Coord 2000 | 19074+2558 | Discov num | STF2459 | Comp | Coord arcsec 2000 | 19 07 22.01 +25 58 23.9 | |||||
Date first | 1830 | Date last | 2020 | Obs | 42 | ||||||
Pa first | 233 | Pa last | 232.3 | P.A. Now (θ) | 232.3° | ||||||
Sep first | 13.8 | Sep last | 13.83 | Sep. Now (ρ) | 13.83" | ||||||
Mag pri | 9.12 | Mag sec | 10.07 | delta mag (ΔM) | 0.95 | Spectral class | A2 (white) | ||||
Pri motion ra | +007 | Sec motion ra | +007 | ||||||||
Pri motion dec | +000 | Sec motion dec | +000 | ||||||||
Notes |
Name | HD 178354 | Constellation | Lyra | SAO | 86834 | Tycho2 | 2127-01495-1 | ||||
Gaia DR2 | 2035955686779535616 | HD | 178354 | GC | 26334 |
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 |
19074+2558 | STF2459 | 2004 | 23 | 233 | 13.8 | 9.12 | 10.07 | A2 | D | 190722.01+255823.9 | |
19074+2558 | STF2459 | 2007 | 24 | 232 | 14.0 | 9.12 | 10.07 | A2 | D | 190722.01+255823.9 | |
19074+2558 | STF2459 | 2008 | 27 | 234 | 13.7 | 9.12 | 10.07 | A2 | D | 190722.01+255823.9 | |
19074+2558 | STF2459 | 2010 | 29 | 231 | 14.1 | 9.12 | 10.07 | A2 | D | 190722.01+255823.9 | |
19074+2558 | STF2459 | 2011 | 30 | 230 | 15.3 | 9.12 | 10.07 | A2 | D | 190722.01+255823.9 | |
19074+2558 | STF2459 | 2015 | 31 | 232 | 13.8 | 9.12 | 10.07 | A2 | 190722.01+255823.9 | ||
19074+2558 | STF2459 | 2020 | 42 | 232 | 13.8 | 9.12 | 10.07 | A2 | 190722.01+255823.9 |
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=229.3° sep=12.97" |
Componente originario normalizzato | AB | Name | HD 178354 | Coord arcsec 2000 | 190722.01+255823.9 | Mag | 9.12 | ||||
Spectral class | A2 (white) | PmRA | 7.00 | PmDE | 0.0 | SAO | 86834 | ||||
Tycho2 | 2127-01495-1 | HD | 178354 | GC | 26334 | DM | BD+25 3726 |
Tycho2 | 2127-01495-1 | Pflag | RAmdeg | 286.84170984 | DEmdeg | 25.97331764 | |||||
PmRA | 8.2 | PmDE | 2.3 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.2 | E pmDE | 1.1 | EpRAm | 1990.88 | EpDEm | 1990.81 | ||||
Num | 11 | Q RAmdeg | 1.8 | Q DEmdeg | 1.6 | Q pmRA | 1.8 | ||||
Q pmDE | 1.7 | BTmag | 9.356 | E BTmag | 0.018 | VTmag | 9.116 | ||||
E VTmag | 0.015 | Prox | 138 | TYC | T | HIP | |||||
CCDM | RAdeg | 286.84168944 | DEdeg | 25.97331167 | EpRA 1990 | 1.47 | |||||
EpDE 1990 | 1.64 | E RAdeg | 8.4 | E DEdeg | 7.7 | Posflg | |||||
Corr | 0.2 |
SAO | 86834 | DelFlag | RA1950 | PmRA1950 | 0.0003 | ||||||
DE1950 | PmDE1950 | 0.012 | Vmag | 8.6 | SpType | A2 | |||||
Double code | Source | 70 | CatNum | 26334 | DM | BD+25 3726 | |||||
DMcomp | BDsup | HD | 178354 | M HD | 0 | ||||||
GC | 26334 | RA1950rad | 4.99740885 | DE1950rad | 0.45193508 | PmRA2000 | 0.0004 | ||||
PmDE2000 | 0.01 |
Ccdm | 19074+2558 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.00 | DDEs | 23.6 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.1 | Sp | A2 | PmNote | * | ||||
PmRA | 6 | PmDE | 2 | Dm number | +25 3726 | Cat1 | BD | ||||
Name2 | +25 2048 | Cat2 | AGK2/3 | HD | 178354 | M HD | |||||
ADS BDS | A12059 | M ADS BDS | N IDS | IDS | 19033N2549A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 190721.28+255815.4 | Mag | 10.07 | PmRA | 7.00 | ||||
PmDE | 0.0 | Tycho2 | 2127-02559-1 | HD | 337732 | Calc delta mag | 0.95 | ||||
Calc coord | yes |
Tycho2 | 2127-02559-1 | Pflag | RAmdeg | 286.83832586 | DEmdeg | 25.97098024 | |||||
PmRA | 6.1 | PmDE | 0.1 | E RAmdeg | 19 | E DEmdeg | 17 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1988.43 | EpDEm | 1989.10 | ||||
Num | 8 | Q RAmdeg | 0.9 | Q DEmdeg | 0.9 | Q pmRA | 0.9 | ||||
Q pmDE | 0.9 | BTmag | 10.442 | E BTmag | 0.031 | VTmag | 10.067 | ||||
E VTmag | 0.029 | Prox | 138 | TYC | T | HIP | |||||
CCDM | RAdeg | 286.83830917 | DEdeg | 25.97097972 | EpRA 1990 | 1.45 | |||||
EpDE 1990 | 1.66 | E RAdeg | 19.7 | E DEdeg | 16.8 | Posflg | D | ||||
Corr | 0.3 |
Ccdm | 19074+2558 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2459 | DRAs | -2.81 | DDEs | 16.0 | |||||
R dRAs | 10 | Year | 1830 | Theta | 233 | Rho | 13.7 | ||||
Obs | 7 | Vmag | 9.8 | Sp | A2 | PmNote | * | ||||
PmRA | 6 | PmDE | 11 | Dm number | Cat1 | ||||||
Name2 | +25 2047 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A12059 | M ADS BDS | N IDS | IDS | 19033N2549B | ||||||
HIC |