Coord 2000 | 17173+3306 | Discov num | STT 328 | Comp | Coord arcsec 2000 | 17 17 19.57 +33 06 00.4 | |||||
Date first | 1843 | Date last | 2017 | Obs | 34 | ||||||
Pa first | 57 | Pa last | 56.1 | P.A. Now (θ) | 56.1° | ||||||
Sep first | 4.0 | Sep last | 4.47 | Sep. Now (ρ) | 4.47" | ||||||
Mag pri | 4.70 | Mag sec | 10.30 | delta mag (ΔM) | 5.6 | Spectral class | B1.5Vp (blue-white) | ||||
Pri motion ra | +000 | Sec motion ra | |||||||||
Pri motion dec | -004 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Name | 68 Her | Var name | u Her | Constellation | Hercules | SAO | 65913 | ||||
HIP | 84573 | Tycho2 | 2596-01318-1 | Gaia DR2 | 1334035606852115840 | HD | 156633 | ||||
HR | 6431 | GC | 23359 | ADS | 10449 | BD | BD+33 2864 | ||||
Flamsteed | 68 Herculis | Flamsteed name | 68 Her | Distance | 204.08 | Distance ly | 665.71 |
discov_num | notes | refcode |
STT 328 | 68 Her. A is the Beta Lyrae-type system u Her. | |
Composite spectrum, B1.5Vp+B5III. |
refcode | metd | author | reference |
STTA | (O. Struve DD - Appendix list) | ................... | |
Stt1864 | Ma - | Struve, O. | 1864MNRAS..24..149S |
Stt1864 | MNRAS 24, 149, 1864 | ||
Stt1866 | orb - | Struve, O. | . |
Stt1866 | Bull. Imp. Acad. Sci. St. Petersburg, 1866 | ||
Stt1874 | orb - | Struve, O. | . |
Stt1874 | Compte Rendus 79, 1467, 1874 | ||
Stt1875 | orb - | Struve, O. | 1875MNRAS..35..367S |
Stt1875 | MNRAS 35, 367, 1875 | ||
Stt1878 | Ma - | Struve, O. | 1878ObPul...9....1S |
Stt1878 | Pulkova Observations 9, 1, 1878 | ||
Stt1879A | Ma - | Struve, O. | 1879Obs.....2..304G |
Stt1879A | cited by Gledhill (Obs 2, 304, 1879) | ||
Stt1879B | Ma - | Struve, O. | 1879Obs.....3..245G |
Stt1879B | cited by Gledhill (Obs 3, 245, 1879) | ||
Stt1879C | Ma - | Struve, O. | 1879Obs.....2..344G |
Stt1879C | cited by Gledhill (Obs 2, 344, 1879) | ||
Stt1880A | Ma - | Struve, O. | 1880Obs.....2..605H |
Stt1880A | cited by Hunt (Obs. 3, 605, 1880) | ||
Stt1880B | Ma - | Struve, O. | 1880Obs.....3..535G |
Stt1880B | cited by Gledhill (Obs 3, 535, 1880) | ||
Stt1880C | Ma - | Struve, O. | 1880MNRAS..40..497B |
Stt1880C | cited by Burnham (MNRAS 40, 497, 1880) | ||
Stt1884A | Ma - | Struve, O. | 1884AReg...22..216S |
Stt1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Stt1893a | Ma j | Struve, O. | 1893ObPul..10....1S |
Stt1893a | Pulkova Obs. Observations 10, 1, 1893 | ||
Stt1906A | Ma - | Struve, O. | 1906MmRAS..56....1L |
Stt1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Stt1906B | Ma j | Struve, O. | 1906QB821.B972..... |
Stt1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
Stt1908A | Ma - | Struve, O. | 1908MNRAS..68..465B |
Stt1908A | cited by Barnard (MNRAS 68, 465, 1908) | ||
Stt1913A | Ma - | Struve, O. | 1913QB811.B8....... |
Stt1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Stt1914A | Ma - | Struve, O. | 1914AN....198..107R |
Stt1914A | cited by Rabe (AN 198, 107, 1914) | ||
Stt1932A | Ma - | Struve, O. | 1932QB821.A43...... |
Stt1932A | cited in ADS (Aitken Double Star Cat., 1932) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
17173+3306 | STT 328 | 2001 | 28 | 59 | 4.2 | 4.80 | 10.20 | B1.5Vp | N D | 171719.57+330600.4 | |
