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Doubles in session


Current system
20001+1731
H 4 100 BC


Nearby doubles
4' : 20002+1733
SLE 675

7' : 20000+1736
SMR 7

7' : 20001+1737
S 730AB

8' : 20006+1727
BPM1923

11' : 20004+1720
SLE 676

13' : 19596+1720
BPM1912

23' : 19586+1734
TDT1892

24' : 20010+1751
BPM1925

27' : 20003+1757
HU 352AB

28' : 20017+1746
BPM1935

30' : 20017+1748
SLE 677

30' : 19582+1719
BPM1889

31' : 19584+1713
BPM1890

32' : 19591+1758
BRT1331

34' : 20006+1657
BPM1921

35' : 20020+1707
BPM1941

36' : 20024+1744
BPM1947AB

37' : 20017+1759
BPM1934

39' : 19575+1739
BPM1867

39' : 20020+1702
BPM1942

41' : 19594+1809
BPM1909

41' : 19573+1729
BPMA219

42' : 20028+1747
BPM1953

45' : 19573+1713
BPM1858

46' : 20033+1736
BPM1962

47' : 20009+1815
J 502AB



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 20001+1731 : COMPONENTS
 
 
  A B C D
B pa=255.6°
sep=24.08"
 
C pa=296.2°
sep=113.72"
pa=305.6°
sep=96.75"
 
D pa=283.1°
sep=117.28"
pa=289.7°
sep=96.57"
pa=207.3°
sep=26.70"
 
E pa=296.8°
sep=69.62"
pa=313.9°
sep=53.89"
pa=115.4°
sep=44.11"
pa=84.8°
sep=52.29"
 
 
20001+1731 A
 
 
Name 13 Sge Var name VZ Sge Coord arcsec 2000 200010.43+173009.1 Mag 9.96
Spectral class K0 (yellow-orange) PmRA 6.00 PmDE -3.0 Flamsteed 13 Sagittae
Flamsteed name 13 Sge
CCDM
Ccdm 20001+1731 RComp Comp A Note1
Note2 Discov num DRAs -2.65 DDEs -0.8
R dRAs 65 Year Theta Rho
Obs 6 Vmag 5.6 Sp M2 PmNote *
PmRA 15 PmDE -14 Dm number +17 4183 Cat1 BD
Name2 +17 2113 Cat2 AGK2/3 HD 189577 M HD
ADS BDS A13230 M ADS BDS N N IDS IDS 19555N1715A
HIC 98438
 
 
20001+1731 B
 
 
Coord arcsec 2000 200008.80+173003.1 Coord calc 200008.80+173003.1 Mag 10.12 Spectral class K0 (yellow-orange)
PmRA 3.00 PmDE -8.0 Calc delta mag 0.16
CCDM
Ccdm 20001+1731 RComp Comp B Note1
Note2 Discov num H 100 DRAs DDEs
R dRAs Year 1924 Theta 256 Rho 7.5
Obs 1 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 19556N1714D
HIC 98438
 
 
20001+1731 C
 
 
Coord arcsec 2000 200003.30+173059.4 Coord calc 200003.30+173059.4 Mag 5.57 Spectral class M4IIIa (red)
PmRA 2.00 PmDE -12.0 SAO 105522 HIP 98438
Tycho2 1621-02189-1 HD 189577 HR 7645 GC 27711
BD BD+17 4183 Flamsteed 13 Sagittae Flamsteed name 13 Sge Calc delta mag 4.39
Tycho2
Tycho2 1621-02189-1 Pflag RAmdeg 300.01378930 DEmdeg 17.51651179
PmRA 2.9 PmDE -11.8 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.34 EpDEm 1991.29
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.4 BTmag 7.433 E BTmag 0.015 VTmag 5.574
E VTmag 0.009 Prox 967 TYC T HIP 98438
CCDM RAdeg 300.01378250 DEdeg 17.51653917 EpRA 1990 1.68
EpDE 1990 1.65 E RAdeg 3.6 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 105522 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.01 Vmag 5.6 SpType Mb
Double code Source 70 CatNum 27711 DM BD+17 4183
DMcomp BDsup HD 189577 M HD 0
GC 27711 RA1950rad 5.22637082 DE1950rad 0.30331413 PmRA2000 0.0003
PmDE2000 -0.011
Hipparcos
Catalog H HIP 98438 Proxy RAhms 20 00 03.31
DEdms +17 30 59.5 Vmag 5.33 VarFlag 2 R Vmag H
RAdeg 300.014 DEdeg 17.5165 AstroRef Plx 4.37
CCDM 20001+1731 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 189577 BD BD+17 4183
CD CP Dm number +17 4183 VIred 2.72
SpType M4IIIa R SpType Coord arcsec 2000 200003.31+173059.5
Hipparcos 2
HIP 98438 Sn 5 So 0 Nc 1
RArad 5.2362282758 DErad 0.3057213056 Plx 3.2 PmRA 1.75
PmDE -12.41 E RArad 0.19 E DErad 0.2 E Plx 0.31
E pmRA 0.27 E pmDE 0.3 Hpmag 5.3258 E Hpmag 0.0064
SHp 0.066 VA 2 BV 1.576 E BV 0.01
VI 2.61
CCDM
Ccdm 20001+1731 RComp Comp C Note1
Note2 Discov num BU DRAs -4.28 DDEs -31.2
R dRAs 65 Year 1934 Theta 208 Rho 28.6
Obs 4 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13230 M ADS BDS N IDS IDS 19555N1715B
HIC
 
 
20001+1731 D
 
 
Coord arcsec 2000 200002.44+173035.7 Mag 13.4 Calc delta mag 3.44 Calc coord yes
CCDM
Ccdm 20001+1731 RComp Comp D Note1
Note2 Discov num H 100 DRAs 4.40 DDEs -50.7
R dRAs 65 Year 1904 Theta 117 Rho 114.0
Obs 2 Vmag 10.3 Sp K PmNote *
PmRA -13 PmDE -16 Dm number +17 4186 Cat1 BD
Name2 +17 2117 Cat2 AGK2/3 HD M HD
ADS BDS B 9800 M ADS BDS N IDS IDS 19556N1714A
HIC
 
 
20001+1731 E
 
 
Coord arcsec 2000 200006.08+173040.5 Mag 12.99 PmRA -15.00 PmDE -6.0
Calc delta mag 3.03 Calc coord yes
CCDM
Ccdm 20001+1731 RComp D Comp E Note1
Note2 Discov num H 100 DRAs 2.82 DDEs -56.5
R dRAs 65 Year 1904 Theta 256 Rho 23.8
Obs 2 Vmag 10.3 Sp PmNote *
PmRA -4 PmDE 15 Dm number +17 4184 Cat1 BD
Name2 +17 2116 Cat2 AGK2/3 HD M HD
ADS BDS B 9800 M ADS BDS N N IDS IDS 19556N1714B
HIC