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Doubles in session


Current system
11492+6720
STF 1573
HD 102616


Nearby doubles
17' : 11488+6703
LDS2616AB

23' : 11531+6721
SLW 665

51' : 11478+6630
LDS2614

53' : 11579+6705
HDS1683

64' : 11596+6700
TDS 652

70' : 11420+6818
GRV1061

73' : 11560+6619
GRV1066

74' : 12014+6701
KPP 767

75' : 11520+6832
GRV1065

76' : 11426+6615
KPP1071

78' : 11391+6630
LIE 1

79' : 11390+6814
TDS7975

83' : 11368+6804
TDS7954

84' : 11510+6556
GRV1064

86' : 12039+6728
LDS2626

87' : 11547+6600
KPP3248

87' : 11512+6846
UC 2220AB

90' : 11509+6551
LDS2617

90' : 11387+6615
KPP1852

91' : 11589+6832
TDS8147

95' : 12027+6628
CVR1402

96' : 11330+6705
HJ 3332

96' : 12027+6815
LDS2624

96' : 11411+6557
HJ 3333

97' : 11362+6621
STT 236

107' : 11313+6749
TDS7905



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.

11492+6720 STF 1573 (HD 102616)

 
 
11h 49m 10.50s +67° 19' 42.8" P.A. 180.00 sep 10.9 mag 7.50,8.30 Sp G8III dist. 326.8 pc (1066.02 l.y.)
 
 
Coord 2000 11492+6720 Discov num STF1573 Comp Coord arcsec 2000 11 49 10.50 +67 19 42.8
Date first 1824 Date last 2017 Obs 51
Pa first 179 Pa last 180 P.A. Now (θ) 180°
Sep first 11.9 Sep last 10.92 Sep. Now (ρ) 10.92"
Mag pri 7.50 Mag sec 8.30 delta mag (ΔM) 0.8 Spectral class G8III (yellow)
Pri motion ra +014 Sec motion ra +013
Pri motion dec -003 Sec motion dec -002
Notes V (Proper motion indicates physical)
rPM=0.099 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 102616 Constellation Draco SAO 15640 HIP 57639
Tycho2 4160-00223-1 Gaia DR2 1057925697128003200 HD 102616 GC 16186
BD BD+68 662 Distance 326.8 Distance ly 1066.02
 
 
WDS 11492+6720 STF 1573 (HD 102616) : 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
11492+6720 STF1573 1999 40 178 11.1 7.50 8.30 G8III D 114910.50+671942.8
11492+6720 STF1573 2011 42 178 11.1 7.50 8.30 G8III D 114910.50+671942.8
11492+6720 STF1573 2017 47 180 10.9 7.50 8.30 G8III 114910.50+671942.8

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

 
 
WDS 11492+6720 STF 1573 (HD 102616) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/19 Daedalus1 mean difficulty separated 180   Primary is White, companion is blue-grey.

 
 
WDS 11492+6720 STF 1573 (HD 102616) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/19 Daedalus1 mean difficulty 11.27 0.05 180.00 0.00 0.83 12 Seeing: Pickering 7, good
 
 
WDS 11492+6720 (HD 102616) : VIRTUAL EYEPIECE
 
 

11492+6720 STF1573A mag 7.5 Sp G8III 11492+6720 STF1573B sep 10.9 P.A. 180.00 mag 8.3 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 11492+6720 (HD 102616) : ALADIN DSS IMAGE @ 11h 49m 10.50s +67° 19' 42.8"
 
 
 
