21041+0359 TOK 371 (HD 200565)
21h 04m 05.69s +03° 58' 50.4" P.A. 272.00 sep 0.1 mag 8.42,9.00 Sp G5 dist. 65.75 pc (214.48 l.y.)
Coord 2000 |
21041+0359 |
|
Discov num |
TOK 371 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 05.69 +03 58 50.4 |
|
Date first |
2012 |
|
Date last |
2021 |
|
Obs |
11 |
|
Pa first |
110 |
|
Pa last |
272.3 |
|
P.A. Now (θ) |
272.3° |
|
Sep first |
0.1 |
|
Sep last |
0.143 |
|
Sep. Now (ρ) |
0.143" |
|
Mag pri |
8.42 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-071 |
|
Sec motion ra |
|
|
Pri motion dec |
-156 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 200565 |
|
Constellation |
Equuleus |
|
SAO |
126508 |
|
HIP |
103983 |
|
Tycho2 |
0534-00970-1 |
|
Gaia DR2 |
1732831875859320576 |
|
HD |
200565 |
|
GC |
29421 |
|
BD |
BD+03 4493 |
|
Distance |
65.75 |
|
Distance ly |
214.48 |
|
ORBITAL ELEMENTS
Period (P) | 13.3y | |
Periastron (T) | 2011.21y | |
Semi-major axis (a) | 0.104a | |
Eccentricity (e) | 0.29 | |
Inclination (i) | 20.4° | |
Longitude of periastron (ω) | 319.8° | |
Node (Ω) | 79.8° | |
Notes | | |
Reference | Tok2018i | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
127.0 |
0.092 |
2001 |
154.9 |
0.103 |
2002 |
177.4 |
0.114 |
2003 |
196.1 |
0.123 |
2004 |
212.7 |
0.129 |
2005 |
228.1 |
0.131 |
2006 |
243.5 |
0.129 |
2007 |
260.0 |
0.122 |
2008 |
279.4 |
0.110 |
2009 |
304.8 |
0.093 |
2010 |
341.5 |
0.077 |
2011 |
30.7 |
0.071 |
2012 |
78.9 |
0.078 |
2013 |
117.2 |
0.088 |
2014 |
147.2 |
0.099 |
2015 |
171.1 |
0.110 |
2016 |
190.8 |
0.120 |
2017 |
207.9 |
0.127 |
2018 |
223.6 |
0.131 |
2019 |
238.9 |
0.130 |
2020 |
254.9 |
0.125 |
2021 |
273.2 |
0.114 |
2022 |
296.3 |
0.099 |
2023 |
329.0 |
0.082 |
2024 |
15.2 |
0.072 |
2025 |
65.3 |
0.075 |
2026 |
106.7 |
0.085 |
2027 |
138.9 |
0.096 |
2028 |
164.4 |
0.107 |
2029 |
185.2 |
0.117 |
2030 |
203.0 |
0.126 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|