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Doubles in session


Current system
20496+1233
BU 1495 AD


Nearby doubles
13' : 20502+1246
J 3277

13' : 20492+1243
GWP3001

19' : 20486+1223
BPM2273

20' : 20488+1248
GWP3000

23' : 20499+1255
HJ 1577

45' : 20471+1257
BPM2265

45' : 20519+1203
J 3245

46' : 20503+1317
BPM2279

48' : 20498+1321
HJ 1578

50' : 20496+1322
TDT2565

51' : 20523+1304
GRV 390

52' : 20524+1200
GWP3008

54' : 20460+1235
KPP 477

58' : 20497+1331
BPM2277

62' : 20484+1134
BPM2270

63' : 20523+1144
BPM2284

66' : 20457+1302
WFC 258

69' : 20450+1244
BU 64AB

69' : 20494+1124
J 194AB

71' : 20449+1219
STF2723AB

73' : 20541+1306
STF2734

74' : 20516+1340
TDT2583

77' : 20466+1334
GWP2996

77' : 20495+1116
UC 4301

77' : 20465+1131
BPM2258

78' : 20549+1236
BPM2292



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 20496+1233 : COMPONENTS
 
 
  A B C
B pa=18.3°
sep=51.92"
 
C pa=85.7°
sep=103.01"
pa=115.7°
sep=95.91"
 
D pa=275.9°
sep=185.16"
pa=261.4°
sep=202.70"
pa=272.3°
sep=287.11"
 
 
20496+1233 A
 
 
Coord arcsec 2000 204937.76+123242.4 Mag 6.04 Spectral class F5V (yellow-white) PmRA 53.00
PmDE 97.0 SAO 106536 HIP 102805 Tycho2 1098-01301-1
HD 198390 HR 7973 GC 29037 BD BD+12 4472
Flamsteed 15 Delphini Flamsteed name 15 Del
Tycho2
Tycho2 1098-01301-1 Pflag RAmdeg 312.40736875 DEmdeg 12.54512694
PmRA 54.6 PmDE 97.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.39 EpDEm 1991.19
Num 15 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 6.503 E BTmag 0.014 VTmag 6.042
E VTmag 0.009 Prox 999 TYC T HIP 102805
CCDM RAdeg 312.40723944 DEdeg 12.54489722 EpRA 1990 1.70
EpDE 1990 1.48 E RAdeg 3.5 E DEdeg 3.9 Posflg
Corr -0.1
SAO
SAO 106536 DelFlag RA1950 PmRA1950 0.0038
DE1950 PmDE1950 0.101 Vmag 6 SpType F5
Double code Source 70 CatNum 29037 DM BD+12 4472
DMcomp BDsup HD 198390 M HD 0
GC 29037 RA1950rad 5.44213663 DE1950rad 0.21567245 PmRA2000 0.0039
PmDE2000 0.098
Hipparcos
Catalog H HIP 102805 Proxy RAhms 20 49 37.74
DEdms +12 32 41.6 Vmag 6.01 VarFlag R Vmag G
RAdeg 312.407 DEdeg 12.5449 AstroRef Plx 33.81
CCDM 20496+1233 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 198390 BD BD+12 4472
CD CP Dm number +12 4472 VIred 0.49
SpType F5V R SpType Coord arcsec 2000 204937.74+123241.6
Hipparcos 2
HIP 102805 Sn 5 So 0 Nc 1
RArad 5.4525348155 DErad 0.2189496561 Plx 32.66 PmRA 52.94
PmDE 96.82 E RArad 0.28 E DErad 0.23 E Plx 0.41
E pmRA 0.38 E pmDE 0.23 Hpmag 6.0998 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.42 E BV 0
VI 0.49
CCDM
Ccdm 20496+1233 RComp Comp A Note1
Note2 Discov num DRAs 1.77 DDEs -16.5
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.0 Sp F5 PmNote *
PmRA 55 PmDE 118 Dm number +12 4472 Cat1 BD
Name2 +12 2395 Cat2 AGK2/3 HD 198390 M HD
ADS BDS M ADS BDS N IDS IDS 20449N1210A
HIC 102805
 
 
20496+1233 B
 
 
Coord arcsec 2000 204938.87+123331.7 Mag 14.1 PmRA 11.00 PmDE -20.0
Calc delta mag 8.06 Calc coord yes
CCDM
Ccdm 20496+1233 RComp Comp B Note1
Note2 Discov num BU DRAs DDEs
R dRAs Year 1901 Theta 021 Rho 65.8
Obs 1 Vmag 14.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20449N1210B
HIC
 
 
20496+1233 C
 
 
Coord arcsec 2000 204944.78+123250.1 Mag 11.07 PmRA 38.00 PmDE 21.0
Calc delta mag 5.03 Calc coord yes
CCDM
Ccdm 20496+1233 RComp Comp C Note1
Note2 Discov num BU DRAs DDEs
R dRAs Year 1890 Theta 082 Rho 108.0
Obs 4 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20449N1210C
HIC
 
 
20496+1233 D
 
 
Coord arcsec 2000 204925.18+123301.6 Mag 11.89 PmRA -8.00 PmDE -21.0
Calc delta mag 5.85 Calc coord yes
CCDM
Ccdm 20496+1233 RComp Comp D Note1
Note2 Discov num BU DRAs DDEs
R dRAs Year 1922 Theta 280 Rho 180.7
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20449N1210D
HIC