12246+3744 STF 1641 BC
12h 24m 33.99s +37° 43' 45.4" P.A. 210.00 sep 93.4 mag 11.08,9.50 Sp G8V
| Coord 2000 | 12246+3744 | Discov num | STF1641 | Comp | BC | Coord arcsec 2000 | 12 24 33.99 +37 43 45.4 | ||||
| Date first | 1868 | Date last | 2015 | Obs | 16 | ||||||
| Pa first | 207 | Pa last | 209.8 | P.A. Now (θ) | 209.8° | ||||||
| Sep first | 83.7 | Sep last | 93.41 | Sep. Now (ρ) | 93.41" | ||||||
| Mag pri | 11.08 | Mag sec | 9.50 | delta mag (ΔM) | 1.58 | Spectral class | G8V (yellow) | ||||
| Pri motion ra | +008 | Sec motion ra | -055 | ||||||||
| Pri motion dec | +019 | Sec motion dec | -021 | ||||||||
| Notes | |||||||||||
12246+3744 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 12 24 33 +37 43 31 | STF 1641 AB | 2017 | 52 | 22 | 16.6 | 10.90 | 11.08 | 0.18 | ||||
| Show | 62986 | 12 24 33 +37 43 31 | STF 1641 AC | 2017 | 22 | 212 | 76.4 | 10.90 | 9.50 | 1.40 | |||
| Show | 62986 | 12 24 34 +37 43 45 | STF 1641 BC | 2015 | 16 | 210 | 93.4 | 11.08 | 9.50 | 1.58 | <=== |
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Canes Venatici | SAO | 62986 | Tycho2 | 3018-02276-1 | Gaia DR2 | 1531684195016520064 | ||||
| HD | 108006 | Dm number | +38 2330 |
WDS 12246+3744 STF 1641 BC : NOTES
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 |
| 12246+3744 | STF1641 | BC | 2003 | 8 | 209 | 92.8 | 11.08 | 9.50 | D | 122433.99+374345.4 | |
| 12246+3744 | STF1641 | BC | 2012 | 10 | 210 | 93.3 | 11.08 | 9.50 | G8V | 122433.99+374345.4 | |
| 12246+3744 | STF1641 | BC | 2013 | 11 | 210 | 93.3 | 11.08 | 9.50 | G8V | 122433.99+374345.4 | |
| 12246+3744 | STF1641 | BC | 2015 | 12 | 210 | 93.4 | 11.08 | 9.50 | G8V | 122433.99+374345.4 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 12246+3744 STF 1641 BC : VISUAL OBSERVATIONS REPORTS
WDS 12246+3744 STF 1641 BC : MEASURES
WDS 12246+3744 : VIRTUAL EYEPIECE
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WDS 12246+3744 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
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Error -22130
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Error -27220
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Error -27220
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