09487-2625 I   205AB

 
 
09H 48M 42.84S -26 24' 52.0" P.A. 281.3 SEP 1.86 MAG 6.70,10.82 SP F5V DIST. 40.27 PC (131.36 L.Y.)
 
 
Coord 2000
09487-2625
Discov num
I   205
Comp
AB
Coord arcsec 2000
09 48 42.84 -26 24 52.0
Date first
1897
Date last
2015
Obs
21
Pa first
20
Pa last
282
P.A. Now (θ)
281.3°
Sep first
2.0
Sep last
1.8
Sep. Now (ρ)
1.86"
Mag pri
6.70
Mag sec
10.82
delta mag (ΔM)
4.12
Spectral class
F5V (yellow-white)
Pri motion ra
-149
Sec motion ra
-154
Pri motion dec
+034
Sec motion dec
+036
Notes
O (Orbital solution)
rPM=0.034 (< 0.3, Physical double)
This double is physical.
 
 
09487-2625 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 178027 09487-2625 I 205 AB 1897 2015 21 281 1.9 6.70 10.82 4.12 Y <===
Show 178027 09487-2625 TOK 532 AC 1980 1999 4 181 999.9 6.70 12.47 5.77
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Antlia
SAO
178027
HIP
48125
Tycho2
6611-01266-1
HD
85043
ADS
7524
CD
CD-25 7510
CP
CP-25 4274
Distance
40.27
Distance ly
131.36
last precise pa
281.5
last precise sep
1.833
 
 
ORBITAL ELEMENTS
 
 
Period (P)461y Periastron (T)1868.7y Semi-major axis (a)2.277a
Eccentricity (e)0 Inclination (i)140.2° Longitude of periastron (ω)
Node (Ω)43.5° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 1.778 297.4
2001 1.781 296.4
2002 1.785 295.4
2003 1.789 294.4
2004 1.793 293.5
2005 1.797 292.5
2006 1.802 291.5
2007 1.806 290.6
2008 1.811 289.6
2009 1.816 288.7
2010 1.821 287.7
2011 1.827 286.8
2012 1.832 285.9
2013 1.837 285.0
2014 1.843 284.0
2015 1.849 283.1
2016 1.855 282.2
2017 1.861 281.3
2018 1.867 280.4
2019 1.873 279.5
2020 1.880 278.6
2021 1.886 277.8
2022 1.893 276.9
2023 1.899 276.0
2024 1.906 275.2
2025 1.913 274.3
2026 1.920 273.5
2027 1.927 272.6
2028 1.933 271.8
2029 1.940 271.0
2030 1.948 270.1

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