00089+2050 BEU 1
00h 08m 53.91s +20° 50' 25.2" P.A. 43.00 sep 0.1 mag 12.70,14.30 Sp M5V
| Coord 2000 |
00089+2050 |
|
Discov num |
BEU 1 |
|
Comp |
|
|
Coord arcsec 2000 |
00 08 53.91 +20 50 25.2 |
|
| Date first |
2001 |
|
Date last |
2021 |
|
Obs |
13 |
|
| Pa first |
170 |
|
Pa last |
43 |
|
P.A. Now (θ) |
320.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.143 |
|
Sep. Now (ρ) |
0.131" |
|
| Mag pri |
12.70 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
M5V (red) |
|
| Pri motion ra |
-049 |
|
Sec motion ra |
|
|
| Pri motion dec |
-260 |
|
Sec motion dec |
|
|
| Notes |
N
O
R
(See Notes, Orbital solution, Red magnitudes) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
2798766647610195456 |
|
ORBITAL ELEMENTS
| Period (P) | 5.918y | ± 0.017 |
Periastron (T) | 2018.92y | ± 0.17 |
Semi-major axis (a) | 0.144a | ± 0.005 |
| Eccentricity (e) | 0.105 | ± 0.023 |
Inclination (i) | 145.7° | ± 3.3 |
Longitude of periastron (ω) | 240.4° | ± 17.2 |
| Node (Ω) | 83.6° | ± 6.6 |
Notes | n | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
282.3 |
0.137 |
| 2001 |
221.2 |
0.117 |
| 2002 |
137.3 |
0.119 |
| 2003 |
81.5 |
0.151 |
| 2004 |
34.7 |
0.141 |
| 2005 |
335.9 |
0.129 |
| 2006 |
277.8 |
0.137 |
| 2007 |
214.9 |
0.115 |
| 2008 |
131.4 |
0.122 |
| 2009 |
77.8 |
0.152 |
| 2010 |
30.4 |
0.140 |
| 2011 |
330.9 |
0.130 |
| 2012 |
273.3 |
0.137 |
| 2013 |
208.3 |
0.112 |
| 2014 |
125.9 |
0.125 |
| 2015 |
74.1 |
0.152 |
| 2016 |
26.0 |
0.138 |
| 2017 |
325.8 |
0.130 |
| 2018 |
268.8 |
0.136 |
| 2019 |
201.4 |
0.110 |
| 2020 |
120.6 |
0.129 |
| 2021 |
70.4 |
0.152 |
| 2022 |
21.5 |
0.136 |
| 2023 |
320.8 |
0.131 |
| 2024 |
264.2 |
0.136 |
| 2025 |
194.4 |
0.109 |
| 2026 |
115.6 |
0.132 |
| 2027 |
66.7 |
0.152 |
| 2028 |
16.8 |
0.135 |
| 2029 |
315.9 |
0.132 |
| 2030 |
259.5 |
0.134 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
