22508-6543 HDS 3246 (HD 216013)
22h 50m 47.15s -65° 42' 51.8" P.A. 292.00 sep 0.1 mag 8.79,10.46 Sp G6V dist. 38.8 pc (126.57 l.y.)
Coord 2000 |
22508-6543 |
|
Discov num |
HDS3246 |
|
Comp |
|
|
Coord arcsec 2000 |
22 50 47.15 -65 42 51.8 |
|
Date first |
1991 |
|
Date last |
2021 |
|
Obs |
15 |
|
Pa first |
255 |
|
Pa last |
291.9 |
|
P.A. Now (θ) |
278.3° |
|
Sep first |
0.2 |
|
Sep last |
0.06 |
|
Sep. Now (ρ) |
0.1" |
|
Mag pri |
8.79 |
|
Mag sec |
10.46 |
|
delta mag (ΔM) |
1.67 |
|
Spectral class |
G6V (yellow) |
|
Pri motion ra |
+117 |
|
Sec motion ra |
|
|
Pri motion dec |
+083 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 216013 |
|
Constellation |
Tucana |
|
HIP |
112816 |
|
Tycho2 |
9124-01100-1 |
|
Gaia DR2 |
6392352869207924224 |
|
HD |
216013 |
|
CP |
CP-66 3714 |
|
Distance |
38.8 |
|
Distance ly |
126.57 |
|
ORBITAL ELEMENTS
Period (P) | 21.433y | |
Periastron (T) | 2016.136y | |
Semi-major axis (a) | 0.214a | |
Eccentricity (e) | 0.448 | |
Inclination (i) | 92.4° | |
Longitude of periastron (ω) | 140.2° | |
Node (Ω) | 272° | |
Notes | n | |
Reference | Tok2018e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
295.6 |
0.026 |
2001 |
280.5 |
0.074 |
2002 |
277.3 |
0.119 |
2003 |
275.8 |
0.160 |
2004 |
274.9 |
0.197 |
2005 |
274.2 |
0.227 |
2006 |
273.7 |
0.251 |
2007 |
273.3 |
0.268 |
2008 |
272.9 |
0.277 |
2009 |
272.5 |
0.278 |
2010 |
272.2 |
0.267 |
2011 |
271.7 |
0.246 |
2012 |
271.2 |
0.210 |
2013 |
270.3 |
0.159 |
2014 |
268.3 |
0.089 |
2015 |
208.6 |
0.006 |
2016 |
94.5 |
0.082 |
2017 |
92.0 |
0.128 |
2018 |
90.3 |
0.125 |
2019 |
87.8 |
0.093 |
2020 |
81.5 |
0.048 |
2021 |
348.8 |
0.010 |
2022 |
283.7 |
0.053 |
2023 |
278.3 |
0.100 |
2024 |
276.3 |
0.143 |
2025 |
275.2 |
0.182 |
2026 |
274.5 |
0.215 |
2027 |
273.9 |
0.242 |
2028 |
273.5 |
0.262 |
2029 |
273.1 |
0.275 |
2030 |
272.7 |
0.279 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|