Coord 2000 | 17278+4625 | Discov num | STF2177 | Comp | Coord arcsec 2000 | 17 27 48.32 +46 25 16.4 | |||||
Date first | 1831 | Date last | 2019 | Obs | 28 | ||||||
Pa first | 134 | Pa last | 133.4 | P.A. Now (θ) | 133.4° | ||||||
Sep first | 3.2 | Sep last | 3.644 | Sep. Now (ρ) | 3.644" | ||||||
Mag pri | 9.20 | Mag sec | 10.70 | delta mag (ΔM) | 1.5 | Spectral class | F0 (yellow-white) | ||||
Pri motion ra | +014 | Sec motion ra | +026 | ||||||||
Pri motion dec | -006 | Sec motion dec | -021 | ||||||||
Notes |
Name | HD 158570 | Constellation | Hercules | SAO | 46736 | Tycho2 | 3509-00759-1 | ||||
Gaia DR2 | 1362101534503895040 | HD | 158570 | ADS | 10574 |
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 |
17278+4625 | STF2177 | 2000 | 19 | 132 | 3.6 | 9.20 | 10.70 | F0 | 172748.32+462516.4 | ||
17278+4625 | STF2177 | 2009 | 20 | 134 | 3.7 | 9.20 | 10.70 | F0 | 172748.32+462516.4 | ||
17278+4625 | STF2177 | 2011 | 21 | 135 | 3.5 | 9.20 | 10.70 | F0 | 172748.32+462516.4 | ||
17278+4625 | STF2177 | 2015 | 23 | 134 | 3.7 | 9.20 | 10.70 | F0 | 172748.32+462516.4 | ||
17278+4625 | STF2177 | 2019 | 27 | 133 | 3.6 | 9.20 | 10.70 | F0 | 172748.32+462516.4 |
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=143.9° sep=3.10" |
Componente originario normalizzato | AB | Name | HD 158570 | Coord arcsec 2000 | 172748.32+462516.4 | Mag | 9.2 | ||||
Spectral class | F0 (yellow-white) | PmRA | 14.00 | PmDE | -6.0 | SAO | 46736 | ||||
Tycho2 | 3509-00759-1 | HD | 158570 | ADS | 10574 | DM | BD+46 2314 |
Tycho2 | 3509-00759-1 | Pflag | RAmdeg | 261.95135653 | DEmdeg | 46.42124864 | |||||
PmRA | 8.6 | PmDE | -3.1 | E RAmdeg | 12 | E DEmdeg | 13 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1990.88 | EpDEm | 1990.59 | ||||
Num | 4 | Q RAmdeg | 1.7 | Q DEmdeg | 0.6 | Q pmRA | 1.7 | ||||
Q pmDE | 0.6 | BTmag | 9.678 | E BTmag | 0.024 | VTmag | 9.304 | ||||
E VTmag | 0.022 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 261.95132722 | DEdeg | 46.42125611 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.50 | E RAdeg | 12.0 | E DEdeg | 13.3 | Posflg | |||||
Corr | -0.2 |
SAO | 46736 | DelFlag | RA1950 | PmRA1950 | 0.002 | ||||||
DE1950 | PmDE1950 | -0.007 | Vmag | 8.7 | SpType | F0 | |||||
Double code | Source | 3 | CatNum | 1272 | DM | BD+46 2314 | |||||
DMcomp | BDsup | HD | 158570 | M HD | 0 | ||||||
GC | RA1950rad | 4.56578514 | DE1950rad | 0.81089967 | PmRA2000 | 0.0026 | |||||
PmDE2000 | -0.006 |
Ccdm | 17278+4625 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.44 | DDEs | 15.6 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.2 | Sp | F0 | PmNote | * | ||||
PmRA | 24 | PmDE | -20 | Dm number | +46 2314 | Cat1 | BD | ||||
Name2 | +46 1272 | Cat2 | AGK2/3 | HD | 158570 | M HD | |||||
ADS BDS | A10574 | M ADS BDS | N IDS | IDS | 17250N4630A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 172748.50+462513.9 | Mag | 10.7 | PmRA | 26.00 | ||||
PmDE | -21.0 | Calc delta mag | 1.5 | Calc coord | yes |
Ccdm | 17278+4625 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2177 | DRAs | DDEs | |||||||
R dRAs | Year | 1831 | Theta | 134 | Rho | 3.5 | |||||
Obs | 12 | Vmag | 10.7 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10574 | M ADS BDS | N IDS | IDS | 17250N4630B | ||||||
HIC |