10529-1717 HDS1556

 
 
10H 52M 56.71S -17 16' 38.3" P.A. 60.3 SEP 0.02 MAG 7.96,8.07 SP G6V DIST. 39.29 PC (128.16 L.Y.)
 
 
Coord 2000
10529-1717
Discov num
HDS1556
Comp
Coord arcsec 2000
10 52 56.71 -17 16 38.3
Date first
1991
Date last
2017
Obs
19
Pa first
109
Pa last
113
P.A. Now (θ)
60.3°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.02"
Mag pri
7.96
Mag sec
8.07
delta mag (ΔM)
0.11
Spectral class
G6V (yellow)
Pri motion ra
-174
Sec motion ra
Pri motion dec
+074
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Crater
SAO
156295
HIP
53206
Tycho2
6076-00619-1
HD
94310
BD
BD-16 3142
Distance
39.29
Distance ly
128.16
last precise pa
113.2
last precise sep
0.115
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.93y± 0.26 Periastron (T)2002.74y± 1.39 Semi-major axis (a)0.173a± 0.028
Eccentricity (e)0.544± 0.056 Inclination (i)99.2°± 3.6 Longitude of periastron (ω)51.4°± 17.3
Node (Ω)110.5°± 2.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.050 145.7
2001 0.085 123.1
2002 0.095 112.2
2003 0.023 77.5
2004 0.094 298.0
2005 0.164 292.0
2006 0.200 289.1
2007 0.215 286.9
2008 0.213 284.8
2009 0.200 282.6
2010 0.176 279.8
2011 0.144 276.0
2012 0.106 269.8
2013 0.066 256.0
2014 0.035 209.0
2015 0.052 143.1
2016 0.087 122.2
2017 0.094 111.5
2018 0.017 60.3
2019 0.100 297.3
2020 0.167 291.8
2021 0.202 289.0
2022 0.215 286.8
2023 0.213 284.7
2024 0.198 282.4
2025 0.174 279.6
2026 0.142 275.7
2027 0.104 269.2
2028 0.063 254.3
2029 0.034 203.2
2030 0.055 140.8

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