Coord 2000 | 19200-0638 | Discov num | STF2494 | Comp | Coord arcsec 2000 | 19 20 02.80 -06 37 40.8 | |||||
Date first | 1827 | Date last | 2006 | Obs | 20 | ||||||
Pa first | 81 | Pa last | 88.7 | P.A. Now (θ) | 88.7° | ||||||
Sep first | 25.0 | Sep last | 25.67 | Sep. Now (ρ) | 25.67" | ||||||
Mag pri | 6.98 | Mag sec | 10.40 | delta mag (ΔM) | 3.42 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | +005 | Sec motion ra | +013 | ||||||||
Pri motion dec | -015 | Sec motion dec | -051 | ||||||||
Notes |
Name | HD 181255 | Constellation | Aquila | SAO | 143275 | HIP | 95021 | ||||
Tycho2 | 5142-02917-1 | Gaia DR2 | 4210909361489668992 | HD | 181255 | GC | 26655 | ||||
BD | BD-06 5103 | Distance | 204.92 | Distance ly | 668.45 |
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 |
19200-0638 | STF2494 | 2006 | 15 | 89 | 25.7 | 6.98 | 10.40 | K0 | 192002.80-063740.8 |
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=88.7° sep=25.50" |
Componente originario normalizzato | AB | Name | HD 181255 | Coord arcsec 2000 | 192002.80-063740.8 | Mag | 6.98 | ||||
Spectral class | K0 (yellow-orange) | PmRA | 5.00 | PmDE | -15.0 | SAO | 143275 | ||||
HIP | 95021 | Tycho2 | 5142-02917-1 | HD | 181255 | GC | 26655 | ||||
BD | BD-06 5103 |
Tycho2 | 5142-02917-1 | Pflag | RAmdeg | 290.01167388 | DEmdeg | -6.62800442 | |||||
PmRA | 5.8 | PmDE | -13.7 | E RAmdeg | 4 | E DEmdeg | 5 | ||||
E pmRA | 1.0 | E pmDE | 1.1 | EpRAm | 1991.46 | EpDEm | 1991.22 | ||||
Num | 13 | Q RAmdeg | 0.5 | Q DEmdeg | 0.8 | Q pmRA | 0.5 | ||||
Q pmDE | 0.8 | BTmag | 9.018 | E BTmag | 0.017 | VTmag | 6.978 | ||||
E VTmag | 0.010 | Prox | 258 | TYC | T | HIP | 95021 | ||||
CCDM | RAdeg | 290.01166056 | DEdeg | -6.62797333 | EpRA 1990 | 1.87 | |||||
EpDE 1990 | 1.76 | E RAdeg | 4.0 | E DEdeg | 4.8 | Posflg | |||||
Corr | -0.1 |
SAO | 143275 | DelFlag | RA1950 | PmRA1950 | -0.0003 | ||||||
DE1950 | PmDE1950 | -0.013 | Vmag | 7 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 26655 | DM | BD-06 5103 | |||||
DMcomp | BDsup | HD | 181255 | M HD | 0 | ||||||
GC | 26655 | RA1950rad | 5.04993424 | DE1950rad | -0.11731429 | PmRA2000 | -0.0001 | ||||
PmDE2000 | -0.013 |
Catalog | H | HIP | 95021 | Proxy | RAhms | 19 20 02.80 | |||||
DEdms | -06 37 40.7 | Vmag | 6.76 | VarFlag | 1 | R Vmag | H | ||||
RAdeg | 290.012 | DEdeg | -6.62797 | AstroRef | Plx | 2.96 | |||||
CCDM | 19200-0638 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 181255 | BD | BD-06 5103 | ||||||
CD | CP | Dm number | -06 5103 | VIred | 1.65 | ||||||
SpType | K0 | R SpType | Coord arcsec 2000 | 192002.80-063740.7 |
HIP | 95021 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.0616582912 | DErad | -0.1156799349 | Plx | 4.88 | PmRA | 4.51 | ||||
PmDE | -14.79 | E RArad | 0.45 | E DErad | 0.27 | E Plx | 0.55 | ||||
E pmRA | 0.58 | E pmDE | 0.42 | Hpmag | 6.8672 | E Hpmag | 0.0016 | ||||
SHp | 0.016 | VA | 2 | BV | 1.683 | E BV | 0.018 | ||||
VI | 1.71 |
Ccdm | 19200-0638 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.73 | DDEs | 19.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.1 | Sp | K0 | PmNote | * | ||||
PmRA | -4 | PmDE | -13 | Dm number | -06 5103 | Cat1 | BD | ||||
Name2 | 143275 | Cat2 | SAO | HD | 181255 | M HD | |||||
ADS BDS | A12314 | M ADS BDS | N IDS | IDS | 19147S0649A | ||||||
HIC | 95021 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 192004.51-063740.2 | Mag | 10.4 | PmRA | 13.00 | ||||
PmDE | -51.0 | Calc delta mag | 3.42 | Calc coord | yes |
Ccdm | 19200-0638 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2494 | DRAs | DDEs | |||||||
R dRAs | Year | 1932 | Theta | 085 | Rho | 25.9 | |||||
Obs | 6 | Vmag | 10.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12314 | M ADS BDS | N | N IDS | IDS | 19147S0649B | |||||
HIC |