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Doubles in session


Current system
11443+3900
STF 1569
HD 101977


Nearby doubles
14' : 11454+3856
UC 2205

18' : 11454+3912
UC 2204

30' : 11428+3837
TDS8004

41' : 11412+3920
OSO 42AB

41' : 11424+3934
GRV 841

46' : 11422+3940
HJ 508AB

59' : 11472+3812
CRB 90

63' : 11487+3937
COU1263

65' : 11388+3910
HJ 506

65' : 11461+4002
KPP3853

67' : 11460+4004
A 1997

68' : 11500+3916
TDS8056

70' : 11448+3751
UC 165

72' : 11383+3845
ES 306

74' : 11506+3903
CVR1386

79' : 11486+3800
COU1128

80' : 11401+3758
CBL 349

84' : 11512+3841
COU1130

85' : 11403+3750
ALI 854

89' : 11370+3836
UC 2175

92' : 11443+4032
OSO 43

93' : 11499+3754
COU1129AB

95' : 11524+3904
HDS1674AB

96' : 11461+3727
ES 1738

97' : 11371+3948
CVR 119

100' : 11523+3827
LDS4151



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.

11443+3900 STF 1569 (HD 101977)

 
 
11h 44m 18.43s +39° 00' 24.5" P.A. 321.00 sep 3.7 mag 8.83,10.59 Sp F0 dist. 307.69 pc (1003.68 l.y.)
 
 
Coord 2000 11443+3900 Discov num STF1569 Comp Coord arcsec 2000 11 44 18.43 +39 00 24.5
Date first 1831 Date last 2019 Obs 23
Pa first 324 Pa last 321.4 P.A. Now (θ) 321.4°
Sep first 3.6 Sep last 3.737 Sep. Now (ρ) 3.737"
Mag pri 8.83 Mag sec 10.59 delta mag (ΔM) 1.76 Spectral class F0 (yellow-white)
Pri motion ra +006 Sec motion ra -004
Pri motion dec -014 Sec motion dec -007
Notes
rPM=0.801
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 101977 Constellation Ursa Major SAO 62678 HIP 57245
Tycho2 3014-01504-1 Gaia DR2 766608270282169472 HD 101977 GC 16107
BD BD+39 2465 Distance 307.69 Distance ly 1003.68
 
 
WDS 11443+3900 STF 1569 (HD 101977) : 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
11443+3900 STF1569 1997 14 323 3.6 8.83 10.59 F0 114418.43+390024.5
11443+3900 STF1569 2002 15 322 3.8 8.83 10.59 F0 114418.43+390024.5
11443+3900 STF1569 2015 16 322 3.9 8.83 10.59 F0 114418.43+390024.5
11443+3900 STF1569 2019 22 321 3.7 8.83 10.59 F0 114418.43+390024.5

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

 
 
WDS 11443+3900 STF 1569 (HD 101977) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11443+3900 STF 1569 (HD 101977) : MEASURES
 
 
No records found.

 
 
WDS 11443+3900 (HD 101977) : VIRTUAL EYEPIECE
 
 

11443+3900 STF1569A mag 8.83 Sp F0 11443+3900 STF1569B sep 3.4 P.A. 328.20 mag 10.59 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 11443+3900 (HD 101977) : ALADIN DSS IMAGE @ 11h 44m 18.43s +39° 00' 24.5"
 
 
 
