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Doubles in session


Current system
18498+3249
H 5 40 AB


Nearby doubles
14' : 18493+3301
ES 2287AB

16' : 18499+3233
HO 440

26' : 18506+3313
TAR 3AB

27' : 18476+3248
COU1154

28' : 18495+3316
STF2407

32' : 18497+3223
J 131

33' : 18488+3319
HJ 1349AB

34' : 18501+3322
STFA 39AB
Sheliak

35' : 18473+3302
TDS 945

37' : 18469+3254
KPP4121

38' : 18494+3324
J 765

39' : 18527+3301
BAR 46AB

46' : 18523+3321
ES 2233AB

47' : 18461+3242
SEI 575

47' : 18533+3302
POP 192

50' : 18536+3303
HL 9001AB

51' : 18537+3256
ITF 165

55' : 18491+3343
UC 3682

56' : 18466+3210
HU 935

60' : 18545+3243
TDT1122

60' : 18462+3328
COU1152

61' : 18457+3218
SEI 574

61' : 18501+3149
A 256AB

65' : 18543+3221
KPP4127

65' : 18447+3237
LDS4797

65' : 18546+3311
ES 2234



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 18498+3249 : COMPONENTS
 
 
  A B C D E
B pa=76.1°
sep=33.70"
 
C pa=120.4°
sep=57.73"
pa=155.4°
sep=41.02"
 
D pa=138.3°
sep=60.03"
pa=172.3°
sep=53.43"
pa=212.3°
sep=18.51"
 
E pa=350.0°
sep=80.00"
pa=326.6°
sep=84.67"
pa=329.5°
sep=125.36"
pa=336.5°
sep=134.83"
 
F pa=348.9°
sep=70.54"
pa=322.9°
sep=76.68"
pa=327.2°
sep=117.06"
pa=334.9°
sep=125.99"
pa=178.1°
sep=9.56"
 
 
18498+3249 A
 
 
Coord arcsec 2000 184945.91+324846.2 Mag 5.89 Spectral class B3IV (blue-white) PmRA 2.00
PmDE -4.0 SAO 86481 HIP 92398 Tycho2 2642-02931-1
HD 174585 HR 7100 GC 25837 BD BD+32 3227
Bayer Nu 1 Lyrae Bayer name Nu1 Lyr Flamsteed 8 Lyrae Flamsteed name 8 Lyr
Tycho2
Tycho2 2642-02931-1 Pflag RAmdeg 282.44130828 DEmdeg 32.81282215
PmRA 2.0 PmDE -4.3 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.34 EpDEm 1991.43
Num 14 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.7 BTmag 5.721 E BTmag 0.014 VTmag 5.889
E VTmag 0.009 Prox 999 TYC T HIP 92398
CCDM RAdeg 282.44130250 DEdeg 32.81283250 EpRA 1990 1.49
EpDE 1990 1.58 E RAdeg 3.4 E DEdeg 3.3 Posflg
Corr 0.0
SAO
SAO 86481 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.032 Vmag 6.9 SpType A2
Double code Source 70 CatNum 25838 DM BD+26 3368
DMcomp BDsup HD 174549 M HD 0
GC 25838 RA1950rad 4.92142305 DE1950rad 0.46017194 PmRA2000 0.0002
PmDE2000 0.031
Hipparcos
Catalog H HIP 92398 Proxy RAhms 18 49 45.91
DEdms +32 48 46.2 Vmag 5.93 VarFlag R Vmag H
RAdeg 282.441 DEdeg 32.8128 AstroRef Plx 3.23
CCDM 1.87 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+32 3227
CD CP Dm number +32 3227 VIred -0.16
SpType B3IV R SpType Coord arcsec 2000 184945.91+324846.2
Hipparcos 2
HIP 92398 Sn 5 So 0 Nc 1
RArad 4.9295306798 DErad 0.5726919761 Plx 2.49 PmRA 2.32
PmDE -3.87 E RArad 0.17 E DErad 0.25 E Plx 0.24
E pmRA 0.17 E pmDE 0.3 Hpmag E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.154 E BV 0.004
VI -0.15
CCDM
Ccdm 18498+3249 RComp Comp A Note1
Note2 Discov num DRAs -2.21 DDEs -13.7
R dRAs 10 Year Theta Rho
Obs 4 Vmag 5.8 Sp B2 PmNote *
PmRA -23 PmDE 3 Dm number +32 3227 Cat1 BD
Name2 +32 1674 Cat2 AGK2/3 HD 174585 M HD
ADS BDS A11732 M ADS BDS N IDS IDS 18460N3242A
HIC 92398
 
 
18498+3249 B
 
 
Coord arcsec 2000 184948.50+324854.3 Mag 13 PmRA -7.00 PmDE -33.0
Delta magnitude 7.11 Coordinate calculated yes
CCDM
Ccdm 18498+3249 RComp Comp B Note1
Note2 Discov num H 40 DRAs DDEs
R dRAs Year 1924 Theta 073 Rho 34.8
Obs 4 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11732 M ADS BDS N N IDS IDS 18460N3242B
HIC
 
 
18498+3249 C
 
 
Coord arcsec 2000 184949.86+324817.0 Coord calc 184949.86+324817.0 Mag 11.2 Spectral class G0V (yellow)
PmRA 2.00 PmDE 10.0 Delta magnitude 5.31
CCDM
Ccdm 18498+3249 RComp Comp C Note1
Note2 Discov num H 40 DRAs DDEs
R dRAs Year 1854 Theta 122 Rho 58.7
Obs 7 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11732 M ADS BDS N IDS IDS 18460N3242C
HIC
 
 
18498+3249 D
 
 
Coord arcsec 2000 184949.08+324801.4 Mag 13.2 Delta magnitude 7.31 Coordinate calculated yes
CCDM
Ccdm 18498+3249 RComp C Comp D Note1
Note2 Discov num H 40 DRAs DDEs
R dRAs Year 1879 Theta 213 Rho 18.1
Obs 2 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11732 M ADS BDS N IDS IDS 18460N3242D
HIC
 
 
18498+3249 E
 
 
Coord arcsec 2000 184944.81+325005.0 Mag 11.64 Delta magnitude 5.75 Coordinate calculated yes
 
 
18498+3249 F
 
 
Coord arcsec 2000 184944.83+324955.4 Mag 12.92 PmRA 1.00 PmDE -3.0
Delta magnitude 7.03 Coordinate calculated yes