12168+7009 STF 1626 (HD 106831)

 
 
12h 16m 47.11s +70° 08' 45.7" P.A. 2.00 sep 2.1 mag 9.37,9.55 Sp G0 dist. 157.98 pc (515.33 l.y.)
 
 
Coord 2000 12168+7009 Discov num STF1626 Comp Coord arcsec 2000 12 16 47.11 +70 08 45.7
Date first 1831 Date last 2017 Obs 34
Pa first 8 Pa last 2 P.A. Now (θ)
Sep first 2.2 Sep last 2.133 Sep. Now (ρ) 2.133"
Mag pri 9.37 Mag sec 9.55 delta mag (ΔM) 0.18 Spectral class G0 (yellow)
Pri motion ra +048 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 106831 Constellation Draco SAO 7536 HIP 59878
Tycho2 4397-01500-1 Gaia DR2 1683862441160955008 HD 106831 GC 16761
BD BD+70 690 Distance 157.98 Distance ly 515.33
 
 
WDS 12168+7009 STF 1626 (HD 106831) : 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
12168+7009 STF1626 2005 33 5 2.1 9.37 9.55 G0 D 121647.11+700845.7
12168+7009 STF1626 2017 31 2 2.1 9.37 9.55 G0 121647.11+700845.7

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

 
 
WDS 12168+7009 STF 1626 (HD 106831) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12168+7009 STF 1626 (HD 106831) : MEASURES
 
 
No records found.

 
 
WDS 12168+7009 (HD 106831) : VIRTUAL EYEPIECE
 
 

12168+7009 STF1626A mag 9.37 Sp G0 12168+7009 STF1626B sep 2.1 P.A. 0.70 mag 9.55 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 12168+7009 (HD 106831) : ALADIN DSS IMAGE @ 12h 16m 47.11s +70° 08' 45.7"
 
 
 
 
WDS 12168+7009 STF 1626 (HD 106831) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


12168+7009  STF1626 distance=0' 12139+6926  LDS1750 distance=47' 12069+7008  SKF 237 distance=51' 12061+7022  A    76BC distance=56' 12061+7022  A    76AB distance=56' 12282+6940  TDS8396 distance=66' 12169+6902  KPP3864BC distance=68' 12169+6902  KPP3864AB distance=68' 12024+7034  KPP3860FH distance=78' 12180+6848  STT 246 distance=82' 12071+6905  STF1602AB distance=82' 12071+6905  STF1602AC distance=82' 12332+7003  CBL  53 distance=85' 12025+6925  CVR1401 distance=87' 12016+7051  STF1590 distance=87' 12001+7039  BU  795CD distance=90' 12001+7039  BU  795AB distance=90' 12001+7039  STT 242AC distance=90' 12001+7039  STH   2AE distance=90' 12120+6836  STF1611 distance=97' 12160+6831  TDS8291 distance=98' 12056+6848  STF1599AB distance=101' 12056+6848  STF1599AC distance=101' 12056+6848  STF1599AD distance=101' 12056+6848  STF1599AE distance=101' 12056+6848  WAL  60AF distance=101' 12006+6911  A  1088 distance=103' 12056+6848  STF1599Ea,Eb distance=103' 12359+6939  FMR 107 distance=103' 12060+6842  STF3123AB distance=104' 12060+6842  STF3123AB,C distance=104' 12157+6818  LDS2637 distance=112' 12228+6811  A  1089 distance=123' 12098+6809  LDS1281 distance=126' 11589+6832  TDS8147 distance=136' 12027+6815  LDS2624 distance=136' 12314+6810  LDS2650 distance=143' 12023+7222  STF1588 distance=151' 12307+6756  LDS2647 distance=153' 11577+7213  LDS1744 distance=155' 12201+6729  SKF2325 distance=161' 12297+6743  LDS2645 distance=162' 12330+6752  TDS8430 distance=162' 12096+7250  HJ 2599 distance=165' 12074+7248  TDS8230 distance=166' 12109+6724  HJ 3336 distance=168' 12039+6728  LDS2626 distance=176' 12182+6711  HDS1732 distance=178' 12353+6740  CVR1451 distance=179' 12236+6711  HDS1745 distance=182' 12118+7312  LDS1749 distance=185' 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 12168+7009 STF1626 2 2.1
Show 12139+6926 LDS1750 188 13.8 47
Show 12069+7008 SKF 237 58 5.7 51
Show 12061+7022 A 76 BC 291 1.1 56
Show 12061+7022 A 76 AB 43 22.5 56
Show 12282+6940 TDS8396 101 0.6 66
Show 12169+6902 KPP3864 BC 142 1.0 68
Show 12169+6902 KPP3864 AB 304 12.5 68
Show 12024+7034 KPP3860 FH 110 52.4 78
Show 12180+6848 STT 246 -1 -1.0 82
Show 12071+6905 STF1602 AB 180 21.0 82
Show 12071+6905 STF1602 AC 315 153.8 82
Show 12332+7003 CBL 53 27 26.3 85
Show 12025+6925 CVR1401 315 4.4 87
Show 12016+7051 STF1590 232 5.3 87
Show 12001+7039 BU 795 CD 113 6.0 90
Show 12001+7039 BU 795 AB 329 14.4 90
Show 12001+7039 STT 242 AC 159 30.6 90
Show 12001+7039 STH 2 AE 317 25.2 90
Show 12120+6836 STF1611 4 1.9 97
Show 12160+6831 TDS8291 65 0.5 98
Show 12056+6848 STF1599 AB 166 10.1 101
Show 12056+6848 STF1599 AC 332 108.4 101
Show 12056+6848 STF1599 AD 86 125.6 101
Show 12056+6848 STF1599 AE 182 125.3 101
Show 12056+6848 WAL 60 AF 109 142.5 101
Show 12006+6911 A 1088 2 0.2 103
Show 12056+6848 STF1599 Ea,Eb 69 0.3 103
Show 12359+6939 FMR 107 206 8.3 103
Show 12060+6842 STF3123 AB 190 0.3 104
Show 12060+6842 STF3123 AB,C 302 3.0 104
Show 12157+6818 LDS2637 42 123.7 112
Show 12228+6811 A 1089 288 0.9 123
Show 12098+6809 LDS1281 229 2.4 126
Show 11589+6832 TDS8147 70 2.5 136
Show 12027+6815 LDS2624 304 8.1 136
Show 12314+6810 LDS2650 17 3.9 143
Show 12023+7222 STF1588 34 11.7 151
Show 12307+6756 LDS2647 306 1.9 153
Show 11577+7213 LDS1744 252 62.7 155
Show 12201+6729 SKF2325 15 13.1 161
Show 12297+6743 LDS2645 174 3.6 162
Show 12330+6752 TDS8430 159 1.2 162
Show 12096+7250 HJ 2599 109 12.2 165
Show 12074+7248 TDS8230 74 0.5 166
Show 12109+6724 HJ 3336 293 9.1 168
Show 12039+6728 LDS2626 76 42.5 176
Show 12182+6711 HDS1732 7 0.2 178
Show 12353+6740 CVR1451 133 3.2 179
Show 12236+6711 HDS1745 33 0.6 182
Show 12118+7312 LDS1749 148 8.9 185

