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Doubles in session


Current system
12056+5156
STF 1600
HD 105031


Nearby doubles
45' : 12050+5113
A 1594

48' : 12063+5243
SKF2827

53' : 11599+5153
KPP3249

56' : 12115+5208
KPP 263

57' : 11598+5137
STF1587AB

57' : 12056+5253
STT 244

58' : 12044+5101
LEP 47AB

62' : 12056+5257
SKF2382

65' : 12043+5259
KPP1118

66' : 12026+5257
LDS3036

74' : 12126+5230
TDS8266

75' : 11598+5104
COU1906

79' : 12077+5313
LDS3039AB

80' : 12060+5317
LDS3037

82' : 12076+5037
LDS3038

88' : 12117+5050
STF1609AB

91' : 11582+5100
LDS3034

96' : 12049+5331
NSN 624

97' : 12000+5318
KPP1829

98' : 12152+5118
TDS8286

98' : 12150+5240
WIS 199

99' : 12059+5017
HDS1706

103' : 12154+5243
MLR 681AB

103' : 11598+5324
STT 243

105' : 12115+5325
STF1608AB

105' : 12038+5013
CVR 643



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.

12056+5156 STF 1600 (HD 105031)

 
 
12h 05m 34.42s +51° 55' 52.2" P.A. 92.00 sep 7.8 mag 7.63,8.28 Sp G8III dist. 369 pc (1203.68 l.y.)
 
 
Coord 2000 12056+5156 Discov num STF1600 Comp Coord arcsec 2000 12 05 34.42 +51 55 52.2
Date first 1824 Date last 2016 Obs 58
Pa first 96 Pa last 92.2 P.A. Now (θ) 92.2°
Sep first 8.3 Sep last 7.79 Sep. Now (ρ) 7.79"
Mag pri 7.63 Mag sec 8.28 delta mag (ΔM) 0.65 Spectral class G8III (yellow)
Pri motion ra +016 Sec motion ra +016
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 105031 Constellation Ursa Major SAO 28241 HIP 58980
Tycho2 3457-01067-1 Gaia DR2 1548577675783357568 HD 105031 GC 16521
BD BD+52 1608 Distance 369 Distance ly 1203.68
 
 
WDS 12056+5156 STF 1600 (HD 105031) : 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
12056+5156 STF1600 2007 48 93 7.9 7.63 8.28 G8III D 120534.42+515552.2
12056+5156 STF1600 2015 50 94 7.8 7.63 8.28 G8III 120534.42+515552.2
12056+5156 STF1600 2016 58 92 7.8 7.63 8.28 G8III 120534.42+515552.2

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

 
 
WDS 12056+5156 STF 1600 (HD 105031) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12056+5156 STF 1600 (HD 105031) : MEASURES
 
 
No records found.

 
 
WDS 12056+5156 (HD 105031) : VIRTUAL EYEPIECE
 
 

12056+5156 STF1600A mag 7.63 Sp G8III 12056+5156 STF1600B sep 4.8 P.A. 93.60 mag 8.28 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 12056+5156 (HD 105031) : ALADIN DSS IMAGE @ 12h 05m 34.42s +51° 55' 52.2"
 
 
 
