11525-1408 HDS1676

 
 
11h 52m 27.18s -14 07' 39.2" P.A. 50.9 sep 0.09 mag 8.08,9.33 Sp G0V dist. 64.27 pc (209.65 l.y.)
 
 
Coord 2000
11525-1408
Discov num
HDS1676
Comp
Coord arcsec 2000
11 52 27.18 -14 07 39.2
Date first
1991
Date last
2017
Obs
16
Pa first
103
Pa last
30
P.A. Now (θ)
50.9°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.09"
Mag pri
8.08
Mag sec
9.33
delta mag (ΔM)
1.25
Spectral class
G0V (yellow)
Pri motion ra
-196
Sec motion ra
Pri motion dec
+050
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.7
Precise sep
0.07
Constellation
Crater
SAO
156952
HIP
57894
Tycho2
5523-00865-1
HD
103130
BD
BD-13 3458
Distance
64.27
Distance ly
209.65
last precise pa
29.7
last precise sep
0.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.2y Periastron (T)2001.15y Semi-major axis (a)0.132a
Eccentricity (e)0.733 Inclination (i)38.1° Longitude of periastron (ω)315.5°
Node (Ω)326.3° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2017
label rho theta
2000 0.090 160.9
2001 0.030 252.8
2002 0.064 20.6
2003 0.098 55.8
2004 0.129 73.2
2005 0.155 84.2
2006 0.175 92.3
2007 0.191 98.9
2008 0.201 104.6
2009 0.207 109.9
2010 0.208 115.0
2011 0.203 120.2
2012 0.192 125.9
2013 0.173 132.5
2014 0.144 141.3
2015 0.101 156.1
2016 0.038 212.2
2017 0.057 8.3
2018 0.091 50.9
2019 0.123 70.4
2020 0.150 82.3
2021 0.171 90.8
2022 0.188 97.6
2023 0.200 103.5
2024 0.206 108.8
2025 0.208 114.0
2026 0.204 119.1
2027 0.194 124.7
2028 0.177 131.0
2029 0.151 139.2
2030 0.111 152.2

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

grafico orbita





wds11525-1408e.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
11525-1408 HDS1676 1991 1 103 0.2 8.08 9.33 G0V 115227.18-140739.2
11525-1408 HDS1676 2009 2 111 0.2 8.08 9.33 G0V 115227.18-140739.2
11525-1408 HDS1676 2011 3 121 0.2 8.08 9.33 G0V 115227.18-140739.2
11525-1408 HDS1676 2012 4 127 0.2 8.08 9.33 G0V 115227.18-140739.2
11525-1408 HDS1676 2013 5 134 0.2 8.08 9.33 G0V 115227.18-140739.2
11525-1408 HDS1676 2015 8 156 0.1 8.08 9.33 G0V O 115227.18-140739.2
11525-1408 HDS1676 2017 16 30 0.1 8.08 9.33 G0V O 115227.18-140739.2

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