11286-4508 I   885AB

 
 
11H 28M 37.32S -45 08' 27.4" P.A. 138.6 SEP 0.5 MAG 7.98,9.90 SP B0:III DIST. 64.1 PC (209.09 L.Y.)
 
 
Coord 2000
11286-4508
Discov num
I   885
Comp
AB
Coord arcsec 2000
11 28 37.32 -45 08 27.4
Date first
1910
Date last
2016
Obs
19
Pa first
190
Pa last
149
P.A. Now (θ)
138.6°
Sep first
0.8
Sep last
0.6
Sep. Now (ρ)
0.5"
Mag pri
7.98
Mag sec
9.90
delta mag (ΔM)
1.92
Spectral class
B0:III (blue-white)
Pri motion ra
-038
Sec motion ra
-038
Pri motion dec
-021
Sec motion dec
-021
Notes
O (Orbital solution)
This double is physical.
 
 
11286-4508 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 222814 11286-4508 I 885 AB 1910 2016 19 139 0.5 7.98 9.90 1.92 Y <===
Show 222814 11286-4508 TOK 280 AC 1980 1999 2 353 195.5 7.87 18.60 10.73
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.9
Precise sep
0.631
Constellation
Centaurus
SAO
222814
HIP
56004
Tycho2
8214-00439-1
HD
99804
CD
CD-44 7343
CP
CP-44 5559
Distance
64.1
Distance ly
209.09
last precise pa
148.9
last precise sep
0.631
 
 
ORBITAL ELEMENTS
 
 
Period (P)650y Periastron (T)2520y Semi-major axis (a)1.69a
Eccentricity (e)0.589 Inclination (i)100.8° Longitude of periastron (ω)118.5°
Node (Ω)8.4° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.597 152.2
2001 0.591 151.6
2002 0.585 150.9
2003 0.579 150.2
2004 0.573 149.4
2005 0.567 148.7
2006 0.561 148.0
2007 0.555 147.2
2008 0.550 146.4
2009 0.544 145.6
2010 0.538 144.8
2011 0.533 143.9
2012 0.528 143.1
2013 0.522 142.2
2014 0.517 141.3
2015 0.512 140.4
2016 0.507 139.5
2017 0.502 138.6
2018 0.497 137.6
2019 0.492 136.6
2020 0.488 135.6
2021 0.483 134.6
2022 0.479 133.6
2023 0.475 132.5
2024 0.471 131.5
2025 0.467 130.4
2026 0.463 129.3
2027 0.460 128.1
2028 0.456 127.0
2029 0.453 125.8
2030 0.450 124.7

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