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Doubles in session


Current system
12189+5622
STF 1630
HD 238098


Nearby doubles
25' : 12193+5558
CVR 651

36' : 12232+5621
MLB 67

50' : 12154+5702
BLL 29AB
Megrez

53' : 12162+5710
KPP3252

60' : 12197+5523
HJ 2608

63' : 12185+5725
STI2280

69' : 12193+5730
SMH 16

75' : 12225+5731
KPP3868

85' : 12144+5506
HJ 2604

88' : 12150+5501
HJ 2605

88' : 12289+5556
TDS8406

91' : 12227+5458
SLW 712

94' : 12296+5656
LDS2644

95' : 12272+5519
MLB1076

100' : 12085+5535
LDS3040

104' : 12066+5637
RAO 271

106' : 12081+5528
STF1603AB

107' : 12222+5805
WNC 4

107' : 12079+5719
CVR1408

114' : 12104+5455
ES 73AB

114' : 12052+5624
TDS8216

119' : 12243+5433
A 1598

119' : 12050+5651
HDS1701

120' : 12056+5659
A 1358AB

123' : 12339+5629
LDS1322

124' : 12094+5758
TDS8247



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.

12189+5622 STF 1630 (HD 238098)

 
 
12h 18m 53.81s +56° 22' 06.0" P.A. 171.00 sep 2.5 mag 9.50,10.26 Sp G0 dist. 105.71 pc (344.83 l.y.)
 
 
Coord 2000 12189+5622 Discov num STF1630 Comp Coord arcsec 2000 12 18 53.81 +56 22 06.0
Date first 1831 Date last 2017 Obs 26
Pa first 166 Pa last 171.1 P.A. Now (θ) 171.1°
Sep first 1.5 Sep last 2.542 Sep. Now (ρ) 2.542"
Mag pri 9.50 Mag sec 10.26 delta mag (ΔM) 0.76 Spectral class G0 (yellow)
Pri motion ra -011 Sec motion ra -011
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 238098 Constellation Ursa Major SAO 28334 HIP 60047
Tycho2 3837-00020-1 Gaia DR2 1574502132739787008 HD 238098 GC 16794
BD BD+57 1366 Distance 105.71 Distance ly 344.83
 
 
WDS 12189+5622 STF 1630 (HD 238098) : 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
12189+5622 STF1630 2004 20 169 2.4 9.50 10.26 G0 121853.81+562206.0
12189+5622 STF1630 2017 21 171 2.5 9.50 10.26 G0 121853.81+562206.0

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

 
 
WDS 12189+5622 STF 1630 (HD 238098) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12189+5622 STF 1630 (HD 238098) : MEASURES
 
 
No records found.

 
 
WDS 12189+5622 (HD 238098) : VIRTUAL EYEPIECE
 
 

12189+5622 STF1630A mag 9.5 Sp G0 12189+5622 STF1630B sep 2.5 P.A. 175.00 mag 10.26 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 12189+5622 (HD 238098) : ALADIN DSS IMAGE @ 12h 18m 53.81s +56° 22' 06.0"
 
 
 
