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

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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
 
 

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WDS 08263+3733 (HD 70987) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.