01259-4754 RST  33

 
 
01H 25M 56.10S -47 53' 55.9" P.A. 298.1 SEP 1.12 MAG 8.13,9.77 SP K0V DIST. 37.68 PC (122.91 L.Y.)
 
 
Coord 2000
01259-4754
Discov num
RST  33
Comp
Coord arcsec 2000
01 25 56.10 -47 53 55.9
Date first
1928
Date last
2010
Obs
39
Pa first
227
Pa last
297
P.A. Now (θ)
298.1°
Sep first
0.5
Sep last
1.1
Sep. Now (ρ)
1.12"
Mag pri
8.13
Mag sec
9.77
delta mag (ΔM)
1.64
Spectral class
K0V (yellow-orange)
Pri motion ra
-019
Sec motion ra
-019
Pri motion dec
-130
Sec motion dec
-130
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
215503
HIP
6693
Tycho2
8036-00856-1
HD
8821
CD
CD-48 367
CP
CP-48 165
Distance
37.68
Distance ly
122.91
last precise pa
297
last precise sep
1.093
 
 
ORBITAL ELEMENTS
 
 
Period (P)215.5y Periastron (T)1951.21y Semi-major axis (a)1.154a
Eccentricity (e)0.901 Inclination (i)112.5° Longitude of periastron (ω)71.8°
Node (Ω)154.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 1.080 303.2
2001 1.084 302.9
2002 1.088 302.6
2003 1.092 302.3
2004 1.095 301.9
2005 1.099 301.6
2006 1.102 301.3
2007 1.105 301.0
2008 1.108 300.7
2009 1.110 300.4
2010 1.113 300.1
2011 1.115 299.8
2012 1.117 299.5
2013 1.119 299.2
2014 1.120 298.9
2015 1.122 298.7
2016 1.123 298.4
2017 1.124 298.1
2018 1.125 297.8
2019 1.126 297.5
2020 1.127 297.2
2021 1.127 296.9
2022 1.127 296.6
2023 1.128 296.3
2024 1.128 296.0
2025 1.128 295.7
2026 1.127 295.4
2027 1.127 295.2
2028 1.126 294.9
2029 1.126 294.6
2030 1.125 294.3

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