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Doubles in session


Current system
08263+3733
STF 1222
HD 70987


Nearby doubles
15' : 08254+3723
HU 856

19' : 08251+3723
STJ 76

20' : 08250+3721
SKF 633

26' : 08242+3737
ES 1732

32' : 08273+3802
HDS1205

35' : 08235+3738
CVR 494

46' : 08225+3728
CBL 251

61' : 08213+3740
OSW 42

64' : 08223+3814
COU2079

64' : 08285+3634
SKF 648

65' : 08302+3815
ES 2012

66' : 08212+3758
PTT 21

72' : 08314+3655
SLW 259

74' : 08325+3729
STF1239

74' : 08272+3846
SKF 643

74' : 08259+3847
OSW 44

75' : 08213+3649
SLW 242

78' : 08329+3733
SKF 669

85' : 08262+3608
ES 2160

86' : 08197+3737
PTT 20

87' : 08292+3852
COU2081

94' : 08264+3906
COU2080AB

96' : 08216+3616
HU 852AB

97' : 08201+3834
GIC 80

99' : 08213+3851
COU2078

101' : 08214+3855
SKF 624



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.

08263+3733 STF 1222 (HD 70987)

 
 
08h 26m 20.39s +37° 32' 43.3" P.A. 50.00 sep 9.9 mag 8.71,10.20 Sp A3 dist. 502.51 pc (1639.19 l.y.)
 
 
Coord 2000 08263+3733 Discov num STF1222 Comp Coord arcsec 2000 08 26 20.39 +37 32 43.3
Date first 1830 Date last 2017 Obs 29
Pa first 47 Pa last 50.2 P.A. Now (θ) 50.2°
Sep first 10.0 Sep last 9.88 Sep. Now (ρ) 9.88"
Mag pri 8.71 Mag sec 10.20 delta mag (ΔM) 1.49 Spectral class A3 (white)
Pri motion ra -017 Sec motion ra -017
Pri motion dec -013 Sec motion dec -014
Notes T (Parallax indicates physical)
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 70987 Constellation Lynx SAO 60809 HIP 41367
Tycho2 2974-02071-1 Gaia DR2 905097459221415168 HD 70987 GC 11495
BD BD+38 1908 Distance 502.51 Distance ly 1639.19
 
 
WDS 08263+3733 STF 1222 (HD 70987) : 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
08263+3733 STF1222 2004 19 49 9.9 8.71 10.20 A3 YD 082620.39+373243.3
08263+3733 STF1222 2012 21 52 10.1 8.71 10.20 A3 Y 082620.39+373243.3
08263+3733 STF1222 2015 22 49 10.0 8.71 10.20 A3 Y 082620.39+373243.3
08263+3733 STF1222 2016 27 49 10.0 8.71 10.20 A3 T 082620.39+373243.3
08263+3733 STF1222 2017 29 50 9.9 8.71 10.20 A3 T 082620.39+373243.3

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

 
 
WDS 08263+3733 STF 1222 (HD 70987) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08263+3733 STF 1222 (HD 70987) : MEASURES
 
 
No records found.

 
 
WDS 08263+3733 (HD 70987) : VIRTUAL EYEPIECE
 
 

08263+3733 STF1222A mag 8.71 Sp A3 08263+3733 STF1222B sep 8.7 P.A. 43.60 mag 10.2 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 08263+3733 (HD 70987) : ALADIN DSS IMAGE @ 08h 26m 20.39s +37° 32' 43.3"
 
 
 
