07039+5242 BEU 8
07h 03m 55.95s +52° 42' 03.7" P.A. 336.00 sep 0.2 mag 13.90,14.20 Sp M4.7V+M5V
| Coord 2000 |
07039+5242 |
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Discov num |
BEU 8 |
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Comp |
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Coord arcsec 2000 |
07 03 55.95 +52 42 03.7 |
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| Date first |
2000 |
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Date last |
2016 |
|
Obs |
22 |
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| Pa first |
5 |
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Pa last |
335.5 |
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P.A. Now (θ) |
6.2° |
|
| Sep first |
0.1 |
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Sep last |
0.165 |
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Sep. Now (ρ) |
0.144" |
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| Mag pri |
13.90 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
0.3 |
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Spectral class |
M4.7V+M5V (red/red) |
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| Pri motion ra |
+679 |
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Sec motion ra |
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| Pri motion dec |
-915 |
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Sec motion dec |
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| Notes |
N
(See Notes) |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 3.286y | ± 0.0014 |
Periastron (T) | 58535d (2019.139y) | ± 4.9 |
Semi-major axis (a) | 156.38m | ± 0.29 |
| Eccentricity (e) | 0.2231 | ± 0.0045 |
Inclination (i) | 131.76° | ± 0.53 |
Longitude of periastron (ω) | 73.73° | ± 0.43 |
| Node (Ω) | 173.93° | ± 0.84 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | 2016 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
6.0 |
0.144 |
| 2001 |
293.9 |
0.137 |
| 2002 |
194.7 |
0.146 |
| 2003 |
39.7 |
0.101 |
| 2004 |
317.3 |
0.155 |
| 2005 |
219.6 |
0.136 |
| 2006 |
106.4 |
0.084 |
| 2007 |
336.5 |
0.165 |
| 2008 |
249.0 |
0.126 |
| 2009 |
155.9 |
0.122 |
| 2010 |
355.2 |
0.157 |
| 2011 |
280.0 |
0.130 |
| 2012 |
183.0 |
0.145 |
| 2013 |
20.0 |
0.124 |
| 2014 |
306.4 |
0.146 |
| 2015 |
206.7 |
0.142 |
| 2016 |
69.9 |
0.084 |
| 2017 |
327.3 |
0.162 |
| 2018 |
233.8 |
0.130 |
| 2019 |
136.1 |
0.102 |
| 2020 |
345.7 |
0.164 |
| 2021 |
264.8 |
0.126 |
| 2022 |
170.7 |
0.137 |
| 2023 |
6.2 |
0.144 |
| 2024 |
294.1 |
0.137 |
| 2025 |
194.8 |
0.146 |
| 2026 |
40.0 |
0.101 |
| 2027 |
317.5 |
0.155 |
| 2028 |
219.7 |
0.136 |
| 2029 |
106.9 |
0.085 |
| 2030 |
336.6 |
0.165 |
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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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