18560+3347 STF 2421 (HD 175885)
18h 56m 01.68s +33° 47' 08.1" P.A. 57.00 sep 24.6 mag 8.13,9.34 Sp B9 dist. 340.14 pc (1109.54 l.y.)
| Coord 2000 | 18560+3347 | Discov num | STF2421 | Comp | Coord arcsec 2000 | 18 56 01.68 +33 47 08.1 | |||||
| Date first | 1829 | Date last | 2015 | Obs | 58 | ||||||
| Pa first | 69 | Pa last | 57.3 | P.A. Now (θ) | 57.3° | ||||||
| Sep first | 21.2 | Sep last | 24.638 | Sep. Now (ρ) | 24.638" | ||||||
| Mag pri | 8.13 | Mag sec | 9.34 | delta mag (ΔM) | 1.21 | Spectral class | B9 (blue-white) | ||||
| Pri motion ra | +005 | Sec motion ra | +011 | ||||||||
| Pri motion dec | +009 | Sec motion dec | +038 | ||||||||
| Notes | N L Y (See Notes, Linear solution, Parallax indicates components are non-physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Name | HD 175885 | Constellation | Lyra | SAO | 67597 | HIP | 92932 | ||||
| Tycho2 | 2647-00109-1 | Gaia DR2 | 2092035590152117376 | HD | 175885 | GC | 26010 | ||||
| BD | BD+33 3262 | Distance | 340.14 | Distance ly | 1109.54 |
WDS 18560+3347 STF 2421 (HD 175885) : NOTES
| discov_num | notes | refcode |
| STF2421 | B is BD+33@3264. |
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 |
| 18560+3347 | STF2421 | 2007 | 40 | 58 | 24.3 | 8.13 | 9.34 | B9 | NLD | 185601.68+334708.1 | |
| 18560+3347 | STF2421 | 2008 | 41 | 58 | 24.3 | 8.13 | 9.34 | B9 | NLD | 185601.68+334708.1 | |
| 18560+3347 | STF2421 | 2010 | 43 | 58 | 24.4 | 8.13 | 9.34 | B9 | NLD | 185601.68+334708.1 | |
| 18560+3347 | STF2421 | 2012 | 45 | 56 | 24.7 | 8.13 | 9.34 | B9 | NLD | 185601.68+334708.1 | |
| 18560+3347 | STF2421 | 2013 | 46 | 57 | 24.4 | 8.13 | 9.34 | B9 | NLD | 185601.68+334708.1 | |
| 18560+3347 | STF2421 | 2015 | 58 | 57 | 24.6 | 8.13 | 9.34 | B9 | NL Y | 185601.68+334708.1 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 18560+3347 STF 2421 (HD 175885) : VISUAL OBSERVATIONS REPORTS
| Show | date | username | difficulty | separation | pa_estim | interest | notes |
| Show | 23/11/25 | Diego Vercelli | easy | separated | 60 | interesting | In the same FOV SHJ282 |
WDS 18560+3347 STF 2421 (HD 175885) : MEASURES
Records found: 1
| Show | date | username | difficulty | sep | sep_sigma | pa | pa_sigma | delta_mag | # | notes |
| Show | 12/07/25 | Robert | 24.00 | 0.44 | 57.00 | 0.25 | 2 |
WDS 18560+3347 (HD 175885) : VIRTUAL EYEPIECE
|
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
WDS 18560+3347 (HD 175885) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
Not valid ID.
Error -27220
Not valid ID.