00519-4343 I    47

 
 
00H 51M 52.18S -43 42' 32.3" P.A. 30.2 SEP 0.61 MAG 7.45,7.95 SP F2V+F5V DIST. 95.6 PC (311.85 L.Y.)
 
 
Coord 2000
00519-4343
Discov num
I    47
Comp
Coord arcsec 2000
00 51 52.18 -43 42 32.3
Date first
1895
Date last
2010
Obs
41
Pa first
0
Pa last
32
P.A. Now (θ)
30.2°
Sep first
1.0
Sep last
0.8
Sep. Now (ρ)
0.61"
Mag pri
7.45
Mag sec
7.95
delta mag (ΔM)
0.5
Spectral class
F2V+F5V (yellow-white/yellow-white)
Pri motion ra
+031
Sec motion ra
+031
Pri motion dec
+002
Sec motion dec
+002
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
215270
HIP
4049
Tycho2
7538-00690-1
HD
5042
HR
245
CD
CD-44 226
CP
CP-44 107
Distance
95.6
Distance ly
311.85
last precise pa
32.1
last precise sep
0.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)516.5y± 43.1 Periastron (T)1850.7y± 42.6 Semi-major axis (a)1.228a± 0.154
Eccentricity (e)0.112± 0.026 Inclination (i)77°± 2.6 Longitude of periastron (ω)298.2°± 5.6
Node (Ω)4.5°± 1.8 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.781 21.8
2001 0.772 22.2
2002 0.762 22.6
2003 0.752 23.0
2004 0.742 23.5
2005 0.732 23.9
2006 0.723 24.3
2007 0.713 24.8
2008 0.703 25.3
2009 0.693 25.7
2010 0.682 26.2
2011 0.672 26.7
2012 0.662 27.3
2013 0.652 27.8
2014 0.642 28.4
2015 0.632 29.0
2016 0.621 29.6
2017 0.611 30.2
2018 0.601 30.8
2019 0.591 31.5
2020 0.580 32.2
2021 0.570 32.9
2022 0.560 33.6
2023 0.550 34.4
2024 0.540 35.2
2025 0.530 36.0
2026 0.520 36.8
2027 0.510 37.7
2028 0.500 38.6
2029 0.490 39.6
2030 0.480 40.6

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