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Doubles in session


Current system
12306+0331
STF 1648
HD 108877


Nearby doubles
22' : 12292+0335
GWP1818

28' : 12297+0306
UC 174

33' : 12321+0354
A 1599

34' : 12284+0321
GWP1814

41' : 12288+0300
CVR1438

41' : 12299+0410
GWP1819

48' : 12313+0244
BAL2390

57' : 12342+0314
RAO 282

58' : 12273+0359
UC 2342

58' : 12314+0234
SLW 732

58' : 12336+0255
HDS1764

60' : 12290+0425
SLW 728

62' : 12342+0359
RAO 281

64' : 12283+0424
BU 923AB

66' : 12286+0431
J 1022

68' : 12306+0223
UC 2351

69' : 12345+0257
KPP1752

69' : 12286+0433
TMA 1

80' : 12359+0324
CVR 657

85' : 12264+0234
SLW 720

85' : 12311+0207
AG 178

87' : 12332+0213
RAO 280

88' : 12322+0206
CVR1444

92' : 12348+0436
SLW 738

97' : 12243+0349
BAL2852

99' : 12241+0357
LDS4205



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.

12306+0331 STF 1648 (HD 108877)

 
 
12h 30m 34.42s +03° 30' 29.6" P.A. 40.00 sep 8.1 mag 7.54,9.78 Sp G8III dist. 337.84 pc (1102.03 l.y.)
 
 
Coord 2000 12306+0331 Discov num STF1648 Comp Coord arcsec 2000 12 30 34.42 +03 30 29.6
Date first 1829 Date last 2016 Obs 41
Pa first 38 Pa last 39.8 P.A. Now (θ) 39.8°
Sep first 7.8 Sep last 8.082 Sep. Now (ρ) 8.082"
Mag pri 7.54 Mag sec 9.78 delta mag (ΔM) 2.24 Spectral class G8III (yellow)
Pri motion ra -037 Sec motion ra -037
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 108877 Constellation Virgo SAO 119437 HIP 61037
Tycho2 0292-01156-1 Gaia DR2 3706823858991272832 HD 108877 GC 17048
BD BD+04 2622 Distance 337.84 Distance ly 1102.03
 
 
WDS 12306+0331 STF 1648 (HD 108877) : 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
12306+0331 STF1648 2005 31 39 7.9 7.54 9.78 G8III D 123034.42+033029.6
12306+0331 STF1648 2013 33 40 8.3 7.54 9.78 G8III D 123034.42+033029.6
12306+0331 STF1648 2016 35 40 8.1 7.54 9.78 G8III 123034.42+033029.6

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

 
 
WDS 12306+0331 STF 1648 (HD 108877) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/05/18 daedalus1   separated 40   Seeing Pickering 5, poor. NELM 4.8 Measures: theta 040, rho 8".16

 
 
WDS 12306+0331 STF 1648 (HD 108877) : MEASURES
 
 
No records found.

 
 
WDS 12306+0331 (HD 108877) : VIRTUAL EYEPIECE
 
 

12306+0331 STF1648A mag 7.54 Sp G8III 12306+0331 STF1648B sep 8.1 P.A. 39.70 mag 9.78 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 12306+0331 (HD 108877) : ALADIN DSS IMAGE @ 12h 30m 34.42s +03° 30' 29.6"
 
 
 
