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Doubles in session


Current system
20538+3723
SEI 1299 AB


Nearby doubles
10' : 20533+3731
TDT2606

15' : 20547+3714
TDT2625

15' : 20527+3728
SEI1288

18' : 20533+3740
SEI1294

18' : 20546+3709
SEI1307

19' : 20524+3724
SEI1287

20' : 20549+3709
COU2295

21' : 20544+3704
SEI1305

22' : 20547+3704
STT 419

22' : 20538+3702
SEI1300

25' : 20554+3708
SEI1314

27' : 20544+3658
TDT2623

28' : 20540+3751
TDT2614

29' : 20515+3717
SEI1282

30' : 20561+3731
SEI1322

32' : 20529+3752
TDT2600

32' : 20526+3655
A 1435

34' : 20565+3731
TDT2648

34' : 20521+3657
SEI1285

35' : 20510+3717
SEI1277

36' : 20552+3755
SEI1312

36' : 20526+3756
SEI1289

37' : 20544+3648
SEI1306

39' : 20535+3645
SEI1296

40' : 20528+3646
COU2221

40' : 20525+3759
ES 2516



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 20538+3723 : COMPONENTS
 
 
  A B
B pa=356.8°
sep=9.02"
 
C pa=294.6°
sep=21.60"
pa=270.0°
sep=19.14"
 
 
20538+3723 A
 
 
Coord arcsec 2000 205347.34+372308.2 Mag 9.04 Spectral class K0 (yellow-orange) PmRA -4.00
PmDE -10.0 HIP 103137 Tycho2 2700-02302-1 BD BD+36 4305
Tycho2
Tycho2 2700-02302-1 Pflag RAmdeg 313.44727901 DEmdeg 37.38561338
PmRA -3.9 PmDE -7.9 E RAmdeg 10 E DEmdeg 9
E pmRA 0.9 E pmDE 1.0 EpRAm 1989.58 EpDEm 1990.30
Num 15 Q RAmdeg 0.8 Q DEmdeg 1.7 Q pmRA 0.8
Q pmDE 1.7 BTmag 10.267 E BTmag 0.025 VTmag 9.035
E VTmag 0.014 Prox 90 TYC T HIP 103137
CCDM A RAdeg 313.44729056 DEdeg 37.38563194 EpRA 1990 1.60
EpDE 1990 1.69 E RAdeg 9.9 E DEdeg 9.3 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 103137 Proxy H RAhms 20 53 47.35
DEdms +37 23 08.3 Vmag 8.82 VarFlag R Vmag G
RAdeg 313.447 DEdeg 37.3856 AstroRef A Plx 2.09
CCDM 20538+3723 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 356 Rho 9.036 HD BD BD+36 4305
CD CP Dm number +36 4305 VIred 0.98
SpType K0 R SpType Coord arcsec 2000 205347.35+372308.3
Hipparcos 2
HIP 103137 Sn 15 So 3 Nc 2
RArad 5.4706872078 DErad 0.6525024322 Plx 3.19 PmRA -5.04
PmDE -6.7 E RArad 0.74 E DErad 0.84 E Plx 1.1
E pmRA 0.82 E pmDE 1.01 Hpmag 9.008 E Hpmag 0.0019
SHp 0.021 VA 0 BV 1 E BV 0.042
VI 0.98
CCDM
Ccdm 20538+3723 RComp Comp A Note1
Note2 Discov num DRAs -0.73 DDEs 8.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.4 Sp PmNote *
PmRA -21 PmDE -5 Dm number +36 4305 Cat1 BD
Name2 +37 2047 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20499N3701A
HIC 103137
 
 
20538+3723 B
 
 
Coord arcsec 2000 205347.30+372317.2 Mag 11.65 PmRA -5.00 PmDE -6.0
Tycho2 2700-02302-2 Calc delta mag 2.61 Calc coord yes
Tycho2
Tycho2 2700-02302-2 Pflag RAmdeg 313.44701196 DEmdeg 37.38810681
PmRA -5.5 PmDE -5.8 E RAmdeg 53 E DEmdeg 51
E pmRA 1.5 E pmDE 1.4 EpRAm 1971.24 EpDEm 1970.41
Num 9 Q RAmdeg 1.4 Q DEmdeg 1.8 Q pmRA 1.4
Q pmDE 1.9 BTmag 12.120 E BTmag 0.112 VTmag 11.646
E VTmag 0.111 Prox 90 TYC HIP 103137
CCDM B RAdeg 313.44702639 DEdeg 37.38811556 EpRA 1990 1.60
EpDE 1990 1.69 E RAdeg 60.7 E DEdeg 60.0 Posflg
Corr 0.1
CCDM
Ccdm 20538+3723 RComp Comp B Note1
Note2 Discov num SEI1299 DRAs DDEs
R dRAs Year 1896 Theta 357 Rho 8.9
Obs 3 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 20499N3701B
HIC 103137
 
 
20538+3723 C
 
 
Coord arcsec 2000 205345.69+372317.2 Mag 11.6 Calc delta mag 2.56 Calc coord yes
CCDM
Ccdm 20538+3723 RComp Comp C Note1
Note2 Discov num SEI1301 DRAs DDEs
R dRAs Year 1896 Theta 291 Rho 26.2
Obs 1 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20499N3701B
HIC