Coord 2000 | 18065+4022 | Discov num | STF2282 | Comp | BC | Coord arcsec 2000 | 18 06 30.47 +40 21 39.6 | ||||
Date first | 2008 | Date last | 2008 | Obs | 1 | ||||||
Pa first | 48 | Pa last | 47.6 | P.A. Now (θ) | 47.6° | ||||||
Sep first | 0.2 | Sep last | 0.183 | Sep. Now (ρ) | 0.183" | ||||||
Mag pri | 9.43 | Mag sec | 9.43 | delta mag (ΔM) | 0 | Spectral class | A0 (white) | ||||
Pri motion ra | -007 | Sec motion ra | |||||||||
Pri motion dec | -007 | Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 165941 | 47220 | 18 06 30 +40 21 40 | STF 2282 AB | 2017 | 75 | 83 | 2.7 | 7.93 | 9.43 | 1.50 | ||
Show | 47220 | 18 06 30 +40 21 40 | STF 2282 AC | 2008 | 2 | 80 | 2.7 | 7.93 | 9.43 | 1.50 | |||
Show | 18 06 30 +40 21 40 | STF 2282 BC | 2008 | 1 | 48 | 0.2 | 9.43 | 9.43 | 0.00 | <=== |
Constellation | Hercules | Tycho2 | 3106-00046-2 | Gaia DR2 | 2112565323371434624 |
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 |
18065+4022 | STF2282 | BC | 2008 | 1 | 48 | 0.2 | 8.68 | 180630.47+402139.6 |
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 | |
B | pa=0.0° sep=0.00" | |
C | pa=77.0° sep=2.11" | pa=77.0° sep=2.11" |
Name | HD 165941 | Coord arcsec 2000 | 180630.47+402139.6 | Mag | 7.93 | Spectral class | A1V (white) | ||||
PmRA | -3.00 | PmDE | -7.0 | SAO | 47220 | HIP | 88703 | ||||
Tycho2 | 3106-00046-1 | HD | 165941 | GC | 24691 | BD | BD+40 3286 |
Tycho2 | 3106-00046-1 | Pflag | P | RAmdeg | 271.62695400 | DEmdeg | 40.36099466 | ||||
PmRA | -6.6 | PmDE | -7.3 | E RAmdeg | 7 | E DEmdeg | 7 | ||||
E pmRA | 1.8 | E pmDE | 1.6 | EpRAm | 1991.48 | EpDEm | 1991.43 | ||||
Num | 3 | Q RAmdeg | 1.6 | Q DEmdeg | 1.0 | Q pmRA | 1.5 | ||||
Q pmDE | 1.1 | BTmag | 8.012 | E BTmag | 0.016 | VTmag | 7.926 | ||||
E VTmag | 0.012 | Prox | 26 | TYC | T | HIP | 88703 | ||||
CCDM | A | RAdeg | 271.62672361 | DEdeg | 40.36098722 | EpRA 1990 | 1.63 | ||||
EpDE 1990 | 1.62 | E RAdeg | 5.0 | E DEdeg | 5.1 | Posflg | D | ||||
Corr | 0.0 |
SAO | 47220 | DelFlag | RA1950 | PmRA1950 | -0.0006 | ||||||
DE1950 | PmDE1950 | 0.01 | Vmag | 7.4 | SpType | A0 | |||||
Double code | Source | 70 | CatNum | 24691 | DM | BD+40 3286 | |||||
DMcomp | BDsup | HD | 165941 | M HD | 0 | ||||||
GC | 24691 | RA1950rad | 4.73373143 | DE1950rad | 0.70431444 | PmRA2000 | -0.0002 | ||||
PmDE2000 | 0.01 |
Catalog | H | HIP | 88703 | Proxy | H | RAhms | 18 06 30.41 | ||||
DEdms | +40 21 39.6 | Vmag | 7.44 | VarFlag | R Vmag | H | |||||
RAdeg | 271.627 | DEdeg | 40.361 | AstroRef | A | Plx | 4.03 | ||||
CCDM | 18065+4022 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 83 | Rho | 2.643 | HD | 165941 | BD | BD+40 3286 | ||||
CD | CP | Dm number | +40 3286 | VIred | 0.06 | ||||||
SpType | A0 | R SpType | Coord arcsec 2000 | 180630.41+402139.6 |
HIP | 88703 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.7407806165 | DErad | 0.7044321511 | Plx | 1.95 | PmRA | -0.91 | ||||
PmDE | -6.84 | E RArad | 0.82 | E DErad | 0.96 | E Plx | 1.05 | ||||
E pmRA | 0.95 | E pmDE | 1.14 | Hpmag | 7.4811 | E Hpmag | 0.001 | ||||
SHp | 0.01 | VA | 0 | BV | 0.093 | E BV | 0.01 | ||||
VI | 0.11 |
Ccdm | 18065+4022 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.50 | DDEs | -19.2 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 7.4 | Sp | A0 | PmNote | * | ||||
PmRA | -7 | PmDE | 11 | Dm number | +40 3286 | Cat1 | BD | ||||
Name2 | 47220 | Cat2 | SAO | HD | 165941 | M HD | |||||
ADS BDS | A11074 | M ADS BDS | N IDS | IDS | 18033N4021A | ||||||
HIC | 88703 |
Coord arcsec 2000 | 180630.47+402139.6 | Coord calc | 180630.47+402139.6 | Mag | 9.43 | Spectral class | A0 (white) | ||||
PmRA | -7.00 | PmDE | -7.0 | Tycho2 | 3106-00046-2 | Calc delta mag | 1.5 |
Tycho2 | 3106-00046-2 | Pflag | P | RAmdeg | 271.62695400 | DEmdeg | 40.36099466 | ||||
PmRA | -6.6 | PmDE | -7.3 | E RAmdeg | 7 | E DEmdeg | 7 | ||||
E pmRA | 1.8 | E pmDE | 1.6 | EpRAm | 1991.48 | EpDEm | 1991.43 | ||||
Num | 3 | Q RAmdeg | 1.6 | Q DEmdeg | 1.0 | Q pmRA | 1.5 | ||||
Q pmDE | 1.1 | BTmag | 8.712 | E BTmag | 0.017 | VTmag | 8.682 | ||||
E VTmag | 0.015 | Prox | 26 | TYC | T | HIP | 88703 | ||||
CCDM | B | RAdeg | 271.62767444 | DEdeg | 40.36107972 | EpRA 1990 | 1.64 | ||||
EpDE 1990 | 1.62 | E RAdeg | 6.8 | E DEdeg | 7.4 | Posflg | D | ||||
Corr | 0.0 |
Ccdm | 18065+4022 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2282 | DRAs | DDEs | |||||||
R dRAs | Year | 1960 | Theta | 086 | Rho | 2.5 | |||||
Obs | 26 | Vmag | 8.4 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A11074 | M ADS BDS | N IDS | IDS | 18033N4021B | ||||||
HIC | 88703 |
Coord arcsec 2000 | 180630.65+402140.1 | Mag | 9.43 | PmRA | -3.00 | PmDE | -7.0 | ||||
Calc delta mag | 1.5 | Calc coord | yes |