01105+3917 COU 1212
01h 10m 28.86s +39° 16' 43.6" P.A. 174.00 sep 0.3 mag 9.50,10.20 Sp K2
| Coord 2000 |
01105+3917 |
|
Discov num |
COU1212 |
|
Comp |
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Coord arcsec 2000 |
01 10 28.86 +39 16 43.6 |
|
| Date first |
1974 |
|
Date last |
2013 |
|
Obs |
8 |
|
| Pa first |
325 |
|
Pa last |
174.3 |
|
P.A. Now (θ) |
174.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.269 |
|
Sep. Now (ρ) |
0.269" |
|
| Mag pri |
9.50 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+021 |
|
Sec motion ra |
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|
| Pri motion dec |
+020 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Andromeda |
|
Tycho2 |
2800-00759-1 |
|
Gaia DR2 |
370275250917792896 |
|
ORBITAL ELEMENTS
| Period (P) | 110y | |
Periastron (T) | 1998.51y | |
Semi-major axis (a) | 0.59a | |
| Eccentricity (e) | 0.55 | |
Inclination (i) | 101° | |
Longitude of periastron (ω) | 73.8° | |
| Node (Ω) | 125° | |
Notes | | |
Reference | Cou1999b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
16.6 |
0.054 |
| 2001 |
338.4 |
0.094 |
| 2002 |
325.0 |
0.146 |
| 2003 |
318.7 |
0.198 |
| 2004 |
315.0 |
0.247 |
| 2005 |
312.5 |
0.292 |
| 2006 |
310.6 |
0.333 |
| 2007 |
309.1 |
0.370 |
| 2008 |
307.9 |
0.403 |
| 2009 |
306.9 |
0.433 |
| 2010 |
306.0 |
0.459 |
| 2011 |
305.1 |
0.482 |
| 2012 |
304.4 |
0.503 |
| 2013 |
303.7 |
0.521 |
| 2014 |
303.0 |
0.536 |
| 2015 |
302.4 |
0.549 |
| 2016 |
301.8 |
0.561 |
| 2017 |
301.3 |
0.570 |
| 2018 |
300.7 |
0.578 |
| 2019 |
300.2 |
0.584 |
| 2020 |
299.7 |
0.589 |
| 2021 |
299.1 |
0.593 |
| 2022 |
298.6 |
0.595 |
| 2023 |
298.1 |
0.596 |
| 2024 |
297.6 |
0.596 |
| 2025 |
297.1 |
0.594 |
| 2026 |
296.6 |
0.592 |
| 2027 |
296.1 |
0.589 |
| 2028 |
295.5 |
0.585 |
| 2029 |
295.0 |
0.580 |
| 2030 |
294.5 |
0.575 |
| 2031 |
293.9 |
0.568 |
| 2032 |
293.3 |
0.561 |
| 2033 |
292.7 |
0.554 |
| 2034 |
292.1 |
0.545 |
| 2035 |
291.5 |
0.537 |
| 2036 |
290.9 |
0.527 |
| 2037 |
290.2 |
0.517 |
| 2038 |
289.5 |
0.507 |
| 2039 |
288.8 |
0.496 |
| 2040 |
288.0 |
0.485 |
| 2041 |
287.3 |
0.473 |
| 2042 |
286.4 |
0.461 |
| 2043 |
285.5 |
0.449 |
| 2044 |
284.6 |
0.436 |
| 2045 |
283.6 |
0.423 |
| 2046 |
282.6 |
0.410 |
| 2047 |
281.5 |
0.396 |
| 2048 |
280.3 |
0.382 |
| 2049 |
279.0 |
0.369 |
| 2050 |
277.6 |
0.355 |
|
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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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