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Doubles in session


Current system
21538+6237
PET 13 Aa,Ab


Nearby doubles
2' : 21540+6237
PET 14

3' : 21534+6235
STI1068

5' : 21538+6241
PET 12

7' : 21546+6234
PET 15

23' : 21552+6217
TDT3239

23' : 21514+6251
LDS5933

24' : 21569+6242
ES 145AB

25' : 21520+6258
MLB 178

28' : 21564+6216
HU 973

31' : 21523+6306
STF2845AB

33' : 21521+6206
KR 56

39' : 21549+6159
OSO 161AB

41' : 21481+6230
ES 1858AB

45' : 21474+6245
WIS 354

48' : 21492+6312
HEI 290

48' : 22007+6229
KUI 110

51' : 22009+6250
HU 976

53' : 21464+6250
STI1049

53' : 21470+6214
STI1050

54' : 21544+6330
STI1071

54' : 21478+6203
HU 971AB

57' : 21490+6323
MLB 177

57' : 21599+6200
STI1079

58' : 21466+6305
KPP4247

59' : 21502+6144
TDT3186

60' : 21576+6144
MLR 63



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 21538+6237 : COMPONENTS
 
 
  A Ab B C D
Ab pa=196.0°
sep=0.09"
 
B pa=145.0°
sep=62.40"
pa=144.9°
sep=62.35"
 
C pa=278.0°
sep=20.83"
pa=278.2°
sep=20.82"
pa=313.7°
sep=78.12"
 
D pa=128.0°
sep=54.81"
pa=128.0°
sep=54.78"
pa=23.0°
sep=18.83"
pa=119.9°
sep=73.59"
 
E pa=278.9°
sep=21.42"
pa=279.2°
sep=21.41"
pa=313.7°
sep=78.80"
pa=309.0°
sep=0.68"
pa=300.0°
sep=74.27"
 
 
21538+6237 A
 
 
Var name EM Cep Coord arcsec 2000 215348.11+623651.9 Mag 7.07 Spectral class B1V (blue-white)
PmRA -3.00 PmDE -1.0 SAO 19718 HIP 108073
Tycho2 4266-02575-1 HD 208392 GC 30671 BD BD+61 2216
Tycho2
Tycho2 4266-02575-1 Pflag RAmdeg 328.45041883 DEmdeg 62.61442316
PmRA -4.8 PmDE -2.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.33 EpDEm 1991.44
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 7.259 E BTmag 0.015 VTmag 7.068
E VTmag 0.010 Prox 625 TYC T HIP 108073
CCDM RAdeg 328.45044333 DEdeg 62.61442806 EpRA 1990 1.55
EpDE 1990 1.63 E RAdeg 4.2 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 19718 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 0.017 Vmag 7.1 SpType B3
Double code Source 70 CatNum 30671 DM BD+61 2216
DMcomp BDsup HD 208392 M HD 0
GC 30671 RA1950rad 5.72626835 DE1950rad 1.08869985 PmRA2000 -0.0007
PmDE2000 0.012
Hipparcos
Catalog H HIP 108073 Proxy RAhms 21 53 48.11
DEdms +62 36 51.9 Vmag 7.01 VarFlag 2 R Vmag H
RAdeg 328.45 DEdeg 62.6144 AstroRef Plx 1.39
CCDM 21538+6237 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 208392 BD BD+61 2216
CD CP Dm number +61 2216 VIred 0.29
SpType B1IV: R SpType Coord arcsec 2000 215348.11+623651.9
Hipparcos 2
HIP 108073 Sn 5 So 0 Nc 1
RArad 5.732541689 DErad 1.0928279617 Plx 2.03 PmRA -2.52
PmDE -0.88 E RArad 0.52 E DErad 0.45 E Plx 0.54
E pmRA 0.6 E pmDE 0.47 Hpmag 7.0762 E Hpmag 0.0055
SHp 0.047 VA 1 BV 0.259 E BV 0.003
VI 0.29
CCDM
Ccdm 21538+6237 RComp Comp A Note1
Note2 Discov num DRAs 0.09 DDEs -8.9
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.1 Sp B3 PmNote *
PmRA -14 PmDE -14 Dm number +61 2216 Cat1 BD
Name2 +62 1287 Cat2 AGK2/3 HD 208392 M HD
ADS BDS A15434 M ADS BDS N IDS IDS 21509N6208A
HIC 108073
 