 
 
WDS 12168+7009 : COMPONENTS
 
 
  A
B pa=0.7°
sep=2.13"
 
 
12168+7009 A
 
 
Componente originario normalizzato AB Name HD 106831 Coord arcsec 2000 121647.11+700845.7 Mag 9.37
Spectral class G0 (yellow) PmRA 48.00 PmDE -11.0 SAO 7536
HIP 59878 Tycho2 4397-01500-1 HD 106831 GC 16761
BD BD+70 690
Tycho2
Tycho2 4397-01500-1 Pflag RAmdeg 184.19628528 DEmdeg 70.14602783
PmRA 47.7 PmDE -10.8 E RAmdeg 11 E DEmdeg 11
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.00 EpDEm 1991.04
Num 4 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.1 BTmag 9.935 E BTmag 0.022 VTmag 9.373
E VTmag 0.017 Prox 21 TYC T HIP 59878
CCDM A RAdeg 184.19595944 DEdeg 70.14605278 EpRA 1990 1.66
EpDE 1990 1.66 E RAdeg 10.7 E DEdeg 10.7 Posflg D
Corr 0.0
SAO
SAO 7536 DelFlag RA1950 PmRA1950 0.0088
DE1950 PmDE1950 -0.007 Vmag 8.2 SpType G0
Double code Source 70 CatNum 16761 DM BD+70 690
DMcomp BDsup HD 106831 M HD 0
GC 16761 RA1950rad 3.20453121 DE1950rad 1.22912888 PmRA2000 0.009
PmDE2000 -0.004
Hipparcos
Catalog H HIP 59878 Proxy H RAhms 12 16 47.02
DEdms +70 08 45.8 Vmag 8.67 VarFlag R Vmag H
RAdeg 184.196 DEdeg 70.146 AstroRef A Plx 6.62
CCDM 12168+7009 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 3 Rho 2.138 HD 106831 BD BD+70 690
CD CP Dm number +70 690 VIred 0.59
SpType G0 R SpType Coord arcsec 2000 121647.02+700845.8
Hipparcos 2
HIP 59878 Sn 15 So 3 Nc 2
RArad 3.2148255037 DErad 1.2242795067 Plx 6.33 PmRA 54.25
PmDE 0.91 E RArad 0.96 E DErad 1.17 E Plx 1.34
E pmRA 1.36 E pmDE 1.2 Hpmag 8.7771 E Hpmag 0.0017
SHp 0.019 VA 0 BV 0.487 E BV 0.023
VI 0.56
CCDM
Ccdm 12168+7009 RComp Comp A Note1
Note2 Discov num DRAs -0.76 DDEs -13.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp G0 PmNote *
PmRA 59 PmDE 0 Dm number +70 690 Cat1 BD
Name2 +70 440 Cat2 AGK2/3 HD 106831 M HD
ADS BDS A 8498 M ADS BDS N IDS IDS 12120N7042A
HIC 59878
 
 
12168+7009 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121647.11+700847.8 Mag 9.55 Calc delta mag 0.18
Calc coord yes
CCDM
Ccdm 12168+7009 RComp Comp B Note1
Note2 Discov num STF1626 DRAs DDEs
R dRAs Year 1952 Theta 002 Rho 2.2
Obs 14 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8498 M ADS BDS N IDS IDS 12120N7042B
HIC 59878