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Doubles in session


Current system
21258+3640
FYM 124 CD


Nearby doubles
14' : 21252+3629
CBL 93

17' : 21247+3631
ES 2126AB

19' : 21245+3632
ES 2125AB

21' : 21271+3627
SEI1517

30' : 21252+3708
SEI1513

30' : 21283+3640
CRB 142

32' : 21235+3627
TDT2940

32' : 21231+3647
ES 2124

33' : 21285+3636
ALI 443

33' : 21264+3712
SEI1514

34' : 21249+3711
TDS1126

38' : 21244+3607
TDS1125

41' : 21295+3635
ES 2128AB

42' : 21278+3715
SEI1518

43' : 21294+3640
CRB 16

48' : 21296+3625
ES 258AB

48' : 21238+3721
STFA 55AB

53' : 21268+3731
SEI1516AB

53' : 21215+3648
TDT2919

60' : 21305+3701
SEI1521AB

63' : 21243+3740
WSI 7

64' : 21215+3719
ROE 24AB

65' : 21241+3741
SEI1458

65' : 21311+3652
HJ 1653

65' : 21295+3728
SEI1519

66' : 21232+3543
ALI 218



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 21258+3640 : COMPONENTS
 
 
  A B C
B pa=23.3°
sep=33.13"
 
C pa=98.5°
sep=53.29"
pa=134.1°
sep=55.12"
 
D pa=94.9°
sep=68.42"
pa=123.3°
sep=65.94"
pa=82.3°
sep=15.62"
 
 
21258+3640 A
 
 
Name 69 Cyg Coord arcsec 2000 212547.02+364002.5 Mag 5.89 Spectral class B0Ib (blue-white)
PmRA 8.00 PmDE -10.0 SAO 71329 HIP 105811
Tycho2 2715-03977-1 HD 204172 HR 8209 GC 30016
BD BD+36 4557 Flamsteed 69 Cygni Flamsteed name 69 Cyg
Tycho2
Tycho2 2715-03977-1 Pflag RAmdeg 321.44593846 DEmdeg 36.66738536
PmRA 6.3 PmDE -9.0 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.48 EpDEm 1991.49
Num 19 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.2 BTmag 5.777 E BTmag 0.014 VTmag 5.893
E VTmag 0.009 Prox 333 TYC T HIP 105811
CCDM RAdeg 321.44592028 DEdeg 36.66740611 EpRA 1990 1.70
EpDE 1990 1.68 E RAdeg 3.3 E DEdeg 3.2 Posflg
Corr 0.2
SAO
SAO 71329 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.002 Vmag 5.8 SpType B0
Double code Source 70 CatNum 30016 DM BD+36 4557
DMcomp BDsup HD 204172 M HD 0
GC 30016 RA1950rad 5.60136202 DE1950rad 0.63618439 PmRA2000 0.0005
PmDE2000 -0.005
Hipparcos
Catalog H HIP 105811 Proxy RAhms 21 25 47.02
DEdms +36 40 02.7 Vmag 5.93 VarFlag 1 R Vmag H
RAdeg 321.446 DEdeg 36.6674 AstroRef Plx 1.18
CCDM 21258+3640 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 204172 BD BD+36 4557
CD CP Dm number +36 4557 VIred -0.12
SpType B0Ib R SpType Coord arcsec 2000 212547.02+364002.7
Hipparcos 2
HIP 105811 Sn 5 So 0 Nc 1
RArad 5.6102896255 DErad 0.6399669922 Plx 0.36 PmRA 7.49
PmDE -9.65 E RArad 0.23 E DErad 0.24 E Plx 0.39
E pmRA 0.25 E pmDE 0.29 Hpmag 5.8888 E Hpmag 0.0012
SHp 0.015 VA 2 BV 0.033 E BV 0.015
VI -0.12
CCDM
Ccdm 21258+3640 RComp Comp A Note1
Note2 Discov num DRAs -0.99 DDEs 2.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.8 Sp B0 PmNote *
PmRA 4 PmDE -4 Dm number +36 4557 Cat1 BD
Name2 +36 2193 Cat2 AGK2/3 HD 204172 M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614A
HIC 105811
 
 
21258+3640 B
 
 
Coord arcsec 2000 212548.11+364032.9 Mag 11.71 PmRA 5.00 PmDE 9.0
Calc delta mag 5.82 Calc coord yes
CCDM
Ccdm 21258+3640 RComp Comp B Note1
Note2 Discov num S 790 DRAs DDEs
R dRAs Year 1896 Theta 030 Rho 33.0
Obs 7 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614B
HIC
 
 
21258+3640 C
 
 
Coord arcsec 2000 212551.40+363954.6 Coord calc 212551.40+363954.6 Mag 10.22 Spectral class F6 (yellow-white)
PmRA -1.00 PmDE -16.0 Calc delta mag 4.33
CCDM
Ccdm 21258+3640 RComp Comp C Note1
Note2 Discov num S 790 DRAs 3.44 DDEs -5.7
R dRAs 10 Year 1896 Theta 098 Rho 54.0
Obs 9 Vmag 8.9 Sp PmNote *
PmRA 8 PmDE -23 Dm number Cat1
Name2 +36 2194 Cat2 AGK2/3 HD M HD
ADS BDS A14969 M ADS BDS N IDS IDS 21217N3614C
HIC
 
 
21258+3640 D
 
 
Coord arcsec 2000 212552.69+363956.7 Mag 13.9 PmRA -12.00 PmDE -13.0
Calc delta mag 8.01 Calc coord yes