 
21538+6237 Ab
 
 
Coord arcsec 2000 215348.11+623651.8 Calc delta mag 7.03 Calc coord yes
 
 
21538+6237 B
 
 
Coord arcsec 2000 215353.30+623600.8 Coord calc 215353.30+623600.8 Mag 7.07 Spectral class B1V (blue-white)
PmRA -3.00 PmDE -1.0 SAO 19719 HIP 108080
Tycho2 4266-01263-1 HD 208440 BD BD+61 2217 Calc delta mag 0.04
Tycho2
Tycho2 4266-01263-1 Pflag RAmdeg 328.47209566 DEmdeg 62.60021310
PmRA -0.8 PmDE -1.4 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.44 EpDEm 1991.48
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 7.953 E BTmag 0.016 VTmag 7.907
E VTmag 0.012 Prox 625 TYC T HIP 108080
CCDM RAdeg 328.47209944 DEdeg 62.60021611 EpRA 1990 1.61
EpDE 1990 1.65 E RAdeg 5.2 E DEdeg 5.4 Posflg
Corr -0.1
SAO
SAO 19719 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 0 Vmag 8 SpType B8
Double code Source 2 CatNum 1288 DM BD+61 2217
DMcomp BDsup HD 208440 M HD 0
GC RA1950rad 5.72663589 DE1950rad 1.08844696 PmRA2000 -0.0017
PmDE2000 -0.005
Hipparcos
Catalog H HIP 108080 Proxy RAhms 21 53 53.30
DEdms +62 36 00.8 Vmag 7.94 VarFlag R Vmag H
RAdeg 328.472 DEdeg 62.6002 AstroRef Plx 0.45
CCDM 21538+6237 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208440 BD BD+61 2217
CD CP Dm number +61 2217 VIred 0.06
SpType B1V R SpType Coord arcsec 2000 215353.30+623600.8
Hipparcos 2
HIP 108080 Sn 5 So 0 Nc 1
RArad 5.7329195359 DErad 1.0925798228 Plx 1.22 PmRA -3.82
PmDE -1.71 E RArad 0.44 E DErad 0.4 E Plx 0.48
E pmRA 0.54 E pmDE 0.43 Hpmag 7.9594 E Hpmag 0.0011
SHp 0.012 VA 0 BV 0.025 E BV 0.011
VI 0.04
CCDM
Ccdm 21538+6237 RComp Comp B Note1
Note2 Discov num S 800 DRAs 5.40 DDEs -58.8
R dRAs 10 Year 1824 Theta 146 Rho 62.6
Obs 9 Vmag 8.8 Sp B8 PmNote *
PmRA 5 PmDE 10 Dm number +61 2217 Cat1 BD
Name2 +62 1288 Cat2 AGK2/3 HD 208440 M HD
ADS BDS A15434 M ADS BDS N IDS IDS 21509N6208B
HIC 108080
 
 
21538+6237 C
 
 
Coord arcsec 2000 215345.12+623654.8 Coord calc 215345.12+623654.8 Mag 11.82 Spectral class A2 (white)
PmRA 13.00 PmDE -7.0 Calc delta mag 4.79
 
 
21538+6237 D
 
 
Coord arcsec 2000 215354.37+623618.1 Mag 12 PmRA 6.00 PmDE -3.0
Calc delta mag 4.97 Calc coord yes
 
 
21538+6237 E
 
 
Coord arcsec 2000 215345.04+623655.2 Calc delta mag 7.03 Calc coord yes