12522+1704 STFA 23 AB (32 Com)
12h 52m 12.26s +17° 04' 26.2" P.A. 51.00 sep 196.3 mag 6.50,6.99 Sp M0III dist. 598.8 pc (1953.29 l.y.)
| Coord 2000 | 12522+1704 | Discov num | STFA 23 | Comp | AB | Coord arcsec 2000 | 12 52 12.26 +17 04 26.2 | ||||
| Date first | 1836 | Date last | 2015 | Obs | 43 | ||||||
| Pa first | 49 | Pa last | 50.9 | P.A. Now (θ) | 50.9° | ||||||
| Sep first | 194.7 | Sep last | 196.314 | Sep. Now (ρ) | 196.314" | ||||||
| Mag pri | 6.50 | Mag sec | 6.99 | delta mag (ΔM) | 0.49 | Spectral class | M0III (red) | ||||
| Pri motion ra | +002 | Sec motion ra | +038 | ||||||||
| Pri motion dec | -005 | Sec motion dec | -036 | ||||||||
| Notes | N Y W (See Notes, Parallax indicates components are non-physical, ) | ||||||||||
12522+1704 SYSTEM COMPONENTS
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 32 Com | 100309 | 12 52 12 +17 04 26 | STFA 23 AB | 2015 | 43 | 51 | 196.3 | 6.50 | 6.99 | 0.49 | <=== | |
| Show | 100309 | 12 52 12 +17 04 26 | STFA 23 AC | 2015 | 7 | 262 | 905.4 | 6.50 | 8.95 | 2.45 |
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name | 32 Com | Constellation | Coma Berenices | SAO | 100309 | HIP | 62807 | ||||
| Tycho2 | 1449-00991-1 | Gaia DR2 | 3934695788420101376 | HD | 111862 | HR | 4884 | ||||
| GC | 17464 | BD | BD+17 2551 | Flamsteed | 32 Comae Berenices | Flamsteed name | 32 Com | ||||
| FK5 | 1333 | Distance | 598.8 | Distance ly | 1953.29 |
WDS 12522+1704 STFA 23 AB (32 Com) : NOTES
| discov_num | notes | refcode |
| STFA 23 | 32 Com. B is BD+17@2553. |
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 |
| 12522+1704 | STFA 23 | AB | 2000 | 36 | 51 | 195.6 | 6.50 | 6.99 | M0III | NYD | 125212.26+170426.2 |
| 12522+1704 | STFA 23 | AB | 2010 | 37 | 51 | 196.5 | 6.50 | 6.99 | M0III | NYD | 125212.26+170426.2 |
| 12522+1704 | STFA 23 | AB | 2011 | 39 | 51 | 197.0 | 6.50 | 6.99 | M0III | NYD | 125212.26+170426.2 |
| 12522+1704 | STFA 23 | AB | 2015 | 43 | 51 | 196.3 | 6.50 | 6.99 | M0III | NY | 125212.26+170426.2 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 12522+1704 STFA 23 AB (32 Com) : VISUAL OBSERVATIONS REPORTS
WDS 12522+1704 STFA 23 AB (32 Com) : MEASURES
WDS 12522+1704 (32 Com) : VIRTUAL EYEPIECE
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WDS 12522+1704 (32 Com) : ALADIN DSS IMAGE @
Error -22130
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Error -27220
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