Coord 2000 | 17592+6409 | Discov num | STF2273 | Comp | AD | Coord arcsec 2000 | 17 59 13.71 +64 08 33.1 | ||||
Date first | 1921 | Date last | 2015 | Obs | 7 | ||||||
Pa first | 341 | Pa last | 336.2 | P.A. Now (θ) | 336.2° | ||||||
Sep first | 18.9 | Sep last | 14.841 | Sep. Now (ρ) | 14.841" | ||||||
Mag pri | 7.31 | Mag sec | 14.70 | delta mag (ΔM) | 7.39 | Spectral class | F4V (yellow-white) | ||||
Pri motion ra | +017 | Sec motion ra | |||||||||
Pri motion dec | +015 | Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 164984 | 17717 | 17 59 14 +64 08 33 | STF 2273 AB | 2019 | 65 | 282 | 21.4 | 7.31 | 7.63 | 0.32 | ||
Show | 17717 | 17 59 14 +64 08 33 | STF 2273 AC | 2015 | 8 | 277 | 43.5 | 7.31 | 12.70 | 5.39 | |||
Show | 17717 | 17 59 14 +64 08 33 | STF 2273 AD | 2015 | 7 | 336 | 14.8 | 7.31 | 14.70 | 7.39 | <=== | ||
Show | 17 59 11 +64 08 38 | STF 2273 BC | 2015 | 11 | 271 | 22.4 | 7.63 | 12.70 | 5.07 |
Constellation | Draco | SAO | 17717 | HIP | 88071 | Tycho2 | 4208-01817-1 | ||||
Gaia DR2 | 1439931598946548736 | HD | 164984 | BD | BD+64 1237 | Distance | 73.1 | ||||
Distance ly | 238.45 |
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 |
17592+6409 | STF2273 | AD | 1921 | 1 | 341 | 18.9 | 7.31 | 14.70 | F4V | 175913.71+640833.1 | |
17592+6409 | STF2273 | AD | 2004 | 2 | 337 | 15.0 | 7.31 | 14.70 | F4V | 175913.71+640833.1 | |
17592+6409 | STF2273 | AD | 2015 | 7 | 336 | 14.8 | 7.31 | 14.70 | F4V | 175913.71+640833.1 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | C | |
B | pa=283.3° sep=21.25" | ||
C | pa=285.3° sep=19.54" | pa=82.1° sep=1.84" | |
D | pa=349.1° sep=13.83" | pa=64.3° sep=20.04" | pa=62.6° sep=18.29" |
Name | HD 164984 | Coord arcsec 2000 | 175913.71+640833.1 | Mag | 7.31 | Spectral class | F4V (yellow-white) | ||||
PmRA | 17.00 | PmDE | 15.0 | SAO | 17717 | HIP | 88071 | ||||
Tycho2 | 4208-01817-1 | HD | 164984 | GC | 24530 | BD | BD+64 1237 |
Tycho2 | 4208-01817-1 | Pflag | RAmdeg | 269.80722940 | DEmdeg | 64.14257337 | |||||
PmRA | 17.1 | PmDE | 15.3 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 1.6 | E pmDE | 1.6 | EpRAm | 1991.66 | EpDEm | 1991.55 | ||||
Num | 8 | Q RAmdeg | 0.6 | Q DEmdeg | 0.8 | Q pmRA | 0.6 | ||||
Q pmDE | 0.8 | BTmag | 7.757 | E BTmag | 0.016 | VTmag | 7.314 | ||||
E VTmag | 0.011 | Prox | 213 | TYC | T | HIP | 88071 | ||||
CCDM | A | RAdeg | 269.80714000 | DEdeg | 64.14253833 | EpRA 1990 | 1.81 | ||||
EpDE 1990 | 1.70 | E RAdeg | 4.7 | E DEdeg | 4.8 | Posflg | |||||
Corr | 0.1 |
SAO | 17717 | DelFlag | RA1950 | PmRA1950 | 0.0024 | ||||||
DE1950 | PmDE1950 | 0.01 | Vmag | 7.5 | SpType | F2 | |||||
Double code | Source | 70 | CatNum | 24530 | DM | BD+64 1237 | |||||
DMcomp | BDsup | HD | 164984 | M HD | 0 | ||||||
GC | 24530 | RA1950rad | 4.707857 | DE1950rad | 1.11951241 | PmRA2000 | 0.0034 | ||||
PmDE2000 | 0.01 |
Catalog | H | HIP | 88071 | Proxy | RAhms | 17 59 13.71 | |||||
DEdms | +64 08 33.1 | Vmag | 7.31 | VarFlag | R Vmag | G | |||||
RAdeg | 269.807 | DEdeg | 64.1425 | AstroRef | A | Plx | 13.71 | ||||
CCDM | 17592+6409 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | P | Qual | A | M HIP | |||||
Theta | Rho | HD | 164984 | BD | BD+64 1237 | ||||||
CD | CP | Dm number | +64 1237 | VIred | 0.5 | ||||||
SpType | F2 | R SpType | Coord arcsec 2000 | 175913.71+640833.1 |