 
WDS 12306+0331 STF 1648 (HD 108877) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12306+0331 STF1648 distance=1' 12292+0335 GWP1818 distance=22' 12297+0306 UC 174 distance=28' 12321+0354 A 1599 distance=33' 12284+0321 GWP1814 distance=34' 12288+0300 CVR1438 distance=41' 12299+0410 GWP1819 distance=41' 12313+0244 BAL2390 distance=48' 12342+0314 RAO 282 distance=57' 12273+0359 UC 2342 distance=58' 12314+0234 SLW 732 distance=58' 12336+0255 HDS1764 distance=58' 12290+0425 SLW 728 distance=60' 12342+0359 RAO 281 distance=62' 12283+0424 BU 923AB distance=64' 12283+0424 FOX 176AC distance=64' 12286+0431 J 1022 distance=66' 12306+0223 UC 2351 distance=68' 12345+0257 KPP1752 distance=69' 12286+0433 TMA 1 distance=69' 12359+0324 CVR 657 distance=80' 12264+0234 SLW 720 distance=85' 12311+0207 AG 178 distance=85' 12332+0213 RAO 280 distance=87' 12322+0206 CVR1444 distance=88' 12348+0436 SLW 738 distance=92' 12243+0349 BAL2852 distance=97' 12241+0357 LDS4205 distance=99' 12371+0407 NSN 631 distance=104' 12247+0225 AG 177AB distance=110' 12247+0225 AG 177AC distance=110' 12280+0513 LDS4210 distance=110' 12349+0500 UC 2366 distance=111' 12383+0330 BAL2854 distance=116' 12275+0519 TDS8391 distance=118' 12227+0325 CBL 380 distance=118' 12223+0318 STT 247 distance=125' 12367+0455 SLW 743 distance=125' 12228+0246 UC 171 distance=125' 12227+0238 BAL2389 distance=130' 12312+0120 A 2583BC distance=131' 12312+0120 SHJ 146AB distance=132' 12312+0120 A 2583AC distance=132' 12289+0122 LDS2882 distance=132' 12232+0442 NSN 51 distance=133' 12217+0333 HU 737 distance=133' 12220+0416 SHN 156 distance=137' 12367+0150 SLW 744 distance=137' 12354+0135 BAL1886 distance=137' 12214+0310 BAL2388 distance=139' 12211+0323 BAL2387 distance=143' 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 12306+0331 STF1648 40 8.1 1
Show 12292+0335 GWP1818 143 101.6 22
Show 12297+0306 UC 174 304 34.5 28
Show 12321+0354 A 1599 100 0.2 33
Show 12284+0321 GWP1814 312 55.7 34
Show 12288+0300 CVR1438 217 3.6 41
Show 12299+0410 GWP1819 4 4.1 41
Show 12313+0244 BAL2390 330 9.3 48
Show 12342+0314 RAO 282 264 0.8 57
Show 12273+0359 UC 2342 225 49.7 58
Show 12314+0234 SLW 732 173 10.8 58
Show 12336+0255 HDS1764 72 0.3 58
Show 12290+0425 SLW 728 249 13.0 60
Show 12342+0359 RAO 281 114 0.5 62
Show 12283+0424 BU 923 AB 56 3.0 64
Show 12283+0424 FOX 176 AC 76 66.5 64
Show 12286+0431 J 1022 221 2.6 66
Show 12306+0223 UC 2351 131 28.5 68
Show 12345+0257 KPP1752 248 13.6 69
Show 12286+0433 TMA 1 38 4.7 69
Show 12359+0324 CVR 657 140 9.3 80
Show 12264+0234 SLW 720 74 28.3 85
Show 12311+0207 AG 178 284 1.3 85
Show 12332+0213 RAO 280 131 0.9 87
Show 12322+0206 CVR1444 113 3.3 88
Show 12348+0436 SLW 738 25 173.0 92
Show 12243+0349 BAL2852 89 5.2 97
Show 12241+0357 LDS4205 293 37.1 99
Show 12371+0407 NSN 631 187 1.6 104
Show 12247+0225 AG 177 AB 221 7.3 110
Show 12247+0225 AG 177 AC 57 96.3 110
Show 12280+0513 LDS4210 250 30.9 110
Show 12349+0500 UC 2366 319 29.5 111
Show 12383+0330 BAL2854 301 16.6 116
Show 12275+0519 TDS8391 313 1.0 118
Show 12227+0325 CBL 380 339 39.7 118
Show 12223+0318 STT 247 47 14.0 125
Show 12367+0455 SLW 743 308 15.2 125
Show 12228+0246 UC 171 53 40.8 125
Show 12227+0238 BAL2389 106 2.8 130
Show 12312+0120 A 2583 BC 105 46.3 131
Show 12312+0120 SHJ 146 AB 290 49.5 132
Show 12312+0120 A 2583 AC 335 5.0 132
Show 12289+0122 LDS2882 161 85.0 132
Show 12232+0442 NSN 51 233 4.7 133
Show 12217+0333 HU 737 56 2.6 133
Show 12220+0416 SHN 156 -1 0.5 137
Show 12367+0150 SLW 744 298 14.3 137
Show 12354+0135 BAL1886 95 8.3 137
Show 12214+0310 BAL2388 275 17.7 139
Show 12211+0323 BAL2387 207 9.3 143

