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Doubles in session


Current system
21389+3623
STF 2814
HD 206112


Nearby doubles
15' : 21380+3613
TDT3068

23' : 21370+3628
GRV 484

24' : 21407+3612
ES 2130

27' : 21400+3605
ES 2129

28' : 21367+3624
HLD 46

29' : 21396+3650
SEI1530

33' : 21395+3551
COU1335

34' : 21382+3655
TDT3069

35' : 21385+3549
TDT3076

41' : 21385+3543
CRB 143

44' : 21402+3703
SEI1531

44' : 21421+3602
ALI 220

51' : 21431+3622
GRV 497

52' : 21376+3712
ES 2065

55' : 21345+3635
TDT3037

56' : 21353+3549
GRV 479

61' : 21405+3720
ES 2067

63' : 21340+3605
TDT3034

70' : 21382+3514
SEI1528

77' : 21436+3715
TDS1143

77' : 21412+3735
TDT3109

78' : 21446+3548
TDT3130

78' : 21378+3739
SEI1527AB

78' : 21442+3538
TDT3126

82' : 21339+3530
TDT3033

83' : 21410+3504
HO 164AB



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.

21389+3623 STF 2814 (HD 206112)

 
 
21h 38m 56.31s +36° 22' 53.0" P.A. 160.00 sep 8.1 mag 8.77,9.87 Sp F0 dist. 392.16 pc (1279.23 l.y.)
 
 
Coord 2000 21389+3623 Discov num STF2814 Comp Coord arcsec 2000 21 38 56.31 +36 22 53.0
Date first 1825 Date last 2018 Obs 39
Pa first 162 Pa last 159.8 P.A. Now (θ) 159.8°
Sep first 8.2 Sep last 8.143 Sep. Now (ρ) 8.143"
Mag pri 8.77 Mag sec 9.87 delta mag (ΔM) 1.1 Spectral class F0 (yellow-white)
Pri motion ra -006 Sec motion ra -007
Pri motion dec -014 Sec motion dec -015
Notes
rPM=0.085 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206112 Constellation Cygnus SAO 71558 HIP 106883
Tycho2 2729-00134-1 Gaia DR2 1951125547189652864 HD 206112 GC 30310
BD BD+35 4599 Distance 392.16 Distance ly 1279.23
 
 
WDS 21389+3623 STF 2814 (HD 206112) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21389+3623 STF2814 2004 28 160 7.9 8.77 9.87 F0 D 213856.31+362253.0
21389+3623 STF2814 2010 31 158 7.5 8.77 9.87 F0 213856.31+362253.0
21389+3623 STF2814 2016 32 160 7.9 8.77 9.87 F0 213856.31+362253.0
21389+3623 STF2814 2017 34 161 8.3 8.77 9.87 F0 213856.31+362253.0
21389+3623 STF2814 2018 38 160 8.1 8.77 9.87 F0 213856.31+362253.0

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21389+3623 STF 2814 (HD 206112) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21389+3623 STF 2814 (HD 206112) : MEASURES
 
 
No records found.

 
 
WDS 21389+3623 (HD 206112) : VIRTUAL EYEPIECE
 
 

21389+3623 STF2814A mag 8.77 Sp F0 21389+3623 STF2814B sep 8.0 P.A. 163.50 mag 9.87 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21389+3623 (HD 206112) : ALADIN DSS IMAGE @ 21h 38m 56.31s +36° 22' 53.0"
 
 
 
