Coord 2000 | 19081+3048 | Discov num | STF2467 | Comp | Coord arcsec 2000 | 19 08 05.79 +30 47 34.5 | |||||
Date first | 1828 | Date last | 2015 | Obs | 26 | ||||||
Pa first | 266 | Pa last | 262.4 | P.A. Now (θ) | 262.4° | ||||||
Sep first | 6.0 | Sep last | 10.486 | Sep. Now (ρ) | 10.486" | ||||||
Mag pri | 10.13 | Mag sec | 10.33 | delta mag (ΔM) | 0.2 | Spectral class | F5 (yellow-white) | ||||
Pri motion ra | -015 | Sec motion ra | -012 | ||||||||
Pri motion dec | -011 | Sec motion dec | -011 | ||||||||
Notes | T (Parallax indicates physical) |
Constellation | Lyra | Tycho2 | 2640-02332-1 | Gaia DR2 | 2042443148975519744 |
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 |
19081+3048 | STF2467 | 2006 | 16 | 263 | 10.4 | 10.13 | 10.33 | F5 | D | 190805.79+304734.5 | |
19081+3048 | STF2467 | 2012 | 19 | 263 | 10.4 | 10.13 | 10.33 | F5 | D | 190805.79+304734.5 | |
19081+3048 | STF2467 | 2015 | 21 | 262 | 10.5 | 10.13 | 10.33 | F5 | 190805.79+304734.5 |
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=261.2° sep=9.04" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 190805.79+304734.5 | Mag | 10.13 | Spectral class | F5 (yellow-white) | ||||
PmRA | -15.00 | PmDE | -11.0 | Tycho2 | 2640-02332-1 |
Tycho2 | 2640-02332-1 | Pflag | RAmdeg | 287.02412905 | DEmdeg | 30.79290280 | |||||
PmRA | -9.9 | PmDE | -12.6 | E RAmdeg | 24 | E DEmdeg | 22 | ||||
E pmRA | 1.8 | E pmDE | 1.7 | EpRAm | 1989.06 | EpDEm | 1989.47 | ||||
Num | 5 | Q RAmdeg | 1.0 | Q DEmdeg | 0.7 | Q pmRA | 1.0 | ||||
Q pmDE | 0.7 | BTmag | 10.757 | E BTmag | 0.040 | VTmag | 10.133 | ||||
E VTmag | 0.033 | Prox | 105 | TYC | T | HIP | |||||
CCDM | RAdeg | 287.02415528 | DEdeg | 30.79293222 | EpRA 1990 | 1.55 | |||||
EpDE 1990 | 1.75 | E RAdeg | 23.7 | E DEdeg | 22.4 | Posflg | |||||
Corr | 0.1 |
Ccdm | 19081+3048 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.29 | DDEs | -25.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.8 | Sp | PmNote | * | |||||
PmRA | -18 | PmDE | -12 | Dm number | +30 3431 | Cat1 | BD | ||||
Name2 | +30 1822 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A12077 | M ADS BDS | N IDS | IDS | 19042N3038A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 190805.10+304733.1 | Mag | 10.33 | PmRA | -12.00 | ||||
PmDE | -11.0 | Tycho2 | 2640-02332-2 | Calc delta mag | 0.2 | Calc coord | yes |
Tycho2 | 2640-02332-2 | Pflag | RAmdeg | 287.02074213 | DEmdeg | 30.79252218 | |||||
PmRA | -13.5 | PmDE | -12.1 | E RAmdeg | 27 | E DEmdeg | 25 | ||||
E pmRA | 1.8 | E pmDE | 1.7 | EpRAm | 1988.20 | EpDEm | 1988.62 | ||||
Num | 5 | Q RAmdeg | 0.3 | Q DEmdeg | 0.7 | Q pmRA | 0.3 | ||||
Q pmDE | 0.7 | BTmag | 10.905 | E BTmag | 0.046 | VTmag | 10.334 | ||||
E VTmag | 0.039 | Prox | 105 | TYC | T | HIP | |||||
CCDM | RAdeg | 287.02077861 | DEdeg | 30.79255056 | EpRA 1990 | 1.55 | |||||
EpDE 1990 | 1.75 | E RAdeg | 27.9 | E DEdeg | 25.6 | Posflg | |||||
Corr | 0.1 |
Ccdm | 19081+3048 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2467 | DRAs | -1.10 | DDEs | -26.7 | |||||
R dRAs | 10 | Year | 1829 | Theta | 264 | Rho | 10.2 | ||||
Obs | 4 | Vmag | 10.2 | Sp | F8 | PmNote | * | ||||
PmRA | -24 | PmDE | -9 | Dm number | Cat1 | ||||||
Name2 | +30 1821 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A12077 | M ADS BDS | N IDS | IDS | 19042N3038B | ||||||
HIC |