16057-3252 SEE 264AB

 
 
16H 05M 39.19S -32 51' 44.4" P.A. 2.8 SEP 0.87 MAG 8.34,9.29 SP K0V DIST. 40.49 PC (132.08 L.Y.)
 
 
Coord 2000
16057-3252
Discov num
SEE 264
Comp
AB
Coord arcsec 2000
16 05 39.19 -32 51 44.4
Date first
1897
Date last
2015
Obs
43
Pa first
340
Pa last
8
P.A. Now (θ)
2.8°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.87"
Mag pri
8.34
Mag sec
9.29
delta mag (ΔM)
0.95
Spectral class
K0V (yellow-orange)
Pri motion ra
-361
Sec motion ra
-374
Pri motion dec
-235
Sec motion dec
-212
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
16057-3252 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 207321 16057-3252 SEE 264 AB 1897 2015 43 3 0.9 8.34 9.29 0.95 Y <===
Show 207321 16057-3252 SEE 264 AC 1897 1999 11 5 9.6 8.34 11.15 2.81
Show 207321 16057-3252 WSI 84 Ba,Bb 2008 2015 9 24 0.1 10.00 10.10 0.10
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lupus
SAO
207321
HIP
78842
Tycho2
7334-01540-1
HD
144179
GL
Wo 9543A
CD
CD-3211405
CP
CP-32 4075
Distance
40.49
Distance ly
132.08
last precise pa
8.3
last precise sep
0.728
 
 
ORBITAL ELEMENTS
 
 
Period (P)150.51y Periastron (T)1976.01y Semi-major axis (a)0.896a
Eccentricity (e)0.138 Inclination (i)140.5° Longitude of periastron (ω)29.5°
Node (Ω)154.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.659 49.7
2001 0.667 46.3
2002 0.676 43.1
2003 0.686 39.9
2004 0.697 36.8
2005 0.708 33.9
2006 0.719 31.0
2007 0.731 28.2
2008 0.744 25.5
2009 0.756 22.9
2010 0.769 20.3
2011 0.782 17.9
2012 0.795 15.5
2013 0.808 13.3
2014 0.820 11.0
2015 0.833 8.9
2016 0.845 6.8
2017 0.857 4.8
2018 0.869 2.8
2019 0.881 0.9
2020 0.892 359.0
2021 0.903 357.2
2022 0.913 355.4
2023 0.923 353.7
2024 0.932 352.0
2025 0.941 350.3
2026 0.949 348.7
2027 0.957 347.0
2028 0.964 345.5
2029 0.971 343.9
2030 0.977 342.3

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