 
WDS 11443+3900 STF 1569 (HD 101977) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11443+3900 STF1569 distance=0' 11454+3856 UC 2205 distance=14' 11454+3912 UC 2204 distance=18' 11428+3837 TDS8004 distance=30' 11412+3920 OSO 42AB distance=41' 11412+3920 LDS4135AC distance=41' 11424+3934 GRV 841 distance=41' 11422+3940 HJ 508AB distance=46' 11472+3812 CRB 90 distance=59' 11487+3937 COU1263 distance=63' 11388+3910 HJ 506 distance=65' 11461+4002 KPP3853 distance=65' 11460+4004 A 1997 distance=67' 11500+3916 TDS8056 distance=68' 11448+3751 UC 165 distance=70' 11383+3845 ES 306 distance=72' 11506+3903 CVR1386 distance=74' 11486+3800 COU1128 distance=79' 11401+3758 CBL 349 distance=80' 11512+3841 COU1130 distance=84' 11403+3750 ALI 854 distance=85' 11370+3836 UC 2175 distance=89' 11443+4032 OSO 43 distance=92' 11499+3754 COU1129AB distance=93' 11499+3754 UR 6AB,C distance=93' 11524+3904 HDS1674AB distance=95' 11524+3904 HDS1674AC distance=95' 11461+3727 ES 1738 distance=96' 11371+3948 CVR 119 distance=97' 11523+3827 LDS4151 distance=100' 11526+3834 SKF2578 distance=101' 11431+4040 UC 2196 distance=101' 11496+4022 CLZ 53 distance=103' 11355-3856 CRC 63 distance=103' 11358+3831 GRV 839 distance=103' 11487+4030 COU1262 distance=104' 11385+3743 SLW 622 distance=104' 11527+3937 SKF2693AB distance=105' 11498+4024 SKF2692 distance=106' 11503+3741 HDS1670AB distance=107' 11503+3741 HJ 510AB,C distance=107' 11431+3715 HU 1135 distance=107' 11391+4042 SKF2631 distance=118' 11472+4100 SLW 648 distance=124' 11530+4018 SKF2694 distance=127' 11371+4040 A 1996 distance=130' 11554+3919 SKF2579 distance=131' 11541+3757 SKF2695 distance=132' 11376+4056 LDS4124 distance=139' 11512+3708 NSN 50 distance=139' 11478+3648 SKF2577 distance=140' 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 11443+3900 STF1569 321 3.7
Show 11454+3856 UC 2205 13 33.1 14
Show 11454+3912 UC 2204 49 14.6 18
Show 11428+3837 TDS8004 13 0.8 30
Show 11412+3920 OSO 42 AB 153 4.8 41
Show 11412+3920 LDS4135 AC 283 360.0 41
Show 11424+3934 GRV 841 203 64.5 41
Show 11422+3940 HJ 508 AB 129 11.6 46
Show 11472+3812 CRB 90 192 36.6 59
Show 11487+3937 COU1263 240 0.4 63
Show 11388+3910 HJ 506 142 30.9 65
Show 11461+4002 KPP3853 69 14.6 65
Show 11460+4004 A 1997 271 3.8 67
Show 11500+3916 TDS8056 259 0.6 68
Show 11448+3751 UC 165 234 8.4 70
Show 11383+3845 ES 306 342 7.0 72
Show 11506+3903 CVR1386 117 4.9 74
Show 11486+3800 COU1128 58 1.5 79
Show 11401+3758 CBL 349 197 18.9 80
Show 11512+3841 COU1130 327 2.3 84
Show 11403+3750 ALI 854 346 8.8 85
Show 11370+3836 UC 2175 116 19.6 89
Show 11443+4032 OSO 43 275 18.7 92
Show 11499+3754 COU1129 AB 122 0.5 93
Show 11499+3754 UR 6 AB,C 270 54.6 93
Show 11524+3904 HDS1674 AB 28 4.8 95
Show 11524+3904 HDS1674 AC 342 9.7 95
Show 11461+3727 ES 1738 164 1.8 96
Show 11371+3948 CVR 119 147 23.2 97
Show 11523+3827 LDS4151 78 24.8 100
Show 11526+3834 SKF2578 6 4.4 101
Show 11431+4040 UC 2196 114 20.3 101
Show 11496+4022 CLZ 53 131 22.0 103
Show 11355-3856 CRC 63 66 0.3 103
Show 11358+3831 GRV 839 11 72.3 103
Show 11487+4030 COU1262 251 0.7 104
Show 11385+3743 SLW 622 319 9.2 104
Show 11527+3937 SKF2693 AB 4 12.4 105
Show 11498+4024 SKF2692 27 77.7 106
Show 11503+3741 HDS1670 AB 25 1.2 107
Show 11503+3741 HJ 510 AB,C 252 25.0 107
Show 11431+3715 HU 1135 334 0.7 107
Show 11391+4042 SKF2631 43 11.0 118
Show 11472+4100 SLW 648 150 73.9 124
Show 11530+4018 SKF2694 116 25.5 127
Show 11371+4040 A 1996 189 2.0 130
Show 11554+3919 SKF2579 342 6.5 131
Show 11541+3757 SKF2695 203 15.2 132
Show 11376+4056 LDS4124 154 150.9 139
Show 11512+3708 NSN 50 11 4.2 139
Show 11478+3648 SKF2577 284 45.9 140

