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Doubles in session


Current system
20170+3725
A 1423 AB
HD 193077


Nearby doubles
6' : 20168+3731
ARY 25

9' : 20176+3729
SLE 987

14' : 20171+3738
SLE 986AB

15' : 20165+3739
BU 442AB

17' : 20161+3738
SLE 980

18' : 20179+3712
SEI1071

18' : 20169+3743
SLE 985

18' : 20177+3740
SLE 989

21' : 20185+3735
TDT2155

21' : 20155+3713
ES 2189

22' : 20187+3720
SLE 995

23' : 20162+3745
TOB 183

23' : 20187+3715
SLE 994

23' : 20189+3730
TDT2160

23' : 20165+3703
ARY 24

24' : 20189+3723
BKO 823

24' : 20150+3729
KPP2316

26' : 20191+3720
TDT2163

26' : 20191+3730
SLE 999

28' : 20160+3751
TDT2130

29' : 20151+3742
COU2416

30' : 20150+3743
SEI1043

30' : 20168+3755
SLE 984

33' : 20184+3658
MLB 417

34' : 20166+3759
ALI 663

35' : 20166+3651
SEI1059



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 20170+3725 : COMPONENTS
 
 
  A Aa2 Ab
Aa2 pa=121.8°
sep=0.00"
 
Ab pa=54.6°
sep=0.88"
pa=54.4°
sep=0.88"
 
B pa=128.1°
sep=4.35"
pa=128.1°
sep=4.35"
pa=139.7°
sep=4.19"
 
 
20170+3725 A
 
 
Name HD 193077 Coord arcsec 2000 201700.03+372523.8 Mag 8.11 Spectral class WN (Wolf-Rayet)
PmRA -5.00 PmDE -16.0 SAO 69755 HIP 99982
BD BD+36 3987
SAO
SAO 69755 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.017 Vmag 7.8 SpType Oc
Double code Source 5 CatNum 1950 DM BD+36 3987
DMcomp BDsup HD 193077 M HD 0
GC RA1950rad 5.30206118 DE1950rad 0.65044655 PmRA2000 0.0013
PmDE2000 0.015
Hipparcos
Catalog H HIP 99982 Proxy H RAhms 20 17 00.03
DEdms +37 25 23.8 Vmag 7.99 VarFlag R Vmag H
RAdeg 304.25 DEdeg 37.4233 AstroRef A Plx 3.89
CCDM -1.88 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 50 Rho 0.865 HD BD BD+36 3987
CD CP Dm number +36 3987 VIred 0.34
SpType WNs... R SpType Coord arcsec 2000 201700.03+372523.8
Hipparcos 2
HIP 99982 Sn 15 So 3 Nc 2
RArad 5.3101663439 DErad 0.6531595631 Plx 5.81 PmRA -3.85
PmDE -4.76 E RArad 0.82 E DErad 0.95 E Plx 1.18
E pmRA 0.93 E pmDE 1.03 Hpmag E Hpmag 0.0015
SHp 0.02 VA 0 BV 0.294 E BV 0.015
VI 0.34
CCDM
Ccdm 20170+3725 RComp Comp A Note1
Note2 Discov num DRAs 0.03 DDEs 23.7
R dRAs 82 Year Theta Rho
Obs 3 Vmag 8.1 Sp OC PmNote *
PmRA -2 PmDE -7 Dm number +36 3987 Cat1 BD
Name2 +37 1950 Cat2 AGK2/3 HD 193077 M HD
ADS BDS A13641 M ADS BDS N IDS IDS 20133N3707A
HIC 99982
 
 
20170+3725 Aa2
 
 
Coord arcsec 2000 201700.03+372523.8 Mag 8 Spectral class O9V (blue) Tycho2 2684-00857-1
HD 193077 Delta magnitude 0.8 Coordinate calculated yes
Tycho2
Tycho2 2684-00857-1 Pflag RAmdeg 304.25010340 DEmdeg 37.42327537
PmRA -6.6 PmDE -4.7 E RAmdeg 6 E DEmdeg 5
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.94 EpDEm 1991.42
Num 14 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.6
Q pmDE 0.9 BTmag 8.454 E BTmag 0.016 VTmag 8.112
E VTmag 0.012 Prox 9 TYC T HIP 99982
CCDM A RAdeg 304.25012139 DEdeg 37.42328639 EpRA 1990 1.53
EpDE 1990 1.75 E RAdeg 5.8 E DEdeg 5.0 Posflg
Corr 0.0
 
 
20170+3725 Ab
 
 
Coord arcsec 2000 201700.09+372524.3 Mag 11.25 PmRA -2.00 PmDE -7.0
Delta magnitude 4.05 Coordinate calculated yes
 
 
20170+3725 B
 
 
Coord arcsec 2000 201700.32+372521.1 Mag 12.1 Delta magnitude 4.9 Coordinate calculated yes
CCDM
Ccdm 20170+3725 RComp Comp B Note1
Note2 Discov num A 1423 DRAs DDEs
R dRAs Year 1906 Theta 130 Rho 4.4
Obs 3 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13641 M ADS BDS N IDS IDS 20133N3707B
HIC 99982