12572+0818 FIN 380 (HD 112503)
12h 57m 13.62s +08° 17' 37.5" P.A. 165.00 sep 0.1 mag 7.50,7.88 Sp F5 dist. 101.73 pc (331.84 l.y.)
| Coord 2000 |
12572+0818 |
|
Discov num |
FIN 380 |
|
Comp |
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Coord arcsec 2000 |
12 57 13.62 +08 17 37.5 |
|
| Date first |
1962 |
|
Date last |
2021 |
|
Obs |
53 |
|
| Pa first |
162 |
|
Pa last |
164.8 |
|
P.A. Now (θ) |
167.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.04" |
|
| Mag pri |
7.50 |
|
Mag sec |
7.88 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-096 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 112503 |
|
Constellation |
Virgo |
|
SAO |
119683 |
|
HIP |
63221 |
|
| Tycho2 |
0883-00370-1 |
|
Gaia DR2 |
3733713476706887168 |
|
HD |
112503 |
|
GC |
17579 |
|
| BD |
BD+09 2696 |
|
Distance |
101.73 |
|
Distance ly |
331.84 |
|
ORBITAL ELEMENTS
| Period (P) | 55y | ± 0.38 |
Periastron (T) | 2023.61y | ± 0.3 |
Semi-major axis (a) | 0.235a | ± 0.09 |
| Eccentricity (e) | 0.877 | ± 0.012 |
Inclination (i) | 86.4° | ± 0.5 |
Longitude of periastron (ω) | 120.8° | ± 1.5 |
| Node (Ω) | 164.9° | ± 0.5 |
Notes | | |
Reference | Doc2018l | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
159.6 |
0.246 |
| 2001 |
159.8 |
0.250 |
| 2002 |
160.0 |
0.253 |
| 2003 |
160.2 |
0.256 |
| 2004 |
160.3 |
0.258 |
| 2005 |
160.5 |
0.260 |
| 2006 |
160.6 |
0.261 |
| 2007 |
160.8 |
0.261 |
| 2008 |
161.0 |
0.260 |
| 2009 |
161.1 |
0.259 |
| 2010 |
161.3 |
0.257 |
| 2011 |
161.5 |
0.254 |
| 2012 |
161.6 |
0.250 |
| 2013 |
161.8 |
0.245 |
| 2014 |
162.0 |
0.238 |
| 2015 |
162.2 |
0.230 |
| 2016 |
162.4 |
0.221 |
| 2017 |
162.6 |
0.210 |
| 2018 |
162.9 |
0.196 |
| 2019 |
163.2 |
0.179 |
| 2020 |
163.6 |
0.159 |
| 2021 |
164.1 |
0.132 |
| 2022 |
165.0 |
0.096 |
| 2023 |
167.6 |
0.040 |
| 2024 |
345.3 |
0.039 |
| 2025 |
350.2 |
0.049 |
| 2026 |
355.6 |
0.041 |
| 2027 |
4.6 |
0.030 |
| 2028 |
24.3 |
0.019 |
| 2029 |
71.3 |
0.014 |
| 2030 |
115.2 |
0.020 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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