10529-1717 HDS1556

 
 
10h 52m 56.71s -17 16' 38.3" P.A. 111.5 sep 0.09 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
2015
Obs
12
Pa first
109
Pa last
141
P.A. Now (θ)
111.5°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.09"
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
 
 
Precise pa
141.2
Precise sep
0.05
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)14.95y± 0.26 Periastron (T)2003.6y± 0.22 Semi-major axis (a)0.1875a± 0.0056
Eccentricity (e)0.553± 0.032 Inclination (i)97°± 0.5 Longitude of periastron (ω)61.8°± 2.3
Node (Ω)109.3°± 0.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.047 145.9
2001 0.085 124.1
2002 0.113 115.4
2003 0.097 108.3
2004 0.019 324.3
2005 0.128 292.1
2006 0.186 288.7
2007 0.210 286.5
2008 0.212 284.6
2009 0.199 282.6
2010 0.176 280.2
2011 0.144 276.8
2012 0.106 271.2
2013 0.065 258.7
2014 0.032 213.9
2015 0.049 144.0
2016 0.086 123.5
2017 0.113 115.0
2018 0.094 107.9
2019 0.025 315.2
2020 0.132 291.9
2021 0.188 288.6
2022 0.210 286.4
2023 0.212 284.5
2024 0.198 282.5
2025 0.174 280.0
2026 0.142 276.6
2027 0.104 270.8
2028 0.063 257.6
2029 0.032 209.8
2030 0.050 142.2

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

grafico orbita





wds10529-1717e.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
10529-1717 HDS1556 2001 2 98 0.3 7.96 8.07 G6V 105256.71-171638.3
10529-1717 HDS1556 2009 3 101 0.2 7.96 8.07 G6V 105256.71-171638.3
10529-1717 HDS1556 2010 6 96 0.1 7.96 8.07 G6V D 105256.71-171638.3
10529-1717 HDS1556 2013 8 256 0.1 7.96 8.07 G6V OD 105256.71-171638.3
10529-1717 HDS1556 2015 10 141 0.1 7.96 8.07 G6V NO 105256.71-171638.3

If you need more information about this double, apply for a data request form to the WDS.