 
WDS 12189+5622 STF 1630 (HD 238098) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12189+5622 STF1630 distance=1' 12193+5558 CVR 651 distance=25' 12232+5621 MLB 67 distance=36' 12154+5702 BLL 29AB (Megrez) distance=50' 12154+5702 BUP 140AC (Megrez) distance=50' 12154+5702 JNN 240AD (Megrez) distance=50' 12154+5702 JNN 240AE (Megrez) distance=50' 12162+5710 KPP3252 distance=53' 12197+5523 HJ 2608 distance=60' 12185+5725 STI2280 distance=63' 12193+5730 SMH 16 distance=69' 12225+5731 KPP3868 distance=75' 12144+5506 HJ 2604 distance=85' 12150+5501 HJ 2605 distance=88' 12289+5556 TDS8406 distance=88' 12227+5458 SLW 712 distance=91' 12296+5656 LDS2644 distance=94' 12272+5519 MLB1076 distance=95' 12085+5535 LDS3040 distance=100' 12066+5637 RAO 271 distance=104' 12081+5528 STF1603AB distance=106' 12222+5805 WNC 4 distance=107' 12079+5719 CVR1408 distance=107' 12104+5455 ES 73BC distance=113' 12104+5455 ES 73AB distance=114' 12052+5624 TDS8216 distance=114' 12243+5433 A 1598 distance=119' 12050+5651 HDS1701 distance=119' 12056+5659 A 1358AB distance=120' 12056+5659 A 1358AB,C distance=120' 12056+5659 YSC 211A,Bb distance=120' 12339+5629 LDS1322 distance=123' 12094+5758 TDS8247 distance=124' 12123+5429 VYS 5 distance=126' 12313+5507 BAG 50 distance=129' 12319+5736 SLN 71 distance=130' 12149+5830 CVR 125 distance=132' 12312+5747 UC 176 distance=132' 12318+5508 SKF2013 distance=133' 12309+5453 STI2285 distance=136' 12352+5617 STI2287 distance=137' 12115+5827 SLW 691 distance=139' 12238+5410 STT 249AB distance=140' 12238+5410 STT 249AB,C distance=140' 12339+5522 STI2286 distance=140' 12358+5635 STF1662 distance=141' 12358+5641 SLW 740 distance=141' 12030+5726 UC 2258 distance=146' 12362+5650 A 1601AB distance=146' 12362+5650 GII 190Aa,Ab distance=146' 12014+5600 STI2278 distance=148' 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 12189+5622 STF1630 171 2.5 1
Show 12193+5558 CVR 651 204 16.3 25
Show 12232+5621 MLB 67 136 8.5 36
Show Megrez 12154+5702 BLL 29 AB 75 181.9 50
Show Megrez 12154+5702 BUP 140 AC 130 174.8 50
Show Megrez 12154+5702 JNN 240 AD 113 3.3 50
Show Megrez 12154+5702 JNN 240 AE 169 5.7 50
Show 12162+5710 KPP3252 156 5.4 53
Show 12197+5523 HJ 2608 267 10.0 60
Show 12185+5725 STI2280 175 21.0 63
Show 12193+5730 SMH 16 331 9.6 69
Show 12225+5731 KPP3868 280 3.2 75
Show 12144+5506 HJ 2604 337 19.7 85
Show 12150+5501 HJ 2605 311 21.9 88
Show 12289+5556 TDS8406 256 1.7 88
Show 12227+5458 SLW 712 109 47.3 91
Show 12296+5656 LDS2644 162 36.7 94
Show 12272+5519 MLB1076 225 11.1 95
Show 12085+5535 LDS3040 96 216.6 100
Show 12066+5637 RAO 271 290 0.5 104
Show 12081+5528 STF1603 AB 83 22.2 106
Show 12222+5805 WNC 4 76 53.2 107
Show 12079+5719 CVR1408 267 3.9 107
Show 12104+5455 ES 73 BC 306 3.2 113
Show 12104+5455 ES 73 AB 29 37.6 114
Show 12052+5624 TDS8216 34 0.5 114
Show 12243+5433 A 1598 227 2.3 119
Show 12050+5651 HDS1701 321 2.1 119
Show 12056+5659 A 1358 AB 49 0.5 120
Show 12056+5659 A 1358 AB,C 173 34.8 120
Show 12056+5659 YSC 211 A,Bb 50 0.5 120
Show 12339+5629 LDS1322 211 6.5 123
Show 12094+5758 TDS8247 326 0.6 124
Show 12123+5429 VYS 5 10 14.7 126
Show 12313+5507 BAG 50 255 0.1 129
Show 12319+5736 SLN 71 120 3.2 130
Show 12149+5830 CVR 125 156 13.2 132
Show 12312+5747 UC 176 37 78.0 132
Show 12318+5508 SKF2013 75 6.6 133
Show 12309+5453 STI2285 337 9.5 136
Show 12352+5617 STI2287 81 16.2 137
Show 12115+5827 SLW 691 65 15.5 139
Show 12238+5410 STT 249 AB 257 0.4 140
Show 12238+5410 STT 249 AB,C 149 13.1 140
Show 12339+5522 STI2286 86 11.5 140
Show 12358+5635 STF1662 242 19.2 141
Show 12358+5641 SLW 740 211 8.6 141
Show 12030+5726 UC 2258 126 72.4 146
Show 12362+5650 A 1601 AB 75 2.4 146
Show 12362+5650 GII 190 Aa,Ab 125 0.1 146
Show 12014+5600 STI2278 297 4.9 148

