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Current system
12396+6440
STF 1667 AC


Nearby doubles
29' : 12360+6458
LDS2653

36' : 12451+6438
HDS1786AB

67' : 12416+6546
LDS2657

68' : 12477+6357
LDS2659

69' : 12317+6355
CBL 384

70' : 12307+6404
MLB 465

73' : 12284+6433
LDS2643

73' : 12358+6550
LDS2652

74' : 12390+6553
GRV1080

85' : 12266+6429
LDS2642

86' : 12284+6528
HDS1756

91' : 12523+6403
SLW 787

91' : 12458+6320
NSN 53

91' : 12461+6320
LDS2658

99' : 12311+6320
LDS2648

103' : 12376+6623
MLR 152

105' : 12490+6607
DEL 4

108' : 12382+6628
LDS2656

109' : 12251+6348
BU 1432

110' : 12297+6313
LDS2646

110' : 12273+6326
SLW 724

112' : 12342+6627
LDS2651

113' : 12243+6348
STF1640

119' : 12277+6612
SLN 25

119' : 12287+6618
TDS8403

121' : 12445+6244
BVD 319



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.

12396+6440 STF 1667 AC

 
 
12h 39m 36.41s +64° 40' 27.2" P.A. 262.00 sep 46.4 mag 9.49,12.20 Sp F5
 
 
Coord 2000 12396+6440 Discov num STF1667 Comp AC Coord arcsec 2000 12 39 36.41 +64 40 27.2
Date first 1906 Date last 2015 Obs 4
Pa first 261 Pa last 262.3 P.A. Now (θ) 262.3°
Sep first 44.3 Sep last 46.399 Sep. Now (ρ) 46.399"
Mag pri 9.49 Mag sec 12.20 delta mag (ΔM) 2.71 Spectral class F5 (yellow-white)
Pri motion ra +014 Sec motion ra -012
Pri motion dec -015 Sec motion dec -012
Notes
rPM=1.276
This double is not physical.
 
 
12396+6440 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 39 36 +64 40 27 STF 1667 AB 2017 21 40 1.2 9.49 9.99 0.50
Show 12 39 36 +64 40 27 STF 1667 AC 2015 4 262 46.4 9.49 12.20 2.71 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4165-00464-1 Gaia DR2 1680000307783927936
 
 
WDS 12396+6440 STF 1667 AC : 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
12396+6440 STF1667 AC 1999 2 262 46.3 9.49 12.50 F5 D 123936.41+644027.2
12396+6440 STF1667 AC 2003 3 262 46.4 9.49 12.50 F5 D 123936.41+644027.2
12396+6440 STF1667 AC 2015 4 262 46.4 9.49 12.20 F5 123936.41+644027.2

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

 
 
WDS 12396+6440 STF 1667 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12396+6440 STF 1667 AC : MEASURES
 
 
No records found.

 
 
WDS 12396+6440 : VIRTUAL EYEPIECE
 
 

12396+6440 STF1667A mag 9.49 Sp F5 12396+6440 STF1667B sep 1.0 P.A. 19.90 mag 9.99 12396+6440 STF1667C sep 20.6 P.A. 252.50 mag 12.2 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 12396+6440 : ALADIN DSS IMAGE @ 12h 39m 36.41s +64° 40' 27.2"
 
 
 
