Coord 2000 | 11394+5211 | Discov num | STF1563 | Comp | Coord arcsec 2000 | 11 39 23.55 +52 11 15.4 | |||||
Date first | 1831 | Date last | 2016 | Obs | 22 | ||||||
Pa first | 158 | Pa last | 157.1 | P.A. Now (θ) | 157.1° | ||||||
Sep first | 14.0 | Sep last | 13.74 | Sep. Now (ρ) | 13.74" | ||||||
Mag pri | 8.58 | Mag sec | 10.64 | delta mag (ΔM) | 2.06 | Spectral class | G0 (yellow) | ||||
Pri motion ra | -076 | Sec motion ra | -074 | ||||||||
Pri motion dec | +017 | Sec motion dec | +016 | ||||||||
Notes | V Y (Proper motion indicates physical, Parallax indicates components are non-physical) |
Name | HD 101254 | Constellation | Ursa Major | SAO | 28088 | HIP | 56854 | ||||
Tycho2 | 3454-01775-1 | Gaia DR2 | 840064095218194432 | HD | 101254 | BD | BD+52 1578 | ||||
Distance | 83.47 | Distance ly | 272.28 |
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 |
11394+5211 | STF1563 | 2006 | 11 | 157 | 13.5 | 8.58 | 10.64 | G0 | YD | 113923.55+521115.4 | |
11394+5211 | STF1563 | 2012 | 12 | 158 | 13.8 | 8.58 | 10.64 | G0 | YD | 113923.55+521115.4 | |
11394+5211 | STF1563 | 2015 | 16 | 157 | 13.7 | 8.58 | 10.64 | G0 | Y | 113923.55+521115.4 | |
11394+5211 | STF1563 | 2016 | 22 | 157 | 13.7 | 8.58 | 10.64 | G0 | V Y | 113923.55+521115.4 |
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=165.5° sep=13.07" |
Componente originario normalizzato | AB | Name | HD 101254 | Coord arcsec 2000 | 113923.55+521115.4 | Mag | 8.58 | ||||
Spectral class | G0 (yellow) | PmRA | -76.00 | PmDE | 17.0 | SAO | 28088 | ||||
HIP | 56854 | Tycho2 | 3454-01775-1 | HD | 101254 | BD | BD+52 1578 |
Tycho2 | 3454-01775-1 | Pflag | RAmdeg | 174.84814544 | DEmdeg | 52.18761266 | |||||
PmRA | -78.5 | PmDE | 18.8 | E RAmdeg | 6 | E DEmdeg | 7 | ||||
E pmRA | 1.4 | E pmDE | 1.4 | EpRAm | 1991.31 | EpDEm | 1991.26 | ||||
Num | 8 | Q RAmdeg | 0.8 | Q DEmdeg | 0.7 | Q pmRA | 0.9 | ||||
Q pmDE | 0.7 | BTmag | 9.165 | E BTmag | 0.017 | VTmag | 8.583 | ||||
E VTmag | 0.012 | Prox | 138 | TYC | T | HIP | 56854 | ||||
CCDM | A | RAdeg | 174.84844222 | DEdeg | 52.18756917 | EpRA 1990 | 1.66 | ||||
EpDE 1990 | 1.67 | E RAdeg | 6.3 | E DEdeg | 6.6 | Posflg | |||||
Corr | -0.1 |
SAO | 28088 | DelFlag | RA1950 | PmRA1950 | -0.0095 | ||||||
DE1950 | PmDE1950 | 0.017 | Vmag | 8.4 | SpType | G0 | |||||
Double code | Source | 37 | CatNum | 3896 | DM | BD+52 1578 | |||||
DMcomp | BDsup | HD | 101254 | M HD | 0 | ||||||
GC | RA1950rad | 3.03992073 | DE1950rad | 0.91567652 | PmRA2000 | -0.0092 | |||||
PmDE2000 | 0.022 |
Catalog | H | HIP | 56854 | Proxy | RAhms | 11 39 23.63 | |||||
DEdms | +52 11 15.2 | Vmag | 8.51 | VarFlag | R Vmag | H | |||||
RAdeg | 174.848 | DEdeg | 52.1876 | AstroRef | A | Plx | 10.94 | ||||
