 98645 Proxy H RAhms 20 02 12.56
DEdms +57 07 11.3 Vmag 9.6 VarFlag R Vmag G
RAdeg 300.552 DEdeg 57.1198 AstroRef A Plx 10.46
CCDM 107.56 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 181 Rho 1.531 HD BD BD+56 2341
CD CP Dm number +56 2341 VIred 0.8
SpType G5 R SpType Coord arcsec 2000 200212.56+570711.3
Hipparcos 2
HIP 98645 Sn 15 So 3 Nc 2
RArad 5.2456277718 DErad 0.9969284599 Plx 12 PmRA 107.45
PmDE 222.78 E RArad 0.79 E DErad 0.86 E Plx 0.9
E pmRA 0.9 E pmDE 0.88 Hpmag E Hpmag 0.002
SHp 0.019 VA 0 BV 0.765 E BV 0.015
VI 0.81
 
 
20021+4423 C
 
 
Coord arcsec 2000 200204.23+442255.8 Mag 19.4 Delta magnitude 5.71 Coordinate calculated yes
 
 
20021+4423 D
 
 
Coord arcsec 2000 200204.26+442257.5 Mag 19.1 Delta magnitude 5.41 Coordinate calculated yes
 
 
20021+4423 E
 
 
Coord arcsec 2000 200204.30+442249.9 Mag 19.1 Delta magnitude 5.41 Coordinate calculated yes
 
 
20021+4423 F
 
 
Coord arcsec 2000 200204.43+442250.4 Mag 17.4 Delta magnitude 3.71 Coordinate calculated yes
 
 
20021+4423 G
 
 
Coord arcsec 2000 200204.33+442249.2 Mag 17.7 Delta magnitude 4.01 Coordinate calculated yes