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Doubles in session


Current system
23074+7040
STF 2984 AB
HD 218535


Nearby doubles
21' : 23101+7026
MLB 437

26' : 23107+7020
RAO 679

26' : 23126+7038
MLB 438

30' : 23094+7012
A 786

35' : 23088+7006
HJ 1851

37' : 23005+7053
TDT3837

42' : 22590+7046
HJ 3158

44' : 23028+7116
LDS2022

45' : 22599+7016
SKF2745AB

52' : 23036+7128
TDT3863

59' : 23188+7025
HDS3320

61' : 23138+7132
LDS2030

62' : 23185+7014
LDS2034

65' : 23156+6950
MLB 318AB

67' : 22586+6950
A 785

72' : 22551+7006
LDS2015

72' : 22557+7123
TDT3790

74' : 23084+7153
MLB 436

87' : 22511+7114
TDT3749

89' : 23234+7121
TDT4013

93' : 23016+6912
OL 224

93' : 22510+6958
MLB 433

94' : 23262+7041
BU 386AB

98' : 23225+7145
WFC 241

101' : 23138+6904
A 787

103' : 23213+6927
LDS5078



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.

23074+7040 STF 2984 AB (HD 218535)

 
 
23h 07m 22.27s +70° 39' 39.5" P.A. 295.00 sep 4.8 mag 7.63,9.82 Sp G8III dist. 293.26 pc (956.61 l.y.)
 
 
Coord 2000 23074+7040 Discov num STF2984 Comp AB Coord arcsec 2000 23 07 22.27 +70 39 39.5
Date first 1831 Date last 2016 Obs 28
Pa first 295 Pa last 294.5 P.A. Now (θ) 294.5°
Sep first 8.0 Sep last 4.793 Sep. Now (ρ) 4.793"
Mag pri 7.63 Mag sec 9.82 delta mag (ΔM) 2.19 Spectral class G8III (yellow)
Pri motion ra +041 Sec motion ra +041
Pri motion dec -021 Sec motion dec -021
Notes
Nature of this double is uncertain.
 
 
23074+7040 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 218535 10623 23 07 22 +70 39 40 STF 2984 AB 2016 28 295 4.8 7.63 9.82 2.19 <===
Show 10623 23 07 22 +70 39 40 STF 2984 AC 2000 2 81 74.2 7.63 13.10 5.47
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 218535 Constellation Cepheus SAO 10623 HIP 114180
Tycho2 4481-01609-1 Gaia DR2 2227384165858348672 HD 218535 GC 32223
BD BD+69 1307 Distance 293.26 Distance ly 956.61
 
 
WDS 23074+7040 STF 2984 AB (HD 218535) : 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
23074+7040 STF2984 AB 2000 22 293 4.6 7.63 9.82 G8III D 230722.27+703939.5
23074+7040 STF2984 AB 2010 23 294 4.3 7.63 9.82 G8III D 230722.27+703939.5
23074+7040 STF2984 AB 2016 25 295 4.8 7.63 9.82 G8III 230722.27+703939.5

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

 
 
WDS 23074+7040 STF 2984 AB (HD 218535) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23074+7040 STF 2984 AB (HD 218535) : MEASURES
 
 
No records found.

 
 
WDS 23074+7040 (HD 218535) : VIRTUAL EYEPIECE
 
 

23074+7040 STF2984A mag 7.63 Sp G8III 23074+7040 STF2984B sep 2.5 P.A. 324.00 mag 9.82 23074+7040 STF2984C sep 26.7 P.A. 65.50 mag 13.1 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 23074+7040 (HD 218535) : ALADIN DSS IMAGE @ 23h 07m 22.27s +70° 39' 39.5"
 
 
 
