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Doubles in session


Current system
12071+6905
STF 1602 AC


Nearby doubles
19' : 12056+6848
STF1599AB

24' : 12060+6842
STF3123AB

33' : 12025+6925
CVR1401

36' : 12006+6911
A 1088

39' : 12120+6836
STF1611

42' : 12139+6926
LDS1750

53' : 12169+6902
KPP3864AB

55' : 12027+6815
LDS2624

56' : 11589+6832
TDS8147

58' : 12098+6809
LDS1281

59' : 12160+6831
TDS8291

61' : 12180+6848
STT 246

64' : 12069+7008
SKF 237

67' : 12157+6818
LDS2637

79' : 12061+7022
A 76AB

82' : 12168+7009
STF1626

87' : 11520+6832
GRV1065

88' : 11512+6846
UC 2220AB

99' : 12039+6728
LDS2626

102' : 12228+6811
A 1089

102' : 12001+7039
BU 795AB

103' : 12109+6724
HJ 3336

111' : 12016+7051
STF1590

120' : 12201+6729
SKF2325

121' : 11505+7029
CRB 190

125' : 12131+6704
STF1614



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.

12071+6905 STF 1602 AC

 
 
12h 07m 07.57s +69° 04' 34.5" P.A. 315.00 sep 153.8 mag 8.27,11.37 Sp G5 dist. 90.42 pc (294.95 l.y.)
 
 
Coord 2000 12071+6905 Discov num STF1602 Comp AC Coord arcsec 2000 12 07 07.57 +69 04 34.5
Date first 1898 Date last 2017 Obs 12
Pa first 318 Pa last 314.7 P.A. Now (θ) 314.7°
Sep first 155.5 Sep last 153.8 Sep. Now (ρ) 153.8"
Mag pri 8.27 Mag sec 11.37 delta mag (ΔM) 3.1 Spectral class G5 (yellow)
Pri motion ra -001 Sec motion ra -026
Pri motion dec +027 Sec motion dec -012
Notes N (See Notes)
rPM=1.618
This double is not physical.
 
 
12071+6905 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 105287 15716 12 07 08 +69 04 34 STF 1602 AB 2019 73 180 21.0 8.27 9.91 1.64
Show 15716 12 07 08 +69 04 34 STF 1602 AC 2017 12 315 153.8 8.27 11.37 3.10 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 15716 HIP 59094 Tycho2 4393-01431-1
Gaia DR2 1683524861026802176 HD 105287 BD BD+69 645 Distance 90.42
Distance ly 294.95
 
 
WDS 12071+6905 STF 1602 AC : NOTES
 
 
discov_num notes refcode
STF1602 The A component is a spectroscopic triple, P = 3.87d and 6.5y.
 
 
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
12071+6905 STF1602 AC 1999 5 316 154.0 8.27 11.37 N D 120707.57+690434.5
12071+6905 STF1602 AC 2003 6 315 153.9 8.27 11.37 N D 120707.57+690434.5
12071+6905 STF1602 AC 2015 7 315 153.9 8.27 11.37 G5 N 120707.57+690434.5
12071+6905 STF1602 AC 2017 8 315 153.8 8.27 11.37 G5 N 120707.57+690434.5

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

 
 
WDS 12071+6905 STF 1602 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12071+6905 STF 1602 AC : MEASURES
 
 
No records found.

 
 
WDS 12071+6905 : VIRTUAL EYEPIECE
 
 

12071+6905 STF1602A mag 8.27 Sp G5 12071+6905 STF1602B sep 21.0 P.A. 179.90 mag 9.91 12071+6905 STF1602C sep 115.0 P.A. 340.20 mag 11.37 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 12071+6905 : ALADIN DSS IMAGE @ 12h 07m 07.57s +69° 04' 34.5"
 
 
 