17173+3306 | STT 328 | 2015 | 32 | 59 | 4.5 | 4.70 | 10.30 | B1.5Vp | N | 171719.57+330600.4 | |
17173+3306 | STT 328 | 2017 | 33 | 56 | 4.5 | 4.70 | 10.30 | B1.5Vp | N | 171719.57+330600.4 |
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=51.3° sep=3.98" |
Componente originario normalizzato | AB | Name | 68 Her | Var name | u Her | Coord arcsec 2000 | 171719.57+330600.4 | ||||
Mag | 4.7 | Spectral class | B1.5Vp (blue-white) | PmRA | 0.00 | PmDE | -4.0 | ||||
SAO | 65913 | HIP | 84573 | Tycho2 | 2596-01318-1 | HD | 156633 | ||||
HR | 6431 | GC | 23359 | BD | BD+33 2864 | Flamsteed | 68 Herculis | ||||
Flamsteed name | 68 Her |
Tycho2 | 2596-01318-1 | Pflag | RAmdeg | 259.33152881 | DEmdeg | 33.10010172 | |||||
PmRA | -5.0 | PmDE | -5.2 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1991.28 | EpDEm | 1991.45 | ||||
Num | 19 | Q RAmdeg | 0.7 | Q DEmdeg | 0.7 | Q pmRA | 0.7 | ||||
Q pmDE | 0.9 | BTmag | 4.627 | E BTmag | 0.014 | VTmag | 4.823 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 84573 | ||||
CCDM | RAdeg | 259.33154278 | DEdeg | 33.10011389 | EpRA 1990 | 1.56 | |||||
EpDE 1990 | 1.71 | E RAdeg | 3.3 | E DEdeg | 3.2 | Posflg | |||||
Corr | -0.1 |
SAO | 65913 | DelFlag | RA1950 | PmRA1950 | -0.0009 | ||||||
DE1950 | PmDE1950 | -0.005 | Vmag | 4.6 | SpType | B3 | |||||
Double code | Source | 70 | CatNum | 23359 | DM | BD+33 2864 | |||||
DMcomp | BDsup | HD | 156633 | M HD | 0 | ||||||
GC | 23359 | RA1950rad | 4.5181192 | DE1950rad | 0.57862543 | PmRA2000 | -0.0006 | ||||
PmDE2000 | -0.003 |
Catalog | H | HIP | 84573 | Proxy | RAhms | 17 17 19.57 | |||||
DEdms | +33 06 00.4 | Vmag | 4.8 | VarFlag | 3 | R Vmag | H | ||||
RAdeg | 259.332 | DEdeg | 33.1001 | AstroRef | Plx | 3.77 | |||||
CCDM | 17173+3306 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 156633 | BD | BD+33 2864 | ||||||
CD | CP | Dm number | +33 2864 | VIred | -0.17 | ||||||
SpType | B1.5Vp | R SpType | Coord arcsec 2000 | 171719.57+330600.4 |
HIP | 84573 | Sn | 1 | So | 0 | Nc | 1 | ||||
RArad | 4.5261892889 | DErad | 0.5777059732 | Plx | 4.9 | PmRA | -4.14 | ||||
PmDE | -5.43 | E RArad | 0.29 | E DErad | 0.33 | E Plx | 0.42 | ||||
E pmRA | 0.35 | E pmDE | 0.45 | Hpmag | 4.7404 | E Hpmag | 0.0069 | ||||
SHp | 0.094 | VA | 1 | BV | -0.166 | E BV | 0.011 | ||||
VI | -0.17 |
Ccdm | 17173+3306 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.63 | DDEs | 0.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | Sp | B3 | PmNote | * | |||||
PmRA | 0 | PmDE | -6 | Dm number | +33 2864 | Cat1 | BD | ||||
Name2 | +33 1520 | Cat2 | AGK2/3 | HD | 156633 | M HD | |||||
ADS BDS | A10449 | M ADS BDS | N IDS | IDS | 17136N3312A | ||||||
HIC | 84573 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 171719.82+330602.9 | Mag | 10.3 | Calc delta mag | 5.6 | ||||
Calc coord | yes |
Ccdm | 17173+3306 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 328 | DRAs | DDEs | |||||||
R dRAs | Year | 1847 | Theta | 060 | Rho | 4.4 | |||||
Obs | 14 | Vmag | 10.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10449 | M ADS BDS | N | N IDS | IDS | 17136N3312B | |||||
HIC | 84573 |