01450+2703 COU 750
01h 44m 58.89s +27° 02' 47.6" P.A. 28.00 sep 0.3 mag 9.70,9.70 Sp K2
Coord 2000 |
01450+2703 |
|
Discov num |
COU 750 |
|
Comp |
|
|
Coord arcsec 2000 |
01 44 58.89 +27 02 47.6 |
|
Date first |
1972 |
|
Date last |
2013 |
|
Obs |
16 |
|
Pa first |
50 |
|
Pa last |
28.4 |
|
P.A. Now (θ) |
28.4° |
|
Sep first |
0.2 |
|
Sep last |
0.277 |
|
Sep. Now (ρ) |
0.277" |
|
Mag pri |
9.70 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
+014 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pisces |
|
Tycho2 |
1759-01857-1 |
|
Gaia DR2 |
298661344180380288 |
|
ORBITAL ELEMENTS
Period (P) | 58.18y | |
Periastron (T) | 2000.4y | |
Semi-major axis (a) | 0.356a | |
Eccentricity (e) | 0.752 | |
Inclination (i) | 80.9° | |
Longitude of periastron (ω) | 247.4° | |
Node (Ω) | 23.2° | |
Notes | n | |
Reference | Doc2005c | |
Equinox | 2000 | |
Last observation | 2004 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
211.2 |
0.070 |
2001 |
352.2 |
0.029 |
2002 |
17.0 |
0.111 |
2003 |
21.2 |
0.173 |
2004 |
23.3 |
0.219 |
2005 |
24.7 |
0.255 |
2006 |
25.9 |
0.282 |
2007 |
26.8 |
0.304 |
2008 |
27.7 |
0.321 |
2009 |
28.4 |
0.334 |
2010 |
29.1 |
0.344 |
2011 |
29.8 |
0.352 |
2012 |
30.4 |
0.358 |
2013 |
31.1 |
0.361 |
2014 |
31.7 |
0.363 |
2015 |
32.3 |
0.363 |
2016 |
32.9 |
0.362 |
2017 |
33.6 |
0.360 |
2018 |
34.2 |
0.356 |
2019 |
34.9 |
0.352 |
2020 |
35.5 |
0.346 |
2021 |
36.2 |
0.340 |
2022 |
37.0 |
0.332 |
2023 |
37.7 |
0.324 |
2024 |
38.5 |
0.315 |
2025 |
39.4 |
0.306 |
2026 |
40.3 |
0.296 |
2027 |
41.2 |
0.285 |
2028 |
42.3 |
0.274 |
2029 |
43.4 |
0.262 |
2030 |
44.7 |
0.250 |
2031 |
46.0 |
0.238 |
2032 |
47.6 |
0.225 |
2033 |
49.3 |
0.211 |
2034 |
51.2 |
0.198 |
2035 |
53.5 |
0.184 |
2036 |
56.1 |
0.170 |
2037 |
59.2 |
0.156 |
2038 |
62.8 |
0.143 |
2039 |
67.2 |
0.129 |
2040 |
72.7 |
0.117 |
2041 |
79.3 |
0.105 |
2042 |
87.6 |
0.095 |
2043 |
97.6 |
0.086 |
2044 |
109.4 |
0.081 |
2045 |
122.3 |
0.079 |
2046 |
135.2 |
0.081 |
2047 |
147.0 |
0.086 |
2048 |
157.1 |
0.094 |
2049 |
165.5 |
0.104 |
2050 |
172.4 |
0.115 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|