14562+1745 HDS 2108 AB
14h 56m 12.87s +17° 44' 53.5" P.A. 170.00 sep 0.1 mag 11.80,12.31 Sp K5V+M0.5V 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 |
2019 |
|
Obs |
25 |
|
| Pa first |
46 |
|
Pa last |
170 |
|
P.A. Now (θ) |
129.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.13" |
|
| Mag pri |
11.80 |
|
Mag sec |
12.31 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
K5V+M0.5V (yellow-orange/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 |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
14 56 13 +17 44 54 |
HDS 2108 AB |
2019 |
25 |
170 |
0.1 |
11.80 |
12.31 |
0.51 |
Y |
<=== |
| Show |
|
|
14 56 13 +17 44 54 |
GII 61 AC |
2016 |
11 |
194 |
1.8 |
11.80 |
15.00 |
3.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
HIP |
73085 |
|
Tycho2 |
1488-00128-3 |
|
Gaia DR2 |
1188311317867057536 |
|
| Distance |
71.99 |
|
Distance ly |
234.83 |
|
ORBITAL ELEMENTS
| Period (P) | 43.6y | ± 0.6 |
Periastron (T) | 2014.66y | ± 0.06 |
Semi-major axis (a) | 216.4m | ± 1.6 |
| Eccentricity (e) | 0.475 | ± 0.004 |
Inclination (i) | 123.9° | ± 0.8 |
Longitude of periastron (ω) | 136.9° | ± 1.3 |
| Node (Ω) | 22.6° | ± 0.5 |
Notes | | |
Reference | Mit2020 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
32.8 |
0.284 |
| 2001 |
30.4 |
0.280 |
| 2002 |
28.0 |
0.275 |
| 2003 |
25.4 |
0.267 |
| 2004 |
22.6 |
0.257 |
| 2005 |
19.6 |
0.244 |
| 2006 |
16.2 |
0.228 |
| 2007 |
12.2 |
0.210 |
| 2008 |
7.5 |
0.188 |
| 2009 |
1.3 |
0.164 |
| 2010 |
352.8 |
0.136 |
| 2011 |
339.8 |
0.107 |
| 2012 |
317.8 |
0.081 |
| 2013 |
282.7 |
0.070 |
| 2014 |
247.0 |
0.080 |
| 2015 |
223.3 |
0.101 |
| 2016 |
207.7 |
0.119 |
| 2017 |
195.6 |
0.130 |
| 2018 |
184.8 |
0.134 |
| 2019 |
174.2 |
0.134 |
| 2020 |
163.4 |
0.132 |
| 2021 |
152.3 |
0.129 |
| 2022 |
140.9 |
0.129 |
| 2023 |
129.5 |
0.130 |
| 2024 |
118.7 |
0.135 |
| 2025 |
108.7 |
0.141 |
| 2026 |
99.7 |
0.150 |
| 2027 |
91.8 |
0.160 |
| 2028 |
84.9 |
0.171 |
| 2029 |
78.9 |
0.183 |
| 2030 |
73.6 |
0.195 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