 
 
WDS 12306+0331 : COMPONENTS
 
 
  A
B pa=39.7°
sep=8.08"
 
 
12306+0331 A
 
 
Componente originario normalizzato AB Name HD 108877 Coord arcsec 2000 123034.42+033029.6 Mag 7.54
Spectral class G8III (yellow) PmRA -37.00 PmDE -7.0 SAO 119437
HIP 61037 Tycho2 0292-01156-1 HD 108877 GC 17048
BD BD+04 2622
Tycho2
Tycho2 0292-01156-1 Pflag RAmdeg 187.64341236 DEmdeg 3.50823477
PmRA -39.4 PmDE -4.3 E RAmdeg 6 E DEmdeg 7
E pmRA 0.8 E pmDE 0.8 EpRAm 1990.86 EpDEm 1990.44
Num 20 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.5 BTmag 8.659 E BTmag 0.019 VTmag 7.542
E VTmag 0.012 Prox 80 TYC T HIP 61037
CCDM A RAdeg 187.64350417 DEdeg 3.50824528 EpRA 1990 1.71
EpDE 1990 1.57 E RAdeg 5.9 E DEdeg 6.7 Posflg
Corr 0.1
SAO
SAO 119437 DelFlag RA1950 PmRA1950 -0.0023
DE1950 PmDE1950 -0.021 Vmag 7.4 SpType K0
Double code Source 70 CatNum 17048 DM BD+04 2622
DMcomp BDsup HD 108877 M HD 0
GC 17048 RA1950rad 3.26386435 DE1950rad 0.06604759 PmRA2000 -0.0021
PmDE2000 -0.017
Hipparcos
Catalog H HIP 61037 Proxy H RAhms 12 30 34.44
DEdms +03 30 29.7 Vmag 7.34 VarFlag R Vmag H
RAdeg 187.644 DEdeg 3.50825 AstroRef A Plx 1.29
CCDM 12306+0331 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 40 Rho 7.977 HD 108877 BD BD+04 2622
CD CP Dm number +04 2622 VIred 0.94
SpType G8III... R SpType Coord arcsec 2000 123034.44+033029.7
Hipparcos 2
HIP 61037 Sn 15 So 3 Nc 2
RArad 3.2749970517 DErad 0.0612304897 Plx 2.96 PmRA -38.91
PmDE -6.27 E RArad 0.9 E DErad 0.66 E Plx 1.08
E pmRA 0.82 E pmDE 0.61 Hpmag 7.4965 E Hpmag 0.0019
SHp 0.013 VA 0 BV 0.901 E BV 0.013
VI 0.9
CCDM
Ccdm 12306+0331 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs -30.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp K0 PmNote *
PmRA -54 PmDE -13 Dm number +04 2622 Cat1 BD
Name2 +03 1623 Cat2 AGK2/3 HD 108877 M HD
ADS BDS A 8576 M ADS BDS N IDS IDS 12255N0404A
HIC 61037
 
 
12306+0331 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123034.76+033035.8 Mag 9.78 PmRA -37.00
PmDE -7.0 Calc delta mag 2.24 Calc coord yes
CCDM
Ccdm 12306+0331 RComp Comp B Note1
Note2 Discov num STF1648 DRAs -1.30 DDEs -24.7
R dRAs 91 Year 1829 Theta 040 Rho 8.0
Obs 13 Vmag 9.6 Sp PmNote *
PmRA -54 PmDE -13 Dm number Cat1
Name2 +03 1624 Cat2 AGK2/3 HD M HD
ADS BDS A 8576 M ADS BDS N IDS IDS 12255N0404B
HIC 61037