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Doubles in session


Current system
20448+2311
GII 291 Aa,Ab


Nearby doubles
9' : 20446+2319
POU4939AB

12' : 20440+2306
BRT2482

14' : 20458+2311
BRT2485

15' : 20439+2318
POU4929

20' : 20447+2330
POU4945

20' : 20452+2330
POU4953

20' : 20442+2329
POU4933

21' : 20446+2331
POU4938

21' : 20434+2318
POU4919

21' : 20454+2330
POU4955

22' : 20440+2253
GRV 374

22' : 20435+2323
POU4920

24' : 20452+2335
POU4952

24' : 20433+2300
HJ 1565

26' : 20460+2330
POU4966

31' : 20427+2322
POU4909

32' : 20427+2324
POU4908

33' : 20425+2310
LDS6416

34' : 20430+2334
POU4911

35' : 20447+2346
POU4944

36' : 20446+2347
POU4942

36' : 20466+2337
POU4981

37' : 20460+2343
POU4963AB

37' : 20463+2242
TDT2531

37' : 20459+2344
POU4962

38' : 20424+2327
POU4895



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 20448+2311 : COMPONENTS
 
 
  A Ab B
Ab pa=121.3°
sep=0.10"
 
B pa=140.1°
sep=2.20"
pa=141.0°
sep=2.10"
 
C pa=207.9°
sep=54.00"
pa=208.0°
sep=54.00"
pa=210.1°
sep=53.21"
 
 
20448+2311 A
 
 
Coord arcsec 2000 204449.24+231107.1 Mag 8.8 Spectral class A0 (white) PmRA 4.00
PmDE 0.0 SAO 89082 Tycho2 2170-01176-1 HD 347383
DM BD+22 4170
Tycho2
Tycho2 2170-01176-1 Pflag RAmdeg 311.20516949 DEmdeg 23.18533324
PmRA 3.9 PmDE 0.2 E RAmdeg 6 E DEmdeg 7
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.15 EpDEm 1990.76
Num 10 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.809 E BTmag 0.017 VTmag 8.803
E VTmag 0.014 Prox 545 TYC T HIP
CCDM RAdeg 311.20515972 DEdeg 23.18533306 EpRA 1990 1.71
EpDE 1990 1.62 E RAdeg 6.3 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 89082 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.001 Vmag 8.6 SpType A0
Double code Source 35 CatNum 7910 DM BD+22 4170
DMcomp BDsup HD 347383 M HD 0
GC RA1950rad 5.42193687 DE1950rad 0.40147713 PmRA2000 0.0007
PmDE2000 -0.002
CCDM
Ccdm 20448+2311 RComp Comp A Note1
Note2 Discov num DRAs 1.19 DDEs 8.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.8 Sp A0 PmNote *
PmRA -7 PmDE 15 Dm number +22 4170 Cat1 BD
Name2 +23 2113 Cat2 AGK2/3 HD M HD
ADS BDS A14235 M ADS BDS N IDS IDS 20404N2249A
HIC
 
 
20448+2311 Ab
 
 
Coord arcsec 2000 204449.25+231107.0 Mag 9.6 Calc coord yes
 
 
20448+2311 B
 
 
Coord arcsec 2000 204449.34+231105.4 Mag 12.9 Calc delta mag 3.3 Calc coord yes
CCDM
Ccdm 20448+2311 RComp Comp B Note1
Note2 Discov num BU 1302 DRAs DDEs
R dRAs Year 1901 Theta 139 Rho 2.2
Obs 2 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14235 M ADS BDS N IDS IDS 20404N2249B
HIC
 
 
20448+2311 C
 
 
Coord arcsec 2000 204447.41+231019.4 Mag 9.43 PmRA -21.00 PmDE -15.0
SAO 89081 Tycho2 2170-01888-1 HD 347384 DM BD+22 4169
Calc delta mag 0.17 Calc coord yes
Tycho2
Tycho2 2170-01888-1 Pflag RAmdeg 311.19698821 DEmdeg 23.17213046
PmRA -20.1 PmDE -15.3 E RAmdeg 11 E DEmdeg 12
E pmRA 0.9 E pmDE 0.9 EpRAm 1989.78 EpDEm 1988.76
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 9.939 E BTmag 0.024 VTmag 9.432
E VTmag 0.019 Prox 545 TYC T HIP
CCDM RAdeg 311.19703972 DEdeg 23.17216583 EpRA 1990 1.73
EpDE 1990 1.62 E RAdeg 11.1 E DEdeg 13.2 Posflg
Corr 0.0
SAO
SAO 89081 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.006 Vmag 8.9 SpType F5
Double code Source 35 CatNum 7909 DM BD+22 4169
DMcomp BDsup HD 347384 M HD 0
GC RA1950rad 5.42179975 DE1950rad 0.40125285 PmRA2000 -0.0011
PmDE2000 -0.009
CCDM
Ccdm 20448+2311 RComp Comp C Note1
Note2 Discov num BU 1302 DRAs -0.73 DDEs -40.0
R dRAs 10 Year 1949 Theta 209 Rho 53.6
Obs 2 Vmag 9.9 Sp PmNote *
PmRA -24 PmDE -12 Dm number +22 4169 Cat1 BD
Name2 +22 2210 Cat2 AGK2/3 HD M HD
ADS BDS A14235 M ADS BDS N IDS IDS 20404N2249C
HIC