HIP | 88071 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.7090227545 | DErad | 1.1194985174 | Plx | 13.68 | PmRA | 16.08 | ||||
PmDE | 10.22 | E RArad | 2.27 | E DErad | 2.13 | E Plx | 2.37 | ||||
E pmRA | 2.85 | E pmDE | 2.66 | Hpmag | 7.435 | E Hpmag | 0.0567 | ||||
SHp | 0.133 | VA | 0 | BV | 0.435 | E BV | 0.007 | ||||
VI | 0.5 |
Ccdm | 17592+6409 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.62 | DDEs | -27.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 7.5 | Sp | F2 | PmNote | * | ||||
PmRA | 0 | PmDE | 3 | Dm number | +64 1237 | Cat1 | BD | ||||
Name2 | +64 846 | Cat2 | AGK2/3 | HD | 164984 | M HD | |||||
ADS BDS | A10985 | M ADS BDS | N IDS | IDS | 17587N6409A | ||||||
HIC | 88071 |
Coord arcsec 2000 | 175910.55+640838.0 | Coord calc | 175910.55+640838.0 | Mag | 7.63 | Spectral class | F2 (yellow-white) | ||||
PmRA | 8.00 | PmDE | 31.0 | HIP | 88062 | Tycho2 | 4208-01816-1 | ||||
HD | 164983 | Calc delta mag | 0.32 |
Tycho2 | 4208-01816-1 | Pflag | RAmdeg | 269.79396801 | DEmdeg | 64.14391077 | |||||
PmRA | 9.5 | PmDE | 11.8 | E RAmdeg | 5 | E DEmdeg | 5 | ||||
E pmRA | 2.5 | E pmDE | 2.6 | EpRAm | 1991.78 | EpDEm | 1991.70 | ||||
Num | 3 | Q RAmdeg | 0.8 | Q DEmdeg | 1.8 | Q pmRA | 0.8 | ||||
Q pmDE | 1.8 | BTmag | 8.110 | E BTmag | 0.016 | VTmag | 7.635 | ||||
E VTmag | 0.011 | Prox | 213 | TYC | T | HIP | 88062 | ||||
CCDM | B | RAdeg | 269.79391889 | DEdeg | 64.14388361 | EpRA 1990 | 1.82 | ||||
EpDE 1990 | 1.74 | E RAdeg | 5.3 | E DEdeg | 5.4 | Posflg | |||||
Corr | 0.1 |
Catalog | H | HIP | 88062 | Proxy | RAhms | 17 59 10.54 | |||||
DEdms | +64 08 37.9 | Vmag | 7.68 | VarFlag | R Vmag | H | |||||
RAdeg | 269.794 | DEdeg | 64.1439 | AstroRef | B | Plx | 15.92 | ||||
CCDM | 17592+6409 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | C | Source | I | Qual | A | M HIP | |||||
Theta | Rho | HD | 164983 | BD | |||||||
CD | CP | Dm number | VIred | 0.53 | |||||||
SpType | F2 | R SpType | Coord arcsec 2000 | 175910.54+640837.9 |
HIP | 88062 | Sn | 95 | So | 3 | Nc | 1 | ||||
RArad | 4.7087920047 | DErad | 1.1195218966 | Plx | 22.67 | PmRA | 10.74 | ||||
PmDE | 7.62 | E RArad | 2.68 | E DErad | 2.55 | E Plx | 2.85 | ||||
E pmRA | 3.23 | E pmDE | 3.12 | Hpmag | 7.7254 | E Hpmag | 0.0685 | ||||
SHp | 0 | VA | 0 | BV | 0.456 | E BV | 0.01 | ||||
VI | 0.53 |
Ccdm | 17592+6409 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2273 | DRAs | -1.49 | DDEs | -22.6 | |||||
R dRAs | 10 | Year | 1832 | Theta | 284 | Rho | 21.1 | ||||
Obs | 19 | Vmag | 7.8 | Sp | F2 | PmNote | * | ||||
PmRA | 3 | PmDE | 5 | Dm number | Cat1 | ||||||
Name2 | +64 845 | Cat2 | AGK2/3 | HD | 164983 | M HD | |||||
ADS BDS | A10985 | M ADS BDS | N IDS | IDS | 17587N6409B | ||||||
HIC | 88062 |
Coord arcsec 2000 | 175910.83+640838.3 | Mag | 12.7 | PmRA | 24.00 | PmDE | 42.0 | ||||
Calc delta mag | 5.39 | Calc coord | yes |
Ccdm | 17592+6409 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF2273 | DRAs | DDEs | |||||||
R dRAs | Year | 1905 | Theta | 266 | Rho | 23.7 | |||||
Obs | 2 | Vmag | 12.7 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10985 | M ADS BDS | N IDS | IDS | 17587N6409C | ||||||
HIC | 88062 |
Coord arcsec 2000 | 175913.31+640846.7 | Mag | 14.7 | Calc delta mag | 7.39 | Calc coord | yes |