 
 
WDS 12189+5622 : COMPONENTS
 
 
  A
B pa=175.0°
sep=2.52"
 
 
12189+5622 A
 
 
Componente originario normalizzato AB Name HD 238098 Coord arcsec 2000 121853.81+562206.0 Mag 9.5
Spectral class G0 (yellow) PmRA -11.00 PmDE -13.0 SAO 28334
HIP 60047 Tycho2 3837-00020-1 HD 238098 GC 16794
BD BD+57 1366
Tycho2
Tycho2 3837-00020-1 Pflag P RAmdeg 184.72421866 DEmdeg 56.36833864
PmRA -10.9 PmDE -12.7 E RAmdeg 11 E DEmdeg 11
E pmRA 2.5 E pmDE 2.6 EpRAm 1991.36 EpDEm 1991.25
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.5 BTmag 10.137 E BTmag 0.023 VTmag 9.501
E VTmag 0.018 Prox 25 TYC T HIP 60047
CCDM A RAdeg 184.72421333 DEdeg 56.36853056 EpRA 1990 1.64
EpDE 1990 1.53 E RAdeg 11.2 E DEdeg 11.0 Posflg D
Corr -0.2
SAO
SAO 28334 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 -0.032 Vmag 9 SpType G0
Double code Source 70 CatNum 16794 DM BD+57 1366
DMcomp BDsup HD 238098 M HD 0
GC 16794 RA1950rad 3.21343566 DE1950rad 0.98865372 PmRA2000 -0.0002
PmDE2000 -0.027
Hipparcos
Catalog H HIP 60047 Proxy H RAhms 12 18 53.81
DEdms +56 22 06.7 Vmag 9.03 VarFlag R Vmag H
RAdeg 184.724 DEdeg 56.3685 AstroRef A Plx 7.12
CCDM 12189+5622 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 170 Rho 2.53 HD 238098 BD BD+57 1366
CD CP Dm number +57 1366 VIred 0.56
SpType F8 R SpType Coord arcsec 2000 121853.81+562206.7
Hipparcos 2
HIP 60047 Sn 15 So 3 Nc 2
RArad 3.2240456417 DErad 0.9838165514 Plx 9.46 PmRA -6.2
PmDE -12.33 E RArad 0.72 E DErad 0.9 E Plx 1.13
E pmRA 0.86 E pmDE 0.89 Hpmag 9.1445 E Hpmag 0.002
SHp 0.026 VA 0 BV 0.527 E BV 0.024
VI 0.6
CCDM
Ccdm 12189+5622 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 4.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G0 PmNote *
PmRA -31 PmDE -36 Dm number +57 1366 Cat1 BD
Name2 +56 883 Cat2 AGK2/3 HD 238098 M HD
ADS BDS A 8507 M ADS BDS N IDS IDS 12140N5655A
HIC 60047
 
 
12189+5622 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 121853.84+562203.5 Mag 10.26 PmRA -11.00
PmDE -13.0 Tycho2 3837-00020-2 Calc delta mag 0.76 Calc coord yes
Tycho2
Tycho2 3837-00020-2 Pflag P RAmdeg 184.72421866 DEmdeg 56.36833864
PmRA -10.9 PmDE -12.7 E RAmdeg 11 E DEmdeg 11
E pmRA 2.5 E pmDE 2.6 EpRAm 1991.36 EpDEm 1991.25
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.5 BTmag 10.971 E BTmag 0.039 VTmag 10.255
E VTmag 0.030 Prox 25 TYC T HIP 60047
CCDM B RAdeg 184.72443139 DEdeg 56.36783639 EpRA 1990 1.64
EpDE 1990 1.52 E RAdeg 20.6 E DEdeg 20.1 Posflg D
Corr -0.2
CCDM
Ccdm 12189+5622 RComp Comp B Note1
Note2 Discov num STF1630 DRAs DDEs
R dRAs Year 1832 Theta 169 Rho 2.5
Obs 9 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8507 M ADS BDS N IDS IDS 12140N5655B
HIC 60047