02332-5156 HDS 333

 
 
02h 33m 13.38s -51 56' 19.2" P.A. 253 sep 0.5 mag 8.65,10.87 Sp K0V dist. 39.22 pc (127.94 l.y.)
 
 
Coord 2000
02332-5156
Discov num
HDS 333
Comp
Coord arcsec 2000
02 33 13.38 -51 56 19.2
Date first
1991
Date last
2017
Obs
10
Pa first
197
Pa last
253
P.A. Now (θ)
253°
Sep first
0.3
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.65
Mag sec
10.87
delta mag (ΔM)
2.22
Spectral class
K0V (yellow-orange)
Pri motion ra
-034
Sec motion ra
Pri motion dec
+166
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
253.3
Precise sep
0.549
Constellation
Horologium
SAO
232813
HIP
11877
Tycho2
8056-00172-1
HD
16077
CP
CP-52 317
Distance
39.22
Distance ly
127.94
last precise pa
253.3
last precise sep
0.549
 
 
ORBITAL ELEMENTS
 
 
Period (P)49.54y Periastron (T)1981.14y Semi-major axis (a)0.413a
Eccentricity (e)0.6 Inclination (i)57.4° Longitude of periastron (ω)150.9°
Node (Ω)252.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.519 226.0
2001 0.537 227.9
2002 0.554 229.7
2003 0.569 231.4
2004 0.583 233.0
2005 0.594 234.6
2006 0.604 236.0
2007 0.611 237.5
2008 0.617 238.9
2009 0.620 240.3
2010 0.621 241.7
2011 0.620 243.1
2012 0.617 244.5
2013 0.611 245.9
2014 0.603 247.3
2015 0.592 248.8
2016 0.578 250.4
2017 0.562 252.0
2018 0.542 253.8
2019 0.519 255.7
2020 0.493 257.8
2021 0.462 260.1
2022 0.428 262.8
2023 0.389 266.0
2024 0.345 270.0
2025 0.297 275.2
2026 0.244 282.5
2027 0.187 294.2
2028 0.135 315.6
2029 0.107 354.8
2030 0.126 36.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds02332-5156a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02332-5156 HDS 333 1991 1 197 0.3 8.65 10.87 K0V 023313.38-515619.2
02332-5156 HDS 333 2008 2 240 0.6 8.65 10.87 K0V 023313.38-515619.2
02332-5156 HDS 333 2011 3 63 0.6 8.65 10.87 K0V 023313.38-515619.2
02332-5156 HDS 333 2013 4 247 0.6 8.65 10.87 K0V 023313.38-515619.2
02332-5156 HDS 333 2015 6 249 0.6 8.65 10.87 K0V 023313.38-515619.2
02332-5156 HDS 333 2017 10 253 0.5 8.65 10.87 K0V O 023313.38-515619.2

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