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Doubles in session


Current system
20379+4757
GUI 33 BC


Nearby doubles
9' : 20383+4804
ES 89AB

12' : 20389+4803
CNT 7

20' : 20389+4741
A 746

22' : 20361+4745
HJ 1549

23' : 20397+4806
ES 806AB

30' : 20397+4734
A 747AB

31' : 20396+4823
RAO 616

33' : 20387+4830
HJ 1558

36' : 20414+4758
ES 809AB

39' : 20341+4804
YSC 116

41' : 20397+4721
A 748

44' : 20409+4828
ES 808

46' : 20348+4830
ES 666

46' : 20334+4752
J 4

47' : 20379+4710
TDT2436

59' : 20336+4719
ES 665

64' : 20405+4855
ES 807

65' : 20437+4733
A 749

69' : 20406+4900
ES 509

70' : 20335+4703
A 738AB

71' : 20335+4702
BKO 155

72' : 20352+4651
MZA 30AB

72' : 20353+4650
MZA 37AB

73' : 20434+4712
TDT2496

73' : 20349+4651
STTA208AB

78' : 20443+4716
TDT2509



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 20379+4757 : COMPONENTS
 
 
  A B C Cb
B pa=29.5°
sep=21.83"
 
C pa=194.8°
sep=55.34"
pa=199.0°
sep=76.66"
 
Cb pa=194.8°
sep=55.00"
pa=199.0°
sep=76.32"
pa=20.7°
sep=0.35"
 
D pa=188.0°
sep=17.30"
pa=200.0°
sep=38.45"
pa=17.9°
sep=38.22"
pa=17.9°
sep=37.87"
 
 
20379+4757 A
 
 
Name HD 196808 Coord arcsec 2000 203751.14+475641.9 Mag 7.94 Spectral class A0 (white)
PmRA 3.00 PmDE -1.0 SAO 49879 HIP 101804
Tycho2 3578-01530-1 HD 196808 GC 28738 BD BD+47 3153
Tycho2
Tycho2 3578-01530-1 Pflag RAmdeg 309.46308085 DEmdeg 47.94496430
PmRA 4.8 PmDE 0.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.45 EpDEm 1991.32
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.928 E BTmag 0.016 VTmag 7.939
E VTmag 0.012 Prox 220 TYC T HIP 101804
CCDM A RAdeg 309.46306444 DEdeg 47.94496278 EpRA 1990 1.72
EpDE 1990 1.59 E RAdeg 4.9 E DEdeg 5.4 Posflg
Corr 0.1
SAO
SAO 49879 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.023 Vmag 8.7 SpType A0
Double code Source 70 CatNum 28738 DM BD+47 3153
DMcomp BDsup HD 196808 M HD 0
GC 28738 RA1950rad 5.39412416 DE1950rad 0.83372697 PmRA2000 0.0014
PmDE2000 0.02
Hipparcos
Catalog H HIP 101804 Proxy RAhms 20 37 51.14
DEdms +47 56 41.9 Vmag 7.93 VarFlag R Vmag G
RAdeg 309.463 DEdeg 47.945 AstroRef A Plx 5.09
CCDM 20378+4756 N CCDM I Nsys 3 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 196808 BD BD+47 3153
CD CP Dm number +47 3153 VIred 0
SpType A0 R SpType Coord arcsec 2000 203751.14+475641.9
Hipparcos 2
HIP 101804 Sn 95 So 3 Nc 1
RArad 5.4011493911 DErad 0.8367974637 Plx 5.81 PmRA 5.32
PmDE 1.13 E RArad 0.87 E DErad 0.85 E Plx 1.05
E pmRA 1.16 E pmDE 1.08 Hpmag 7.9819 E Hpmag 0.0236
SHp 0.043 VA 0 BV -0.02 E BV 0.02
VI 0
 