 
WDS 12071+6905 STF 1602 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12071+6905 STF1602AB distance=1' 12071+6905 STF1602AC distance=1' 12056+6848 STF1599AB distance=19' 12056+6848 STF1599AC distance=19' 12056+6848 STF1599AD distance=19' 12056+6848 STF1599AE distance=19' 12056+6848 WAL 60AF distance=19' 12056+6848 STF1599Ea,Eb distance=21' 12060+6842 STF3123AB distance=24' 12060+6842 STF3123AB,C distance=24' 12025+6925 CVR1401 distance=33' 12006+6911 A 1088 distance=36' 12120+6836 STF1611 distance=39' 12139+6926 LDS1750 distance=42' 12169+6902 KPP3864BC distance=53' 12169+6902 KPP3864AB distance=53' 12027+6815 LDS2624 distance=55' 11589+6832 TDS8147 distance=56' 12098+6809 LDS1281 distance=58' 12160+6831 TDS8291 distance=59' 12180+6848 STT 246 distance=61' 12069+7008 SKF 237 distance=64' 12157+6818 LDS2637 distance=67' 12061+7022 A 76AB distance=79' 12061+7022 A 76BC distance=79' 12168+7009 STF1626 distance=82' 11520+6832 GRV1065 distance=87' 11512+6846 UC 2220AB distance=88' 12024+7034 KPP3860FH distance=94' 12039+6728 LDS2626 distance=99' 12228+6811 A 1089 distance=102' 12001+7039 BU 795CD distance=102' 12001+7039 BU 795AB distance=102' 12001+7039 STT 242AC distance=102' 12001+7039 STH 2AE distance=102' 12109+6724 HJ 3336 distance=103' 12016+7051 STF1590 distance=111' 12201+6729 SKF2325 distance=120' 11505+7029 CRB 190 distance=121' 12131+6704 STF1614 distance=125' 12014+6701 KPP 767 distance=128' 12182+6711 HDS1732 distance=130' 11531+6721 SLW 665 distance=130' 11579+6705 HDS1683 distance=131' 11596+6700 TDS 652 distance=132' 11502+7051 HJ 2587 distance=138' 11492+6720 STF1573 distance=145' 12236+6711 HDS1745 distance=146' 12069+6637 LDS2629 distance=148' 12140+6638 TDS8278 distance=152' 11488+6703 LDS2616AB distance=159' 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 12071+6905 STF1602 AB 180 21.0 1
Show 12071+6905 STF1602 AC 315 153.8 1
Show 12056+6848 STF1599 AB 166 10.1 19
Show 12056+6848 STF1599 AC 332 108.4 19
Show 12056+6848 STF1599 AD 86 125.6 19
Show 12056+6848 STF1599 AE 182 125.3 19
Show 12056+6848 WAL 60 AF 109 142.5 19
Show 12056+6848 STF1599 Ea,Eb 69 0.3 21
Show 12060+6842 STF3123 AB 190 0.3 24
Show 12060+6842 STF3123 AB,C 302 3.0 24
Show 12025+6925 CVR1401 315 4.4 33
Show 12006+6911 A 1088 2 0.2 36
Show 12120+6836 STF1611 4 1.9 39
Show 12139+6926 LDS1750 188 13.8 42
Show 12169+6902 KPP3864 BC 142 1.0 53
Show 12169+6902 KPP3864 AB 304 12.5 53
Show 12027+6815 LDS2624 304 8.1 55
Show 11589+6832 TDS8147 70 2.5 56
Show 12098+6809 LDS1281 229 2.4 58
Show 12160+6831 TDS8291 65 0.5 59
Show 12180+6848 STT 246 -1 -1.0 61
Show 12069+7008 SKF 237 58 5.7 64
Show 12157+6818 LDS2637 42 123.7 67
Show 12061+7022 A 76 AB 43 22.5 79
Show 12061+7022 A 76 BC 291 1.1 79
Show 12168+7009 STF1626 2 2.1 82
Show 11520+6832 GRV1065 55 34.8 87
Show 11512+6846 UC 2220 AB 85 27.6 88
Show 12024+7034 KPP3860 FH 110 52.4 94
Show 12039+6728 LDS2626 76 42.5 99
Show 12228+6811 A 1089 288 0.9 102
Show 12001+7039 BU 795 CD 113 6.0 102
Show 12001+7039 BU 795 AB 329 14.4 102
Show 12001+7039 STT 242 AC 159 30.6 102
Show 12001+7039 STH 2 AE 317 25.2 102
Show 12109+6724 HJ 3336 293 9.1 103
Show 12016+7051 STF1590 232 5.3 111
Show 12201+6729 SKF2325 15 13.1 120
Show 11505+7029 CRB 190 138 23.1 121
Show 12131+6704 STF1614 191 18.6 125
Show 12014+6701 KPP 767 5 6.6 128
Show 12182+6711 HDS1732 7 0.2 130
Show 11531+6721 SLW 665 241 158.0 130
Show 11579+6705 HDS1683 346 0.4 131
Show 11596+6700 TDS 652 287 1.1 132
Show 11502+7051 HJ 2587 302 19.8 138
Show 11492+6720 STF1573 180 10.9 145
Show 12236+6711 HDS1745 33 0.6 146
Show 12069+6637 LDS2629 336 38.6 148
Show 12140+6638 TDS8278 139 2.8 152
Show 11488+6703 LDS2616 AB 194 22.7 159

