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Doubles in session


Current system
20057+3536
SHJ 316 AB
HD 190864


Nearby doubles
5' : 20054+3539
SEI 847AB

6' : 20052+3536
TDT1958

7' : 20059+3542
SEI 854

8' : 20063+3538
SEI 871AB

8' : 20063+3535
SEI 873AB

10' : 20062+3544
SEI 867AB

10' : 20060+3545
SEI 858AB

11' : 20060+3546
ES 25AB

11' : 20064+3543
SEI 877AB

12' : 20060+3547
BU 440AB

13' : 20054+3549
SEI 846

14' : 20066+3544
RAO 518

15' : 20062+3523
MZA 38

16' : 20059+3552
SEI 856

16' : 20062+3551
SEI 869

17' : 20058+3520
SEI 851

18' : 20069+3545
SEI 886AB

18' : 20062+3520
TDT1981

18' : 20058+3554
SEI 849

18' : 20069+3546
SEI 885

20' : 20072+3531
SEI 890AB

20' : 20073+3534
ES 2248AB

21' : 20074+3537
ALI 181

21' : 20058+3556
ES 86AB

22' : 20075+3535
COU2126

23' : 20074+3543
STT 398AB



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 20057+3536 : COMPONENTS
 
 
  A B C
B pa=322.8°
sep=69.41"
 
C pa=314.9°
sep=70.64"
pa=236.1°
sep=9.72"
 
D pa=333.6°
sep=63.19"
pa=84.6°
sep=13.94"
pa=73.0°
sep=22.96"
 
 
20057+3536 A
 
 
Name HD 190864 Coord arcsec 2000 200539.80+353628.1 Mag 7.79 Spectral class O7IIIe (blue)
PmRA -4.00 PmDE -7.0 SAO 69391 HIP 98976
Tycho2 2678-00109-1 HD 190864 BD BD+35 3949
Tycho2
Tycho2 2678-00109-1 Pflag RAmdeg 301.41583490 DEmdeg 35.60777355
PmRA -5.6 PmDE -6.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.25 EpDEm 1991.38
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.9 BTmag 7.937 E BTmag 0.016 VTmag 7.794
E VTmag 0.011 Prox 695 TYC T HIP 98976
CCDM RAdeg 301.41585111 DEdeg 35.60778944 EpRA 1990 1.61
EpDE 1990 1.72 E RAdeg 4.8 E DEdeg 4.7 Posflg
Corr 0.1
SAO
SAO 69391 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 0.02 Vmag 8.1 SpType B
Double code Source 5 CatNum 1939 DM BD+35 3949
DMcomp BDsup HD 190864 M HD 0
GC RA1950rad 5.252487 DE1950rad 0.61896352 PmRA2000 -0.0005
PmDE2000 0.018
Hipparcos
Catalog H HIP 98976 Proxy RAhms 20 05 39.80
DEdms +35 36 28.1 Vmag 7.78 VarFlag R Vmag H
RAdeg 301.416 DEdeg 35.6078 AstroRef Plx 0.67
CCDM 20056+3537 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 190864 BD BD+35 3949
CD CP Dm number +35 3949 VIred 0.13
SpType O7III... R SpType Coord arcsec 2000 200539.80+353628.1
Hipparcos 2
HIP 98976 Sn 5 So 0 Nc 1
RArad 5.2606990362 DErad 0.6214732074 Plx 2.05 PmRA -2.81
PmDE -6.81 E RArad 0.47 E DErad 0.51 E Plx 0.66
E pmRA 0.58 E pmDE 0.6 Hpmag 7.8257 E Hpmag 0.0015
SHp 0.015 VA 0 BV 0.138 E BV 0.012
VI 0.15
 
 
20057+3536 B
 
 
Coord arcsec 2000 200536.36+353723.4 Coord calc 200536.36+353723.4 Mag 8.82 Spectral class B0.5IVp (blue-white)
PmRA -4.00 PmDE -7.0 Tycho2 2678-00808-1 HD 227586
Calc delta mag 1.03
Tycho2
Tycho2 2678-00808-1 Pflag RAmdeg 301.40152718 DEmdeg 35.62318315
PmRA -0.4 PmDE -8.2 E RAmdeg 8 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.74 EpDEm 1990.91
Num 11 Q RAmdeg 1.6 Q DEmdeg 0.6 Q pmRA 1.6
Q pmDE 0.6 BTmag 8.990 E BTmag 0.018 VTmag 8.819
E VTmag 0.015 Prox 695 TYC T HIP
CCDM RAdeg 301.40153000 DEdeg 35.62320194 EpRA 1990 1.67
EpDE 1990 1.74 E RAdeg 7.8 E DEdeg 8.0 Posflg
Corr 0.0
 
 
20057+3536 C
 
 
Coord arcsec 2000 200535.70+353718.0 Mag 13.8 PmRA -6.00 PmDE -20.0
Calc delta mag 6.01 Calc coord yes
 
 
20057+3536 D
 
 
Coord arcsec 2000 200537.50+353724.7 Mag 13.11 PmRA -5.00 PmDE -5.0
Calc delta mag 5.32 Calc coord yes