Coord 2000 | 16410+8222 | Discov num | STF2125 | Comp | Coord arcsec 2000 | 16 40 57.37 +82 21 53.1 | |||||
Date first | 1899 | Date last | 2017 | Obs | 24 | ||||||
Pa first | 192 | Pa last | 177.9 | P.A. Now (θ) | 177.9° | ||||||
Sep first | 12.0 | Sep last | 12.16 | Sep. Now (ρ) | 12.16" | ||||||
Mag pri | 9.00 | Mag sec | 10.53 | delta mag (ΔM) | 1.53 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | -018 | Sec motion ra | -002 | ||||||||
Pri motion dec | +011 | Sec motion dec | +011 | ||||||||
Notes | U (Proper motion indicates non-physical) |
Constellation | Ursa Minor | HIP | 81664 | Tycho2 | 4580-00316-1 | Gaia DR2 | 1710791478085084032 | ||||
BD | BD+82 496 | Distance | 1818.18 | Distance ly | 5930.9 |
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 |
16410+8222 | STF2125 | 2006 | 13 | 181 | 11.9 | 9.00 | 10.53 | K0 | DU | 164057.37+822153.1 | |
16410+8222 | STF2125 | 2013 | 15 | 179 | 11.8 | 9.00 | 10.53 | K0 | UD | 164057.37+822153.1 | |
16410+8222 | STF2125 | 2014 | 16 | 180 | 11.6 | 9.00 | 10.53 | K0 | UD | 164057.37+822153.1 | |
16410+8222 | STF2125 | 2015 | 18 | 179 | 12.0 | 9.00 | 10.53 | K0 | U | 164057.37+822153.1 | |
16410+8222 | STF2125 | 2017 | 24 | 178 | 12.2 | 9.00 | 10.53 | K0 | U | 164057.37+822153.1 |
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=179.7° sep=12.15" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 164057.37+822153.1 | Mag | 9 | Spectral class | K0 (yellow-orange) | ||||
PmRA | -18.00 | PmDE | 11.0 | HIP | 81667 | Tycho2 | 4580-00316-1 | ||||
BD | BD+82 496 |
Tycho2 | 4580-00316-1 | Pflag | RAmdeg | 250.23905175 | DEmdeg | 82.36475774 | |||||
PmRA | -18.4 | PmDE | 10.4 | E RAmdeg | 11 | E DEmdeg | 10 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1990.63 | EpDEm | 1990.84 | ||||
Num | 9 | Q RAmdeg | 1.1 | Q DEmdeg | 1.1 | Q pmRA | 1.2 | ||||
Q pmDE | 1.2 | BTmag | 10.042 | E BTmag | 0.026 | VTmag | 9.001 | ||||
E VTmag | 0.015 | Prox | 120 | TYC | T | HIP | 81667 | ||||
CCDM | A | RAdeg | 250.23936556 | DEdeg | 82.36473389 | EpRA 1990 | 1.79 | ||||
EpDE 1990 | 1.79 | E RAdeg | 10.7 | E DEdeg | 10.4 | Posflg | |||||
Corr | -0.1 |
Catalog | H | HIP | 81667 | Proxy | RAhms | 16 40 57.45 | |||||
DEdms | +82 21 53.0 | Vmag | 8.89 | VarFlag | R Vmag | H | |||||
RAdeg | 250.239 | DEdeg | 82.3647 | AstroRef | A | Plx | 3.41 | ||||
CCDM | 16410+8222 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | BD+82 496 | |||||||
CD | CP | Dm number | +82 496 | VIred | 1.02 | ||||||
SpType | K0 | R SpType | Coord arcsec 2000 | 164057.45+822153.0 |
HIP | 81667 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.3675009328 | DErad | 1.4375358211 | Plx | 3.63 | PmRA | -16.7 | ||||
PmDE | 13.64 | E RArad | 0.98 | E DErad | 0.96 | E Plx | 1.06 | ||||
E pmRA | 1.15 | E pmDE | 1.33 | Hpmag | 9.053 | E Hpmag | 0.0068 | ||||
SHp | 0.04 | VA | 0 | BV | 0.912 | E BV | 0.028 | ||||
VI | 0.91 |
Ccdm | 16410+8222 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.37 | DDEs | -6.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.1 | Sp | K0 | PmNote | * | ||||
PmRA | -20 | PmDE | 10 | Dm number | +82 496 | Cat1 | BD | ||||
Name2 | +82 490 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A10220 | M ADS BDS | N IDS | IDS | 16518N8232A | ||||||
HIC | 81667 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 164057.40+822140.9 | Mag | 10.53 | PmRA | -2.00 | ||||
PmDE | 11.0 | HIP | 81664 | Tycho2 | 4580-01155-1 | Calc delta mag | 1.53 | ||||
Calc coord | yes |
Tycho2 | 4580-01155-1 | Pflag | RAmdeg | 250.23895078 | DEmdeg | 82.36142656 | |||||
PmRA | -0.1 | PmDE | 12.7 | E RAmdeg | 33 | E DEmdeg | 40 | ||||
E pmRA | 1.9 | E pmDE | 2.1 | EpRAm | 1988.37 | EpDEm | 1987.60 | ||||
Num | 3 | Q RAmdeg | 0.8 | Q DEmdeg | 0.3 | Q pmRA | 0.8 | ||||
Q pmDE | 0.3 | BTmag | 11.576 | E BTmag | 0.074 | VTmag | 10.530 | ||||
E VTmag | 0.048 | Prox | 120 | TYC | T | HIP | 81664 | ||||
CCDM | B | RAdeg | 250.23895333 | DEdeg | 82.36139722 | EpRA 1990 | 1.80 | ||||
EpDE 1990 | 1.73 | E RAdeg | 33.8 | E DEdeg | 41.4 | Posflg | |||||
Corr | -0.1 |
Catalog | H | HIP | 81664 | Proxy | RAhms | 16 40 57.33 | |||||
DEdms | +82 21 41.0 | Vmag | 10.55 | VarFlag | R Vmag | H | |||||
RAdeg | 250.239 | DEdeg | 82.3614 | AstroRef | B | Plx | 8.24 | ||||
CCDM | 16410+8222 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 0.69 | |||||||
SpType | R SpType | Coord arcsec 2000 | 164057.33+822141.0 |
HIP | 81664 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.3674925854 | DErad | 1.4374774777 | Plx | -0.55 | PmRA | -16.52 | ||||
PmDE | 14.08 | E RArad | 2.14 | E DErad | 2.08 | E Plx | 2.33 | ||||
E pmRA | 2.59 | E pmDE | 2.89 | Hpmag | 10.776 | E Hpmag | 0.029 | ||||
SHp | 0 | VA | 0 | BV | 1.066 | E BV | 0.132 | ||||
VI | 1.03 |
Ccdm | 16410+8222 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2125 | DRAs | DDEs | |||||||
R dRAs | Year | 1905 | Theta | 191 | Rho | 12.5 | |||||
Obs | 3 | Vmag | 10.3 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10220 | M ADS BDS | N | N IDS | IDS | 16518N8232B | |||||
HIC | 81664 |