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Doubles in session


Current system
22218+6642
STF 2903
HD 212391


Nearby doubles
15' : 22194+6640
NSN 799

15' : 22193+6640
LDS4958

17' : 22210+6658
STT 470AB

30' : 22240+6709
MLB 313

31' : 22242+6615
TDT3508

36' : 22178+6709
TDT3451

45' : 22172+6608
ARY 71

52' : 22281+6719
MLB 314

54' : 22293+6614
HJ 1778

55' : 22138+6710
HDS3156

62' : 22168+6549
MLR 84

64' : 22115+6703
MLB1099

69' : 22314+6606
LDS4975

73' : 22331+6710
MLB1101

73' : 22307+6732
BU 704AB

80' : 22215+6802
HU 1316

85' : 22327+6737
MLB 272

86' : 22091+6726
KPP1811

91' : 22339+6550
HU 983

95' : 22312+6528
MLB 229

96' : 22090+6743
HJ 1742

102' : 22301+6812
BU 479

103' : 22121+6518
TDT3400

106' : 22214+6828
OSO 177AB

106' : 22207+6828
MLB 312AB

107' : 22159+6823
OSW 58



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.

22218+6642 STF 2903 (HD 212391)

 
 
22h 21m 45.20s +66° 42' 22.6" P.A. 97.00 sep 4.1 mag 7.13,7.80 Sp A7V+G0III dist. 268.82 pc (876.89 l.y.)
 
 
Coord 2000 22218+6642 Discov num STF2903 Comp Coord arcsec 2000 22 21 45.20 +66 42 22.6
Date first 1823 Date last 2017 Obs 77
Pa first 93 Pa last 96.8 P.A. Now (θ) 96.8°
Sep first 3.7 Sep last 4.093 Sep. Now (ρ) 4.093"
Mag pri 7.13 Mag sec 7.80 delta mag (ΔM) 0.67 Spectral class A7V+G0III (white/yellow)
Pri motion ra +029 Sec motion ra +029
Pri motion dec +008 Sec motion dec +008
Notes Y (Parallax indicates components are non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 212391 Constellation Cepheus SAO 20034 HIP 110405
Tycho2 4276-01056-1 Gaia DR2 2218829827953841792 HD 212391 GC 31281
BD BD+65 1759 Distance 268.82 Distance ly 876.89
 
 
WDS 22218+6642 STF 2903 (HD 212391) : 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
22218+6642 STF2903 2007 66 99 4.2 7.13 7.80 A7V+G0III D 222145.20+664222.6
22218+6642 STF2903 2008 70 96 4.2 7.13 7.80 A7V+G0III D 222145.20+664222.6
22218+6642 STF2903 2011 72 95 4.1 7.13 7.80 A7V G0III D 222145.20+664222.6
22218+6642 STF2903 2014 73 98 4.1 7.13 7.80 A7V+G0III 222145.20+664222.6
22218+6642 STF2903 2017 73 97 4.1 7.13 7.80 A7V+G0III 222145.20+664222.6

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

 
 
WDS 22218+6642 STF 2903 (HD 212391) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/08/25 daedalus1 mean difficulty separated 97   Seeing: Pickering 6, good. Measures: theta 097, rho 4.2 +/- 0.076

 
 
WDS 22218+6642 STF 2903 (HD 212391) : MEASURES
 
 
No records found.

 
 
WDS 22218+6642 (HD 212391) : VIRTUAL EYEPIECE
 
 

22218+6642 STF2903A mag 7.13 Sp A7V 22218+6642 STF2903B sep 1.7 P.A. 106.80 mag 7.8 Sp G0III 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 22218+6642 (HD 212391) : ALADIN DSS IMAGE @ 22h 21m 45.20s +66° 42' 22.6"
 
 
 
