17591+3228 HU 1185

 
 
17h 59m 04.61s +32 28' 26.3" P.A. 147.20 sep 0.4 mag 9.81,10.48 Sp G0 dist. 134.05 pc (437.27 l.y.)
 
 
Coord 2000
17591+3228
Discov num
HU 1185
Comp
Coord arcsec 2000
17 59 04.61 +32 28 26.3
Date first
1905
Date last
2016
Obs
23
Pa first
184
Pa last
146
P.A. Now (θ)
147.2°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.42"
Mag pri
9.81
Mag sec
10.48
delta mag (ΔM)
0.67
Spectral class
G0 (yellow)
Pri motion ra
-005
Sec motion ra
Pri motion dec
+045
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.5
Precise sep
0.394
Constellation
Hercules
SAO
66537
HIP
88057
Tycho2
2612-01725-1
Gaia DR2
4603229610077339520
ADS
10954
BD
BD+32 3024
Distance
134.05
Distance ly
437.27
last precise pa
145.5
last precise sep
0.394
 
 
ORBITAL ELEMENTS
 
 
Period (P)240y Periastron (T)1951.4y Semi-major axis (a)0.383a
Eccentricity (e)0.65 Inclination (i)49.1° Longitude of periastron (ω)324.2°
Node (Ω)14.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.319 130.1
2001 0.324 131.2
2002 0.329 132.2
2003 0.334 133.2
2004 0.339 134.2
2005 0.344 135.1
2006 0.349 136.0
2007 0.354 136.9
2008 0.359 137.8
2009 0.364 138.6
2010 0.369 139.4
2011 0.373 140.2
2012 0.378 141.0
2013 0.383 141.7
2014 0.388 142.5
2015 0.392 143.2
2016 0.397 143.9
2017 0.401 144.6
2018 0.406 145.3
2019 0.410 145.9
2020 0.415 146.6
2021 0.419 147.2
2022 0.423 147.8
2023 0.427 148.4
2024 0.432 149.0
2025 0.436 149.6
2026 0.440 150.2
2027 0.444 150.7
2028 0.448 151.3
2029 0.452 151.8
2030 0.456 152.4


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds17591%2B3228b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17591+3228 HU 1185 1995 15 126 0.2 9.81 10.48 G0 NO 175904.61+322826.3
17591+3228 HU 1185 2007 16 136 0.4 9.81 10.48 G0 NO 175904.61+322826.3
17591+3228 HU 1185 2009 18 139 0.4 9.81 10.48 G0 NO 175904.61+322826.3
17591+3228 HU 1185 2010 21 138 0.4 9.81 10.48 G0 O 175904.61+322826.3

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