Coord 2000 | 18277+1918 | Discov num | STF2319 | Comp | AC | Coord arcsec 2000 | 18 27 43.94 +19 17 43.9 | ||||
Date first | 1829 | Date last | 2018 | Obs | 39 | ||||||
Pa first | 279 | Pa last | 268.4 | P.A. Now (θ) | 268.4° | ||||||
Sep first | 38.4 | Sep last | 43.121 | Sep. Now (ρ) | 43.121" | ||||||
Mag pri | 8.41 | Mag sec | 10.74 | delta mag (ΔM) | 2.33 | Spectral class | F5 (yellow-white) | ||||
Pri motion ra | +020 | Sec motion ra | -006 | ||||||||
Pri motion dec | +022 | Sec motion dec | -014 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 170267 | 103740 | 18 27 44 +19 17 44 | STF 2319 AB | 2019 | 121 | 190 | 5.3 | 8.41 | 8.23 | 0.18 | ||
Show | 103740 | 18 27 44 +19 17 44 | STF 2319 AC | 2018 | 39 | 268 | 43.1 | 8.41 | 10.74 | 2.33 | <=== | ||
Show | 103740 | 18 27 44 +19 17 44 | STF 2319 AD | 2015 | 14 | 71 | 156.7 | 8.41 | 9.17 | 0.76 | |||
Show | 18 27 44 +19 17 39 | STF 2319 BC | 2018 | 35 | 276 | 42.4 | 8.23 | 10.74 | 2.51 |
Constellation | Hercules | SAO | 103740 | Tycho2 | 1577-01902-1 | Gaia DR2 | 4525128550381295616 |
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 |
18277+1918 | STF2319 | AC | 2006 | 33 | 274 | 42.7 | 8.41 | 10.74 | D | 182743.94+191743.8 | |
18277+1918 | STF2319 | AC | 2009 | 34 | 269 | 43.0 | 8.41 | 10.74 | D | 182743.94+191743.8 | |
18277+1918 | STF2319 | AC | 2012 | 35 | 269 | 43.0 | 8.41 | 10.74 | D | 182743.94+191743.8 | |
18277+1918 | STF2319 | AC | 2015 | 34 | 269 | 42.9 | 8.41 | 10.74 | F5 | 182743.94+191743.9 | |
18277+1918 | STF2319 | AC | 2018 | 35 | 269 | 43.1 | 8.41 | 10.74 | F5 | 182743.94+191743.9 |
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 | C | |
B | pa=189.1° sep=5.37" | ||
C | pa=268.3° sep=40.70" | pa=275.9° sep=40.04" | |
D | pa=69.4° sep=148.91" | pa=67.7° sep=151.64" | pa=73.5° sep=187.89" |
Name | HD 170267 | Coord arcsec 2000 | 182743.94+191743.9 | Mag | 8.41 | Spectral class | F5 (yellow-white) | ||||
PmRA | 20.00 | PmDE | 22.0 | SAO | 103740 | HIP | 90479 | ||||
Tycho2 | 1577-01902-1 | HD | 170267 | GC | 25200 | BD | BD+19 3651 |
Tycho2 | 1577-01902-1 | Pflag | RAmdeg | 276.93285427 | DEmdeg | 19.29406947 | |||||
PmRA | 24.8 | PmDE | 21.1 | E RAmdeg | 7 | E DEmdeg | 10 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1991.53 | EpDEm | 1991.01 | ||||
Num | 5 | Q RAmdeg | 0.9 | Q DEmdeg | 0.6 | Q pmRA | 0.8 | ||||
Q pmDE | 0.6 | BTmag | 8.922 | E BTmag | 0.020 | VTmag | 8.413 | ||||
E VTmag | 0.016 | Prox | 54 | TYC | T | HIP | 90479 | ||||
CCDM | B | RAdeg | 276.93279444 | DEdeg | 19.29402056 | EpRA 1990 | 1.81 | ||||
EpDE 1990 | 1.65 | E RAdeg | 6.6 | E DEdeg | 10.3 | Posflg | |||||
Corr | 0.2 |
SAO | 103740 | DelFlag | RA1950 | PmRA1950 | 0.0014 | ||||||
DE1950 | PmDE1950 | 0.028 | Vmag | 8.1 | SpType | F5 | |||||
Double code | Source | 70 | CatNum | 25200 | DM | BD+19 3651 | |||||
DMcomp | A | BDsup | HD | 170267 | M HD | 0 | |||||
GC | 25200 | RA1950rad | 4.82389209 | DE1950rad | 0.33620472 | PmRA2000 | 0.0015 | ||||
PmDE2000 | 0.029 |
Catalog | H | HIP | 90479 | Proxy | H | RAhms | 18 27 43.94 | ||||
DEdms | +19 17 43.8 | Vmag | 7.52 | VarFlag | R Vmag | G | |||||
RAdeg | 276.933 | DEdeg | 19.2955 | AstroRef | A | Plx | 6.78 | ||||
