Coord 2000 | 18443+6103 | Discov num | STF2403 | Comp | Coord arcsec 2000 | 18 44 18.25 +61 02 53.3 | |||||
Date first | 1832 | Date last | 2011 | Obs | 49 | ||||||
Pa first | 259 | Pa last | 277.9 | P.A. Now (θ) | 277.9° | ||||||
Sep first | 1.9 | Sep last | 1.061 | Sep. Now (ρ) | 1.061" | ||||||
Mag pri | 6.25 | Mag sec | 8.35 | delta mag (ΔM) | 2.1 | Spectral class | G8III (yellow) | ||||
Pri motion ra | +004 | Sec motion ra | +004 | ||||||||
Pri motion dec | +020 | Sec motion dec | +020 | ||||||||
Notes |
Name | HD 173949 | Constellation | Draco | SAO | 17995 | HIP | 91915 | ||||
Tycho2 | 4215-02488-1 | Gaia DR2 | 2156562659107944448 | HD | 173949 | HR | 7075 | ||||
GC | 25705 | ADS | 11661 | BD | BD+60 1845 | Distance | 109.53 | ||||
Distance ly | 357.29 |
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 |
18443+6103 | STF2403 | 2007 | 43 | 281 | 1.1 | 6.25 | 8.35 | G8III | D | 184418.25+610253.3 | |
18443+6103 | STF2403 | 2010 | 47 | 277 | 1.1 | 6.25 | 8.35 | G8III | D | 184418.25+610253.3 | |
18443+6103 | STF2403 | 2011 | 49 | 278 | 1.1 | 6.25 | 8.35 | G8III | D | 184418.25+610253.3 |
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=286.0° sep=0.53" |
Componente originario normalizzato | AB | Name | HD 173949 | Coord arcsec 2000 | 184418.25+610253.3 | Mag | 6.25 | ||||
Spectral class | G8III (yellow) | PmRA | 4.00 | PmDE | 20.0 | SAO | 17995 | ||||
HIP | 91915 | Tycho2 | 4215-02488-1 | HD | 173949 | HR | 7075 | ||||
GC | 25705 | BD | BD+60 1845 |
Tycho2 | 4215-02488-1 | Pflag | P | RAmdeg | 281.07602849 | DEmdeg | 61.04814849 | ||||
PmRA | 4.0 | PmDE | 19.7 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 2.2 | E pmDE | 2.2 | EpRAm | 1991.57 | EpDEm | 1991.56 | ||||
Num | 5 | Q RAmdeg | 1.5 | Q DEmdeg | 1.2 | Q pmRA | 1.4 | ||||
Q pmDE | 1.4 | BTmag | 7.498 | E BTmag | 0.015 | VTmag | 6.254 | ||||
E VTmag | 0.010 | Prox | 12 | TYC | T | HIP | 91915 | ||||
CCDM | A | RAdeg | 281.07610333 | DEdeg | 61.04809917 | EpRA 1990 | 1.62 | ||||
EpDE 1990 | 1.61 | E RAdeg | 3.8 | E DEdeg | 3.8 | Posflg | D | ||||
Corr | 0.0 |
SAO | 17995 | DelFlag | RA1950 | PmRA1950 | -0.0014 | ||||||
DE1950 | PmDE1950 | 0.019 | Vmag | 6.2 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 25705 | DM | BD+60 1845 | |||||
DMcomp | BDsup | HD | 173949 | M HD | 0 | ||||||
GC | 25705 | RA1950rad | 4.90312724 | DE1950rad | 1.06455903 | PmRA2000 | -0.0007 | ||||
PmDE2000 | 0.018 |
Catalog | H | HIP | 91915 | Proxy | H | RAhms | 18 44 18.27 | ||||
DEdms | +61 02 53.1 | Vmag | 6.02 | VarFlag | R Vmag | G | |||||
RAdeg | 281.076 | DEdeg | 61.0481 | AstroRef | A | Plx | 8.95 | ||||
CCDM | 18443+6103 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 275 | Rho | 1.146 | HD | 173949 | BD | BD+60 1845 | ||||
CD | CP | Dm number | +60 1845 | VIred | 0.95 | ||||||
SpType | G7IV | R SpType | Coord arcsec 2000 | 184418.27+610253.1 |
HIP | 91915 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.9057034817 | DErad | 1.0654902822 | Plx | 9.13 | PmRA | 0.19 | ||||
PmDE | 19.45 | E RArad | 0.34 | E DErad | 0.36 | E Plx | 0.36 | ||||
E pmRA | 0.39 | E pmDE | 0.41 | Hpmag | 6.1671 | E Hpmag | 0.0006 | ||||
SHp | 0.007 | VA | 0 | BV | 0.967 | E BV | 0.003 | ||||
VI | 0.95 |
Ccdm | 18443+6103 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.26 | DDEs | -7.4 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 6.3 | Sp | K0 | PmNote | * | ||||
PmRA | -1 | PmDE | 7 | Dm number | +60 1845 | Cat1 | BD | ||||
Name2 | +60 1136 | Cat2 | AGK2/3 | HD | 173949 | M HD | |||||
ADS BDS | A11661 | M ADS BDS | N IDS | IDS | 18431N6057A | ||||||
HIC | 91915 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 184418.18+610253.4 | Mag | 8.35 | PmRA | 4.00 | ||||
PmDE | 20.0 | Tycho2 | 4215-02488-2 | Calc delta mag | 2.1 | Calc coord | yes |
Tycho2 | 4215-02488-2 | Pflag | P | RAmdeg | 281.07602849 | DEmdeg | 61.04814849 | ||||
PmRA | 4.0 | PmDE | 19.7 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 2.2 | E pmDE | 2.2 | EpRAm | 1991.57 | EpDEm | 1991.56 | ||||
Num | 5 | Q RAmdeg | 1.5 | Q DEmdeg | 1.2 | Q pmRA | 1.4 | ||||
Q pmDE | 1.4 | BTmag | 8.883 | E BTmag | 0.018 | VTmag | 8.347 | ||||
E VTmag | 0.013 | Prox | 12 | TYC | HIP | 91915 | |||||
CCDM | B | RAdeg | 281.07543722 | DEdeg | 61.04812250 | EpRA 1990 | 1.66 | ||||
EpDE 1990 | 1.62 | E RAdeg | 7.0 | E DEdeg | 7.4 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 18443+6103 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2403 | DRAs | DDEs | |||||||
R dRAs | Year | 1958 | Theta | 271 | Rho | 1.4 | |||||
Obs | 16 | Vmag | 9.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11661 | M ADS BDS | N IDS | IDS | 18431N6057B | ||||||
HIC | 91915 |