Coord 2000 | 10262-0403 | Discov num | STF1433 | Comp | Coord arcsec 2000 | 10 26 14.88 -04 03 08.8 | |||||
Date first | 1896 | Date last | 2015 | Obs | 10 | ||||||
Pa first | 262 | Pa last | 264.4 | P.A. Now (θ) | 264.4° | ||||||
Sep first | 22.6 | Sep last | 23.714 | Sep. Now (ρ) | 23.714" | ||||||
Mag pri | 8.38 | Mag sec | 11.74 | delta mag (ΔM) | 3.36 | Spectral class | K2 (yellow-orange) | ||||
Pri motion ra | -006 | Sec motion ra | -011 | ||||||||
Pri motion dec | -010 | Sec motion dec | -003 | ||||||||
Notes |
Name | HD 90421 | Constellation | Sextans | SAO | 137562 | Tycho2 | 4908-01519-1 | ||||
Gaia DR2 | 3779569644227603584 | HD | 90421 |
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 |
10262-0403 | STF1433 | 1998 | 5 | 265 | 23.7 | 8.38 | 10.20 | K2 | D | 102614.88-040308.8 | |
10262-0403 | STF1433 | 2011 | 6 | 265 | 23.4 | 8.38 | 10.20 | K2 | D | 102614.88-040308.8 | |
10262-0403 | STF1433 | 2015 | 10 | 264 | 23.7 | 8.38 | 11.74 | K2 | 102614.88-040308.8 |
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=264.4° sep=23.66" |
Componente originario normalizzato | AB | Name | HD 90421 | Coord arcsec 2000 | 102614.88-040308.8 | Mag | 8.38 | ||||
Spectral class | K2 (yellow-orange) | PmRA | -6.00 | PmDE | -10.0 | SAO | 137562 | ||||
Tycho2 | 4908-01519-1 | HD | 90421 | DM | BD-03 2920 |
Tycho2 | 4908-01519-1 | Pflag | RAmdeg | 156.56200586 | DEmdeg | -4.05246323 | |||||
PmRA | -3.6 | PmDE | -9.4 | E RAmdeg | 7 | E DEmdeg | 9 | ||||
E pmRA | 1.2 | E pmDE | 1.3 | EpRAm | 1990.86 | EpDEm | 1990.60 | ||||
Num | 10 | Q RAmdeg | 1.1 | Q DEmdeg | 1.2 | Q pmRA | 1.2 | ||||
Q pmDE | 1.3 | BTmag | 9.850 | E BTmag | 0.025 | VTmag | 8.384 | ||||
E VTmag | 0.013 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 156.56201333 | DEdeg | -4.05244111 | EpRA 1990 | 1.79 | |||||
EpDE 1990 | 1.71 | E RAdeg | 6.9 | E DEdeg | 9.3 | Posflg | |||||
Corr | 0.2 |
SAO | 137562 | DelFlag | RA1950 | PmRA1950 | -0.001 | ||||||
DE1950 | PmDE1950 | -0.01 | Vmag | 8.7 | SpType | K2 | |||||
Double code | Source | 27 | CatNum | 4020 | DM | BD-03 2920 | |||||
DMcomp | BDsup | HD | 90421 | M HD | 0 | ||||||
GC | RA1950rad | 2.72147556 | DE1950rad | -0.06627966 | PmRA2000 | -0.0007 | |||||
PmDE2000 | -0.006 |
Ccdm | 10262-0403 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.80 | DDEs | -9.0 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.0 | Sp | K2 | PmNote | * | ||||
PmRA | -15 | PmDE | -10 | Dm number | -03 2920 | Cat1 | BD | ||||
Name2 | 137562 | Cat2 | SAO | HD | 90421 | M HD | |||||
ADS BDS | B 5430 | M ADS BDS | N IDS | IDS | 10213S0332A | ||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 102613.31-040311.1 | Mag | 11.74 | PmRA | -11.00 | ||||
PmDE | -3.0 | Calc delta mag | 3.36 | Calc coord | yes |
Ccdm | 10262-0403 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF1433 | DRAs | DDEs | |||||||
R dRAs | Year | 1907 | Theta | 262 | Rho | 23.7 | |||||
Obs | 1 | Vmag | 10.8 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | B 5430 | M ADS BDS | N | N IDS | IDS | 10213S0332B | |||||
HIC |