 
WDS 11492+6720 STF 1573 (HD 102616) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11492+6720 STF1573 distance=0' 11488+6703 LDS2616AB distance=17' 11488+6703 LDS2616BC distance=17' 11531+6721 SLW 665 distance=23' 11478+6630 LDS2614 distance=51' 11579+6705 HDS1683 distance=53' 11596+6700 TDS 652 distance=64' 11420+6818 GRV1061 distance=70' 11560+6619 GRV1066 distance=73' 12014+6701 KPP 767 distance=74' 11520+6832 GRV1065 distance=75' 11426+6615 KPP1071 distance=76' 11391+6630 LIE 1 distance=78' 11390+6814 TDS7975 distance=79' 11368+6804 TDS7954 distance=83' 11510+6556 GRV1064 distance=84' 12039+6728 LDS2626 distance=86' 11547+6600 KPP3248 distance=87' 11512+6846 UC 2220AB distance=87' 11509+6551 LDS2617 distance=90' 11387+6615 KPP1852 distance=90' 11589+6832 TDS8147 distance=91' 12027+6628 CVR1402 distance=95' 11330+6705 HJ 3332 distance=96' 12027+6815 LDS2624 distance=96' 11411+6557 HJ 3333 distance=96' 11362+6621 STT 236 distance=97' 11313+6749 TDS7905 distance=107' 12046+6620 MET 59AB distance=109' 12046+6620 MET 59AC distance=109' 11405+6901 TOK 550AB distance=112' 12069+6637 LDS2629 distance=114' 11294+6656 UC 2152 distance=118' 11598+6540 WFC 120 distance=118' 11301+6808 HDS1630 distance=119' 12067+6621 CBL 374 distance=119' 11311+6617 HDS1632 distance=124' 12060+6842 STF3123AB distance=126' 12060+6842 STF3123AB,C distance=126' 12056+6848 STF1599Ea,Eb distance=126' 12056+6848 STF1599AB distance=128' 12056+6848 STF1599AC distance=128' 12056+6848 STF1599AD distance=128' 12056+6848 STF1599AE distance=128' 12056+6848 WAL 60AF distance=128' 12006+6911 A 1088 distance=129' 11580+6520 LDS2620 distance=132' 11556+6508 TDS8117 distance=138' 12071+6905 STF1602AB distance=145' 12071+6905 STF1602AC distance=145' 12025+6925 CVR1401 distance=146' 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 11492+6720 STF1573 180 10.9
Show 11488+6703 LDS2616 AB 194 22.7 17
Show 11488+6703 LDS2616 BC 157 46.7 17
Show 11531+6721 SLW 665 241 158.0 23
Show 11478+6630 LDS2614 160 7.4 51
Show 11579+6705 HDS1683 346 0.4 53
Show 11596+6700 TDS 652 287 1.1 64
Show 11420+6818 GRV1061 103 17.3 70
Show 11560+6619 GRV1066 134 22.4 73
Show 12014+6701 KPP 767 5 6.6 74
Show 11520+6832 GRV1065 55 34.8 75
Show 11426+6615 KPP1071 208 8.5 76
Show 11391+6630 LIE 1 61 1.3 78
Show 11390+6814 TDS7975 20 1.0 79
Show 11368+6804 TDS7954 117 2.4 83
Show 11510+6556 GRV1064 238 25.5 84
Show 12039+6728 LDS2626 76 42.5 86
Show 11547+6600 KPP3248 203 3.7 87
Show 11512+6846 UC 2220 AB 85 27.6 87
Show 11509+6551 LDS2617 303 16.0 90
Show 11387+6615 KPP1852 343 14.4 90
Show 11589+6832 TDS8147 70 2.5 91
Show 12027+6628 CVR1402 238 3.1 95
Show 11330+6705 HJ 3332 84 5.0 96
Show 12027+6815 LDS2624 304 8.1 96
Show 11411+6557 HJ 3333 161 16.4 96
Show 11362+6621 STT 236 198 1.9 97
Show 11313+6749 TDS7905 10 0.7 107
Show 12046+6620 MET 59 AB 260 3.1 109
Show 12046+6620 MET 59 AC 260 12.0 109
Show 11405+6901 TOK 550 AB 347 923.5 112
Show 12069+6637 LDS2629 336 38.6 114
Show 11294+6656 UC 2152 256 50.3 118
Show 11598+6540 WFC 120 283 6.7 118
Show 11301+6808 HDS1630 180 0.7 119
Show 12067+6621 CBL 374 56 48.4 119
Show 11311+6617 HDS1632 291 0.1 124
Show 12060+6842 STF3123 AB 190 0.3 126
Show 12060+6842 STF3123 AB,C 302 3.0 126
Show 12056+6848 STF1599 Ea,Eb 69 0.3 126
Show 12056+6848 STF1599 AB 166 10.1 128
Show 12056+6848 STF1599 AC 332 108.4 128
Show 12056+6848 STF1599 AD 86 125.6 128
Show 12056+6848 STF1599 AE 182 125.3 128
Show 12056+6848 WAL 60 AF 109 142.5 128
Show 12006+6911 A 1088 2 0.2 129
Show 11580+6520 LDS2620 300 6.4 132
Show 11556+6508 TDS8117 339 0.4 138
Show 12071+6905 STF1602 AB 180 21.0 145
Show 12071+6905 STF1602 AC 315 153.8 145
Show 12025+6925 CVR1401 315 4.4 146

 
 
WDS 11492+6720 : COMPONENTS
 
 
  A
B pa=180.0°
sep=10.92"
 
