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Doubles in session


Current system
21121+1038
BUP 226 BC


Nearby doubles
21' : 21131+1028
BU 1501

21' : 21107+1038
LEP 172

25' : 21123+1105
BPMA251

26' : 21138+1045
HJ 278

31' : 21130+1109
GWP3042

36' : 21110+1113
BPM2339

37' : 21140+1106
AG 415AB

42' : 21137+1115
BPM2345

43' : 21103+1008
KNT 5AB

51' : 21106+1126
BPM2337

52' : 21088+1047
WAK 12

52' : 21116+1133
LDS4869

54' : 21145+1000
STT 535AB

59' : 21088+1113
BPM2334

62' : 21142+1135
BPM2350

65' : 21084+1008
BU 9010AB

66' : 21139+1140
BPM2346

71' : 21110+0933
STF2765AB

72' : 21143+1145
BPM2351

78' : 21071+1042
J 2576

79' : 21164+1128
CVR 892

82' : 21087+1145
BPM2333

82' : 21086+0938
J 159

85' : 21118+1205
GRV 434

89' : 21101+0919
GWP3039

90' : 21181+1027
UC 4435



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 21121+1038 : COMPONENTS
 
 
  A B
B pa=351.6°
sep=184.90"
 
C pa=355.8°
sep=204.96"
pa=29.2°
sep=24.63"
 
 
21121+1038 A
 
 
Name HD 201876 Coord arcsec 2000 211207.58+103816.7 Mag 8.13 Spectral class F8 (yellow-white)
PmRA 172.00 PmDE 0.0 SAO 106909 HIP 104672
Tycho2 1109-01598-1 HD 201876 GC 29635 BD BD+10 4481
Tycho2
Tycho2 1109-01598-1 Pflag RAmdeg 318.03157372 DEmdeg 10.63799504
PmRA 171.3 PmDE 1.8 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.97 EpDEm 1990.82
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.735 E BTmag 0.020 VTmag 8.129
E VTmag 0.014 Prox 999 TYC T HIP 104672
CCDM RAdeg 318.03117250 DEdeg 10.63799111 EpRA 1990 1.70
EpDE 1990 1.73 E RAdeg 7.6 E DEdeg 8.2 Posflg
Corr 0.0
SAO
SAO 106909 DelFlag RA1950 PmRA1950 0.0137
DE1950 PmDE1950 0.016 Vmag 8.2 SpType F8
Double code Source 70 CatNum 29635 DM BD+10 4481
DMcomp BDsup HD 201876 M HD 0
GC 29635 RA1950rad 5.54009124 DE1950rad 0.18207563 PmRA2000 0.0138
PmDE2000 0.013
Hipparcos
Catalog H HIP 104672 Proxy RAhms 21 12 07.48
DEdms +10 38 16.8 Vmag 8.08 VarFlag R Vmag H
RAdeg 318.031 DEdeg 10.638 AstroRef Plx 12.56
CCDM 21121+1039 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 201876 BD BD+10 4481
CD CP Dm number +10 4481 VIred 0.63
SpType F8 R SpType Coord arcsec 2000 211207.48+103816.8
Hipparcos 2
HIP 104672 Sn 5 So 0 Nc 1
RArad 5.5506906871 DErad 0.1856679205 Plx 13.64 PmRA 171.44
PmDE -0.35 E RArad 0.59 E DErad 0.59 E Plx 0.75
E pmRA 0.85 E pmDE 0.65 Hpmag 8.199 E Hpmag 0.0015
SHp 0.012 VA 0 BV 0.56 E BV 0.015
VI 0.63
 
 
21121+1038 B
 
 
Coord arcsec 2000 211205.74+104119.6 Coord calc 211205.74+104119.6 Mag 10.08 Spectral class G5 (yellow)
PmRA -25.00 PmDE -40.0 Tycho2 1109-01584-1 DM BD+10 4480
Calc delta mag 1.95
Tycho2
Tycho2 1109-01584-1 Pflag RAmdeg 318.02395201 DEmdeg 10.68880215
PmRA -22.3 PmDE -40.3 E RAmdeg 29 E DEmdeg 28
E pmRA 1.6 E pmDE 1.5 EpRAm 1984.89 EpDEm 1982.74
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 10.907 E BTmag 0.069 VTmag 10.078
E VTmag 0.047 Prox 999 TYC T HIP
CCDM RAdeg 318.02400222 DEdeg 10.68889306 EpRA 1990 1.71
EpDE 1990 1.68 E RAdeg 33.8 E DEdeg 37.9 Posflg
Corr -0.1
 
 
21121+1038 C
 
 
Coord arcsec 2000 211206.55+104141.1 Mag 13.38 PmRA -2.00 PmDE 2.0
Calc delta mag 5.25 Calc coord yes