12446-5717 FIN  65AB

 
 
12H 44M 34.99S -57 17' 12.8" P.A. 82.8 SEP 0.32 MAG 6.99,8.18 SP A0IV/V DIST. 111.23 PC (362.83 L.Y.)
 
 
Coord 2000
12446-5717
Discov num
FIN  65
Comp
AB
Coord arcsec 2000
12 44 34.99 -57 17 12.8
Date first
1928
Date last
2014
Obs
21
Pa first
237
Pa last
86
P.A. Now (θ)
82.8°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.32"
Mag pri
6.99
Mag sec
8.18
delta mag (ΔM)
1.19
Spectral class
A0IV/V (white)
Pri motion ra
-031
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
12446-5717 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 240203 12446-5717 FIN 65 AB 1928 2014 21 83 0.3 6.99 8.18 1.19 Y <===
Show 240203 12446-5717 KOU 16 AC 1998 2000 3 131 12.2 7.20 14.00 6.80
Show 240203 12446-5717 KOU 16 AD 2000 2000 1 256 4.5 7.20 14.60 7.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Crux
SAO
240203
HIP
62179
Tycho2
8655-04051-1
HD
110698
CP
CP-56 5410
Distance
111.23
Distance ly
362.83
last precise pa
86
last precise sep
0.291
 
 
ORBITAL ELEMENTS
 
 
Period (P)200y± 10 Periastron (T)1952.75y± 0.5 Semi-major axis (a)0.404a± 0.01
Eccentricity (e)0.518± 0.01 Inclination (i)111.3°± 0.5 Longitude of periastron (ω)143.7°± 2
Node (Ω)48.7°± 1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.201 107.5
2001 0.207 105.3
2002 0.213 103.2
2003 0.220 101.3
2004 0.226 99.4
2005 0.233 97.7
2006 0.240 96.1
2007 0.247 94.5
2008 0.254 93.1
2009 0.261 91.7
2010 0.268 90.4
2011 0.275 89.1
2012 0.282 88.0
2013 0.289 86.8
2014 0.296 85.8
2015 0.303 84.8
2016 0.310 83.8
2017 0.317 82.8
2018 0.323 82.0
2019 0.330 81.1
2020 0.337 80.3
2021 0.344 79.5
2022 0.350 78.7
2023 0.357 78.0
2024 0.364 77.3
2025 0.370 76.6
2026 0.376 76.0
2027 0.383 75.3
2028 0.389 74.7
2029 0.395 74.1
2030 0.401 73.6

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