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Doubles in session


Current system
18448+3736
BU 968 AB


Nearby doubles
4' : 18445+3733
ES 2482

21' : 18463+3745
ES 2484

21' : 18451+3756
ES 2020

22' : 18446+3715
UC 3660

42' : 18459+3657
COU1309

43' : 18483+3741
UC 3677

43' : 18452+3819
STF2393AB

45' : 18449+3651
ES 2483

49' : 18471+3656
COU1310

50' : 18432+3822
HDS2651

50' : 18466+3821
HU 1191

59' : 18475+3647
ES 2022

63' : 18454+3634
HDS2659

65' : 18397+3800
MET 86AB

66' : 18399+3806
HU 1190

71' : 18496+3818
AG 226

71' : 18402+3822
HDS2644

72' : 18496+3819
FYM 173

76' : 18419+3629
SLE 364

80' : 18466+3853
ES 2021AB

80' : 18453+3856
COU1608

81' : 18389+3658
ALI 378

82' : 18516+3739
ES 2025AB

82' : 18412+3627
TDT 993

86' : 18423+3616
A 1381

87' : 18520+3731
ES 2026AB



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 18448+3736 : COMPONENTS
 
 
  A B C D E
B pa=42.9°
sep=19.72"
 
C pa=0.0°
sep=0.00"
pa=254.5°
sep=54.10"
 
D pa=155.2°
sep=41.61"
pa=175.6°
sep=52.35"
pa=123.9°
sep=67.69"
 
E pa=303.9°
sep=52.66"
pa=284.6°
sep=59.07"
pa=350.3°
sep=29.77"
pa=317.6°
sep=90.83"
 
F pa=335.4°
sep=73.82"
pa=320.1°
sep=68.74"
pa=6.8°
sep=67.61"
pa=335.3°
sep=115.43"
pa=19.0°
sep=39.97"
 
 
18448+3736 A
 
 
Coord arcsec 2000 184446.36+373618.4 Mag 4.34 Spectral class F0IVv (yellow-white) PmRA 29.00
PmDE 27.0 SAO 67321 HIP 91971 Tycho2 3118-02080-1
HD 173648 HR 7056 GC 25676 BD BD+37 3222
Bayer Zeta 1 Lyrae Bayer name Zet1 Lyr Flamsteed 6 Lyrae Flamsteed name 6 Lyr
Tycho2
Tycho2 3118-02080-1 Pflag RAmdeg 281.19314347 DEmdeg 37.60511039
PmRA 24.8 PmDE 24.0 E RAmdeg 3 E DEmdeg 3
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.56 EpDEm 1991.51
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.3 BTmag 4.570 E BTmag 0.014 VTmag 4.342
E VTmag 0.009 Prox 437 TYC T HIP 91971
CCDM RAdeg 281.19307056 DEdeg 37.60505417 EpRA 1990 1.62
EpDE 1990 1.57 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr -0.1
SAO
SAO 67321 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 0.024 Vmag 4.3 SpType A3
Double code Source 70 CatNum 25676 DM BD+37 3222
DMcomp BDsup HD 173648 M HD 0
GC 25676 RA1950rad 4.90022559 DE1950rad 0.65540157 PmRA2000 0.0023
PmDE2000 0.024
Hipparcos
Catalog H HIP 91971 Proxy RAhms 18 44 46.34
DEdms +37 36 18.2 Vmag 4.34 VarFlag R Vmag H
RAdeg 281.193 DEdeg 37.605 AstroRef Plx 21.23
CCDM 18448+3736 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 173648 BD BD+37 3222
CD CP Dm number +37 3222 VIred 0.18
SpType Am R SpType Coord arcsec 2000 184446.34+373618.2
Hipparcos 2
HIP 91971 Sn 5 So 0 Nc 1
RArad 4.907744845 DErad 0.6563319405 Plx 20.89 PmRA 29.04
PmDE 27.03 E RArad 0.13 E DErad 0.14 E Plx 0.17
E pmRA 0.15 E pmDE 0.21 Hpmag 4.3992 E Hpmag 0.0005
SHp 0.005 VA 0 BV 0.192 E BV 0.01
VI 0.18
CCDM
Ccdm 18448+3736 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs 18.6
R dRAs 10 Year Theta Rho
Obs 5 Vmag 4.3 Sp A3 PmNote *
PmRA 23 PmDE 26 Dm number +37 3222 Cat1 BD
Name2 +37 1687 Cat2 AGK2/3 HD 173648 M HD
ADS BDS A11639 M ADS BDS N IDS IDS 18413N3730A
HIC 91971
 
