Coord 2000 | 20396+3030 | Discov num | STF2711 | Comp | Coord arcsec 2000 | 20 39 35.12 +30 30 14.6 | |||||
Date first | 1831 | Date last | 2016 | Obs | 35 | ||||||
Pa first | 223 | Pa last | 223 | P.A. Now (θ) | 223° | ||||||
Sep first | 2.5 | Sep last | 2.408 | Sep. Now (ρ) | 2.408" | ||||||
Mag pri | 8.17 | Mag sec | 9.24 | delta mag (ΔM) | 1.07 | Spectral class | A2.5V (white) | ||||
Pri motion ra | -005 | Sec motion ra | -005 | ||||||||
Pri motion dec | -015 | Sec motion dec | -015 | ||||||||
Notes |
Name | HD 196954 | Constellation | Cygnus | SAO | 70331 | HIP | 101951 | ||||
Tycho2 | 2686-00454-1 | Gaia DR2 | 1859274128220740352 | HD | 196954 | GC | 28787 | ||||
ADS | 14124 | BD | BD+29 4124 | Distance | 344.83 | Distance ly | 1124.84 |
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 |
20396+3030 | STF2711 | 1998 | 32 | 223 | 2.3 | 8.17 | 9.24 | A2.5V | D | 203935.12+303014.6 | |
20396+3030 | STF2711 | 2011 | 33 | 223 | 2.3 | 8.17 | 9.24 | A2.5V | D | 203935.12+303014.6 | |
20396+3030 | STF2711 | 2016 | 33 | 223 | 2.4 | 8.17 | 9.24 | A2.5V | 203935.12+303014.6 |
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=218.8° sep=2.26" |
Componente originario normalizzato | AB | Name | HD 196954 | Coord arcsec 2000 | 203935.12+303014.6 | Mag | 8.17 | ||||
Spectral class | A2.5V (white) | PmRA | -5.00 | PmDE | -15.0 | SAO | 70331 | ||||
HIP | 101951 | Tycho2 | 2686-00454-1 | HD | 196954 | GC | 28787 | ||||
ADS | 14124 | BD | BD+29 4124 |
Tycho2 | 2686-00454-1 | Pflag | P | RAmdeg | 309.89632429 | DEmdeg | 30.50405798 | ||||
PmRA | -5.0 | PmDE | -14.5 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 2.7 | E pmDE | 2.6 | EpRAm | 1991.62 | EpDEm | 1991.76 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.0 | Q pmRA | 0.9 | ||||
Q pmDE | 0.0 | BTmag | 8.329 | E BTmag | 0.015 | VTmag | 8.168 | ||||
E VTmag | 0.010 | Prox | 24 | TYC | T | HIP | 101951 | ||||
CCDM | A | RAdeg | 309.89643750 | DEdeg | 30.50418194 | EpRA 1990 | 1.64 | ||||
EpDE 1990 | 1.79 | E RAdeg | 4.3 | E DEdeg | 4.1 | Posflg | D | ||||
Corr | 0.3 |
SAO | 70331 | DelFlag | RA1950 | PmRA1950 | -0.001 | ||||||
DE1950 | PmDE1950 | -0.011 | Vmag | 8 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 28787 | DM | BD+29 4124 | |||||
DMcomp | BDsup | HD | 196954 | M HD | 0 | ||||||
GC | 28787 | RA1950rad | 5.39972631 | DE1950rad | 0.52930397 | PmRA2000 | -0.0008 | ||||
PmDE2000 | -0.014 |
Catalog | H | HIP | 101951 | Proxy | H | RAhms | 20 39 35.15 | ||||
DEdms | +30 30 15.1 | Vmag | 7.82 | VarFlag | R Vmag | H | |||||
RAdeg | 309.896 | DEdeg | 30.5042 | AstroRef | A | Plx | 3.01 | ||||
CCDM | 20396+3030 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 223 | Rho | 2.384 | HD | 196954 | BD | BD+29 4124 | ||||
CD | CP | Dm number | +29 4124 | VIred | 0.1 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 203935.15+303015.1 |
HIP | 101951 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.4087131841 | DErad | 0.5323984391 | Plx | 2.9 | PmRA | -6.41 | ||||
PmDE | -16.61 | E RArad | 0.41 | E DErad | 0.52 | E Plx | 0.77 | ||||
E pmRA | 0.45 | E pmDE | 0.52 | Hpmag | 7.8739 | E Hpmag | 0.0009 | ||||
SHp | 0.014 | VA | 0 | BV | 0.147 | E BV | 0.008 | ||||
VI | 0.16 |
Ccdm | 20396+3030 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.91 | DDEs | 15.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.1 | Sp | A0 | PmNote | * | ||||
PmRA | -13 | PmDE | -10 | Dm number | +29 4124 | Cat1 | BD | ||||
Name2 | 70331 | Cat2 | SAO | HD | 196954 | M HD | |||||
ADS BDS | A14124 | M ADS BDS | N IDS | IDS | 20355N3009A | ||||||
HIC | 101951 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 203935.01+303012.8 | Mag | 9.24 | PmRA | -5.00 | ||||
PmDE | -15.0 | Tycho2 | 2686-00454-2 | Calc delta mag | 1.07 | Calc coord | yes |
Tycho2 | 2686-00454-2 | Pflag | P | RAmdeg | 309.89632429 | DEmdeg | 30.50405798 | ||||
PmRA | -5.0 | PmDE | -14.5 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 2.7 | E pmDE | 2.6 | EpRAm | 1991.62 | EpDEm | 1991.76 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.0 | Q pmRA | 0.9 | ||||
Q pmDE | 0.0 | BTmag | 9.393 | E BTmag | 0.017 | VTmag | 9.244 | ||||
E VTmag | 0.014 | Prox | 24 | TYC | T | HIP | 101951 | ||||
CCDM | B | RAdeg | 309.89591083 | DEdeg | 30.50370167 | EpRA 1990 | 1.64 | ||||
EpDE 1990 | 1.77 | E RAdeg | 7.4 | E DEdeg | 7.1 | Posflg | D | ||||
Corr | 0.2 |
Ccdm | 20396+3030 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2711 | DRAs | DDEs | |||||||
R dRAs | Year | 1831 | Theta | 223 | Rho | 2.4 | |||||
Obs | 16 | Vmag | 9.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A14124 | M ADS BDS | N IDS | IDS | 20355N3009B | ||||||
HIC | 101951 |