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Doubles in session


Current system
21274-1335
HDS 3054
HD 204220


Nearby doubles
13' : 21279-1326
SCJ 28

15' : 21274-1349
RST4084

30' : 21289-1354
RST4086

32' : 21279-1406
GWP3061

59' : 21314-1323
LDS1482

60' : 21286-1432
LDS1481

64' : 21242-1253
HJ 5517

64' : 21317-1330
SCJ 29

65' : 21244-1248
BU 272

70' : 21249-1435
FOX 260

76' : 21281-1450
RST4085

78' : 21288-1450
LDS 745

82' : 21229-1246
OCC 24

95' : 21338-1329
GWP3074

96' : 21334-1412
KPP2339

106' : 21345-1316
RST4089

106' : 21202-1330
HDS3037

110' : 21223-1455
BU 1262

111' : 21223-1213
GWP3053

115' : 21337-1444
HJ 3036

116' : 21214-1219
HJ 280

121' : 21346-1435
KPP2220

124' : 21191-1400
UC 4440

127' : 21358-1407
UC 4503

130' : 21192-1247
KPP4232

132' : 21231-1139
RST4083



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 21274-1335 : COMPONENTS
 
 
  A
B pa=357.1°
sep=0.11"
 
 
21274-1335 A
 
 
Componente originario normalizzato AB Name HD 204220 Coord arcsec 2000 212723.22-133515.3 Mag 7.24
Spectral class B9III/IV (blue-white) PmRA 12.00 PmDE 0.0 SAO 164400
HIP 105946 Tycho2 5798-01187-1 HD 204220 GC 30031
BD BD-14 6026
Tycho2
Tycho2 5798-01187-1 Pflag RAmdeg 321.84680153 DEmdeg -13.58759150
PmRA 14.3 PmDE 2.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.26 EpDEm 1991.03
Num 13 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 7.000 E BTmag 0.015 VTmag 7.083
E VTmag 0.010 Prox 999 TYC T HIP 105946
CCDM AB RAdeg 321.84676722 DEdeg -13.58759778 EpRA 1990 1.61
EpDE 1990 1.35 E RAdeg 3.9 E DEdeg 4.4 Posflg P
Corr -0.3
SAO
SAO 164400 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.009 Vmag 6.8 SpType B9
Double code Source 70 CatNum 30031 DM BD-14 6026
DMcomp BDsup HD 204220 M HD 0
GC 30031 RA1950rad 5.60536726 DE1950rad -0.24095103 PmRA2000 0.0018
PmDE2000 0.007
Hipparcos
Catalog H HIP 105946 Proxy H RAhms 21 27 23.22
DEdms -13 35 15.3 Vmag 7.11 VarFlag R Vmag G
RAdeg 321.847 DEdeg -13.5876 AstroRef * Plx 2.18
CCDM 21274-1335 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 354 Rho 0.127 HD 204220 BD BD-14 6026
CD CP Dm number -14 6026 VIred -0.07
SpType B9III/IV R SpType Coord arcsec 2000 212723.22-133515.3
Hipparcos 2
HIP 105946 Sn 55 So 3 Nc 2
RArad 5.6172857595 DErad -0.2371482774 Plx 3.41 PmRA 10.34
PmDE 0.43 E RArad 0.66 E DErad 0.38 E Plx 0.73
E pmRA 1.05 E pmDE 0.33 Hpmag 7.088 E Hpmag 0.0008
SHp 0.007 VA 0 BV -0.088 E BV 0.003
VI -0.07
CCDM
Ccdm 21274-1335 RComp Comp A Note1
Note2 Discov num DRAs -0.77 DDEs -15.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.2 Sp B9 PmNote *
PmRA 12 PmDE 0 Dm number -14 6026 Cat1 BD
Name2 164400 Cat2 SAO HD 204220 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105946
 
 
21274-1335 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212723.22-133515.2 Mag 9.31 Calc delta mag 2.07
Calc coord yes
CCDM
Ccdm 21274-1335 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.77 DDEs -15.2
R dRAs 82 Year 1991 Theta 354 Rho 0.1
Obs 1 Vmag 9.3 Sp PmNote *
PmRA 12 PmDE 0 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105946