 
WDS 12396+6440 STF 1667 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12396+6440 STF1667AC distance=0' 12360+6458 LDS2653 distance=29' 12451+6438 HDS1786AB distance=36' 12451+6438 GII 193Aa,Ab distance=36' 12416+6546 LDS2657 distance=67' 12477+6357 LDS2659 distance=68' 12317+6355 CBL 384 distance=69' 12307+6404 MLB 465 distance=70' 12284+6433 LDS2643 distance=73' 12358+6550 LDS2652 distance=73' 12390+6553 GRV1080 distance=74' 12266+6429 LDS2642 distance=85' 12284+6528 HDS1756 distance=86' 12523+6403 SLW 787 distance=91' 12458+6320 NSN 53 distance=91' 12461+6320 LDS2658 distance=91' 12311+6320 LDS2648 distance=99' 12376+6623 MLR 152 distance=103' 12490+6607 DEL 4 distance=105' 12382+6628 LDS2656 distance=108' 12251+6348 BU 1432 distance=109' 12297+6313 LDS2646 distance=110' 12273+6326 SLW 724 distance=110' 12342+6627 LDS2651 distance=112' 12243+6348 STF1640 distance=113' 12277+6612 SLN 25 distance=119' 12287+6618 TDS8403 distance=119' 12445+6244 BVD 319 distance=121' 12576+6532 LDS2661 distance=125' 12361+6231 LDS2654 distance=133' 12196+6538 LDS2639 distance=138' 12292+6240 KPP3255 distance=140' 12203+6605 KPP3866 distance=147' 12313+6700 LDS2649 distance=149' 12420+6212 TDS 672 distance=150' 12204+6623 HDS1737 distance=158' 12233+6646 CBL 381 distance=161' 12448+6203 STI 749 distance=162' 12242+6655 LDS2641 distance=165' 12246+6231 ES 2640AC distance=165' 12246+6231 MLB 210AB distance=165' 12582+6242 TDS8616 distance=172' 12236+6711 HDS1745 distance=180' 12353+6740 CVR1451 distance=182' 12281+6150 CVR1436 distance=187' 12197+6229 MLR 151 distance=187' 12297+6743 LDS2645 distance=192' 12330+6752 TDS8430 distance=197' 12426+6121 CBL 393 distance=201' 12307+6756 LDS2647 distance=203' 12380+6804 LDS2655 distance=205' 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 12396+6440 STF1667 AB 40 1.2
Show 12396+6440 STF1667 AC 262 46.4
Show 12360+6458 LDS2653 250 25.6 29
Show 12451+6438 HDS1786 AB 240 0.4 36
Show 12451+6438 GII 193 Aa,Ab 104 0.2 36
Show 12416+6546 LDS2657 54 9.9 67
Show 12477+6357 LDS2659 188 8.3 68
Show 12317+6355 CBL 384 123 17.9 69
Show 12307+6404 MLB 465 156 2.0 70
Show 12284+6433 LDS2643 350 57.0 73
Show 12358+6550 LDS2652 23 3.2 73
Show 12390+6553 GRV1080 121 19.3 74
Show 12266+6429 LDS2642 234 2.8 85
Show 12284+6528 HDS1756 160 0.2 86
Show 12523+6403 SLW 787 301 35.4 91
Show 12458+6320 NSN 53 144 15.0 91
Show 12461+6320 LDS2658 144 15.0 91
Show 12311+6320 LDS2648 321 1.9 99
Show 12376+6623 MLR 152 309 0.2 103
Show 12490+6607 DEL 4 221 0.3 105
Show 12382+6628 LDS2656 257 69.3 108
Show 12251+6348 BU 1432 246 38.6 109
Show 12297+6313 LDS2646 70 5.2 110
Show 12273+6326 SLW 724 70 13.2 110
Show 12342+6627 LDS2651 5 158.3 112
Show 12243+6348 STF1640 244 37.9 113
Show 12277+6612 SLN 25 90 11.4 119
Show 12287+6618 TDS8403 17 0.6 119
Show 12445+6244 BVD 319 34 9.3 121
Show 12576+6532 LDS2661 51 7.2 125
Show 12361+6231 LDS2654 303 16.5 133
Show 12196+6538 LDS2639 312 118.3 138
Show 12292+6240 KPP3255 328 2.1 140
Show 12203+6605 KPP3866 250 18.9 147
Show 12313+6700 LDS2649 261 120.6 149
Show 12420+6212 TDS 672 206 1.0 150
Show 12204+6623 HDS1737 149 0.1 158
Show 12233+6646 CBL 381 313 33.4 161
Show 12448+6203 STI 749 189 4.7 162
Show 12242+6655 LDS2641 207 11.1 165
Show 12246+6231 ES 2640 AC 81 37.0 165
Show 12246+6231 MLB 210 AB 146 2.1 165
Show 12582+6242 TDS8616 2 0.5 172
Show 12236+6711 HDS1745 33 0.6 180
Show 12353+6740 CVR1451 133 3.2 182
Show 12281+6150 CVR1436 196 3.5 187
Show 12197+6229 MLR 151 82 0.4 187
Show 12297+6743 LDS2645 174 3.6 192
Show 12330+6752 TDS8430 159 1.2 197
Show 12426+6121 CBL 393 147 6.3 201
Show 12307+6756 LDS2647 306 1.9 203

