Coord 2000 | 11569+4021 | Discov num | STF1586 | Comp | Coord arcsec 2000 | 11 56 53.86 +40 21 21.5 | |||||
Date first | 1832 | Date last | 2016 | Obs | 27 | ||||||
Pa first | 247 | Pa last | 254.9 | P.A. Now (θ) | 254.9° | ||||||
Sep first | 1.8 | Sep last | 1.477 | Sep. Now (ρ) | 1.477" | ||||||
Mag pri | 8.83 | Mag sec | 10.37 | delta mag (ΔM) | 1.54 | Spectral class | F8 (yellow-white) | ||||
Pri motion ra | -032 | Sec motion ra | -031 | ||||||||
Pri motion dec | +002 | Sec motion dec | +003 | ||||||||
Notes |
Name | HD 103739 | Constellation | Ursa Major | SAO | 43958 | HIP | 58261 | ||||
Tycho2 | 3014-00784-1 | Gaia DR2 | 4035053776673357824 | HD | 103739 | GC | 16338 | ||||
BD | BD+41 2251 | Distance | 147.49 | Distance ly | 481.11 |
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 |
11569+4021 | STF1586 | 2005 | 22 | 255 | 1.5 | 8.83 | 10.37 | F8 | D | 115653.86+402121.5 | |
11569+4021 | STF1586 | 2010 | 23 | 255 | 1.5 | 8.83 | 10.37 | F8 | D | 115653.86+402121.5 | |
11569+4021 | STF1586 | 2016 | 25 | 255 | 1.5 | 8.83 | 10.37 | F8 | 115653.86+402121.5 |
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=250.5° sep=1.15" |
Componente originario normalizzato | AB | Name | HD 103739 | Coord arcsec 2000 | 115653.86+402121.5 | Mag | 8.83 | ||||
Spectral class | F8 (yellow-white) | PmRA | -32.00 | PmDE | 2.0 | SAO | 43958 | ||||
HIP | 58261 | Tycho2 | 3014-00784-1 | HD | 103739 | GC | 16338 | ||||
BD | BD+41 2251 |
Tycho2 | 3014-00784-1 | Pflag | P | RAmdeg | 179.22440604 | DEmdeg | 40.35597709 | ||||
PmRA | -29.9 | PmDE | 1.0 | E RAmdeg | 8 | E DEmdeg | 7 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1991.47 | EpDEm | 1991.48 | ||||
Num | 4 | Q RAmdeg | 0.6 | Q DEmdeg | 1.0 | Q pmRA | 0.6 | ||||
Q pmDE | 0.9 | BTmag | 9.326 | E BTmag | 0.018 | VTmag | 8.827 | ||||
E VTmag | 0.014 | Prox | 15 | TYC | T | HIP | 58261 | ||||
CCDM | A | RAdeg | 179.22455194 | DEdeg | 40.35598833 | EpRA 1990 | 1.72 | ||||
EpDE 1990 | 1.71 | E RAdeg | 7.6 | E DEdeg | 7.4 | Posflg | D | ||||
Corr | 0.0 |
SAO | 43958 | DelFlag | RA1950 | PmRA1950 | -0.0038 | ||||||
DE1950 | PmDE1950 | 0.002 | Vmag | 8.8 | SpType | F8 | |||||
Double code | Source | 70 | CatNum | 16338 | DM | BD+41 2251 | |||||
DMcomp | BDsup | HD | 103739 | M HD | 0 | ||||||
GC | 16338 | RA1950rad | 3.11680323 | DE1950rad | 0.70920083 | PmRA2000 | -0.0036 | ||||
PmDE2000 | 0.007 |
Catalog | H | HIP | 58261 | Proxy | H | RAhms | 11 56 53.89 | ||||
DEdms | +40 21 21.5 | Vmag | 8.54 | VarFlag | R Vmag | G | |||||
RAdeg | 179.225 | DEdeg | 40.356 | AstroRef | A | Plx | 6.6 | ||||
CCDM | 11569+4021 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 254 | Rho | 1.528 | HD | 103739 | BD | BD+41 2251 | ||||
CD | CP | Dm number | +41 2251 | VIred | 0.57 | ||||||
SpType | F8 | R SpType | Coord arcsec 2000 | 115653.89+402121.5 |
HIP | 58261 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 3.1280586638 | DErad | 0.7043448051 | Plx | 6.78 | PmRA | -32.81 | ||||
PmDE | 0.33 | E RArad | 0.58 | E DErad | 0.62 | E Plx | 0.99 | ||||
E pmRA | 0.63 | E pmDE | 0.69 | Hpmag | 8.6705 | E Hpmag | 0.0017 | ||||
SHp | 0.013 | VA | 0 | BV | 0.565 | E BV | 0.072 | ||||
VI | 0.57 |
Ccdm | 11569+4021 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.12 | DDEs | 21.6 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.9 | Sp | F8 | PmNote | * | ||||
PmRA | -25 | PmDE | 2 | Dm number | +41 2251 | Cat1 | BD | ||||
Name2 | +40 1226 | Cat2 | AGK2/3 | HD | 103739 | M HD | |||||
ADS BDS | A 8358 | M ADS BDS | N IDS | IDS | 11517N4055A | ||||||
HIC | 58261 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 115653.76+402121.1 | Mag | 10.37 | PmRA | -31.00 | ||||
PmDE | 3.0 | Tycho2 | 3014-00784-2 | Calc delta mag | 1.54 | Calc coord | yes |
Tycho2 | 3014-00784-2 | Pflag | P | RAmdeg | 179.22440604 | DEmdeg | 40.35597709 | ||||
PmRA | -29.9 | PmDE | 1.0 | E RAmdeg | 8 | E DEmdeg | 7 | ||||
E pmRA | 1.7 | E pmDE | 1.6 | EpRAm | 1991.47 | EpDEm | 1991.48 | ||||
Num | 4 | Q RAmdeg | 0.6 | Q DEmdeg | 1.0 | Q pmRA | 0.6 | ||||
Q pmDE | 0.9 | BTmag | 11.040 | E BTmag | 0.046 | VTmag | 10.372 | ||||
E VTmag | 0.037 | Prox | 15 | TYC | HIP | 58261 | |||||
CCDM | B | RAdeg | 179.22401861 | DEdeg | 40.35585778 | EpRA 1990 | 1.73 | ||||
EpDE 1990 | 1.71 | E RAdeg | 25.2 | E DEdeg | 24.9 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 11569+4021 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1586 | DRAs | DDEs | |||||||
R dRAs | Year | 1832 | Theta | 250 | Rho | 1.6 | |||||
Obs | 9 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 8358 | M ADS BDS | N IDS | IDS | 11517N4055B | ||||||
HIC | 58261 |