 
WDS 12056+5156 STF 1600 (HD 105031) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12056+5156 STF1600 distance=0' 12050+5113 A 1594 distance=45' 12063+5243 SKF2827 distance=48' 11599+5153 KPP3249 distance=53' 12115+5208 KPP 263 distance=56' 11598+5137 STF1587AB distance=57' 11598+5137 SIN 68AC distance=57' 11598+5137 SIN 68AD distance=57' 12056+5253 STT 244 distance=57' 12044+5101 LEP 47AB distance=58' 12044+5101 LDS1276AC distance=58' 12044+5101 LMP 9AD distance=58' 12056+5257 SKF2382 distance=62' 12043+5259 KPP1118 distance=65' 12026+5257 LDS3036 distance=66' 12126+5230 TDS8266 distance=74' 11598+5104 COU1906 distance=75' 12077+5313 LDS3039AB distance=79' 12077+5313 TOK 554AC distance=79' 12060+5317 LDS3037 distance=80' 12076+5037 LDS3038 distance=82' 12117+5050 STF1609AB distance=88' 12117+5050 STF1609AC distance=88' 11582+5100 LDS3034 distance=91' 12077+5313 TOK 554CD distance=95' 12049+5331 NSN 624 distance=96' 12000+5318 KPP1829 distance=97' 12152+5118 TDS8286 distance=98' 12150+5240 WIS 199 distance=98' 12059+5017 HDS1706 distance=99' 12154+5243 MLR 681AB distance=103' 12154+5243 LDS3041AB,C distance=103' 11598+5324 STT 243 distance=103' 12115+5325 STF1608AB distance=105' 12115+5325 SHY 233AC distance=105' 12038+5013 CVR 643 distance=105' 11541+5217 DBR 286 distance=108' 12092+5013 COU2102 distance=108' 12039+5003 TDS8202 distance=115' 12022+5004 KPP2566 distance=117' 12163+5054 CRC 66 distance=118' 12165+5258 UC 2305 distance=118' 12058+5355 CBL 52 distance=120' 12176+5116 TDS8306 distance=120' 12048+5401 CVR1404 distance=126' 12190+5132 LDS3042 distance=128' 12110+5354 A 1595 distance=128' 12133+5009 CBL 594 distance=129' 12032+4949 CBL 370 distance=130' 12192+5233 LDS3043 distance=131' 12170+5036 SLW 702 distance=134' 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 12056+5156 STF1600 92 7.8
Show 12050+5113 A 1594 129 1.6 45
Show 12063+5243 SKF2827 356 1.9 48
Show 11599+5153 KPP3249 21 4.8 53
Show 12115+5208 KPP 263 61 4.9 56
Show 11598+5137 STF1587 AB 288 16.8 57
Show 11598+5137 SIN 68 AC 11 65.2 57
Show 11598+5137 SIN 68 AD 291 79.0 57
Show 12056+5253 STT 244 324 3.1 57
Show 12044+5101 LEP 47 AB 90 5.5 58
Show 12044+5101 LDS1276 AC 148 39.5 58
Show 12044+5101 LMP 9 AD 94 83.0 58
Show 12056+5257 SKF2382 172 1.5 62
Show 12043+5259 KPP1118 355 8.8 65
Show 12026+5257 LDS3036 174 155.2 66
Show 12126+5230 TDS8266 184 0.9 74
Show 11598+5104 COU1906 78 0.9 75
Show 12077+5313 LDS3039 AB 10 17.0 79
Show 12077+5313 TOK 554 AC 54 999.9 79
Show 12060+5317 LDS3037 220 7.8 80
Show 12076+5037 LDS3038 21 13.9 82
Show 12117+5050 STF1609 AB 204 11.2 88
Show 12117+5050 STF1609 AC 146 68.6 88
Show 11582+5100 LDS3034 155 19.9 91
Show 12077+5313 TOK 554 CD 259 986.4 95
Show 12049+5331 NSN 624 250 5.7 96
Show 12000+5318 KPP1829 247 14.2 97
Show 12152+5118 TDS8286 180 2.1 98
Show 12150+5240 WIS 199 304 188.9 98
Show 12059+5017 HDS1706 130 0.6 99
Show 12154+5243 MLR 681 AB 19 0.2 103
Show 12154+5243 LDS3041 AB,C 229 124.1 103
Show 11598+5324 STT 243 8 1.2 103
Show 12115+5325 STF1608 AB 221 13.6 105
Show 12115+5325 SHY 233 AC 117 999.9 105
Show 12038+5013 CVR 643 113 23.3 105
Show 11541+5217 DBR 286 358 2.5 108
Show 12092+5013 COU2102 304 0.4 108
Show 12039+5003 TDS8202 94 1.4 115
Show 12022+5004 KPP2566 57 23.2 117
Show 12163+5054 CRC 66 188 1.9 118
Show 12165+5258 UC 2305 299 16.7 118
Show 12058+5355 CBL 52 350 54.6 120
Show 12176+5116 TDS8306 191 0.6 120
Show 12048+5401 CVR1404 356 3.1 126
Show 12190+5132 LDS3042 304 7.1 128
Show 12110+5354 A 1595 314 3.0 128
Show 12133+5009 CBL 594 94 9.3 129
Show 12032+4949 CBL 370 165 19.3 130
Show 12192+5233 LDS3043 285 107.4 131
Show 12170+5036 SLW 702 149 153.7 134

