10112-3245 HDS1469

 
 
10h 11m 09.93s -32 45' 13.9" P.A. 307.7 sep 0.08 mag 8.59,10.63 Sp G1V dist. 86.58 pc (282.42 l.y.)
 
 
Coord 2000
10112-3245
Discov num
HDS1469
Comp
Coord arcsec 2000
10 11 09.93 -32 45 13.9
Date first
1991
Date last
2017
Obs
6
Pa first
79
Pa last
97
P.A. Now (θ)
307.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.08"
Mag pri
8.59
Mag sec
10.63
delta mag (ΔM)
2.04
Spectral class
G1V (yellow)
Pri motion ra
-141
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96.6
Precise sep
0.058
Constellation
Antlia
SAO
201136
HIP
49883
Tycho2
7174-00772-1
HD
88429
CD
CD-32 7125
CP
CP-32 2835
Distance
86.58
Distance ly
282.42
last precise pa
96.6
last precise sep
0.058
 
 
ORBITAL ELEMENTS
 
 
Period (P)30.54y± 3.92 Periastron (T)2015.323y± 0.474 Semi-major axis (a)0.1482a± 0.0235
Eccentricity (e)0.636 Inclination (i)134.8°± 15.6 Longitude of periastron (ω)156°± 17.6
Node (Ω)206.9°± 11.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.232 224.5
2001 0.234 221.9
2002 0.234 219.3
2003 0.233 216.7
2004 0.229 214.1
2005 0.223 211.3
2006 0.215 208.4
2007 0.205 205.2
2008 0.192 201.7
2009 0.177 197.5
2010 0.158 192.5
2011 0.135 185.9
2012 0.109 176.4
2013 0.080 160.3
2014 0.052 125.9
2015 0.048 62.8
2016 0.059 13.2
2017 0.065 336.3
2018 0.076 307.7
2019 0.093 287.6
2020 0.111 273.9
2021 0.129 264.0
2022 0.146 256.5
2023 0.162 250.6
2024 0.177 245.7
2025 0.190 241.5
2026 0.201 237.8
2027 0.211 234.5
2028 0.219 231.4
2029 0.225 228.6
2030 0.230 225.9

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

grafico orbita





wds10112-3245a.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
10112-3245 HDS1469 1991 1 79 0.1 8.59 10.63 G1V 101109.93-324513.9
10112-3245 HDS1469 2015 2 61 0.0 8.59 10.63 G1V 101109.93-324513.9
10112-3245 HDS1469 2017 6 97 0.1 8.59 10.63 G1V O 101109.93-324513.9

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