Coord 2000 | 17444+0258 | Discov num | STF2201 | Comp | Coord arcsec 2000 | 17 44 24.09 +02 58 02.3 | |||||
Date first | 1831 | Date last | 2016 | Obs | 33 | ||||||
Pa first | 302 | Pa last | 303.8 | P.A. Now (θ) | 303.8° | ||||||
Sep first | 7.2 | Sep last | 7.821 | Sep. Now (ρ) | 7.821" | ||||||
Mag pri | 8.70 | Mag sec | 10.57 | delta mag (ΔM) | 1.87 | Spectral class | K1II-III (yellow-orange) | ||||
Pri motion ra | -011 | Sec motion ra | -010 | ||||||||
Pri motion dec | -007 | Sec motion dec | -004 | ||||||||
Notes |
Name | HD 161262 | Constellation | Ophiuchus | SAO | 122688 | HIP | 86820 | ||||
Tycho2 | 0419-01176-1 | Gaia DR2 | 4376287764405536384 | HD | 161262 | GC | 24072 | ||||
ADS | 10748 | BD | BD+03 3483 | Distance | 373.13 | Distance ly | 1217.15 |
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 |
17444+0258 | STF2201 | 2004 | 24 | 302 | 7.8 | 8.70 | 10.57 | K1II-III | D | 174424.09+025802.3 | |
17444+0258 | STF2201 | 2009 | 25 | 304 | 7.2 | 8.70 | 10.57 | K1II-III | D | 174424.09+025802.3 | |
17444+0258 | STF2201 | 2016 | 27 | 305 | 7.8 | 8.70 | 10.57 | K1II-III | 174424.09+025802.3 |
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=303.8° sep=7.81" |
Componente originario normalizzato | AB | Name | HD 161262 | Coord arcsec 2000 | 174424.09+025802.3 | Mag | 8.7 | ||||
Spectral class | K1II (yellow-orange) | PmRA | -11.00 | PmDE | -7.0 | SAO | 122688 | ||||
HIP | 86820 | Tycho2 | 0419-01176-1 | HD | 161262 | GC | 24072 | ||||
ADS | 10748 | BD | BD+03 3483 |
Tycho2 | 0419-01176-1 | Pflag | RAmdeg | 266.10036599 | DEmdeg | 2.96731000 | |||||
PmRA | -10.5 | PmDE | -6.5 | E RAmdeg | 11 | E DEmdeg | 14 | ||||
E pmRA | 1.0 | E pmDE | 0.9 | EpRAm | 1990.05 | EpDEm | 1988.73 | ||||
Num | 11 | Q RAmdeg | 0.8 | Q DEmdeg | 1.1 | Q pmRA | 0.8 | ||||
Q pmDE | 1.1 | BTmag | 10.319 | E BTmag | 0.037 | VTmag | 8.700 | ||||
E VTmag | 0.017 | Prox | 78 | TYC | T | HIP | 86820 | ||||
CCDM | A | RAdeg | 266.10039000 | DEdeg | 2.96732500 | EpRA 1990 | 1.78 | ||||
EpDE 1990 | 1.73 | E RAdeg | 10.8 | E DEdeg | 13.6 | Posflg | |||||
Corr | -0.2 |
SAO | 122688 | DelFlag | RA1950 | PmRA1950 | -0.0005 | ||||||
DE1950 | PmDE1950 | -0.013 | Vmag | 8.6 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 24072 | DM | BD+03 3483 | |||||
DMcomp | BDsup | HD | 161262 | M HD | 0 | ||||||
GC | 24072 | RA1950rad | 4.63339783 | DE1950rad | 0.05214523 | PmRA2000 | -0.0003 | ||||
PmDE2000 | -0.013 |
Catalog | H | HIP | 86820 | Proxy | H | RAhms | 17 44 24.09 | ||||
DEdms | +02 58 02.4 | Vmag | 8.42 | VarFlag | R Vmag | H | |||||
RAdeg | 266.1 | DEdeg | 2.96733 | AstroRef | A | Plx | 1.91 | ||||
CCDM | 17444+0258 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 302 | Rho | 7.755 | HD | 161262 | BD | BD+03 3483 | ||||
CD | CP | Dm number | +03 3483 | VIred | 1.18 | ||||||
SpType | A2V... | R SpType | Coord arcsec 2000 | 174424.09+025802.4 |
HIP | 86820 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.6443279571 | DErad | 0.0517896154 | Plx | -2.68 | PmRA | -4.94 | ||||
PmDE | -1.86 | E RArad | 1.49 | E DErad | 1.1 | E Plx | 1.62 | ||||
E pmRA | 1.77 | E pmDE | 1.3 | Hpmag | 8.548 | E Hpmag | 0.0035 | ||||
SHp | 0.021 | VA | 0 | BV | 1.22 | E BV | 0.015 | ||||
VI | 1.18 |
Ccdm | 17444+0258 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.04 | DDEs | 2.3 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 8.7 | Sp | K0 | PmNote | * | ||||
PmRA | -17 | PmDE | 2 | Dm number | +03 3483 | Cat1 | BD | ||||
Name2 | +02 2142 | Cat2 | AGK2/3 | HD | 161262 | M HD | |||||
ADS BDS | A10748 | M ADS BDS | N IDS | IDS | 17394N0301A | ||||||
HIC | 86820 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 174423.66+025806.7 | Mag | 10.57 | Spectral class | III | ||||
PmRA | -10.00 | PmDE | -4.0 | Calc delta mag | 1.87 | Calc coord | yes |
Ccdm | 17444+0258 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2201 | DRAs | -0.41 | DDEs | 6.3 | |||||
R dRAs | 10 | Year | 1831 | Theta | 302 | Rho | 7.7 | ||||
Obs | 10 | Vmag | 11.4 | Sp | PmNote | * | |||||
PmRA | -28 | PmDE | -10 | Dm number | Cat1 | ||||||
Name2 | +02 2141 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | A10748 | M ADS BDS | N IDS | IDS | 17394N0301B | ||||||
HIC | 86820 |