 
WDS 22218+6642 STF 2903 (HD 212391) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22218+6642 STF2903 distance=0' 22194+6640 NSN 799 distance=15' 22193+6640 LDS4958 distance=15' 22210+6658 STT 470AB distance=17' 22240+6709 MLB 313 distance=30' 22242+6615 TDT3508 distance=31' 22178+6709 TDT3451 distance=36' 22172+6608 ARY 71 distance=45' 22281+6719 MLB 314 distance=52' 22293+6614 HJ 1778 distance=54' 22138+6710 HDS3156 distance=55' 22168+6549 MLR 84 distance=62' 22115+6703 MLB1099 distance=64' 22314+6606 LDS4975 distance=69' 22331+6710 MLB1101 distance=73' 22307+6732 BU 704AB distance=73' 22307+6732 BU 704AC distance=73' 22307+6732 FOX 268AD distance=73' 22215+6802 HU 1316 distance=80' 22327+6737 MLB 272 distance=85' 22091+6726 KPP1811 distance=86' 22339+6550 HU 983 distance=91' 22312+6528 MLB 229 distance=95' 22090+6743 HJ 1742 distance=96' 22301+6812 BU 479 distance=102' 22121+6518 TDT3400 distance=103' 22214+6828 OSO 177AB distance=106' 22214+6828 OSO 177AC distance=106' 22214+6828 OSO 177AD distance=106' 22207+6828 MLB 312AB distance=106' 22207+6828 MLB 312AC distance=106' 22159+6823 OSW 58 distance=107' 22400+6650 MLB 273 distance=110' 22038+6710 TDS1155 distance=110' 22225+6453 MLB 227 distance=110' 22207+6832 DAM 244 distance=110' 22236+6453 MLB 228 distance=111' 22048+6735 MLB 369 distance=111' 22102+6811 MLB 370AB distance=111' 22102+6811 MLR 104AC distance=111' 22103+6812 MLB1097 distance=112' 22145+6825 OSW 60 distance=112' 22247+6451 MLR 77 distance=113' 22201+6835 MLB 432 distance=113' 22066+6754 MLB 311 distance=114' 22067+6534 HDS3140 distance=115' 22029+6716 MLB1096 distance=116' 22058+6539 NI 44 distance=116' 22128+6829 HJ 1747AB distance=119' 22128+6829 HJ 1747AC distance=119' 22128+6829 ABH 161AD distance=119' 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 22218+6642 STF2903 97 4.1
Show 22194+6640 NSN 799 14 20.7 15
Show 22193+6640 LDS4958 192 21.5 15
Show 22210+6658 STT 470 AB 351 4.3 17
Show 22240+6709 MLB 313 205 6.4 30
Show 22242+6615 TDT3508 175 0.4 31
Show 22178+6709 TDT3451 326 0.6 36
Show 22172+6608 ARY 71 40 77.9 45
Show 22281+6719 MLB 314 165 4.5 52
Show 22293+6614 HJ 1778 304 6.2 54
Show 22138+6710 HDS3156 9 0.7 55
Show 22168+6549 MLR 84 347 0.2 62
Show 22115+6703 MLB1099 213 11.3 64
Show 22314+6606 LDS4975 312 71.8 69
Show 22331+6710 MLB1101 152 11.6 73
Show 22307+6732 BU 704 AB 205 2.4 73
Show 22307+6732 BU 704 AC 290 47.7 73
Show 22307+6732 FOX 268 AD 163 61.5 73
Show 22215+6802 HU 1316 44 1.7 80
Show 22327+6737 MLB 272 273 4.1 85
Show 22091+6726 KPP1811 296 14.1 86
Show 22339+6550 HU 983 153 0.1 91
Show 22312+6528 MLB 229 179 4.8 95
Show 22090+6743 HJ 1742 334 22.9 96
Show 22301+6812 BU 479 27 2.4 102
Show 22121+6518 TDT3400 104 0.6 103
Show 22214+6828 OSO 177 AB 179 15.6 106
Show 22214+6828 OSO 177 AC 336 16.0 106
Show 22214+6828 OSO 177 AD 142 21.6 106
Show 22207+6828 MLB 312 AB 8 5.2 106
Show 22207+6828 MLB 312 AC 300 39.6 106
Show 22159+6823 OSW 58 160 172.8 107
Show 22400+6650 MLB 273 203 8.4 110
Show 22038+6710 TDS1155 75 0.9 110
Show 22225+6453 MLB 227 209 10.7 110
Show 22207+6832 DAM 244 134 8.0 110
Show 22236+6453 MLB 228 215 7.9 111
Show 22048+6735 MLB 369 105 6.7 111
Show 22102+6811 MLB 370 AB 247 3.7 111
Show 22102+6811 MLR 104 AC 48 12.2 111
Show 22103+6812 MLB1097 8 13.4 112
Show 22145+6825 OSW 60 304 89.3 112
Show 22247+6451 MLR 77 173 1.1 113
Show 22201+6835 MLB 432 203 2.3 113
Show 22066+6754 MLB 311 197 3.2 114
Show 22067+6534 HDS3140 4 0.1 115
Show 22029+6716 MLB1096 312 18.5 116
Show 22058+6539 NI 44 138 6.8 116
Show 22128+6829 HJ 1747 AB 85 12.9 119
Show 22128+6829 HJ 1747 AC 213 18.7 119
Show 22128+6829 ABH 161 AD 122 35.4 119