CCDM | 11394+5211 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 101254 | BD | BD+52 1578 | ||||||
CD | CP | Dm number | +52 1578 | VIred | 0.59 | ||||||
SpType | G0 | R SpType | Coord arcsec 2000 | 113923.63+521115.2 |
HIP | 56854 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.0516812484 | DErad | 0.910844838 | Plx | 11.98 | PmRA | -78.29 | ||||
PmDE | 15.78 | E RArad | 0.95 | E DErad | 0.84 | E Plx | 1.37 | ||||
E pmRA | 1.14 | E pmDE | 1.05 | Hpmag | 8.6197 | E Hpmag | 0.0057 | ||||
SHp | 0.037 | VA | 0 | BV | 0.52 | E BV | 0.015 | ||||
VI | 0.59 |
Ccdm | 11394+5211 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.42 | DDEs | 15.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.1 | Sp | G0 | PmNote | * | ||||
PmRA | -72 | PmDE | 20 | Dm number | +52 1578 | Cat1 | BD | ||||
Name2 | +52 860 | Cat2 | AGK2/3 | HD | 101254 | M HD | |||||
ADS BDS | A 8253 | M ADS BDS | N IDS | IDS | 11340N5244A | ||||||
HIC | 56854 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 113923.91+521102.7 | Mag | 10.64 | PmRA | -74.00 | ||||
PmDE | 16.0 | HIP | 56855 | Tycho2 | 3454-02189-1 | Calc delta mag | 2.06 | ||||
Calc coord | yes |
Tycho2 | 3454-02189-1 | Pflag | RAmdeg | 174.85053823 | DEmdeg | 52.18404982 | |||||
PmRA | -78.1 | PmDE | 13.3 | E RAmdeg | 31 | E DEmdeg | 36 | ||||
E pmRA | 2.3 | E pmDE | 2.2 | EpRAm | 1989.58 | EpDEm | 1988.34 | ||||
Num | 3 | Q RAmdeg | 0.7 | Q DEmdeg | 1.8 | Q pmRA | 0.7 | ||||
Q pmDE | 1.8 | BTmag | 11.566 | E BTmag | 0.066 | VTmag | 10.635 | ||||
E VTmag | 0.046 | Prox | 138 | TYC | T | HIP | 56855 | ||||
CCDM | B | RAdeg | 174.85083222 | DEdeg | 52.18401889 | EpRA 1990 | 1.70 | ||||
EpDE 1990 | 1.66 | E RAdeg | 30.6 | E DEdeg | 37.2 | Posflg | D | ||||
Corr | -0.2 |
Catalog | H | HIP | 56855 | Proxy | RAhms | 11 39 24.20 | |||||
DEdms | +52 11 02.6 | Vmag | 10.55 | VarFlag | R Vmag | H | |||||
RAdeg | 174.851 | DEdeg | 52.1841 | AstroRef | B | Plx | 27.03 | ||||
CCDM | 11394+5211 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.71 | |||||||
SpType | R SpType | Coord arcsec 2000 | 113924.20+521102.6 |
HIP | 56855 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 3.0517230601 | DErad | 0.9107835268 | Plx | 12.28 | PmRA | -75.82 | ||||
PmDE | 16.46 | E RArad | 1.46 | E DErad | 1.11 | E Plx | 2.1 | ||||
E pmRA | 1.69 | E pmDE | 1.45 | Hpmag | 10.8302 | E Hpmag | 0.0376 | ||||
SHp | 0 | VA | 0 | BV | 0.724 | E BV | 0.07 | ||||
VI | 0.78 |
Ccdm | 11394+5211 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1563 | DRAs | DDEs | |||||||
R dRAs | Year | 1902 | Theta | 158 | Rho | 13.7 | |||||
Obs | 2 | Vmag | 10.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 8253 | M ADS BDS | N IDS | IDS | 11340N5244B | ||||||
HIC | 56855 |