 
20379+4757 B
 
 
Coord arcsec 2000 203752.21+475700.9 Coord calc 203752.21+475700.9 Mag 9.45 PmRA -2.00
PmDE -4.0 HIP 101807 Tycho2 3578-03165-1 Calc delta mag 1.51
Tycho2
Tycho2 3578-03165-1 Pflag RAmdeg 309.46753818 DEmdeg 47.95025682
PmRA -4.2 PmDE -6.1 E RAmdeg 16 E DEmdeg 17
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.39 EpDEm 1990.21
Num 4 Q RAmdeg 0.9 Q DEmdeg 0.4 Q pmRA 0.9
Q pmDE 0.3 BTmag 10.038 E BTmag 0.030 VTmag 9.449
E VTmag 0.024 Prox 220 TYC T HIP 101807
CCDM B RAdeg 309.46755278 DEdeg 47.95027111 EpRA 1990 1.67
EpDE 1990 1.59 E RAdeg 15.7 E DEdeg 17.1 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 101807 Proxy RAhms 20 37 52.22
DEdms +47 57 01.0 Vmag 9.64 VarFlag R Vmag H
RAdeg 309.468 DEdeg 47.9503 AstroRef B Plx 1.83
CCDM 20378+4756 N CCDM I Nsys 3 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 196808 BD BD+47 3153
CD CP Dm number +47 3153 VIred 0.86
SpType R SpType Coord arcsec 2000 203752.22+475701.0
Hipparcos 2
HIP 101807 Sn 95 So 3 Nc 1
RArad 5.4012279013 DErad 0.8368899748 Plx 4.34 PmRA 8.43
PmDE -1.49 E RArad 5.98 E DErad 5.43 E Plx 7.3
E pmRA 5.81 E pmDE 5.98 Hpmag 9.482 E Hpmag 0.0751
SHp 0 VA 0 BV 0.757 E BV 0.046
VI 0.8
 
 
20379+4757 C
 
 
Coord arcsec 2000 203749.73+475548.4 Coord calc 203750.20+475548.4 Mag 8.75 Mag composta 8.62
Spectral class B8 (blue-white) PmRA 3.00 PmDE 1.0 HIP 101801
Tycho2 3578-02322-1 BD BD+47 3152 Calc delta mag 0.81
Tycho2
Tycho2 3578-02322-1 Pflag RAmdeg 309.45723476 DEmdeg 47.93009591
PmRA 3.8 PmDE -2.1 E RAmdeg 7 E DEmdeg 7
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.20 EpDEm 1991.09
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 8.660 E BTmag 0.017 VTmag 8.622
E VTmag 0.015 Prox 553 TYC T HIP 101801
CCDM CD RAdeg 309.45722222 DEdeg 47.93010028 EpRA 1990 1.72
EpDE 1990 1.57 E RAdeg 6.5 E DEdeg 7.4 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 101801 Proxy H RAhms 20 37 49.73
DEdms +47 55 48.4 Vmag 8.67 VarFlag R Vmag H
RAdeg 309.457 DEdeg 47.9301 AstroRef C Plx 2.41
CCDM 20378+4756 N CCDM I Nsys 3 Ncomp 2
MultFlag C Source Qual C M HIP CD
Theta 9 Rho 0.412 HD BD BD+47 3152
CD CP Dm number +47 3152 VIred 0.05
SpType B8 R SpType Coord arcsec 2000 203749.73+475548.4
Hipparcos 2
HIP 101801 Sn 15 So 3 Nc 2
RArad 5.4010472308 DErad 0.8365380165 Plx 1.72 PmRA 3.96
PmDE 1.28 E RArad 0.68 E DErad 0.63 E Plx 0.8
E pmRA 0.85 E pmDE 0.8 Hpmag 8.7071 E Hpmag 0.0015
SHp 0.015 VA 0 BV 0.083 E BV 0.018
VI 0.1
 
 
20379+4757 Cb
 
 
Coord arcsec 2000 203749.74+475548.7 Mag 12.31 Calc delta mag 4.37 Calc coord yes
 
 
20379+4757 D
 
 
Coord arcsec 2000 203750.90+475624.8 Mag 14.3 PmRA 16.00 PmDE 60.0
Calc delta mag 6.36 Calc coord yes