10140+2227 COU 169 Aa,Ab
10h 14m 01.84s +22° 27' 22.7" P.A. 322.00 sep 0.5 mag 10.72,10.91 Sp K5 dist. 77.94 pc (254.24 l.y.)
| Coord 2000 |
10140+2227 |
|
Discov num |
COU 169 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
10 14 01.84 +22 27 22.7 |
|
| Date first |
1967 |
|
Date last |
2018 |
|
Obs |
40 |
|
| Pa first |
69 |
|
Pa last |
321.7 |
|
P.A. Now (θ) |
321.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.54 |
|
Sep. Now (ρ) |
0.54" |
|
| Mag pri |
10.72 |
|
Mag sec |
10.91 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+060 |
|
Sec motion ra |
+060 |
|
| Pri motion dec |
-093 |
|
Sec motion dec |
-093 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
10140+2227 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
10 14 02 +22 27 23 |
COU 169 Aa,Ab |
2018 |
40 |
322 |
0.5 |
10.72 |
10.91 |
0.19 |
Y |
<=== |
| Show |
|
|
10 14 02 +22 27 23 |
UC 1897 AB |
2015 |
6 |
307 |
35.8 |
10.01 |
15.01 |
5.00 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Leo |
|
HIP |
50130 |
|
Tycho2 |
1425-00296-1 |
|
Gaia DR2 |
629253768751865088 |
|
| BD |
BD+23 2195 |
|
Distance |
77.94 |
|
Distance ly |
254.24 |
|
ORBITAL ELEMENTS
| Period (P) | 92.7y | ± 4.2 |
Periastron (T) | 1964.5y | ± 0.4 |
Semi-major axis (a) | 0.457a | ± 0.005 |
| Eccentricity (e) | 0.676 | ± 0.033 |
Inclination (i) | 134.1° | ± 0.9 |
Longitude of periastron (ω) | 259.7° | ± 1.8 |
| Node (Ω) | 50.2° | ± 4.6 |
Notes | | |
Reference | Ksr2021 | |
| Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
349.9 |
0.548 |
| 2001 |
348.5 |
0.549 |
| 2002 |
347.1 |
0.549 |
| 2003 |
345.8 |
0.549 |
| 2004 |
344.4 |
0.549 |
| 2005 |
343.0 |
0.549 |
| 2006 |
341.6 |
0.548 |
| 2007 |
340.2 |
0.547 |
| 2008 |
338.8 |
0.546 |
| 2009 |
337.4 |
0.545 |
| 2010 |
336.0 |
0.543 |
| 2011 |
334.6 |
0.542 |
| 2012 |
333.2 |
0.540 |
| 2013 |
331.8 |
0.538 |
| 2014 |
330.3 |
0.536 |
| 2015 |
328.9 |
0.533 |
| 2016 |
327.4 |
0.531 |
| 2017 |
325.9 |
0.528 |
| 2018 |
324.4 |
0.525 |
| 2019 |
322.9 |
0.522 |
| 2020 |
321.4 |
0.518 |
| 2021 |
319.8 |
0.515 |
| 2022 |
318.2 |
0.511 |
| 2023 |
316.6 |
0.507 |
| 2024 |
315.0 |
0.503 |
| 2025 |
313.3 |
0.499 |
| 2026 |
311.6 |
0.495 |
| 2027 |
309.9 |
0.490 |
| 2028 |
308.2 |
0.485 |
| 2029 |
306.4 |
0.481 |
| 2030 |
304.6 |
0.475 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
