Coord 2000 | 18252+6455 | Discov num | STF2332 | Comp | Coord arcsec 2000 | 18 25 38.30 +64 58 33.7 | |||||
Date first | 1901 | Date last | 2015 | Obs | 10 | ||||||
Pa first | 263 | Pa last | 260.4 | P.A. Now (θ) | 260.4° | ||||||
Sep first | 11.2 | Sep last | 11.601 | Sep. Now (ρ) | 11.601" | ||||||
Mag pri | 10.20 | Mag sec | 12.70 | delta mag (ΔM) | 2.5 | Spectral class | |||||
Pri motion ra | +004 | Sec motion ra | -013 | ||||||||
Pri motion dec | +004 | Sec motion dec | +000 | ||||||||
Notes |
Constellation | Draco | Tycho2 | 4222-00942-1 | Gaia DR2 | 2256668008794113536 |
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 |
18252+6455 | STF2332 | 1921 | 2 | 261 | 10.6 | 8.77 | 10.80 | 182519.71+645441.1 | |||
18252+6455 | STF2332 | 2000 | 3 | 261 | 11.4 | 10.20 | 12.70 | 182538.30+645833.7 | |||
18252+6455 | STF2332 | 2003 | 5 | 261 | 11.5 | 10.20 | 12.70 | 182538.30+645833.7 | |||
18252+6455 | STF2332 | 2010 | 5 | 261 | 11.5 | 10.20 | 12.70 | 182538.30+645833.7 | |||
18252+6455 | STF2332 | 2015 | 6 | 260 | 11.6 | 10.20 | 12.70 | 182538.30+645833.7 |
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 | pa=248.2° sep=5.21" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 182538.30+645833.7 | Mag | 10.2 | PmRA | 4.00 | ||||
PmDE | 4.0 | Tycho2 | 4222-00942-1 |
Tycho2 | 4222-00942-1 | Pflag | RAmdeg | 276.40961244 | DEmdeg | 64.97603669 | |||||
PmRA | 2.6 | PmDE | 10.2 | E RAmdeg | 23 | E DEmdeg | 23 | ||||
E pmRA | 2.1 | E pmDE | 2.1 | EpRAm | 1989.30 | EpDEm | 1988.80 | ||||
Num | 4 | Q RAmdeg | 0.8 | Q DEmdeg | 3.0 | Q pmRA | 0.8 | ||||
Q pmDE | 3.0 | BTmag | 10.641 | E BTmag | 0.043 | VTmag | 10.212 | ||||
E VTmag | 0.040 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 276.40959194 | DEdeg | 64.97600917 | EpRA 1990 | 1.72 | |||||
EpDE 1990 | 1.66 | E RAdeg | 25.9 | E DEdeg | 26.6 | Posflg | |||||
Corr | 0.0 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 182537.54+645831.8 | Mag | 12.7 | PmRA | -13.00 | ||||
PmDE | 0.0 | Calc delta mag | 2.5 | Calc coord | yes |