Coord 2000 | 16386+3820 | Discov num | STF2080 | Comp | AC | Coord arcsec 2000 | 16 38 35.62 +38 19 35.2 | ||||
Date first | 1910 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 220 | Pa last | 221.4 | P.A. Now (θ) | 221.4° | ||||||
Sep first | 109.5 | Sep last | 107.425 | Sep. Now (ρ) | 107.425" | ||||||
Mag pri | 8.96 | Mag sec | 11.98 | delta mag (ΔM) | 3.02 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | +005 | Sec motion ra | -011 | ||||||||
Pri motion dec | +000 | Sec motion dec | +050 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 16 38 36 +38 19 35 | STF 2080 AB | 2019 | 28 | 56 | 1.0 | 8.96 | 12.70 | 3.74 | ||||
Show | 16 38 36 +38 19 35 | STF 2080 AC | 2015 | 8 | 221 | 107.4 | 8.96 | 11.98 | 3.02 | <=== | |||
Show | 16 38 36 +38 19 35 | STF 2080 AD | 2007 | 13 | 80 | 398.0 | 8.96 | 7.43 | 1.53 |
Constellation | Hercules | Tycho2 | 3063-01495-1 | Gaia DR2 | 1331532156312338560 |
discov_num | notes | refcode |
STF2080 | See ADS for rectangular measures. |
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. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
16386+3820 | STF2080 | AC | 1998 | 6 | 221 | 107.7 | 8.96 | 11.80 | K0 | N D | 163835.62+381935.2 |
16386+3820 | STF2080 | AC | 2002 | 7 | 221 | 107.6 | 8.96 | 11.80 | K0 | N D | 163835.62+381935.2 |
16386+3820 | STF2080 | AC | 2015 | 8 | 221 | 107.4 | 8.96 | 11.98 | K0 | N | 163835.62+381935.2 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | C | |
B | pa=49.4° sep=0.85" | ||
C | pa=214.7° sep=97.98" | pa=214.8° sep=98.80" | |
D | pa=77.7° sep=314.91" | pa=77.8° sep=314.17" | pa=67.9° sep=392.31" |
Coord arcsec 2000 | 163835.62+381935.2 | Mag | 8.96 | Spectral class | K0 (yellow-orange) | PmRA | 5.00 | ||||
PmDE | 1.0 | Tycho2 | 3063-01495-1 |
Tycho2 | 3063-01495-1 | Pflag | RAmdeg | 249.64839699 | DEmdeg | 38.32645219 | |||||
PmRA | 5.4 | PmDE | 1.3 | E RAmdeg | 11 | E DEmdeg | 10 | ||||
E pmRA | 1.6 | E pmDE | 1.5 | EpRAm | 1990.48 | EpDEm | 1990.65 | ||||
Num | 11 | Q RAmdeg | 0.5 | Q DEmdeg | 0.9 | Q pmRA | 0.6 | ||||
Q pmDE | 0.9 | BTmag | 10.406 | E BTmag | 0.030 | VTmag | 8.963 | ||||
E VTmag | 0.014 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 249.64838028 | DEdeg | 38.32644889 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.65 | E RAdeg | 10.7 | E DEdeg | 9.6 | Posflg | |||||
Corr | 0.0 |
Coord arcsec 2000 | 163835.67+381935.8 | Mag | 12.7 | Calc delta mag | 3.74 | Calc coord | yes |
Coord arcsec 2000 | 163830.88+381814.6 | Mag | 11.98 | PmRA | -11.00 | PmDE | 50.0 | ||||
Calc delta mag | 3.02 | Calc coord | yes |
Coord arcsec 2000 | 163901.77+382042.3 | Mag | 7.43 | PmRA | -8.00 | PmDE | -4.0 | ||||
Calc delta mag | 1.53 | Calc coord | yes |