CCDM | 18278+1918 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 190 | Rho | 5.373 | HD | 170267 | BD | BD+19 3651 | ||||
CD | CP | Dm number | +19 3651 | VIred | 0.62 | ||||||
SpType | F5+... | R SpType | Coord arcsec 2000 | 182743.94+191743.8 |
HIP | 90479 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.8333938493 | DErad | 0.3367698977 | Plx | 6.2 | PmRA | 24.02 | ||||
PmDE | 20.78 | E RArad | 0.96 | E DErad | 0.92 | E Plx | 1.36 | ||||
E pmRA | 1.06 | E pmDE | 1.47 | Hpmag | 7.6355 | E Hpmag | 0.0019 | ||||
SHp | 0.016 | VA | 0 | BV | 0.548 | E BV | 0.015 | ||||
VI | 0.62 |
Coord arcsec 2000 | 182743.88+191738.6 | Coord calc | 182743.88+191738.6 | Mag | 8.23 | Spectral class | F5 (yellow-white) | ||||
PmRA | 24.00 | PmDE | 22.0 | Tycho2 | 1577-01492-1 | Calc delta mag | 0.18 |
Tycho2 | 1577-01492-1 | Pflag | RAmdeg | 276.93312740 | DEmdeg | 19.29554276 | |||||
PmRA | 23.1 | PmDE | 19.0 | E RAmdeg | 7 | E DEmdeg | 7 | ||||
E pmRA | 1.4 | E pmDE | 1.3 | EpRAm | 1991.43 | EpDEm | 1991.44 | ||||
Num | 5 | Q RAmdeg | 0.7 | Q DEmdeg | 0.9 | Q pmRA | 0.7 | ||||
Q pmDE | 0.8 | BTmag | 8.806 | E BTmag | 0.019 | VTmag | 8.232 | ||||
E VTmag | 0.014 | Prox | 54 | TYC | T | HIP | 90479 | ||||
CCDM | A | RAdeg | 276.93307111 | DEdeg | 19.29549917 | EpRA 1990 | 1.71 | ||||
EpDE 1990 | 1.76 | E RAdeg | 7.4 | E DEdeg | 7.1 | Posflg | D | ||||
Corr | 0.0 |
Coord arcsec 2000 | 182741.07+191742.7 | Mag | 10.74 | PmRA | -6.00 | PmDE | -14.0 | ||||
Tycho2 | 1577-01878-1 | Calc delta mag | 2.33 | Calc coord | yes |
Tycho2 | 1577-01878-1 | Pflag | RAmdeg | 276.92063240 | DEmdeg | 19.29543969 | |||||
PmRA | -6.2 | PmDE | -14.4 | E RAmdeg | 52 | E DEmdeg | 45 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1978.58 | EpDEm | 1982.16 | ||||
Num | 3 | Q RAmdeg | 0.0 | Q DEmdeg | 1.0 | Q pmRA | 0.1 | ||||
Q pmDE | 1.0 | BTmag | 11.708 | E BTmag | 0.094 | VTmag | 10.737 | ||||
E VTmag | 0.069 | Prox | 416 | TYC | T | HIP | |||||
CCDM | RAdeg | 276.92064778 | DEdeg | 19.29547250 | EpRA 1990 | 1.65 | |||||
EpDE 1990 | 1.78 | E RAdeg | 55.5 | E DEdeg | 47.0 | Posflg | |||||
Corr | -0.1 |
Coord arcsec 2000 | 182753.79+191836.2 | Mag | 9.17 | PmRA | 36.00 | PmDE | -86.0 | ||||
SAO | 103744 | Tycho2 | 1577-01360-1 | HD | 348701 | DM | BD+19 3653 | ||||
Calc delta mag | 0.76 | Calc coord | yes |
Tycho2 | 1577-01360-1 | Pflag | RAmdeg | 276.97654735 | DEmdeg | 19.31037399 | |||||
PmRA | 36.4 | PmDE | -85.8 | E RAmdeg | 11 | E DEmdeg | 12 | ||||
E pmRA | 1.0 | E pmDE | 1.0 | EpRAm | 1990.09 | EpDEm | 1989.69 | ||||
Num | 10 | Q RAmdeg | 0.7 | Q DEmdeg | 0.7 | Q pmRA | 0.8 | ||||
Q pmDE | 0.7 | BTmag | 9.793 | E BTmag | 0.023 | VTmag | 9.167 | ||||
E VTmag | 0.018 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 276.97645944 | DEdeg | 19.31057139 | EpRA 1990 | 1.73 | |||||
EpDE 1990 | 1.71 | E RAdeg | 11.0 | E DEdeg | 11.8 | Posflg | |||||
Corr | 0.1 |
SAO | 103744 | DelFlag | RA1950 | PmRA1950 | 0.0014 | ||||||
DE1950 | PmDE1950 | -0.105 | Vmag | 8.8 | SpType | G0 | |||||
Double code | Source | 28 | CatNum | 6816 | DM | BD+19 3653 | |||||
DMcomp | BDsup | HD | 348701 | M HD | 0 | ||||||
GC | RA1950rad | 4.82464833 | DE1950rad | 0.3364806 | PmRA2000 | 0.0015 | |||||
PmDE2000 | -0.105 |