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Doubles in session


Current system
21198-2621
BU 271 AB
HD 202940


Nearby doubles
21' : 21188-2637
SEE 443

27' : 21181-2636
KPP 713

36' : 21179-2555
RST1086

39' : 21173-2601
UC 4428

56' : 21162-2651
RST2175

58' : 21200-2718
BU 252

59' : 21178-2714
STN 54

61' : 21229-2705
I 1441

66' : 21210-2725
UC 4451

69' : 21224-2523
TDT2932

73' : 21148-2555
HJ 3014

77' : 21242-2534
BU 1035

79' : 21157-2526
RST3281

84' : 21140-2650
RST2174

85' : 21212-2744
HDS3040

92' : 21257-2706
TDT2956

95' : 21166-2746
BRT3100

102' : 21215-2442
SEE 441AB

102' : 21125-2649
UC 4402

104' : 21140-2513
BRT3098

105' : 21127-2539
KPP1612

105' : 21136-2725
LDS5919

107' : 21244-2455
SPM 40

109' : 21136-2511
RST3278

113' : 21161-2802
LDS5920

114' : 21231-2806
HDS3047



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 21198-2621 : COMPONENTS
 
 
  A B C D
B pa=21.9°
sep=0.63"
 
C pa=64.4°
sep=129.35"
pa=64.6°
sep=128.89"
 
D pa=58.0°
sep=275.33"
pa=58.1°
sep=274.82"
pa=52.5°
sep=147.48"
 
E pa=29.4°
sep=175.26"
pa=29.5°
sep=174.64"
pa=342.5°
sep=101.53"
pa=272.7°
sep=147.67"
 
 
21198-2621 A
 
 
Name HD 202940 Coord arcsec 2000 211945.62-262110.3 Mag 6.73 Spectral class G5V (yellow)
PmRA -582.00 PmDE -358.0 SAO 190236 HIP 105312
Tycho2 6945-00785-1 HD 202940 HR 8148 GC 29832
CD CD-2615541 CP CP-26 7193
Tycho2
Tycho2 6945-00785-1 Pflag RAmdeg 319.94013585 DEmdeg -26.35286136
PmRA -568.3 PmDE -353.7 E RAmdeg 10 E DEmdeg 5
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.38 EpDEm 1991.55
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.3 BTmag 7.528 E BTmag 0.019 VTmag 6.727
E VTmag 0.013 Prox 19 TYC T HIP 105312
CCDM A RAdeg 319.94166306 DEdeg -26.35205583 EpRA 1990 1.34
EpDE 1990 1.80 E RAdeg 9.5 E DEdeg 5.3 Posflg
Corr 0.1
SAO
SAO 190236 DelFlag RA1950 PmRA1950 -0.0402
DE1950 PmDE1950 -0.352 Vmag 6.5 SpType G5
Double code Source 70 CatNum 29832 DM CD-2615541
DMcomp BDsup HD 202940 M HD 0
GC 29832 RA1950rad 5.57141758 DE1950rad -0.46355909 PmRA2000 -0.0401
PmDE2000 -0.357
Hipparcos
Catalog H HIP 105312 Proxy H RAhms 21 19 46.00
DEdms -26 21 07.2 Vmag 6.56 VarFlag R Vmag G
RAdeg 319.942 DEdeg -26.352 AstroRef A Plx 53.4
CCDM 21198-2621 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 270 Rho 1.914 HD 202940 BD
CD CD-2615541 CP CP-26 7193 Dm number -2615541 VIred 0.85
SpType G5V R SpType Coord arcsec 2000 211946.00-262107.2
Hipparcos 2
HIP 105312 Sn 17 So 3 Nc 2
RArad 5.5840357912 DErad -0.4599293602 Plx 55.65 PmRA -582.58
PmDE -358.93 E RArad 0.54 E DErad 0.42 E Plx 0.62
E pmRA 0.78 E pmDE 0.52 Hpmag 6.6973 E Hpmag 0.0011
SHp 0.009 VA 0 BV 0.737 E BV 0.018
VI 0.85
CCDM
Ccdm 21198-2621 RComp Comp A Note1
Note2 Discov num DRAs -2.28 DDEs -12.7
R dRAs 41 Year Theta Rho
Obs 5 Vmag 6.6 Sp G4 PmNote *
PmRA -537 PmDE -352 Dm number -2615541 Cat1 CD
Name2 190236 Cat2 SAO HD 202940 M HD
ADS BDS A14847 M ADS BDS N IDS IDS 21140S2646A
HIC 105312
 
 
21198-2621 B
 
 
Coord arcsec 2000 211945.64-262109.7 Mag 9.76 PmRA -541.00 PmDE -336.0
Calc delta mag 3.03 Calc coord yes
CCDM
Ccdm 21198-2621 RComp Comp B Note1
Note2 Discov num BU 271 DRAs DDEs
R dRAs Year 1959 Theta 255 Rho 3.2
Obs 99 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14847 M ADS BDS N IDS IDS 21140S2646B
HIC 105312
 
 
21198-2621 C
 
 
Coord arcsec 2000 211954.30-262014.5 Mag 14.35 PmRA 17.00 PmDE -15.0
Calc delta mag 7.62 Calc coord yes
CCDM
Ccdm 21198-2621 RComp Comp C Note1
Note2 Discov num BU 271 DRAs 7.34 DDEs 46.5
R dRAs 41 Year 1909 Theta 072 Rho 81.7
Obs 3 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14847 M ADS BDS N IDS IDS 21140S2646C
HIC
 
 
21198-2621 D
 
 
Coord arcsec 2000 212003.00-261844.6 Mag 12.15 PmRA -10.00 PmDE -29.0
Calc delta mag 5.42 Calc coord yes
CCDM
Ccdm 21198-2621 RComp Comp D Note1
Note2 Discov num BU 271 DRAs 17.04 DDEs 137.2
R dRAs 41 Year 1917 Theta 62 Rho 247.2
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14847 M ADS BDS N IDS IDS 21140S2646D
HIC
 
 
21198-2621 E
 
 
Coord arcsec 2000 211952.03-261837.7 Mag 13.82 PmRA -9.00 PmDE -7.0
Calc delta mag 7.09 Calc coord yes
CCDM
Ccdm 21198-2621 RComp Comp E Note1
Note2 Discov num BU 271 DRAs 8.82 DDEs 162.6
R dRAs 41 Year 1918 Theta 037 Rho 179.4
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14847 M ADS BDS N IDS IDS 21140S2646E
HIC