 
WDS 08263+3733 STF 1222 (HD 70987) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08263+3733 STF1222 distance=0' 08254+3723 HU 856 distance=15' 08251+3723 STJ 76 distance=19' 08250+3721 SKF 633 distance=20' 08242+3737 ES 1732 distance=26' 08273+3802 HDS1205 distance=32' 08235+3738 CVR 494 distance=35' 08225+3728 CBL 251 distance=46' 08213+3740 OSW 42 distance=61' 08223+3814 COU2079 distance=64' 08285+3634 SKF 648 distance=64' 08302+3815 ES 2012 distance=65' 08212+3758 PTT 21 distance=66' 08314+3655 SLW 259 distance=72' 08325+3729 STF1239 distance=74' 08272+3846 SKF 643 distance=74' 08259+3847 OSW 44 distance=74' 08213+3649 SLW 242 distance=75' 08329+3733 SKF 669 distance=78' 08262+3608 ES 2160 distance=85' 08197+3737 PTT 20 distance=86' 08292+3852 COU2081 distance=87' 08264+3906 COU2080AB distance=94' 08264+3906 GII 160Aa,Ab distance=94' 08216+3616 HU 852AB distance=96' 08216+3616 GII 158Aa,Ab distance=96' 08201+3834 GIC 80 distance=97' 08213+3851 COU2078 distance=99' 08214+3855 SKF 624 distance=101' 08281+3554 HDS1208 distance=102' 08190+3642 SKF 618 distance=102' 08178+3746 SKF 302 distance=102' 08178+3738 BRT2219 distance=103' 08207+3602 SKF 623 distance=113' 08179+3829 KPP2615 distance=115' 08180+3634 SKF 615 distance=116' 08256+3931 SKF 637 distance=119' 08355+3826 SLW 264 distance=121' 08166+3813 KPP3743 distance=123' 08366+3735 UC 1692 distance=123' 08364+3703 SEI 506 distance=124' 08262+3528 COU1891 distance=125' 08214+3923 HDS1187 distance=126' 08317+3922 HDS1219 distance=126' 08175+3623 GRV 756 distance=127' 08156+3731 KPP1924 distance=128' 08183+3859 STF1211AB distance=128' 08183+3859 STF1211AC distance=128' 08183+3859 STF1211AD distance=128' 08155+3809 TDS5651 distance=134' 08347+3601 SKF 685 distance=136' 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 08263+3733 STF1222 50 9.9
Show 08254+3723 HU 856 308 0.3 15
Show 08251+3723 STJ 76 154 1.2 19
Show 08250+3721 SKF 633 147 1.7 20
Show 08242+3737 ES 1732 83 18.7 26
Show 08273+3802 HDS1205 74 0.5 32
Show 08235+3738 CVR 494 207 10.3 35
Show 08225+3728 CBL 251 51 32.9 46
Show 08213+3740 OSW 42 54 80.7 61
Show 08223+3814 COU2079 207 0.8 64
Show 08285+3634 SKF 648 235 6.3 64
Show 08302+3815 ES 2012 88 5.6 65
Show 08212+3758 PTT 21 182 4.5 66
Show 08314+3655 SLW 259 179 24.6 72
Show 08325+3729 STF1239 291 12.6 74
Show 08272+3846 SKF 643 99 1.7 74
Show 08259+3847 OSW 44 57 92.4 74
Show 08213+3649 SLW 242 310 136.2 75
Show 08329+3733 SKF 669 18 1.1 78
Show 08262+3608 ES 2160 343 3.5 85
Show 08197+3737 PTT 20 185 2.6 86
Show 08292+3852 COU2081 29 1.9 87
Show 08264+3906 COU2080 AB 122 0.4 94
Show 08264+3906 GII 160 Aa,Ab 106 0.1 94
Show 08216+3616 HU 852 AB 1 2.0 96
Show 08216+3616 GII 158 Aa,Ab 145 0.2 96
Show 08201+3834 GIC 80 261 34.4 97
Show 08213+3851 COU2078 85 0.5 99
Show 08214+3855 SKF 624 14 0.8 101
Show 08281+3554 HDS1208 205 0.2 102
Show 08190+3642 SKF 618 204 1.4 102
Show 08178+3746 SKF 302 64 66.4 102
Show 08178+3738 BRT2219 9 3.2 103
Show 08207+3602 SKF 623 340 1.2 113
Show 08179+3829 KPP2615 65 24.0 115
Show 08180+3634 SKF 615 147 2.2 116
Show 08256+3931 SKF 637 77 1.3 119
Show 08355+3826 SLW 264 2 18.4 121
Show 08166+3813 KPP3743 99 1.6 123
Show 08366+3735 UC 1692 133 37.9 123
Show 08364+3703 SEI 506 173 2.4 124
Show 08262+3528 COU1891 160 0.8 125
Show 08214+3923 HDS1187 6 0.2 126
Show 08317+3922 HDS1219 118 0.2 126
Show 08175+3623 GRV 756 147 42.0 127
Show 08156+3731 KPP1924 93 15.1 128
Show 08183+3859 STF1211 AB 162 0.4 128
Show 08183+3859 STF1211 AC 15 51.9 128
Show 08183+3859 STF1211 AD 134 123.2 128
Show 08155+3809 TDS5651 67 0.4 134
Show 08347+3601 SKF 685 249 1.5 136

 
 
WDS 08263+3733 : COMPONENTS
 
 
  A
B pa=43.6°
sep=8.73"
 