 
11492+6720 A
 
 
Componente originario normalizzato AB Name HD 102616 Coord arcsec 2000 114910.50+671942.8 Mag 7.5
Spectral class G8III (yellow) PmRA 14.00 PmDE -3.0 SAO 15640
HIP 57639 Tycho2 4160-00223-1 HD 102616 GC 16186
BD BD+68 662
Tycho2
Tycho2 4160-00223-1 Pflag RAmdeg 177.29373598 DEmdeg 67.32854257
PmRA 14.2 PmDE -5.1 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.53 EpDEm 1991.40
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 8.328 E BTmag 0.016 VTmag 7.504
E VTmag 0.011 Prox 112 TYC T HIP 57639
CCDM A RAdeg 177.29365139 DEdeg 67.32855444 EpRA 1990 1.71
EpDE 1990 1.63 E RAdeg 4.4 E DEdeg 4.9 Posflg
Corr -0.1
SAO
SAO 15640 DelFlag RA1950 PmRA1950 0.0032
DE1950 PmDE1950 -0.005 Vmag 7.2 SpType F8
Double code Source 70 CatNum 16186 DM BD+68 662
DMcomp BDsup HD 102616 M HD 0
GC 16186 RA1950rad 3.0825502 DE1950rad 1.17995724 PmRA2000 0.0035
PmDE2000 -0.001
Hipparcos
Catalog H HIP 57639 Proxy RAhms 11 49 10.47
DEdms +67 19 42.8 Vmag 7.45 VarFlag R Vmag G
RAdeg 177.294 DEdeg 67.3286 AstroRef A Plx 1.13
CCDM 11492+6720 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 102616 BD BD+68 662
CD CP Dm number +68 662 VIred 0.77
SpType F8 R SpType Coord arcsec 2000 114910.47+671942.8
Hipparcos 2
HIP 57639 Sn 95 So 3 Nc 1
RArad 3.0943577922 DErad 1.1751049195 Plx 3.06 PmRA 13.35
PmDE -1.81 E RArad 0.9 E DErad 0.83 E Plx 1.08
E pmRA 1.16 E pmDE 1.06 Hpmag 7.5818 E Hpmag 0.0062
SHp 0.041 VA 0 BV 0.722 E BV 0.015
VI 0.77
CCDM
Ccdm 11492+6720 RComp Comp A Note1
Note2 Discov num DRAs -1.53 DDEs -17.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp F8 PmNote *
PmRA 15 PmDE -19 Dm number +68 662 Cat1 BD
Name2 +67 528 Cat2 AGK2/3 HD 102616 M HD
ADS BDS A 8313 M ADS BDS N IDS IDS 11437N6753A
HIC 57639
 
 
11492+6720 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 114910.50+671931.9 Mag 8.3 PmRA 13.00
PmDE -2.0 HIP 57640 Tycho2 4160-01234-1 Calc delta mag 0.8
Calc coord yes
Tycho2
Tycho2 4160-01234-1 Pflag RAmdeg 177.29405165 DEmdeg 67.32544486
PmRA 11.8 PmDE -3.3 E RAmdeg 6 E DEmdeg 7
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.52 EpDEm 1991.36
Num 6 Q RAmdeg 0.3 Q DEmdeg 1.4 Q pmRA 0.4
Q pmDE 1.3 BTmag 8.757 E BTmag 0.018 VTmag 8.303
E VTmag 0.012 Prox 112 TYC T HIP 57640
CCDM B RAdeg 177.29398139 DEdeg 67.32545250 EpRA 1990 1.74
EpDE 1990 1.66 E RAdeg 6.0 E DEdeg 7.1 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 57640 Proxy RAhms 11 49 10.55
DEdms +67 19 31.7 Vmag 8.33 VarFlag R Vmag H
RAdeg 177.294 DEdeg 67.3255 AstroRef B Plx 3.05
CCDM 11492+6720 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.47
SpType R SpType Coord arcsec 2000 114910.55+671931.7
Hipparcos 2
HIP 57640 Sn 95 So 3 Nc 1
RArad 3.0943638177 DErad 1.1750509891 Plx 5.98 PmRA 14.27
PmDE -4.93 E RArad 1.48 E DErad 1.41 E Plx 1.82
E pmRA 1.8 E pmDE 1.78 Hpmag 8.4233 E Hpmag 0.0126
SHp 0 VA 0 BV 0.392 E BV 0.016
VI 0.46
CCDM
Ccdm 11492+6720 RComp Comp B Note1
Note2 Discov num STF1573 DRAs -1.46 DDEs -29.0
R dRAs 91 Year 1832 Theta 178 Rho 11.2
Obs 16 Vmag 8.6 Sp PmNote *
PmRA 15 PmDE -19 Dm number Cat1
Name2 +67 529 Cat2 AGK2/3 HD M HD
ADS BDS A 8313 M ADS BDS N IDS IDS 11437N6753B
HIC 57640