00533-4530 B   644

 
 
00H 53M 20.22S -45 30' 20.7" P.A. 350.3 SEP 0.34 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
2010
Obs
21
Pa first
256
Pa last
349
P.A. Now (θ)
350.3°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.34"
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
 
 
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
349.2
last precise sep
0.281
 
 
ORBITAL ELEMENTS
 
 
Period (P)375y Periastron (T)2280y Semi-major axis (a)0.62a
Eccentricity (e)0.855 Inclination (i)72.7° Longitude of periastron (ω)111.3°
Node (Ω)51° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000 0.300 341.0
2001 0.303 341.6
2002 0.305 342.2
2003 0.308 342.8
2004 0.310 343.4
2005 0.313 344.0
2006 0.316 344.6
2007 0.318 345.1
2008 0.321 345.7
2009 0.323 346.2
2010 0.326 346.8
2011 0.328 347.3
2012 0.331 347.8
2013 0.334 348.4
2014 0.336 348.9
2015 0.339 349.4
2016 0.341 349.9
2017 0.344 350.3
2018 0.347 350.8
2019 0.349 351.3
2020 0.352 351.8
2021 0.355 352.2
2022 0.357 352.7
2023 0.360 353.1
2024 0.362 353.5
2025 0.365 354.0
2026 0.368 354.4
2027 0.370 354.8
2028 0.373 355.2
2029 0.376 355.6
2030 0.378 356.0

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