 
WDS 23074+7040 STF 2984 AB (HD 218535) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23074+7040 STF2984AB distance=0' 23101+7026 MLB 437 distance=21' 23107+7020 RAO 679 distance=26' 23126+7038 MLB 438 distance=26' 23094+7012 A 786 distance=30' 23088+7006 HJ 1851 distance=35' 23005+7053 TDT3837 distance=37' 22590+7046 HJ 3158 distance=42' 23028+7116 LDS2022 distance=44' 22599+7016 SKF2745AB distance=45' 22599+7016 SKF2745AC distance=45' 23036+7128 TDT3863 distance=52' 23188+7025 HDS3320 distance=59' 23138+7132 LDS2030 distance=61' 23185+7014 LDS2034 distance=62' 23156+6950 MLB 318AB distance=65' 23156+6950 MLB 318AC distance=65' 22586+6950 A 785 distance=67' 22551+7006 LDS2015 distance=72' 22557+7123 TDT3790 distance=72' 23084+7153 MLB 436 distance=74' 22511+7114 TDT3749 distance=87' 23234+7121 TDT4013 distance=89' 23016+6912 OL 224 distance=93' 22510+6958 MLB 433 distance=93' 23262+7041 BU 386AB distance=94' 23262+7041 BU 386AC distance=94' 23225+7145 WFC 241 distance=98' 23138+6904 A 787 distance=101' 23213+6927 LDS5078 distance=103' 22502+7141 TDT3738 distance=104' 22503+7145 TDT3739 distance=106' 23045+7225 LDS2025 distance=107' 22589+6902 GIC 186 distance=108' 22520+6925 HJ 1829 distance=109' 23270+7135 TDT4039 distance=111' 23053+7231 HJ 3167 distance=113' 23244+6917 A 789 distance=121' 23245+7209 LDS2039 distance=121' 22500+7209 HDS3242 distance=122' 23095+6826 FAL 75 distance=135' 23204+7240 MLR 272 distance=136' 23096+6822 KPP4303 distance=138' 22562+7250 STT 484AB distance=141' 22562+7250 S 820AB,D distance=141' 22562+7250 STT 484AB,C distance=141' 22562+7250 STF2965DE distance=142' 23132+7307 LDS2028 distance=151' 22512+6835 TDT3750 distance=151' 23012+7310 LDS2021 distance=154' 22490+6834 STF2947BC distance=158' 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 23074+7040 STF2984 AB 295 4.8
Show 23074+7040 STF2984 AC 81 74.2
Show 23101+7026 MLB 437 138 4.3 21
Show 23107+7020 RAO 679 39 0.8 26
Show 23126+7038 MLB 438 44 2.8 26
Show 23094+7012 A 786 155 1.9 30
Show 23088+7006 HJ 1851 342 3.4 35
Show 23005+7053 TDT3837 24 2.2 37
Show 22590+7046 HJ 3158 211 1.0 42
Show 23028+7116 LDS2022 4 37.9 44
Show 22599+7016 SKF2745 AB 258 4.9 45
Show 22599+7016 SKF2745 AC 184 14.8 45
Show 23036+7128 TDT3863 177 2.4 52
Show 23188+7025 HDS3320 307 1.0 59
Show 23138+7132 LDS2030 93 2.7 61
Show 23185+7014 LDS2034 209 4.0 62
Show 23156+6950 MLB 318 AB 245 3.2 65
Show 23156+6950 MLB 318 AC 237 9.8 65
Show 22586+6950 A 785 29 1.3 67
Show 22551+7006 LDS2015 276 27.5 72
Show 22557+7123 TDT3790 137 0.5 72
Show 23084+7153 MLB 436 24 6.1 74
Show 22511+7114 TDT3749 31 1.5 87
Show 23234+7121 TDT4013 165 1.6 89
Show 23016+6912 OL 224 48 6.9 93
Show 22510+6958 MLB 433 208 3.0 93
Show 23262+7041 BU 386 AB 313 19.7 94
Show 23262+7041 BU 386 AC 205 51.0 94
Show 23225+7145 WFC 241 273 5.3 98
Show 23138+6904 A 787 17 2.8 101
Show 23213+6927 LDS5078 180 28.7 103
Show 22502+7141 TDT3738 336 0.5 104
Show 22503+7145 TDT3739 325 0.7 106
Show 23045+7225 LDS2025 174 78.2 107
Show 22589+6902 GIC 186 233 21.5 108
Show 22520+6925 HJ 1829 354 12.8 109
Show 23270+7135 TDT4039 147 0.5 111
Show 23053+7231 HJ 3167 124 10.2 113
Show 23244+6917 A 789 85 2.2 121
Show 23245+7209 LDS2039 272 8.0 121
Show 22500+7209 HDS3242 92 0.2 122
Show 23095+6826 FAL 75 307 8.7 135
Show 23204+7240 MLR 272 234 0.7 136
Show 23096+6822 KPP4303 339 16.7 138
Show 22562+7250 STT 484 AB 101 0.4 141
Show 22562+7250 S 820 AB,D 280 119.2 141
Show 22562+7250 STT 484 AB,C 257 30.7 141
Show 22562+7250 STF2965 DE 220 2.9 142
Show 23132+7307 LDS2028 37 2.0 151
Show 22512+6835 TDT3750 227 1.2 151
Show 23012+7310 LDS2021 63 84.4 154