 
 
WDS 12071+6905 : COMPONENTS
 
 
  A B
B pa=179.9°
sep=20.96"
 
C pa=340.2°
sep=115.00"
pa=343.2°
sep=134.92"
 
 
12071+6905 A
 
 
Name HD 105287 Coord arcsec 2000 120707.57+690434.5 Mag 8.27 Spectral class G5 (yellow)
PmRA -1.00 PmDE 27.0 SAO 15716 HIP 59094
Tycho2 4393-01431-1 HD 105287 GC 16557 BD BD+69 645
Tycho2
Tycho2 4393-01431-1 Pflag RAmdeg 181.78153226 DEmdeg 69.07630474
PmRA -1.3 PmDE 27.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.0 E pmDE 1.2 EpRAm 1990.97 EpDEm 1991.30
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 8.827 E BTmag 0.017 VTmag 8.268
E VTmag 0.012 Prox 198 TYC T HIP 59094
CCDM A RAdeg 181.78154028 DEdeg 69.07624222 EpRA 1990 1.65
EpDE 1990 1.77 E RAdeg 6.0 E DEdeg 5.7 Posflg
Corr 0.0
SAO
SAO 15716 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.034 Vmag 7.9 SpType G5
Double code Source 70 CatNum 16557 DM BD+69 645
DMcomp BDsup HD 105287 M HD 0
GC 16557 RA1950rad 3.16183875 DE1950rad 1.21046083 PmRA2000 0.0006
PmDE2000 0.038
Hipparcos
Catalog H HIP 59094 Proxy RAhms 12 07 07.57
DEdms +69 04 34.5 Vmag 8.19 VarFlag R Vmag H
RAdeg 181.782 DEdeg 69.0762 AstroRef A Plx 11.27
CCDM 12070+6905 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 105287 BD BD+69 645
CD CP Dm number +69 645 VIred 0.54
SpType G5 R SpType Coord arcsec 2000 120707.57+690434.5
Hipparcos 2
HIP 59094 Sn 95 So 3 Nc 1
RArad 3.1726863488 DErad 1.2056077855 Plx 11.06 PmRA 6.41
PmDE 31.35 E RArad 0.93 E DErad 1.07 E Plx 1.22
E pmRA 1.06 E pmDE 1.25 Hpmag 8.3135 E Hpmag 0.0248
SHp 0.054 VA 0 BV 0.54 E BV 0.013
VI 0.61
 
 
12071+6905 B
 
 
Coord arcsec 2000 120707.58+690413.5 Mag 9.91 PmRA -2.00 PmDE -15.0
HIP 59095 Calc delta mag 1.64 Calc coord yes
Hipparcos
Catalog H HIP 59095 Proxy RAhms 12 07 07.60
DEdms +69 04 14.7 Vmag 9.95 VarFlag R Vmag H
RAdeg 181.782 DEdeg 69.0707 AstroRef B Plx 11.27
CCDM 12070+6905 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.7
SpType R SpType Coord arcsec 2000 120707.60+690414.7
Hipparcos 2
HIP 59095 Sn 95 So 3 Nc 1
RArad 3.1726892952 DErad 1.2055119941 Plx -6.25 PmRA 7.27
PmDE 17.63 E RArad 5.53 E DErad 6.6 E Plx 7.38
E pmRA 5.8 E pmDE 7.25 Hpmag 10.5797 E Hpmag 0.1661
SHp 0 VA 0 BV 0.995 E BV 0.054
VI 0.97
 
 
12071+6905 C
 
 
Coord arcsec 2000 120700.28+690622.7 Mag 11.37 PmRA -26.00 PmDE -12.0
Calc delta mag 3.1 Calc coord yes