Coord 2000 | 21289+1105 | Discov num | STF2799 | Comp | AC | Coord arcsec 2000 | 21 28 52.79 +11 05 05.2 | ||||
Date first | 1906 | Date last | 2016 | Obs | 19 | ||||||
Pa first | 338 | Pa last | 331 | P.A. Now (θ) | 331° | ||||||
Sep first | 137.1 | Sep last | 135.87 | Sep. Now (ρ) | 135.87" | ||||||
Mag pri | 7.37 | Mag sec | 10.20 | delta mag (ΔM) | 2.83 | Spectral class | F4V (yellow-white) | ||||
Pri motion ra | +074 | Sec motion ra | -032 | ||||||||
Pri motion dec | +017 | Sec motion dec | -028 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 204509 | 107165 | 21 28 53 +11 05 05 | STF 2799 AB | 2021 | 422 | 259 | 1.9 | 7.37 | 7.44 | 0.07 | Y | |
Show | 107165 | 21 28 53 +11 05 05 | STF 2799 AC | 2016 | 19 | 331 | 135.9 | 7.37 | 10.20 | 2.83 | <=== |
Constellation | Pegasus | SAO | 107165 | HIP | 106053 | Tycho2 | 1123-02302-1 | ||||
Gaia DR2 | 1745718697602229504 | HD | 204509 | BD | BD+10 4554 | Distance | 105.04 | ||||
Distance ly | 342.64 |
discov_num | notes | refcode |
STF2799 | STF2911. |
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 |
21289+1105 | STF2799 | AC | 2002 | 11 | 332 | 136.3 | 7.37 | 10.20 | F4V | N D | 212852.79+110505.2 |
21289+1105 | STF2799 | AC | 2006 | 12 | 332 | 136.4 | 7.37 | 10.20 | F4V | N D | 212852.79+110505.2 |
21289+1105 | STF2799 | AC | 2012 | 16 | 331 | 136.3 | 7.37 | 10.20 | F4V | N D | 212852.79+110505.2 |
21289+1105 | STF2799 | AC | 2013 | 18 | 331 | 136.5 | 7.37 | 10.20 | F4V | N | 212852.79+110505.2 |
21289+1105 | STF2799 | AC | 2016 | 19 | 331 | 135.9 | 7.37 | 10.20 | F4V | N | 212852.79+110505.2 |
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 | |
B | pa=258.7° sep=1.90" | |
C | pa=331.5° sep=135.28" | pa=332.2° sep=134.73" |
Name | HD 204509 | Coord arcsec 2000 | 212852.79+110505.2 | Mag | 7.37 | Spectral class | F4V (yellow-white) | ||||
PmRA | 71.00 | PmDE | 14.0 | SAO | 107165 | HIP | 106053 | ||||
Tycho2 | 1123-02302-1 | HD | 204509 | GC | 30071 | BD | BD+10 4554 |
Tycho2 | 1123-02302-1 | Pflag | P | RAmdeg | 322.21990153 | DEmdeg | 11.08480670 | ||||
PmRA | 71.1 | PmDE | 13.9 | E RAmdeg | 5 | E DEmdeg | 6 | ||||
E pmRA | 2.2 | E pmDE | 2.0 | EpRAm | 1991.60 | EpDEm | 1991.44 | ||||
Num | 6 | Q RAmdeg | 1.0 | Q DEmdeg | 0.8 | Q pmRA | 1.0 | ||||
Q pmDE | 0.8 | BTmag | 7.785 | E BTmag | 0.016 | VTmag | 7.372 | ||||
E VTmag | 0.012 | Prox | 18 | TYC | T | HIP | 106053 | ||||
CCDM | A | RAdeg | 322.21996417 | DEdeg | 11.08478806 | EpRA 1990 | 1.65 | ||||
EpDE 1990 | 1.55 | E RAdeg | 5.0 | E DEdeg | 5.9 | Posflg | D | ||||
Corr | 0.0 |
SAO | 107165 | DelFlag | RA1950 | PmRA1950 | 0.0054 | ||||||