 
WDS 21389+3623 STF 2814 (HD 206112) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21389+3623 STF2814 distance=0' 21380+3613 TDT3068 distance=15' 21370+3628 GRV 484 distance=23' 21407+3612 ES 2130 distance=24' 21400+3605 ES 2129 distance=27' 21367+3624 HLD 46 distance=28' 21396+3650 SEI1530 distance=29' 21395+3551 COU1335 distance=33' 21382+3655 TDT3069 distance=34' 21385+3549 TDT3076 distance=35' 21419+3612 COU1336BD distance=35' 21419+3612 ES 2131AC distance=36' 21385+3543 CRB 143 distance=41' 21402+3703 SEI1531 distance=44' 21421+3602 ALI 220 distance=44' 21431+3622 GRV 497 distance=51' 21376+3712 ES 2065 distance=52' 21345+3635 TDT3037 distance=55' 21353+3549 GRV 479 distance=56' 21405+3720 ES 2067 distance=61' 21340+3605 TDT3034 distance=63' 21382+3514 SEI1528 distance=70' 21436+3715 TDS1143 distance=77' 21412+3735 TDT3109 distance=77' 21446+3548 TDT3130 distance=78' 21378+3739 SEI1527AB distance=78' 21378+3739 MBR 1AC distance=78' 21442+3538 TDT3126 distance=78' 21339+3530 TDT3033 distance=82' 21410+3504 HO 164AB distance=83' 21410+3504 HO 164AC distance=83' 21328+3546 SEI1524 distance=84' 21460+3626 HDS3100 distance=86' 21429+3734 ES 2521AB distance=86' 21429+3734 ES 2521AC distance=86' 21398+3749 A 1444 distance=88' 21463+3623 ALI 221 distance=90' 21337+3728 SEI1526 distance=90' 21349+3505 GRV 478 distance=92' 21331+3726 SEI1525 distance=94' 21438+3742 TDT3122 distance=99' 21311+3652 HJ 1653 distance=99' 21461+3534 COU1337 distance=101' 21358+3755 GRV 482 distance=101' 21316+3535 TDS1132 distance=101' 21410+3445 TDT3107 distance=102' 21460+3530 GRV 501 distance=102' 21356+3446 COU1481 distance=105' 21384+3808 TDT3073 distance=105' 21408+3806 TDS1140 distance=106' 21360+3803 GRV 483 distance=107' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21389+3623 STF2814 160 8.1
Show 21380+3613 TDT3068 344 0.5 15
Show 21370+3628 GRV 484 216 66.1 23
Show 21407+3612 ES 2130 120 3.2 24
Show 21400+3605 ES 2129 131 5.1 27
Show 21367+3624 HLD 46 198 1.7 28
Show 21396+3650 SEI1530 160 19.9 29
Show 21395+3551 COU1335 295 0.5 33
Show 21382+3655 TDT3069 148 0.5 34
Show 21385+3549 TDT3076 84 2.2 35
Show 21419+3612 COU1336 BD 178 1.5 35
Show 21419+3612 ES 2131 AC 216 7.4 36
Show 21385+3543 CRB 143 69 19.0 41
Show 21402+3703 SEI1531 20 2.9 44
Show 21421+3602 ALI 220 266 8.2 44
Show 21431+3622 GRV 497 228 35.1 51
Show 21376+3712 ES 2065 4 3.9 52
Show 21345+3635 TDT3037 273 1.9 55
Show 21353+3549 GRV 479 117 52.1 56
Show 21405+3720 ES 2067 227 6.8 61
Show 21340+3605 TDT3034 125 0.6 63
Show 21382+3514 SEI1528 64 22.0 70
Show 21436+3715 TDS1143 180 0.9 77
Show 21412+3735 TDT3109 59 0.6 77
Show 21446+3548 TDT3130 95 0.5 78
Show 21378+3739 SEI1527 AB 332 25.5 78
Show 21378+3739 MBR 1 AC 89 14.5 78
Show 21442+3538 TDT3126 340 0.8 78
Show 21339+3530 TDT3033 150 0.6 82
Show 21410+3504 HO 164 AB 71 4.6 83
Show 21410+3504 HO 164 AC 240 28.4 83
Show 21328+3546 SEI1524 130 24.8 84
Show 21460+3626 HDS3100 189 0.5 86
Show 21429+3734 ES 2521 AB 200 8.2 86
Show 21429+3734 ES 2521 AC 93 16.5 86
Show 21398+3749 A 1444 82 1.1 88
Show 21463+3623 ALI 221 99 8.2 90
Show 21337+3728 SEI1526 160 25.3 90
Show 21349+3505 GRV 478 134 28.6 92
Show 21331+3726 SEI1525 100 15.0 94
Show 21438+3742 TDT3122 280 0.6 99
Show 21311+3652 HJ 1653 195 19.5 99
Show 21461+3534 COU1337 110 0.3 101
Show 21358+3755 GRV 482 188 49.3 101
Show 21316+3535 TDS1132 306 1.4 101
Show 21410+3445 TDT3107 244 1.9 102
Show 21460+3530 GRV 501 154 24.5 102
Show 21356+3446 COU1481 178 0.5 105
Show 21384+3808 TDT3073 334 1.1 105
Show 21408+3806 TDS1140 191 1.0 106
Show 21360+3803 GRV 483 237 21.8 107

