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Doubles in session


Current system
21304-2426
SEE 448 AB
HD 204608


Nearby doubles
30' : 21324-2434
UC 4488

41' : 21282-2358
BRT3102

44' : 21275-2446
LDS4886

46' : 21277-2453
HJ 5271

54' : 21321-2514
B 2495

63' : 21343-2353
BVD 138

85' : 21261-2325
HJ 5269

88' : 21244-2455
SPM 40

96' : 21297-2251
LDS4889

108' : 21242-2534
BU 1035

119' : 21218-2409
KPP 492

121' : 21250-2250
UC 4466

123' : 21224-2523
TDT2932

123' : 21215-2442
SEE 441AB

126' : 21338-2622
RST1095

128' : 21325-2631
RST1093

131' : 21314-2217
HJ 3030

131' : 21362-2610
RST1098AB

132' : 21267-2225
SEE 446AB

138' : 21336-2216
ARA1941

140' : 21213-2324
B 524

140' : 21342-2215
DON1011

143' : 21308-2204
OL 76

143' : 21392-2543
NSN 494

145' : 21270-2208
ALD 16

150' : 21238-2227
TDT2943



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 21304-2426 : COMPONENTS
 
 
  A B
B pa=252.1°
sep=1.34"
 
C pa=9.4°
sep=23.60"
pa=12.2°
sep=24.24"
 
 
21304-2426 A
 
 
Name HD 204608 Coord arcsec 2000 213023.54-242538.9 Mag 8.66 Spectral class K0III (yellow-orange)
PmRA 14.00 PmDE -9.0 SAO 190393 HIP 106181
Tycho2 6943-00202-1 HD 204608 GC 30105 CD CD-2416686
CP CP-24 7227
Tycho2
Tycho2 6943-00202-1 Pflag P RAmdeg 322.59808089 DEmdeg -24.42747511
PmRA 13.7 PmDE -8.5 E RAmdeg 8 E DEmdeg 10
E pmRA 2.6 E pmDE 2.4 EpRAm 1991.59 EpDEm 1991.25
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.4 Q pmRA 1.5
Q pmDE 0.4 BTmag 9.766 E BTmag 0.023 VTmag 8.662
E VTmag 0.014 Prox 15 TYC T HIP 106181
CCDM A RAdeg 322.59810611 DEdeg -24.42743889 EpRA 1990 1.75
EpDE 1990 1.53 E RAdeg 8.1 E DEdeg 9.7 Posflg D
Corr -0.3
SAO
SAO 190393 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.011 Vmag 8.3 SpType G5
Double code Source 70 CatNum 30105 DM CD-2416686
DMcomp BDsup HD 204608 M HD 0
GC 30105 RA1950rad 5.61785863 DE1950rad -0.43017988 PmRA2000 0.0018
PmDE2000 -0.014
Hipparcos
Catalog H HIP 106181 Proxy H RAhms 21 30 23.55
DEdms -24 25 38.8 Vmag 8.4 VarFlag R Vmag H
RAdeg 322.598 DEdeg -24.4274 AstroRef A Plx 3.32
CCDM 21304-2426 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 253 Rho 1.482 HD 204608 BD
CD CD-2416686 CP CP-24 7227 Dm number -2416686 VIred 0.91
SpType K0III R SpType Coord arcsec 2000 213023.55-242538.8
Hipparcos 2
HIP 106181 Sn 15 So 3 Nc 2
RArad 5.6303990828 DErad -0.4263391965 Plx 3.63 PmRA 8.75
PmDE -9.21 E RArad 1.12 E DErad 0.76 E Plx 1.34
E pmRA 1.25 E pmDE 0.75 Hpmag 8.557 E Hpmag 0.0017
SHp 0.014 VA 0 BV 1.6 E BV 0.495
VI 0.91
CCDM
Ccdm 21304-2426 RComp Comp A Note1
Note2 Discov num DRAs -0.38 DDEs 20.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp G5 PmNote *
PmRA 23 PmDE -12 Dm number -2416686 Cat1 CD
Name2 190393 Cat2 SAO HD 204608 M HD
ADS BDS A15023 M ADS BDS N IDS IDS 21246S2452A
HIC 106181
 
 
21304-2426 B
 
 
Coord arcsec 2000 213023.45-242539.3 Mag 10.55 PmRA 14.00 PmDE -9.0
Tycho2 6943-00202-2 Calc delta mag 1.89 Calc coord yes
Tycho2
Tycho2 6943-00202-2 Pflag P RAmdeg 322.59808089 DEmdeg -24.42747511
PmRA 13.7 PmDE -8.5 E RAmdeg 8 E DEmdeg 10
E pmRA 2.6 E pmDE 2.4 EpRAm 1991.59 EpDEm 1991.25
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.4 Q pmRA 1.5
Q pmDE 0.4 BTmag 11.147 E BTmag 0.056 VTmag 10.547
E VTmag 0.048 Prox 15 TYC HIP 106181
CCDM B RAdeg 322.59768000 DEdeg -24.42755333 EpRA 1990 1.75
EpDE 1990 1.51 E RAdeg 29.8 E DEdeg 37.3 Posflg D
Corr -0.3
CCDM
Ccdm 21304-2426 RComp Comp B Note1
Note2 Discov num SEE 448 DRAs DDEs
R dRAs Year 1897 Theta 252 Rho 1.4
Obs 6 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15023 M ADS BDS N IDS IDS 21246S2452B
HIC 106181
 
 
21304-2426 C
 
 
Coord arcsec 2000 213023.82-242515.6 Mag 15 PmRA 2.00 PmDE -2.0
Calc delta mag 6.34 Calc coord yes