13194-3957 RST1712

 
 
13H 19M 24.29S -39 57' 01.2" P.A. 299.8 SEP 0.52 MAG 10.86,11.42 DIST. 62.58 PC (204.14 L.Y.)
 
 
Coord 2000
13194-3957
Discov num
RST1712
Comp
Coord arcsec 2000
13 19 24.29 -39 57 01.2
Date first
1935
Date last
1991
Obs
8
Pa first
63
Pa last
355
P.A. Now (θ)
299.8°
Sep first
0.8
Sep last
0.5
Sep. Now (ρ)
0.52"
Mag pri
10.86
Mag sec
11.42
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+060
Sec motion ra
Pri motion dec
-121
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Centaurus
HIP
64999
Tycho2
7778-00426-1
CD
CD-39 8179
Distance
62.58
Distance ly
204.14
last precise pa
355
last precise sep
0.507
 
 
ORBITAL ELEMENTS
 
 
Period (P)425y Periastron (T)1987y Semi-major axis (a)0.92a
Eccentricity (e)0.304 Inclination (i)136.6° Longitude of periastron (ω)55.5°
Node (Ω)49.1° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000 0.484 336.8
2001 0.482 334.7
2002 0.482 332.6
2003 0.481 330.4
2004 0.481 328.3
2005 0.481 326.1
2006 0.482 324.0
2007 0.483 321.9
2008 0.485 319.7
2009 0.486 317.6
2010 0.489 315.6
2011 0.491 313.5
2012 0.494 311.4
2013 0.498 309.4
2014 0.501 307.4
2015 0.505 305.5
2016 0.510 303.5
2017 0.514 301.6
2018 0.519 299.8
2019 0.524 298.0
2020 0.530 296.2
2021 0.535 294.4
2022 0.541 292.7
2023 0.547 291.0
2024 0.554 289.4
2025 0.560 287.8
2026 0.567 286.2
2027 0.574 284.7
2028 0.581 283.2
2029 0.588 281.8
2030 0.595 280.3

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