 
 
WDS 22218+6642 : COMPONENTS
 
 
  A
B pa=106.8°
sep=1.68"
 
 
22218+6642 A
 
 
Componente originario normalizzato AB Name HD 212391 Coord arcsec 2000 222145.20+664222.6 Mag 7.13
Spectral class A7V (white) PmRA 29.00 PmDE 8.0 SAO 20034
HIP 110405 Tycho2 4276-01056-1 HD 212391 GC 31281
BD BD+65 1759
Tycho2
Tycho2 4276-01056-1 Pflag RAmdeg 335.43831364 DEmdeg 66.70627150
PmRA 14.0 PmDE 8.6 E RAmdeg 6 E DEmdeg 5
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.41 EpDEm 1991.74
Num 3 Q RAmdeg 2.5 Q DEmdeg 0.2 Q pmRA 2.5
Q pmDE 0.2 BTmag 8.253 E BTmag 0.016 VTmag 7.132
E VTmag 0.011 Prox 42 TYC T HIP 110405
CCDM A RAdeg 335.43823000 DEdeg 66.70625194 EpRA 1990 1.51
EpDE 1990 1.80 E RAdeg 5.8 E DEdeg 4.6 Posflg
Corr 0.0
SAO
SAO 20034 DelFlag RA1950 PmRA1950 0.0054
DE1950 PmDE1950 0.013 Vmag 7.2 SpType F5
Double code Source 70 CatNum 31281 DM BD+65 1759
DMcomp A BDsup HD 212391 M HD 0
GC 31281 RA1950rad 5.84799628 DE1950rad 1.15983014 PmRA2000 0.0057
PmDE2000 0.007
Hipparcos
Catalog H HIP 110405 Proxy H RAhms 22 21 45.17
DEdms +66 42 22.5 Vmag 6.62 VarFlag R Vmag G
RAdeg 335.438 DEdeg 66.7062 AstroRef A Plx 4.39
CCDM 22218+6642 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 96 Rho 4.166 HD 212391 BD BD+65 1759
CD CP Dm number +65 1759 VIred 0.73
SpType G5III+... R SpType Coord arcsec 2000 222145.17+664222.5
Hipparcos 2
HIP 110405 Sn 15 So 3 Nc 2
RArad 5.8545015145 DErad 1.1642436522 Plx 3.72 PmRA 30.39
PmDE 6.04 E RArad 0.63 E DErad 0.59 E Plx 0.72
E pmRA 0.69 E pmDE 0.75 Hpmag 6.7381 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.667 E BV 0.015
VI 0.73
CCDM
Ccdm 22218+6642 RComp Comp A Note1
Note2 Discov num DRAs -2.80 DDEs 22.2
R dRAs 22 Year Theta Rho
Obs 2 Vmag 6.7 Sp F5 PmNote *
PmRA 33 PmDE 13 Dm number +65 1759 Cat1 BD
Name2 20034 Cat2 SAO HD 212391 M HD
ADS BDS A15881 M ADS BDS N IDS IDS 22188N6612A
HIC 110405
 
 
22218+6642 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 222145.47+664222.1 Mag 7.8 Spectral class G0III (yellow)
PmRA 29.00 PmDE 8.0 Calc delta mag 0.67 Calc coord yes
CCDM
Ccdm 22218+6642 RComp Comp B Note1
Note2 Discov num STF2903 DRAs -2.06 DDEs 21.7
R dRAs 22 Year 1832 Theta 096 Rho 4.3
Obs 99 Vmag 6.7 Sp A2 PmNote *
PmRA 27 PmDE 1 Dm number Cat1
Name2 20035 Cat2 SAO HD 212392 M HD
ADS BDS A15881 M ADS BDS N N IDS IDS 22188N6612B
HIC 110405