 
18448+3736 B
 
 
Coord arcsec 2000 184447.49+373632.8 Mag 15.8 Calc delta mag 11.46 Calc coord yes
CCDM
Ccdm 18448+3736 RComp Comp B Note1
Note2 Discov num BU 968 DRAs DDEs
R dRAs Year 1934 Theta 050 Rho 25.5
Obs 3 Vmag 15.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11639 M ADS BDS N IDS IDS 18413N3730B
HIC
 
 
18448+3736 C
 
 
Coord arcsec 2000 184443.10+373618.4 Mag 13.3 Calc delta mag 8.96 Calc coord yes
CCDM
Ccdm 18448+3736 RComp Comp C Note1
Note2 Discov num BU 968 DRAs DDEs
R dRAs Year 1923 Theta 272 Rho 46.1
Obs 4 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11639 M ADS BDS N IDS IDS 18413N3730C
HIC
 
 
18448+3736 D
 
 
Coord arcsec 2000 184447.83+373540.6 Mag 5.62 PmRA 19.00 PmDE 21.0
SAO 67324 HIP 91973 Tycho2 3118-02081-1 HD 173649
HR 7057 GC 25678 BD BD+37 3223 Bayer Zeta 2 Lyrae
Bayer name Zet2 Lyr Flamsteed 7 Lyrae Flamsteed name 7 Lyr Calc delta mag 1.28
Calc coord yes
Tycho2
Tycho2 3118-02081-1 Pflag RAmdeg 281.20086114 DEmdeg 37.59461672
PmRA 19.7 PmDE 21.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.46 EpDEm 1991.45
Num 7 Q RAmdeg 0.5 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.2 BTmag 5.932 E BTmag 0.014 VTmag 5.621
E VTmag 0.009 Prox 437 TYC T HIP 91973
CCDM RAdeg 281.20080306 DEdeg 37.59456667 EpRA 1990 1.56
EpDE 1990 1.55 E RAdeg 3.5 E DEdeg 3.6 Posflg
Corr -0.1
SAO
SAO 67324 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.019 Vmag 5.9 SpType A3
Double code Source 70 CatNum 25678 DM BD+37 3223
DMcomp BDsup HD 173649 M HD 0
GC 25678 RA1950rad 4.90035941 DE1950rad 0.6552176 PmRA2000 0.0018
PmDE2000 0.019
Hipparcos
Catalog H HIP 91973 Proxy RAhms 18 44 48.19
DEdms +37 35 40.4 Vmag 5.73 VarFlag R Vmag G
RAdeg 281.201 DEdeg 37.5946 AstroRef Plx 21.72
CCDM 18448+3736 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 173649 BD BD+37 3223
CD CP Dm number +37 3223 VIred 0.32
SpType F0IVvar R SpType Coord arcsec 2000 184448.19+373540.4
Hipparcos 2
HIP 91973 Sn 5 So 0 Nc 1
RArad 4.9078796668 DErad 0.6561489333 Plx 20.97 PmRA 18.7
PmDE 20.98 E RArad 0.18 E DErad 0.21 E Plx 0.24
E pmRA 0.21 E pmDE 0.29 Hpmag 5.7902 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.285 E BV 0.009
VI 0.32
CCDM
Ccdm 18448+3736 RComp Comp D Note1
Note2 Discov num STF4038 DRAs 0.28 DDEs -19.6
R dRAs 10 Year 1835 Theta 150 Rho 43.7
Obs 14 Vmag 5.9 Sp A3 PmNote *
PmRA 29 PmDE 14 Dm number +37 3223 Cat1 BD
Name2 +37 1688 Cat2 AGK2/3 HD 173649 M HD
ADS BDS A11639 M ADS BDS N IDS IDS 18413N3730D
HIC 91973
 
 
18448+3736 E
 
 
Coord arcsec 2000 184442.68+373647.7 Mag 13.5 Calc delta mag 9.16 Calc coord yes
CCDM
Ccdm 18448+3736 RComp Comp E Note1
Note2 Discov num BU 968 DRAs DDEs
R dRAs Year 1960 Theta 301 Rho 61.8
Obs 5 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11639 M ADS BDS N IDS IDS 18413N3730E
HIC
 
 
18448+3736 F
 
 
Coord arcsec 2000 184443.78+373725.5 Mag 13.7 Calc delta mag 9.36 Calc coord yes