 
 
WDS 21389+3623 : COMPONENTS
 
 
  A
B pa=163.5°
sep=7.97"
 
 
21389+3623 A
 
 
Componente originario normalizzato AB Name HD 206112 Coord arcsec 2000 213856.31+362253.0 Mag 8.77
Spectral class F0 (yellow-white) PmRA -6.00 PmDE -14.0 SAO 71558
HIP 106883 Tycho2 2729-00134-1 HD 206112 GC 30310
BD BD+35 4599
Tycho2
Tycho2 2729-00134-1 Pflag RAmdeg 324.73463318 DEmdeg 36.38140027
PmRA -6.5 PmDE -15.1 E RAmdeg 6 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.23 EpDEm 1991.43
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.4 BTmag 9.079 E BTmag 0.015 VTmag 8.773
E VTmag 0.012 Prox 79 TYC T HIP 106883
CCDM A RAdeg 324.73465222 DEdeg 36.38143528 EpRA 1990 1.55
EpDE 1990 1.65 E RAdeg 6.0 E DEdeg 5.4 Posflg
Corr 0.1
SAO
SAO 71558 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.012 Vmag 8.2 SpType F0
Double code Source 70 CatNum 30310 DM BD+35 4599
DMcomp BDsup HD 206112 M HD 0
GC 30310 RA1950rad 5.6585796 DE1950rad 0.63102943 PmRA2000 0.0004
PmDE2000 0.009
Hipparcos
Catalog H HIP 106883 Proxy H RAhms 21 38 56.32
DEdms +36 22 53.2 Vmag 8.49 VarFlag R Vmag H
RAdeg 324.735 DEdeg 36.3814 AstroRef A Plx 4.4
CCDM 21389+3623 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 160 Rho 7.932 HD 206112 BD BD+35 4599
CD CP Dm number +35 4599 VIred 0.37
SpType F0... R SpType Coord arcsec 2000 213856.32+362253.2
Hipparcos 2
HIP 106883 Sn 15 So 3 Nc 2
RArad 5.6676888874 DErad 0.6349758859 Plx 2.55 PmRA -7.33
PmDE -11.13 E RArad 0.68 E DErad 0.75 E Plx 1.25
E pmRA 0.76 E pmDE 0.9 Hpmag 8.5688 E Hpmag 0.0013
SHp 0.019 VA 0 BV 0.318 E BV 0.015
VI 0.37
CCDM
Ccdm 21389+3623 RComp Comp A Note1
Note2 Discov num DRAs 2.37 DDEs -8.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp F0 PmNote *
PmRA 5 PmDE -30 Dm number +35 4599 Cat1 BD
Name2 +36 2221 Cat2 AGK2/3 HD 206112 M HD
ADS BDS A15173 M ADS BDS N IDS IDS 21348N3555A
HIC 106883
 
 
21389+3623 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213856.50+362245.4 Mag 9.87 PmRA -7.00
PmDE -15.0 Tycho2 2729-02470-1 Calc delta mag 1.1 Calc coord yes
Tycho2
Tycho2 2729-02470-1 Pflag RAmdeg 324.73556553 DEmdeg 36.37934812
PmRA -10.1 PmDE -12.0 E RAmdeg 14 E DEmdeg 15
E pmRA 1.6 E pmDE 1.6 EpRAm 1990.63 EpDEm 1990.47
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.4
Q pmDE 1.3 BTmag 10.213 E BTmag 0.025 VTmag 9.872
E VTmag 0.025 Prox 79 TYC T HIP 106883
CCDM B RAdeg 324.73559500 DEdeg 36.37937611 EpRA 1990 1.63
EpDE 1990 1.61 E RAdeg 14.4 E DEdeg 14.7 Posflg
Corr -0.2
CCDM
Ccdm 21389+3623 RComp Comp B Note1
Note2 Discov num STF2814 DRAs DDEs
R dRAs Year 1831 Theta 161 Rho 7.8
Obs 11 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15173 M ADS BDS N IDS IDS 21348N3555B
HIC 106883