stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20422+5020
BU 675 AD


Nearby doubles
7' : 20421+5013
ES 91AB

26' : 20449+5023
SKF2395

29' : 20441+5043
LEP 171

38' : 20383+5023
HU 588AB

39' : 20457+5040
STT 412AB

41' : 20380+5025
DAM 294

43' : 20378+5018
DAM 293

45' : 20465+5005
HDS2958

45' : 20376+5028
L 49

45' : 20466+5004
HDS2959

46' : 20457+4951
TDT2521

52' : 20418+4929
HEI 910

59' : 20434+4923
STJ 111

62' : 20486+5029
BU 366AB

62' : 20379+5106
ES 88AB

62' : 20367+5053
HLD 39AB

63' : 20438+4921
HEI 911

65' : 20425+4916
ARG 39AB

68' : 20483+5054
ES 998

73' : 20496+5008
ES 94AB

75' : 20496+5047
HDS2968

76' : 20499+5036
CBL 87

76' : 20347+4957
ES 2696

77' : 20356+5104
TDT2400

82' : 20406+4900
ES 509

85' : 20349+5109
ES 990



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 20422+5020 : COMPONENTS
 
 
  A B C D
B pa=107.7°
sep=2.15"
 
C pa=183.1°
sep=28.78"
pa=187.4°
sep=28.31"
 
D pa=339.2°
sep=30.57"
pa=336.1°
sep=31.96"
pa=350.8°
sep=58.06"
 
E pa=227.6°
sep=53.79"
pa=229.6°
sep=54.89"
pa=258.9°
sep=38.91"
pa=204.0°
sep=70.95"
 
 
20422+5020 A
 
 
Name 51 Cyg Coord arcsec 2000 204212.63+502024.1 Mag 5.38 Spectral class B2V (blue-white)
PmRA -3.00 PmDE 2.0 SAO 32809 HIP 102177
Tycho2 3582-02132-1 HD 197511 HR 7929 GC 28865
BD BD+49 3353 Flamsteed 51 Cygni Flamsteed name 51 Cyg
Tycho2
Tycho2 3582-02132-1 Pflag RAmdeg 310.55262568 DEmdeg 50.34002750
PmRA 3.8 PmDE 2.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.59 EpDEm 1991.55
Num 12 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 5.260 E BTmag 0.014 VTmag 5.383
E VTmag 0.009 Prox 721 TYC T HIP 102177
CCDM RAdeg 310.55261222 DEdeg 50.34002278 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.0
SAO
SAO 32809 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.007 Vmag 5.4 SpType B3
Double code Source 70 CatNum 28865 DM BD+49 3353
DMcomp BDsup HD 197511 M HD 0
GC 28865 RA1950rad 5.41343361 DE1950rad 0.87545302 PmRA2000 0.0003
PmDE2000 0.005
Hipparcos
Catalog H HIP 102177 Proxy RAhms 20 42 12.63
DEdms +50 20 24.1 Vmag 5.41 VarFlag R Vmag H
RAdeg 310.553 DEdeg 50.34 AstroRef Plx 3.53
CCDM 20422+5020 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 197511 BD BD+49 3353
CD CP Dm number +49 3353 VIred -0.09
SpType B2V R SpType Coord arcsec 2000 204212.63+502024.1
Hipparcos 2
HIP 102177 Sn 1 So 1 Nc 1
RArad 5.42016556 DErad 0.8785991072 Plx 2.56 PmRA 1.94
PmDE 1.84 E RArad 0.4 E DErad 0.36 E Plx 0.44
E pmRA 0.47 E pmDE 0.4 Hpmag 5.3772 E Hpmag 0.001
SHp 0.007 VA 0 BV -0.107 E BV 0.004
VI -0.09
CCDM
Ccdm 20422+5020 RComp Comp A Note1
Note2 Discov num DRAs 0.61 DDEs 24.0
R dRAs 10 Year Theta Rho
Obs 5 Vmag 5.4 Sp B3 PmNote *
PmRA -3 PmDE 4 Dm number +49 3353 Cat1 BD
Name2 +50 1537 Cat2 AGK2/3 HD 197511 M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959A
HIC 102177
 
 
20422+5020 B
 
 
Coord arcsec 2000 204212.84+502023.4 Mag 12.4 Calc delta mag 7.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp B Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 102 Rho 3.0
Obs 7 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959B
HIC 102177
 
 
20422+5020 C
 
 
Coord arcsec 2000 204212.47+501955.4 Mag 11.4 PmRA -6.00 PmDE -29.0
Calc delta mag 6.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp C Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 182 Rho 25.7
Obs 7 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959C
HIC
 
 
20422+5020 D
 
 
Coord arcsec 2000 204211.49+502052.7 Mag 11.4 PmRA 9.00 PmDE 5.0
Calc delta mag 6.02 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp D Note1
Note2 Discov num BU 675 DRAs DDEs
R dRAs Year 1878 Theta 329 Rho 32.8
Obs 5 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959D
HIC
 
 
20422+5020 E
 
 
Coord arcsec 2000 204208.48+501947.9 Mag 10.64 PmRA 5.00 PmDE 0.0
Calc delta mag 5.26 Calc coord yes
CCDM
Ccdm 20422+5020 RComp Comp E Note1
Note2 Discov num BU 675 DRAs -5.90 DDEs -11.2
R dRAs 10 Year 1916 Theta 240 Rho 72.3
Obs 1 Vmag Sp PmNote *
PmRA 1 PmDE 15 Dm number Cat1
Name2 +50 1536 Cat2 AGK2/3 HD M HD
ADS BDS A14189 M ADS BDS N IDS IDS 20391N4959E
HIC