Coord 2000 | 21360+5728 | Discov num | STF2813 | Comp | Coord arcsec 2000 | 21 36 02.74 +57 28 14.0 | |||||
Date first | 1828 | Date last | 2016 | Obs | 30 | ||||||
Pa first | 261 | Pa last | 272 | P.A. Now (θ) | 272° | ||||||
Sep first | 12.0 | Sep last | 10.234 | Sep. Now (ρ) | 10.234" | ||||||
Mag pri | 9.21 | Mag sec | 9.72 | delta mag (ΔM) | 0.51 | Spectral class | F5 (yellow-white) | ||||
Pri motion ra | +018 | Sec motion ra | +018 | ||||||||
Pri motion dec | -008 | Sec motion dec | -006 | ||||||||
Notes | N T (See Notes, Parallax indicates physical) |
Name | HD 205850 | Constellation | Cepheus | SAO | 33570 | Tycho2 | 3975-00628-1 | ||||
Gaia DR2 | 2178421229459667328 | HD | 205850 | GC | 30257 |
discov_num | notes | refcode |
STF2813 | Also known as HJ 1672. |
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 |
21360+5728 | STF2813 | 2004 | 21 | 272 | 10.4 | 9.21 | 9.72 | F5 | N D | 213602.74+572814.0 | |
21360+5728 | STF2813 | 2016 | 24 | 273 | 10.2 | 9.21 | 9.72 | F5 | N | 213602.74+572814.0 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | |
B | pa=273.7° sep=5.51" |
Componente originario normalizzato | AB | Name | HD 205850 | Coord arcsec 2000 | 213602.74+572814.0 | Mag | 9.21 | ||||
Spectral class | F5 (yellow-white) | PmRA | 18.00 | PmDE | -8.0 | SAO | 33570 | ||||
Tycho2 | 3975-00628-1 | HD | 205850 | GC | 30257 | DM | BD+56 2600 |
Tycho2 | 3975-00628-1 | Pflag | RAmdeg | 324.01142858 | DEmdeg | 57.47054908 | |||||
PmRA | 17.9 | PmDE | -7.1 | E RAmdeg | 11 | E DEmdeg | 10 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1990.51 | EpDEm | 1990.77 | ||||
Num | 9 | Q RAmdeg | 1.5 | Q DEmdeg | 1.0 | Q pmRA | 1.6 | ||||
Q pmDE | 1.1 | BTmag | 9.679 | E BTmag | 0.022 | VTmag | 9.214 | ||||
E VTmag | 0.017 | Prox | 102 | TYC | T | HIP | |||||
CCDM | RAdeg | 324.01135194 | DEdeg | 57.47056556 | EpRA 1990 | 1.67 | |||||
EpDE 1990 | 1.69 | E RAdeg | 10.7 | E DEdeg | 10.4 | Posflg | |||||
Corr | 0.1 |
SAO | 33570 | DelFlag | RA1950 | PmRA1950 | 0.0023 | ||||||
DE1950 | PmDE1950 | 0.009 | Vmag | 8.8 | SpType | F5 | |||||
Double code | Source | 70 | CatNum | 30257 | DM | BD+56 2600 | |||||
DMcomp | BDsup | HD | 205850 | M HD | 0 | ||||||
GC | 30257 | RA1950rad | 5.6483525 | DE1950rad | 0.9991347 | PmRA2000 | 0.0027 | ||||
PmDE2000 | 0.005 |
Ccdm | 21360+5728 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.62 | DDEs | 13.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.3 | Sp | F5 | PmNote | * | ||||
PmRA | -4 | PmDE | -7 | Dm number | +56 2600 | Cat1 | BD | ||||
Name2 | +57 1456 | Cat2 | AGK2/3 | HD | 205850 | M HD | |||||
ADS BDS | A15137 | M ADS BDS | N IDS | IDS | 21330N5701A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 213602.06+572814.4 | Mag | 9.72 | PmRA | 18.00 | ||||
PmDE | -6.0 | Tycho2 | 3975-01827-1 | Calc delta mag | 0.51 | Calc coord | yes |
Tycho2 | 3975-01827-1 | Pflag | RAmdeg | 324.00616123 | DEmdeg | 57.47067656 | |||||
PmRA | 19.4 | PmDE | -3.6 | E RAmdeg | 16 | E DEmdeg | 15 | ||||
E pmRA | 2.6 | E pmDE | 2.5 | EpRAm | 1991.17 | EpDEm | 1991.24 | ||||
Num | 4 | Q RAmdeg | 0.7 | Q DEmdeg | 0.5 | Q pmRA | 0.7 | ||||
Q pmDE | 0.6 | BTmag | 10.107 | E BTmag | 0.027 | VTmag | 9.722 | ||||
E VTmag | 0.025 | Prox | 102 | TYC | T | HIP | |||||
CCDM | RAdeg | 324.00607750 | DEdeg | 57.47068472 | EpRA 1990 | 1.62 | |||||
EpDE 1990 | 1.67 | E RAdeg | 16.4 | E DEdeg | 14.7 | Posflg | |||||
Corr | 0.1 |
Ccdm | 21360+5728 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2813 | DRAs | 1.48 | DDEs | 14.1 | |||||
R dRAs | 10 | Year | 1832 | Theta | 273 | Rho | 10.2 | ||||
Obs | 8 | Vmag | 9.8 | Sp | PmNote | * | |||||
PmRA | 19 | PmDE | -7 | Dm number | Cat1 | ||||||
Name2 | +57 1455 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A15137 | M ADS BDS | N IDS | IDS | 21330N5701B | ||||||
HIC |