| Coord 2000 | 08179+0628 | Discov num | STF1213 | Comp | Coord arcsec 2000 | 08 17 56.56 +06 28 07.7 | |||||
| Date first | 1830 | Date last | 2015 | Obs | 25 | ||||||
| Pa first | 328 | Pa last | 303.7 | P.A. Now (θ) | 303.7° | ||||||
| Sep first | 8.4 | Sep last | 5.96 | Sep. Now (ρ) | 5.96" | ||||||
| Mag pri | 9.80 | Mag sec | 11.50 | delta mag (ΔM) | 1.7 | Spectral class | F0 (yellow-white) | ||||
| Pri motion ra | -019 | Sec motion ra | -017 | ||||||||
| Pri motion dec | +008 | Sec motion dec | -011 | ||||||||
| Notes | N (See Notes) | ||||||||||
| Constellation | Hydra | Tycho2 | 0208-00254-1 | Gaia DR2 | 3096504195866077056 | ADS | 6725 |
| discov_num | notes | refcode |
| STF1213 | BDS 4546, HJ 87 probably same star. |
| 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 |
| 08179+0628 | STF1213 | 2000 | 18 | 306 | 6.1 | 10.01 | 12.50 | F0 | N D | 081756.56+062807.7 | |
| 08179+0628 | STF1213 | 2015 | 21 | 304 | 6.0 | 9.80 | 11.50 | F0 | N | 081756.56+062807.7 |
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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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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=303.9° sep=5.93" |
| Componente originario normalizzato | AB | Coord arcsec 2000 | 081756.56+062807.7 | Mag | 9.8 | Spectral class | F0 (yellow-white) | ||||
| PmRA | -19.00 | PmDE | 8.0 | Tycho2 | 0208-00254-1 | ADS | 6725 | ||||
| DM | BD+06 1922 |
| Tycho2 | 0208-00254-1 | Pflag | RAmdeg | 124.48568910 | DEmdeg | 6.46881008 | |||||
| PmRA | -17.1 | PmDE | 9.0 | E RAmdeg | 20 | E DEmdeg | 25 | ||||
| E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1989.29 | EpDEm | 1987.24 | ||||
| Num | 8 | Q RAmdeg | 1.3 | Q DEmdeg | 1.6 | Q pmRA | 1.4 | ||||
| Q pmDE | 1.6 | BTmag | 10.389 | E BTmag | 0.037 | VTmag | 10.009 | ||||
| E VTmag | 0.038 | Prox | 999 | TYC | T | HIP | |||||
| CCDM | RAdeg | 124.48572972 | DEdeg | 6.46878833 | EpRA 1990 | 1.66 | |||||
| EpDE 1990 | 1.41 | E RAdeg | 20.3 | E DEdeg | 26.1 | Posflg | |||||
| Corr | 0.0 |
| Ccdm | 08179+0628 | RComp | Comp | A | Note1 | ||||||
| Note2 | Discov num | DRAs | 2.50 | DDEs | 7.6 | ||||||
| R dRAs | 10 | Year | Theta | Rho | |||||||
| Obs | 2 | Vmag | 9.2 | Sp | F0 | PmNote | * | ||||
| PmRA | -39 | PmDE | 8 | Dm number | +06 1922 | Cat1 | BD | ||||
| Name2 | +06 1069 | Cat2 | AGK2/3 | HD | M HD | ||||||
| ADS BDS | A 6725 | M ADS BDS | N IDS | IDS | 08126N0647A | ||||||
| HIC |
| Componente originario normalizzato | AB | Coord arcsec 2000 | 081756.23+062811.0 | Mag | 11.5 | PmRA | -17.00 | ||||
| PmDE | -11.0 | Calc delta mag | 1.7 | Calc coord | yes |
| Ccdm | 08179+0628 | RComp | Comp | B | Note1 | ||||||
| Note2 | Discov num | STF1213 | DRAs | DDEs | |||||||
| R dRAs | Year | 1954 | Theta | 314 | Rho | 6.3 | |||||
| Obs | 12 | Vmag | 11.7 | Sp | PmNote | ||||||
| PmRA | PmDE | Dm number | Cat1 | ||||||||
| Name2 | Cat2 | HD | M HD | ||||||||
| ADS BDS | A 6725 | M ADS BDS | N | N IDS | IDS | 08126N0647B | |||||
| HIC |