DE1950 | PmDE1950 | 0.026 | Vmag | 6.7 | SpType | F2 | |||||
Double code | Source | 70 | CatNum | 30071 | DM | BD+10 4554 | |||||
DMcomp | BDsup | HD | 204509 | M HD | 0 | ||||||
GC | 30071 | RA1950rad | 5.61317904 | DE1950rad | 0.18963964 | PmRA2000 | 0.0055 | ||||
PmDE2000 | 0.022 |
Catalog | H | HIP | 106053 | Proxy | H | RAhms | 21 28 52.79 | ||||
DEdms | +11 05 05.2 | Vmag | 6.65 | VarFlag | R Vmag | G | |||||
RAdeg | 322.22 | DEdeg | 11.0848 | AstroRef | A | Plx | 7.92 | ||||
CCDM | 21289+1106 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 266 | Rho | 1.787 | HD | 204509 | BD | BD+10 4554 | ||||
CD | CP | Dm number | +10 4554 | VIred | 0.44 | ||||||
SpType | F4II | R SpType | Coord arcsec 2000 | 212852.79+110505.2 |
HIP | 106053 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.6237992241 | DErad | 0.1934660582 | Plx | 9.52 | PmRA | 75.25 | ||||
PmDE | 19.49 | E RArad | 0.85 | E DErad | 0.82 | E Plx | 0.91 | ||||
E pmRA | 1.09 | E pmDE | 0.85 | Hpmag | 6.7275 | E Hpmag | 0.0009 | ||||
SHp | 0.009 | VA | 0 | BV | 0.38 | E BV | 0.015 | ||||
VI | 0.44 |
Coord arcsec 2000 | 212852.66+110504.8 | Mag | 7.44 | PmRA | 71.00 | PmDE | 14.0 | ||||
Tycho2 | 1123-02302-2 | Calc delta mag | 0.07 | Calc coord | yes |
Tycho2 | 1123-02302-2 | Pflag | P | RAmdeg | 322.21990153 | DEmdeg | 11.08480670 | ||||
PmRA | 71.1 | PmDE | 13.9 | E RAmdeg | 5 | E DEmdeg | 6 | ||||
E pmRA | 2.2 | E pmDE | 2.0 | EpRAm | 1991.60 | EpDEm | 1991.44 | ||||
Num | 6 | Q RAmdeg | 1.0 | Q DEmdeg | 0.8 | Q pmRA | 1.0 | ||||
Q pmDE | 0.8 | BTmag | 7.887 | E BTmag | 0.016 | VTmag | 7.437 | ||||
E VTmag | 0.012 | Prox | 18 | TYC | T | HIP | 106053 | ||||
CCDM | B | RAdeg | 322.21945861 | DEdeg | 11.08475778 | EpRA 1990 | 1.67 | ||||
EpDE 1990 | 1.56 | E RAdeg | 5.0 | E DEdeg | 6.0 | Posflg | D | ||||
Corr | 0.1 |
Coord arcsec 2000 | 212848.40+110704.0 | Mag | 10.2 | PmRA | -32.00 | PmDE | -28.0 | ||||
Tycho2 | 1123-01498-1 | Calc delta mag | 2.83 | Calc coord | yes |
Tycho2 | 1123-01498-1 | Pflag | RAmdeg | 322.20178386 | DEmdeg | 11.11813032 | |||||
PmRA | -34.1 | PmDE | -30.2 | E RAmdeg | 27 | E DEmdeg | 34 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1987.94 | EpDEm | 1984.88 | ||||
Num | 5 | Q RAmdeg | 1.5 | Q DEmdeg | 0.9 | Q pmRA | 1.5 | ||||
Q pmDE | 0.9 | BTmag | 10.793 | E BTmag | 0.055 | VTmag | 10.200 | ||||
E VTmag | 0.047 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 322.20186500 | DEdeg | 11.11820111 | EpRA 1990 | 1.62 | |||||
EpDE 1990 | 1.53 | E RAdeg | 27.8 | E DEdeg | 36.0 | Posflg | |||||
Corr | -0.1 |