 
08263+3733 A
 
 
Componente originario normalizzato AB Name HD 70987 Coord arcsec 2000 082620.39+373243.3 Mag 8.71
Spectral class A3 (white) PmRA -17.00 PmDE -13.0 SAO 60809
HIP 41367 Tycho2 2974-02071-1 HD 70987 GC 11495
BD BD+38 1908
Tycho2
Tycho2 2974-02071-1 Pflag RAmdeg 126.58496610 DEmdeg 37.54537312
PmRA -16.3 PmDE -10.2 E RAmdeg 7 E DEmdeg 8
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.92 EpDEm 1990.70
Num 13 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 0.9 BTmag 8.929 E BTmag 0.017 VTmag 8.711
E VTmag 0.014 Prox 100 TYC T HIP 41367
CCDM A RAdeg 126.58501333 DEdeg 37.54539722 EpRA 1990 1.69
EpDE 1990 1.48 E RAdeg 6.5 E DEdeg 7.7 Posflg
Corr 0.1
SAO
SAO 60809 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.027 Vmag 8.3 SpType A3
Double code Source 70 CatNum 11495 DM BD+38 1908
DMcomp BDsup HD 70987 M HD 0
GC 11495 RA1950rad 2.19512311 DE1950rad 0.65815854 PmRA2000 -0.0013
PmDE2000 -0.023
Hipparcos
Catalog H HIP 41367 Proxy RAhms 08 26 20.40
DEdms +37 32 43.4 Vmag 8.68 VarFlag R Vmag H
RAdeg 126.585 DEdeg 37.5454 AstroRef A Plx 3.78
CCDM 08263+3733 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 70987 BD BD+38 1908
CD CP Dm number +38 1908 VIred 0.27
SpType A3 R SpType Coord arcsec 2000 082620.40+373243.4
Hipparcos 2
HIP 41367 Sn 95 So 3 Nc 1
RArad 2.209325344 DErad 0.6552907979 Plx 1.99 PmRA -19.25
PmDE -10.35 E RArad 1.32 E DErad 0.89 E Plx 1.42
E pmRA 2.34 E pmDE 1.61 Hpmag 8.7496 E Hpmag 0.0055
SHp 0.026 VA 0 BV 0.244 E BV 0.015
VI 0.27
CCDM
Ccdm 08263+3733 RComp Comp A Note1
Note2 Discov num DRAs 2.40 DDEs -16.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp A3 PmNote *
PmRA -8 PmDE -14 Dm number +38 1908 Cat1 BD
Name2 +37 922 Cat2 AGK2/3 HD 70987 M HD
ADS BDS A 6802 M ADS BDS N IDS IDS 08198N3752A
HIC 41367
 
 
08263+3733 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 082620.90+373249.6 Mag 10.2 PmRA -17.00
PmDE -14.0 HIP 41368 Tycho2 2974-02643-1 Calc delta mag 1.49
Calc coord yes
Tycho2
Tycho2 2974-02643-1 Pflag RAmdeg 126.58760641 DEmdeg 37.54718434
PmRA -21.2 PmDE -19.1 E RAmdeg 23 E DEmdeg 27
E pmRA 2.5 E pmDE 2.4 EpRAm 1990.36 EpDEm 1989.43
Num 4 Q RAmdeg 2.5 Q DEmdeg 1.6 Q pmRA 2.5
Q pmDE 1.5 BTmag 10.652 E BTmag 0.042 VTmag 10.196
E VTmag 0.039 Prox 100 TYC T HIP 41368
CCDM B RAdeg 126.58766778 DEdeg 37.54722944 EpRA 1990 1.71
EpDE 1990 1.50 E RAdeg 23.3 E DEdeg 27.3 Posflg D
Corr 0.3
Hipparcos
Catalog H HIP 41368 Proxy RAhms 08 26 21.04
DEdms +37 32 50.0 Vmag 9.99 VarFlag R Vmag H
RAdeg 126.588 DEdeg 37.5472 AstroRef B Plx 15.81
CCDM 08263+3733 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.71
SpType R SpType Coord arcsec 2000 082621.04+373250.0
Hipparcos 2
HIP 41368 Sn 95 So 3 Nc 1
RArad 2.2093718525 DErad 0.6553225962 Plx -0.81 PmRA -13.1
PmDE -12.26 E RArad 1.63 E DErad 1.02 E Plx 1.76
E pmRA 2.93 E pmDE 1.99 Hpmag 10.1148 E Hpmag 0.0174
SHp 0 VA 0 BV 0.435 E BV 0.054
VI 0.5
CCDM
Ccdm 08263+3733 RComp Comp B Note1
Note2 Discov num STF1222 DRAs DDEs
R dRAs Year 1830 Theta 048 Rho 10.0
Obs 5 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6802 M ADS BDS N IDS IDS 08198N3752B
HIC 41368