 
 
WDS 12396+6440 : COMPONENTS
 
 
  A B
B pa=19.9°
sep=1.01"
 
C pa=252.5°
sep=20.63"
pa=250.3°
sep=21.26"
 
 
12396+6440 A
 
 
Coord arcsec 2000 123936.41+644027.2 Mag 9.49 Spectral class F5 (yellow-white) PmRA 17.00
PmDE -10.0 HIP 61770 Tycho2 4165-00464-1 BD BD+65 894
Tycho2
Tycho2 4165-00464-1 Pflag P RAmdeg 189.90194492 DEmdeg 64.67428089
PmRA 16.9 PmDE -9.5 E RAmdeg 11 E DEmdeg 11
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.07 EpDEm 1991.04
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 9.932 E BTmag 0.022 VTmag 9.489
E VTmag 0.018 Prox 12 TYC T HIP 61770
CCDM A RAdeg 189.90170167 DEdeg 64.67422833 EpRA 1990 1.69
EpDE 1990 1.67 E RAdeg 11.1 E DEdeg 10.6 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 61770 Proxy H RAhms 12 39 36.41
DEdms +64 40 27.2 Vmag 8.96 VarFlag R Vmag H
RAdeg 189.902 DEdeg 64.6742 AstroRef A Plx 3.37
CCDM 12396+6440 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 40 Rho 1.22 HD BD BD+65 894
CD CP Dm number +65 894 VIred 0.55
SpType F5 R SpType Coord arcsec 2000 123936.41+644027.2
Hipparcos 2
HIP 61770 Sn 15 So 3 Nc 2
RArad 3.3144097846 DErad 1.1287781364 Plx 3.66 PmRA 16.62
PmDE -12.54 E RArad 1.04 E DErad 0.98 E Plx 1.26
E pmRA 1.23 E pmDE 1.4 Hpmag 9.0681 E Hpmag 0.0021
SHp 0.021 VA 0 BV 0.6 E BV 0.495
VI 0.55
CCDM
Ccdm 12396+6440 RComp Comp A Note1
Note2 Discov num DRAs 0.44 DDEs 27.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.5 Sp F5 PmNote *
PmRA 15 PmDE -10 Dm number +65 894 Cat1 BD
Name2 +64 613 Cat2 AGK2/3 HD M HD
ADS BDS A 8620 M ADS BDS N IDS IDS 12352N6513A
HIC 61770
 
 
12396+6440 B
 
 
Coord arcsec 2000 123936.46+644028.2 Mag 9.99 PmRA 17.00 PmDE -10.0
Tycho2 4165-00464-2 Calc delta mag 0.5 Calc coord yes
Tycho2
Tycho2 4165-00464-2 Pflag P RAmdeg 189.90194492 DEmdeg 64.67428089
PmRA 16.9 PmDE -9.5 E RAmdeg 11 E DEmdeg 11
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.07 EpDEm 1991.04
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.512 E BTmag 0.028 VTmag 9.991
E VTmag 0.025 Prox 12 TYC HIP 61770
CCDM B RAdeg 189.90222056 DEdeg 64.67448139 EpRA 1990 1.69
EpDE 1990 1.67 E RAdeg 16.3 E DEdeg 15.4 Posflg D
Corr 0.0
CCDM
Ccdm 12396+6440 RComp Comp B Note1
Note2 Discov num STF1667 DRAs DDEs
R dRAs Year 1832 Theta 040 Rho 1.2
Obs 6 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8620 M ADS BDS N IDS IDS 12352N6513B
HIC 61770
 
 
12396+6440 C
 
 
Coord arcsec 2000 123933.34+644021.0 Mag 12.2 PmRA -12.00 PmDE -12.0
Calc delta mag 2.71 Calc coord yes
CCDM
Ccdm 12396+6440 RComp Comp C Note1
Note2 Discov num STF1667 DRAs -6.68 DDEs 20.6
R dRAs 65 Year 1906 Theta 261 Rho 44.3
Obs 1 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8620 M ADS BDS N IDS IDS 12352N6513C
HIC