12465-2051 RST 2814 AB (HD 111017)
12h 46m 27.51s -20° 50' 52.8" P.A. 292.00 sep 0.1 mag 9.77,10.11 Sp G1V dist. 223.21 pc (728.11 l.y.)
Coord 2000 |
12465-2051 |
|
Discov num |
RST2814 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 46 27.51 -20 50 52.8 |
|
Date first |
1935 |
|
Date last |
2021 |
|
Obs |
13 |
|
Pa first |
173 |
|
Pa last |
291.8 |
|
P.A. Now (θ) |
291.8° |
|
Sep first |
0.3 |
|
Sep last |
0.062 |
|
Sep. Now (ρ) |
0.062" |
|
Mag pri |
9.77 |
|
Mag sec |
10.11 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
G1V (yellow) |
|
Pri motion ra |
-028 |
|
Sec motion ra |
|
|
Pri motion dec |
+021 |
|
Sec motion dec |
|
|
Notes |
O
W
(Orbital solution, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 111017 |
|
Constellation |
Corvus |
|
SAO |
181090 |
|
HIP |
62337 |
|
Tycho2 |
6110-01296-1 |
|
HD |
111017 |
|
BD |
BD-20 3713 |
|
Distance |
223.21 |
|
Distance ly |
728.11 |
|
ORBITAL ELEMENTS
Period (P) | 136.2y | ± 11.5 |
Periastron (T) | 2013.13y | ± 0.51 |
Semi-major axis (a) | 0.189a | ± 0.009 |
Eccentricity (e) | 0.606 | ± 0.025 |
Inclination (i) | 117.9° | ± 2.8 |
Longitude of periastron (ω) | 167.6° | ± 4.2 |
Node (Ω) | 163.6° | ± 3 |
Notes | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
122.6 |
0.090 |
2001 |
117.8 |
0.081 |
2002 |
111.9 |
0.073 |
2003 |
104.5 |
0.065 |
2004 |
95.2 |
0.058 |
2005 |
83.5 |
0.052 |
2006 |
69.7 |
0.049 |
2007 |
54.5 |
0.048 |
2008 |
39.5 |
0.049 |
2009 |
26.0 |
0.053 |
2010 |
14.7 |
0.058 |
2011 |
5.3 |
0.064 |
2012 |
357.3 |
0.069 |
2013 |
350.3 |
0.073 |
2014 |
343.9 |
0.075 |
2015 |
337.8 |
0.076 |
2016 |
331.6 |
0.075 |
2017 |
325.2 |
0.073 |
2018 |
318.3 |
0.070 |
2019 |
310.9 |
0.067 |
2020 |
302.8 |
0.064 |
2021 |
294.0 |
0.062 |
2022 |
284.7 |
0.061 |
2023 |
275.1 |
0.060 |
2024 |
265.6 |
0.061 |
2025 |
256.5 |
0.063 |
2026 |
248.1 |
0.067 |
2027 |
240.7 |
0.071 |
2028 |
234.1 |
0.076 |
2029 |
228.3 |
0.081 |
2030 |
223.3 |
0.087 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|