12509-5743 TOK 385 (HD 111570)
12h 50m 53.95s -57° 43' 17.7" P.A. 106.00 sep 0.1 mag 8.80,12.40 Sp K0/1+F/G dist. 49.58 pc (161.73 l.y.)
Coord 2000 |
12509-5743 |
|
Discov num |
TOK 385 |
|
Comp |
|
|
Coord arcsec 2000 |
12 50 53.95 -57 43 17.7 |
|
Date first |
2013 |
|
Date last |
2021 |
|
Obs |
7 |
|
Pa first |
113 |
|
Pa last |
106.3 |
|
P.A. Now (θ) |
106.3° |
|
Sep first |
0.2 |
|
Sep last |
0.147 |
|
Sep. Now (ρ) |
0.147" |
|
Mag pri |
8.80 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
K0/1+F/G (yellow-orange/yellow-white) |
|
Pri motion ra |
-089 |
|
Sec motion ra |
|
|
Pri motion dec |
+041 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 111570 |
|
Constellation |
Crux |
|
SAO |
240313 |
|
HIP |
62699 |
|
Tycho2 |
8655-02007-1 |
|
Gaia DR2 |
6060462329456045056 |
|
HD |
111570 |
|
CP |
CP-57 5743 |
|
Distance |
49.58 |
|
Distance ly |
161.73 |
|
ORBITAL ELEMENTS
Period (P) | 12.76y | ± 1.32 |
Periastron (T) | 2018.59y | ± 0.42 |
Semi-major axis (a) | 0.104a | ± 0.02 |
Eccentricity (e) | 0.95 | |
Inclination (i) | 60.6° | ± 12.3 |
Longitude of periastron (ω) | 202.2° | ± 32.7 |
Node (Ω) | 100.2° | ± 14.1 |
Notes | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
112.2 |
0.189 |
2001 |
113.6 |
0.180 |
2002 |
115.2 |
0.165 |
2003 |
117.1 |
0.142 |
2004 |
120.1 |
0.110 |
2005 |
126.5 |
0.063 |
2006 |
86.6 |
0.025 |
2007 |
101.8 |
0.099 |
2008 |
105.1 |
0.139 |
2009 |
107.1 |
0.165 |
2010 |
108.6 |
0.181 |
2011 |
110.0 |
0.190 |
2012 |
111.3 |
0.192 |
2013 |
112.6 |
0.188 |
2014 |
113.9 |
0.177 |
2015 |
115.6 |
0.160 |
2016 |
117.7 |
0.135 |
2017 |
121.1 |
0.100 |
2018 |
130.2 |
0.048 |
2019 |
95.1 |
0.050 |
2020 |
102.8 |
0.111 |
2021 |
105.6 |
0.146 |
2022 |
107.5 |
0.169 |
2023 |
109.0 |
0.184 |
2024 |
110.3 |
0.191 |
2025 |
111.6 |
0.191 |
2026 |
112.9 |
0.186 |
2027 |
114.3 |
0.174 |
2028 |
116.0 |
0.155 |
2029 |
118.4 |
0.128 |
2030 |
122.3 |
0.090 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|