 
 
WDS 12056+5156 : COMPONENTS
 
 
  A
B pa=93.6°
sep=4.81"
 
 
12056+5156 A
 
 
Componente originario normalizzato AB Name HD 105031 Coord arcsec 2000 120534.42+515552.2 Mag 7.63
Spectral class G8III (yellow) PmRA 16.00 PmDE -6.0 SAO 28241
HIP 58980 Tycho2 3457-01067-1 HD 105031 GC 16521
BD BD+52 1608
Tycho2
Tycho2 3457-01067-1 Pflag RAmdeg 181.39341946 DEmdeg 51.93117942
PmRA 17.6 PmDE -7.7 E RAmdeg 5 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.02 EpDEm 1991.53
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 8.629 E BTmag 0.015 VTmag 7.625
E VTmag 0.010 Prox 78 TYC T HIP 58980
CCDM A RAdeg 181.39335056 DEdeg 51.93119722 EpRA 1990 1.30
EpDE 1990 1.68 E RAdeg 4.6 E DEdeg 3.8 Posflg
Corr -0.5
SAO
SAO 28241 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.002 Vmag 7 SpType F5
Double code Source 70 CatNum 16521 DM BD+52 1608
DMcomp BDsup HD 105031 M HD 0
GC 16521 RA1950rad 3.15483694 DE1950rad 0.91123019 PmRA2000 0.0014
PmDE2000 0.003
Hipparcos
Catalog H HIP 58980 Proxy H RAhms 12 05 34.40
DEdms +51 55 52.3 Vmag 7.09 VarFlag R Vmag H
RAdeg 181.393 DEdeg 51.9312 AstroRef A Plx 4.37
CCDM 12056+5156 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 92 Rho 7.788 HD 105031 BD BD+52 1608
CD CP Dm number +52 1608 VIred 0.89
SpType G8III compSB R SpType Coord arcsec 2000 120534.40+515552.3
Hipparcos 2
HIP 58980 Sn 15 So 3 Nc 2
RArad 3.1659111638 DErad 0.9063703861 Plx 2.71 PmRA 14.8
PmDE -6.12 E RArad 0.62 E DErad 0.6 E Plx 1.33
E pmRA 0.92 E pmDE 0.75 Hpmag 7.2194 E Hpmag 0.0009
SHp 0.015 VA 2 BV 0.632 E BV 0.02
VI 0.7
CCDM
Ccdm 12056+5156 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs -8.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.4 Sp F5 PmNote *
PmRA 32 PmDE -26 Dm number +52 1608 Cat1 BD
Name2 +52 878 Cat2 AGK2/3 HD 105031 M HD
ADS BDS A 8414 M ADS BDS N IDS IDS 12005N5229A
HIC 58980
 
 
12056+5156 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 120534.94+515551.9 Mag 8.28 PmRA 16.00
PmDE -6.0 Tycho2 3457-01878-1 Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 3457-01878-1 Pflag RAmdeg 181.39693229 DEmdeg 51.93108572
PmRA 17.7 PmDE -8.1 E RAmdeg 5 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.07 EpDEm 1991.51
Num 8 Q RAmdeg 2.6 Q DEmdeg 1.0 Q pmRA 2.7
Q pmDE 1.0 BTmag 8.565 E BTmag 0.016 VTmag 8.279
E VTmag 0.011 Prox 78 TYC T HIP 58980
CCDM B RAdeg 181.39686333 DEdeg 51.93110444 EpRA 1990 1.33
EpDE 1990 1.67 E RAdeg 5.3 E DEdeg 4.3 Posflg
Corr -0.4
CCDM
Ccdm 12056+5156 RComp Comp B Note1
Note2 Discov num STF1600 DRAs -0.60 DDEs -8.7
R dRAs 91 Year 1832 Theta 093 Rho 7.7
Obs 16 Vmag 8.4 Sp PmNote *
PmRA 32 PmDE -24 Dm number Cat1
Name2 +52 879 Cat2 AGK2/3 HD M HD
ADS BDS A 8414 M ADS BDS N IDS IDS 12005N5229B
HIC 58980