07123+1839 AG 331
07h 12m 20.02s +18° 39' 14.1" P.A. 214.00 sep 0.3 mag 9.51,9.70 Sp G5
| Coord 2000 |
07123+1839 |
|
Discov num |
AG 331 |
|
Comp |
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Coord arcsec 2000 |
07 12 20.02 +18 39 14.1 |
|
| Date first |
1870 |
|
Date last |
2013 |
|
Obs |
12 |
|
| Pa first |
180 |
|
Pa last |
213.7 |
|
P.A. Now (θ) |
213.7° |
|
| Sep first |
1.5 |
|
Sep last |
0.266 |
|
Sep. Now (ρ) |
0.266" |
|
| Mag pri |
9.51 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Gemini |
|
Tycho2 |
1350-00414-1 |
|
Gaia DR2 |
3363089242518078336 |
|
ADS |
5866 |
|
ORBITAL ELEMENTS
| Period (P) | 633.3918y | ± 306.8075 |
Periastron (T) | 2013.5256y | ± 8.7528 |
Semi-major axis (a) | 1.39462a | ± 0.48831 |
| Eccentricity (e) | 0.74735 | ± 0.20056 |
Inclination (i) | 77.538° | ± 4.872 |
Longitude of periastron (ω) | 282.295° | ± 24.619 |
| Node (Ω) | 14.698° | ± 7.652 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2000 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
203.9 |
0.380 |
| 2001 |
205.1 |
0.352 |
| 2002 |
206.5 |
0.324 |
| 2003 |
208.2 |
0.295 |
| 2004 |
210.2 |
0.265 |
| 2005 |
212.7 |
0.235 |
| 2006 |
216.0 |
0.205 |
| 2007 |
220.5 |
0.174 |
| 2008 |
226.8 |
0.144 |
| 2009 |
236.2 |
0.116 |
| 2010 |
251.0 |
0.093 |
| 2011 |
273.2 |
0.079 |
| 2012 |
299.7 |
0.079 |
| 2013 |
321.5 |
0.094 |
| 2014 |
336.0 |
0.118 |
| 2015 |
345.3 |
0.146 |
| 2016 |
351.6 |
0.175 |
| 2017 |
356.0 |
0.205 |
| 2018 |
359.3 |
0.235 |
| 2019 |
1.8 |
0.264 |
| 2020 |
3.9 |
0.292 |
| 2021 |
5.6 |
0.320 |
| 2022 |
7.0 |
0.346 |
| 2023 |
8.2 |
0.370 |
| 2024 |
9.3 |
0.394 |
| 2025 |
10.3 |
0.416 |
| 2026 |
11.1 |
0.438 |
| 2027 |
11.9 |
0.458 |
| 2028 |
12.7 |
0.477 |
| 2029 |
13.3 |
0.494 |
| 2030 |
14.0 |
0.511 |
|
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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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