 
 
WDS 23074+7040 : COMPONENTS
 
 
  A B
B pa=324.0°
sep=2.46"
 
C pa=65.5°
sep=26.71"
pa=70.5°
sep=27.31"
 
 
23074+7040 A
 
 
Name HD 218535 Coord arcsec 2000 230722.27+703939.5 Mag 7.63 Spectral class G8III (yellow)
PmRA 41.00 PmDE -21.0 SAO 10623 HIP 114180
Tycho2 4481-01609-1 HD 218535 GC 32223 BD BD+69 1307
Tycho2
Tycho2 4481-01609-1 Pflag RAmdeg 346.84309577 DEmdeg 70.66091205
PmRA 41.6 PmDE -22.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.34 EpDEm 1991.45
Num 10 Q RAmdeg 2.0 Q DEmdeg 1.0 Q pmRA 2.1
Q pmDE 1.0 BTmag 8.917 E BTmag 0.016 VTmag 7.633
E VTmag 0.010 Prox 45 TYC T HIP 114180
CCDM A RAdeg 346.84280833 DEdeg 70.66096417 EpRA 1990 1.76
EpDE 1990 1.76 E RAdeg 4.7 E DEdeg 5.1 Posflg
Corr 0.1
SAO
SAO 10623 DelFlag RA1950 PmRA1950 0.0073
DE1950 PmDE1950 -0.012 Vmag 7.6 SpType K0
Double code Source 70 CatNum 32223 DM BD+69 1307
DMcomp BDsup HD 218535 M HD 0
GC 32223 RA1950rad 6.04552211 DE1950rad 1.22854553 PmRA2000 0.0076
PmDE2000 -0.019
Hipparcos
Catalog H HIP 114180 Proxy H RAhms 23 07 22.27
DEdms +70 39 39.5 Vmag 7.4 VarFlag R Vmag H
RAdeg 346.843 DEdeg 70.661 AstroRef A Plx 3.66
CCDM 23074+7040 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 293 Rho 4.528 HD 218535 BD BD+69 1307
CD CP Dm number +69 1307 VIred 1.05
SpType K0... R SpType Coord arcsec 2000 230722.27+703939.5
Hipparcos 2
HIP 114180 Sn 15 So 3 Nc 2
RArad 6.0535487137 DErad 1.2332665165 Plx 3.41 PmRA 40.45
PmDE -20.6 E RArad 0.49 E DErad 0.44 E Plx 0.59
E pmRA 0.61 E pmDE 0.5 Hpmag 7.5644 E Hpmag 0.0011
SHp 0.01 VA 0 BV 1.081 E BV 0.014
VI 1.04
CCDM
Ccdm 23074+7040 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs -21.1
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.7 Sp K0 PmNote *
PmRA 44 PmDE -19 Dm number +69 1307 Cat1 BD
Name2 +70 813 Cat2 AGK2/3 HD 218535 M HD
ADS BDS A16525 M ADS BDS N IDS IDS 23037N7007A
HIC 114180
 
 
23074+7040 B
 
 
Coord arcsec 2000 230721.98+703941.5 Mag 9.82 PmRA 41.00 PmDE -21.0
Calc delta mag 2.19 Calc coord yes
CCDM
Ccdm 23074+7040 RComp Comp B Note1
Note2 Discov num STF2984 DRAs DDEs
R dRAs Year 1984 Theta 296 Rho 4.2
Obs 10 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16525 M ADS BDS N IDS IDS 23037N7007B
HIC 114180
 
 
23074+7040 C
 
 
Coord arcsec 2000 230727.16+703950.6 Mag 13.1 Calc delta mag 5.47 Calc coord yes
CCDM
Ccdm 23074+7040 RComp Comp C Note1
Note2 Discov num STF2984 DRAs DDEs
R dRAs Year 1911 Theta 081 Rho 74.8
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16525 M ADS BDS N IDS IDS 23037N7007C
HIC