00533-4530 B   644

 
 
00h 53m 20.22s -45 30' 20.7" P.A. 358.00 sep 0.3 mag 9.05,9.05 Sp F3III/IV dist. 298.51 pc (973.74 l.y.)
 
 
Coord 2000
00533-4530
Discov num
B   644
Comp
Coord arcsec 2000
00 53 20.22 -45 30 20.7
Date first
1926
Date last
2018
Obs
22
Pa first
256
Pa last
357
P.A. Now (θ)
358°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
9.05
Mag sec
9.05
delta mag (ΔM)
0
Spectral class
F3III/IV (yellow-white)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356.6
Precise sep
0.281
Constellation
Phoenix
SAO
215279
HIP
4177
Tycho2
8031-00956-1
HD
5218
CD
CD-46 241
CP
CP-46 88
Distance
298.51
Distance ly
973.74
last precise pa
356.6
last precise sep
0.281
 
 
ORBITAL ELEMENTS
 
 
Period (P)473.4y Periastron (T)2460.04y Semi-major axis (a)0.366a
Eccentricity (e)0.233 Inclination (i)51.4° Longitude of periastron (ω)343.5°
Node (Ω)341.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.283 341.7
2001 0.283 342.5
2002 0.284 343.3
2003 0.284 344.0
2004 0.284 344.8
2005 0.284 345.6
2006 0.284 346.3
2007 0.284 347.1
2008 0.284 347.9
2009 0.284 348.6
2010 0.283 349.4
2011 0.283 350.2
2012 0.283 351.0
2013 0.283 351.7
2014 0.282 352.5
2015 0.282 353.3
2016 0.281 354.1
2017 0.281 354.8
2018 0.280 355.6
2019 0.279 356.4
2020 0.279 357.2
2021 0.278 358.0
2022 0.277 358.8
2023 0.276 359.6
2024 0.276 0.4
2025 0.275 1.2
2026 0.274 2.1
2027 0.273 2.9
2028 0.272 3.7
2029 0.271 4.6
2030 0.270 5.4


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



 
 


wds00533-4530b.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
00533-4530 B 644 1991 18 336 0.3 9.05 9.05 F3III/IV O 005320.22-453020.7
00533-4530 B 644 2008 20 348 0.3 9.05 9.05 F3III/IV O 005320.22-453020.7
00533-4530 B 644 2010 21 349 0.3 9.05 9.05 F3III/IV O 005320.22-453020.7
00533-4530 B 644 2018 22 357 0.3 9.05 9.05 F3III/IV O 005320.22-453020.7

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