14562+1745 HDS2108AB

 
 
14h 56m 12.87s +17 44' 53.5" P.A. 174.4 sep 0.12 mag 11.80,12.31 Sp M0 dist. 71.99 pc (234.83 l.y.)
 
 
Coord 2000
14562+1745
Discov num
HDS2108
Comp
AB
Coord arcsec 2000
14 56 12.87 +17 44 53.5
Date first
1991
Date last
2014
Obs
12
Pa first
46
Pa last
235
P.A. Now (θ)
174.4°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.12"
Mag pri
11.80
Mag sec
12.31
delta mag (ΔM)
0.51
Spectral class
M0 (red)
Pri motion ra
-188
Sec motion ra
Pri motion dec
+051
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14562+1745 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 14562+1745 HDS2108 AB 1991 2014 12 174 0.1 11.80 12.31 0.51 Y <===
Show 14562+1745 GII 61 AC 2013 2014 2 194 1.8 11.80 15.00 3.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
235.3
Precise sep
0.082
Cdsa2 id
HDS 2108 AB
Constellation
Bootes
HIP
73085
Tycho2
1488-00128-3
Ra deg
14.936908333333333
De deg
17.748194444444444
Distance
71.99
Distance ly
234.83
last precise pa
235.3
last precise sep
0.082
 
 
ORBITAL ELEMENTS
 
 
Period (P)41.192y± 0.695 Periastron (T)2014.759y± 0.568 Semi-major axis (a)0.2056a± 0.009
Eccentricity (e)0.501± 0.038 Inclination (i)127°± 1.4 Longitude of periastron (ω)142.6°± 3.8
Node (Ω)22.1°± 2.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.282 32.5
2001 0.279 30.1
2002 0.273 27.6
2003 0.266 24.9
2004 0.256 22.1
2005 0.243 19.0
2006 0.229 15.5
2007 0.211 11.6
2008 0.190 6.8
2009 0.167 0.7
2010 0.140 352.5
2011 0.112 340.2
2012 0.085 319.8
2013 0.070 286.3
2014 0.076 248.4
2015 0.094 221.3
2016 0.110 202.9
2017 0.117 188.1
2018 0.119 174.4
2019 0.119 160.8
2020 0.119 147.2
2021 0.122 133.9
2022 0.127 121.4
2023 0.135 110.1
2024 0.145 100.3
2025 0.156 91.8
2026 0.169 84.5
2027 0.182 78.2
2028 0.195 72.8
2029 0.208 68.1
2030 0.220 63.8

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

grafico orbita





wds14562%2B1745b.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
14562+1745 HDS2108 AB 2014 12 235 0.1 11.80 12.31 M0 O 145612.87+174453.5

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