23199+2844 COU 439 AB
23h 19m 51.55s +28° 43' 49.4" P.A. 10.00 sep 0.2 mag 9.24,9.94 Sp F8 dist. 183.15 pc (597.44 l.y.)
| Coord 2000 |
23199+2844 |
|
Discov num |
COU 439 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 19 51.55 +28 43 49.4 |
|
| Date first |
1969 |
|
Date last |
2016 |
|
Obs |
41 |
|
| Pa first |
166 |
|
Pa last |
9.7 |
|
P.A. Now (θ) |
101.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.19 |
|
Sep. Now (ρ) |
0.088" |
|
| Mag pri |
9.24 |
|
Mag sec |
9.94 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-041 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
23199+2844 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
91175 |
23 19 52 +28 43 49 |
COU 439 AB |
2016 |
41 |
10 |
0.2 |
9.24 |
9.94 |
0.70 |
Y |
<=== |
| Show |
|
91175 |
23 19 52 +28 43 49 |
GII 36 AB,C |
2016 |
5 |
137 |
2.5 |
9.20 |
15.50 |
6.30 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
SAO |
91175 |
|
HIP |
115189 |
|
Tycho2 |
2249-01184-1 |
|
| Gaia DR2 |
2845904673894435968 |
|
HD |
219963 |
|
BD |
BD+27 4530 |
|
Distance |
183.15 |
|
| Distance ly |
597.44 |
|
ORBITAL ELEMENTS
| Period (P) | 64.33y | |
Periastron (T) | 1955.87y | |
Semi-major axis (a) | 0.188a | |
| Eccentricity (e) | 0.314 | |
Inclination (i) | 51.4° | |
Longitude of periastron (ω) | 38.1° | |
| Node (Ω) | 13.4° | |
Notes | | |
Reference | Doc2017e | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
263.8 |
0.145 |
| 2001 |
269.6 |
0.140 |
| 2002 |
275.8 |
0.135 |
| 2003 |
282.4 |
0.132 |
| 2004 |
289.3 |
0.129 |
| 2005 |
296.4 |
0.127 |
| 2006 |
303.7 |
0.127 |
| 2007 |
311.0 |
0.127 |
| 2008 |
318.2 |
0.128 |
| 2009 |
325.2 |
0.130 |
| 2010 |
332.0 |
0.133 |
| 2011 |
338.5 |
0.135 |
| 2012 |
344.8 |
0.137 |
| 2013 |
351.0 |
0.139 |
| 2014 |
357.0 |
0.140 |
| 2015 |
3.0 |
0.140 |
| 2016 |
9.0 |
0.138 |
| 2017 |
15.3 |
0.135 |
| 2018 |
22.0 |
0.130 |
| 2019 |
29.3 |
0.123 |
| 2020 |
37.7 |
0.115 |
| 2021 |
47.3 |
0.106 |
| 2022 |
58.6 |
0.098 |
| 2023 |
71.8 |
0.091 |
| 2024 |
86.5 |
0.088 |
| 2025 |
101.7 |
0.088 |
| 2026 |
116.1 |
0.093 |
| 2027 |
128.8 |
0.101 |
| 2028 |
139.3 |
0.111 |
| 2029 |
148.0 |
0.122 |
| 2030 |
155.2 |
0.134 |
| 2031 |
161.1 |
0.146 |
| 2032 |
166.2 |
0.158 |
| 2033 |
170.6 |
0.169 |
| 2034 |
174.5 |
0.179 |
| 2035 |
177.9 |
0.189 |
| 2036 |
181.1 |
0.197 |
| 2037 |
184.0 |
0.205 |
| 2038 |
186.7 |
0.211 |
| 2039 |
189.3 |
0.217 |
| 2040 |
191.7 |
0.222 |
| 2041 |
194.0 |
0.226 |
| 2042 |
196.3 |
0.229 |
| 2043 |
198.5 |
0.231 |
| 2044 |
200.7 |
0.233 |
| 2045 |
202.8 |
0.233 |
| 2046 |
205.0 |
0.233 |
| 2047 |
207.1 |
0.232 |
| 2048 |
209.3 |
0.231 |
| 2049 |
211.5 |
0.228 |
| 2050 |
213.8 |
0.226 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
