Coord 2000 | 03233+2058 | Discov num | STF 381 | Comp | Coord arcsec 2000 | 03 23 19.33 +20 58 13.9 | |||||
Date first | 1827 | Date last | 2018 | Obs | 72 | ||||||
Pa first | 94 | Pa last | 108.7 | P.A. Now (θ) | 108.7° | ||||||
Sep first | 0.8 | Sep last | 1.09 | Sep. Now (ρ) | 1.09" | ||||||
Mag pri | 7.56 | Mag sec | 8.75 | delta mag (ΔM) | 1.19 | Spectral class | G5 (yellow) | ||||
Pri motion ra | -016 | Sec motion ra | -016 | ||||||||
Pri motion dec | -008 | Sec motion dec | -008 | ||||||||
Notes |
Name | HD 20947 | Constellation | Aries | SAO | 75906 | Tycho2 | 1245-00245-1 | ||||
Gaia DR2 | 61230432459246336 | HD | 20947 | GC | 4037 | ADS | 2504 |
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 |
03233+2058 | STF 381 | 2006 | 69 | 107 | 1.1 | 7.56 | 8.75 | G5 | 032319.33+205813.9 | ||
03233+2058 | STF 381 | 2013 | 67 | 108 | 1.1 | 7.56 | 8.75 | G5 | 032319.33+205813.9 | ||
03233+2058 | STF 381 | 2015 | 69 | 108 | 1.0 | 7.56 | 8.75 | G5 | 032319.33+205813.9 | ||
03233+2058 | STF 381 | 2018 | 72 | 109 | 1.1 | 7.56 | 8.75 | G5 | 032319.33+205813.9 |
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=109.9° sep=1.03" |
Componente originario normalizzato | AB | Name | HD 20947 | Coord arcsec 2000 | 032319.33+205813.9 | Mag | 7.56 | ||||
Spectral class | G5 (yellow) | PmRA | -16.00 | PmDE | -8.0 | SAO | 75906 | ||||
Tycho2 | 1245-00245-1 | HD | 20947 | GC | 4037 | ADS | 2504 | ||||
DM | BD+20 554 |
Tycho2 | 1245-00245-1 | Pflag | P | RAmdeg | 50.83052456 | DEmdeg | 20.97051743 | ||||
PmRA | -16.4 | PmDE | -7.8 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1991.36 | EpDEm | 1991.23 | ||||
Num | 6 | Q RAmdeg | 0.2 | Q DEmdeg | 2.0 | Q pmRA | 0.2 | ||||
Q pmDE | 1.9 | BTmag | 8.678 | E BTmag | 0.018 | VTmag | 7.556 | ||||
E VTmag | 0.012 | Prox | 10 | TYC | T | HIP | |||||
CCDM | RAdeg | 50.83046806 | DEdeg | 20.97056056 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.54 | E RAdeg | 5.7 | E DEdeg | 6.3 | Posflg | D | ||||
Corr | -0.2 |
SAO | 75906 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | -0.005 | Vmag | 7.4 | SpType | G5 | |||||
Double code | Source | 70 | CatNum | 4037 | DM | BD+20 554 | |||||
DMcomp | BDsup | HD | 20947 | M HD | 0 | ||||||
GC | 4037 | RA1950rad | 0.87455519 | DE1950rad | 0.36291441 | PmRA2000 | -0.0003 | ||||
PmDE2000 | -0.007 |
Ccdm | 03233+2058 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.31 | DDEs | 13.1 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.6 | Sp | G5 | PmNote | * | ||||
PmRA | -17 | PmDE | -15 | Dm number | +20 554 | Cat1 | BD | ||||
Name2 | +20 308 | Cat2 | AGK2/3 | HD | 20947 | M HD | |||||
ADS BDS | A 2504 | M ADS BDS | N IDS | IDS | 03176N2037A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 032319.40+205813.6 | Mag | 8.75 | PmRA | -16.00 | ||||
PmDE | -8.0 | Tycho2 | 1245-00245-2 | Calc delta mag | 1.19 | Calc coord | yes |
Tycho2 | 1245-00245-2 | Pflag | P | RAmdeg | 50.83052456 | DEmdeg | 20.97051743 | ||||
PmRA | -16.4 | PmDE | -7.8 | E RAmdeg | 6 | E DEmdeg | 6 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1991.36 | EpDEm | 1991.23 | ||||
Num | 6 | Q RAmdeg | 0.2 | Q DEmdeg | 2.0 | Q pmRA | 0.2 | ||||
Q pmDE | 1.9 | BTmag | 9.145 | E BTmag | 0.020 | VTmag | 8.748 | ||||
E VTmag | 0.017 | Prox | 10 | TYC | HIP | ||||||
CCDM | RAdeg | 50.83076750 | DEdeg | 20.97048417 | EpRA 1990 | 1.65 | |||||
EpDE 1990 | 1.55 | E RAdeg | 8.9 | E DEdeg | 10.2 | Posflg | D | ||||
Corr | -0.1 |
Ccdm | 03233+2058 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF 381 | DRAs | DDEs | |||||||
R dRAs | Year | 1830 | Theta | 098 | Rho | 1.0 | |||||
Obs | 27 | Vmag | 8.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2504 | M ADS BDS | N IDS | IDS | 03176N2037B | ||||||
HIC |