 
 
WDS 11443+3900 : COMPONENTS
 
 
  A
B pa=328.2°
sep=3.44"
 
 
11443+3900 A
 
 
Componente originario normalizzato AB Name HD 101977 Coord arcsec 2000 114418.43+390024.5 Mag 8.83
Spectral class F0 (yellow-white) PmRA 6.00 PmDE -14.0 SAO 62678
HIP 57245 Tycho2 3014-01504-1 HD 101977 GC 16107
BD BD+39 2465
Tycho2
Tycho2 3014-01504-1 Pflag RAmdeg 176.07679096 DEmdeg 39.00680240
PmRA 4.0 PmDE -12.1 E RAmdeg 8 E DEmdeg 7
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.08 EpDEm 1991.53
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.7 Q pmRA 0.2
Q pmDE 0.7 BTmag 9.198 E BTmag 0.017 VTmag 8.828
E VTmag 0.014 Prox 38 TYC T HIP 57245
CCDM A RAdeg 176.07677861 DEdeg 39.00683028 EpRA 1990 1.34
EpDE 1990 1.72 E RAdeg 7.9 E DEdeg 7.0 Posflg
Corr 0.2
SAO
SAO 62678 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.007 Vmag 8.8 SpType F0
Double code Source 70 CatNum 16107 DM BD+39 2465
DMcomp BDsup HD 101977 M HD 0
GC 16107 RA1950rad 3.06164597 DE1950rad 0.68564357 PmRA2000 0.0011
PmDE2000 -0.002
Hipparcos
Catalog H HIP 57245 Proxy H RAhms 11 44 18.43
DEdms +39 00 24.6 Vmag 8.62 VarFlag 2 R Vmag G
RAdeg 176.077 DEdeg 39.0068 AstroRef A Plx 3.32
CCDM 11443+3900 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 323 Rho 3.783 HD 101977 BD BD+39 2465
CD CP Dm number +39 2465 VIred 0.42
SpType F0 R SpType Coord arcsec 2000 114418.43+390024.6
Hipparcos 2
HIP 57245 Sn 15 So 3 Nc 2
RArad 3.0731195296 DErad 0.6807976701 Plx 3.25 PmRA 0.82
PmDE -5.31 E RArad 0.76 E DErad 0.98 E Plx 1.38
E pmRA 0.87 E pmDE 0.87 Hpmag 8.6936 E Hpmag 0.003
SHp 0.027 VA 2 BV 0.362 E BV 0.021
VI 0.42
CCDM
Ccdm 11443+3900 RComp Comp A Note1
Note2 Discov num DRAs 0.43 DDEs 24.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp F0 PmNote *
PmRA 10 PmDE -6 Dm number +39 2465 Cat1 BD
Name2 62678 Cat2 SAO HD 101977 M HD
ADS BDS A 8286 M ADS BDS N IDS IDS 11390N3934A
HIC 57245
 
 
11443+3900 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 114418.27+390027.4 Mag 10.59 PmRA -4.00
PmDE -7.0 Calc delta mag 1.76 Calc coord yes
CCDM
Ccdm 11443+3900 RComp Comp B Note1
Note2 Discov num STF1569 DRAs DDEs
R dRAs Year 1831 Theta 325 Rho 3.6
Obs 10 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8286 M ADS BDS N IDS IDS 11390N3934B
HIC 57245