Coord 2000 | 03450+2243 | Discov num | STF 442 | Comp | Coord arcsec 2000 | 03 45 01.60 +22 43 20.2 | |||||
Date first | 1832 | Date last | 2015 | Obs | 30 | ||||||
Pa first | 272 | Pa last | 268.2 | P.A. Now (θ) | 268.2° | ||||||
Sep first | 2.5 | Sep last | 2.496 | Sep. Now (ρ) | 2.496" | ||||||
Mag pri | 10.06 | Mag sec | 10.50 | delta mag (ΔM) | 0.44 | Spectral class | G5 (yellow) | ||||
Pri motion ra | +034 | Sec motion ra | -014 | ||||||||
Pri motion dec | +003 | Sec motion dec | +004 | ||||||||
Notes | T (Parallax indicates physical) |
Name | HD 23311 | Constellation | Taurus | Tycho2 | 1799-01134-1 | Gaia DR2 | 64845210076602624 | ||||
HD | 23311 |
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 |
03450+2243 | STF 442 | 1991 | 26 | 268 | 2.5 | 10.06 | 13.00 | G5 | 034501.60+224320.2 | ||
03450+2243 | STF 442 | 2000 | 29 | 268 | 2.5 | 10.06 | 13.00 | G5 | 034501.60+224320.2 | ||
03450+2243 | STF 442 | 2015 | 30 | 268 | 2.5 | 10.06 | 10.50 | G5 | T | 034501.60+224320.2 |
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=268.0° sep=2.30" |
Componente originario normalizzato | AB | Name | HD 23311 | Coord arcsec 2000 | 034501.60+224320.2 | Mag | 10.06 | ||||
Spectral class | G5 (yellow) | PmRA | 34.00 | PmDE | 3.0 | Tycho2 | 1799-01134-1 | ||||
HD | 23311 |
Tycho2 | 1799-01134-1 | Pflag | RAmdeg | 56.25668086 | DEmdeg | 22.72228796 | |||||
PmRA | 16.6 | PmDE | 8.5 | E RAmdeg | 29 | E DEmdeg | 35 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1985.41 | EpDEm | 1982.08 | ||||
Num | 6 | Q RAmdeg | 2.1 | Q DEmdeg | 1.3 | Q pmRA | 2.1 | ||||
Q pmDE | 1.3 | BTmag | 11.435 | E BTmag | 0.084 | VTmag | 10.057 | ||||
E VTmag | 0.040 | Prox | 25 | TYC | T | HIP | |||||
CCDM | RAdeg | 56.25664278 | DEdeg | 22.72226972 | EpRA 1990 | 1.68 | |||||
EpDE 1990 | 1.54 | E RAdeg | 29.9 | E DEdeg | 36.5 | Posflg | D | ||||
Corr | -0.2 |
Ccdm | 03450+2243 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.49 | DDEs | 20.7 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.9 | Sp | G5 | PmNote | * | ||||
PmRA | 0 | PmDE | 18 | Dm number | +22 538 | Cat1 | BD | ||||
Name2 | +22 340 | Cat2 | AGK2/3 | HD | 23311 | M HD | |||||
ADS BDS | A 2740 | M ADS BDS | N IDS | IDS | 03391N2224A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 034501.43+224320.1 | Mag | 10.5 | PmRA | -14.00 | ||||
PmDE | 4.0 | Calc delta mag | 0.44 | Calc coord | yes |
Ccdm | 03450+2243 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF 442 | DRAs | DDEs | |||||||
R dRAs | Year | 1832 | Theta | 269 | Rho | 2.5 | |||||
Obs | 16 | Vmag | 10.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2740 | M ADS BDS | N IDS | IDS | 03391N2224B | ||||||
HIC |