03463-6630 HDS 477

 
 
03h 46m 15.64s -66 30' 14.5" P.A. 322 sep 0.1 mag 8.40,8.62 Sp F0IV/V dist. 217.39 pc (709.13 l.y.)
 
 
Coord 2000
03463-6630
Discov num
HDS 477
Comp
Coord arcsec 2000
03 46 15.64 -66 30 14.5
Date first
1991
Date last
2015
Obs
5
Pa first
18
Pa last
322
P.A. Now (θ)
322°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
8.40
Mag sec
8.62
delta mag (ΔM)
0.22
Spectral class
F0IV/V (yellow-white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Reticulum
SAO
248886
HIP
17604
Tycho2
8873-00998-1
HD
24136
CP
CP-66 215
Distance
217.39
Distance ly
709.13
last precise pa
322.2
last precise sep
0.088
 
 
ORBITAL ELEMENTS
 
 
Period (P)59.5y Periastron (T)2012.96y Semi-major axis (a)0.159a
Eccentricity (e)0.867 Inclination (i)38.5° Longitude of periastron (ω)67.7°
Node (Ω)127.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2017
label rho theta
2000 0.180 30.6
2001 0.173 32.5
2002 0.165 34.6
2003 0.157 36.8
2004 0.148 39.4
2005 0.139 42.3
2006 0.128 45.7
2007 0.117 49.6
2008 0.105 54.5
2009 0.092 60.6
2010 0.077 69.0
2011 0.061 81.5
2012 0.041 105.1
2013 0.017 197.6
2014 0.045 296.0
2015 0.072 314.3
2016 0.093 323.1
2017 0.111 328.9
2018 0.126 333.2
2019 0.139 336.6
2020 0.151 339.4
2021 0.162 341.8
2022 0.172 344.0
2023 0.180 345.9
2024 0.188 347.6
2025 0.196 349.2
2026 0.202 350.8
2027 0.208 352.2
2028 0.214 353.5
2029 0.218 354.8
2030 0.223 356.0

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

grafico orbita





grafico misure orbit6
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
03463-6630 HDS 477 1991 1 18 0.2 8.40 8.62 F0IV/V 034615.64-663014.5
03463-6630 HDS 477 2014 3 312 0.1 8.40 8.62 F0IV/V 034615.64-663014.5
03463-6630 HDS 477 2015 5 322 0.1 8.40 8.62 F0IV/V 034615.64-663014.5

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