08582+1945 LDS 3836
08h 58m 15.13s +19° 45' 47.1" P.A. 249.00 sep 2.6 mag 13.37,13.37 Sp M5.5V+M6V
Coord 2000 |
08582+1945 |
|
Discov num |
LDS3836 |
|
Comp |
|
|
Coord arcsec 2000 |
08 58 15.13 +19 45 47.1 |
|
Date first |
1960 |
|
Date last |
2021 |
|
Obs |
19 |
|
Pa first |
333 |
|
Pa last |
248.6 |
|
P.A. Now (θ) |
248.6° |
|
Sep first |
4.5 |
|
Sep last |
2.636 |
|
Sep. Now (ρ) |
2.636" |
|
Mag pri |
13.37 |
|
Mag sec |
13.37 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
M5.5V+M6V (red/red) |
|
Pri motion ra |
-847 |
|
Sec motion ra |
-847 |
|
Pri motion dec |
-066 |
|
Sec motion dec |
-066 |
|
Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
Period (P) | 123.6412y | |
Periastron (T) | 2002.2858y | |
Semi-major axis (a) | 3.1449a | |
Eccentricity (e) | 0.4888 | |
Inclination (i) | 38.9225° | |
Longitude of periastron (ω) | 351.5415° | |
Node (Ω) | 139.9971° | |
Notes | n | |
Reference | Kpp2020f | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
115.5 |
1.562 |
2001 |
123.5 |
1.579 |
2002 |
131.2 |
1.596 |
2003 |
138.8 |
1.611 |
2004 |
146.3 |
1.623 |
2005 |
153.7 |
1.633 |
2006 |
160.9 |
1.640 |
2007 |
168.2 |
1.648 |
2008 |
175.3 |
1.657 |
2009 |
182.4 |
1.670 |
2010 |
189.3 |
1.688 |
2011 |
196.1 |
1.714 |
2012 |
202.6 |
1.746 |
2013 |
208.9 |
1.786 |
2014 |
214.9 |
1.834 |
2015 |
220.5 |
1.889 |
2016 |
225.8 |
1.951 |
2017 |
230.8 |
2.018 |
2018 |
235.4 |
2.090 |
2019 |
239.8 |
2.166 |
2020 |
243.8 |
2.245 |
2021 |
247.5 |
2.327 |
2022 |
251.0 |
2.411 |
2023 |
254.2 |
2.496 |
2024 |
257.3 |
2.582 |
2025 |
260.1 |
2.668 |
2026 |
262.8 |
2.754 |
2027 |
265.3 |
2.839 |
2028 |
267.6 |
2.924 |
2029 |
269.9 |
3.008 |
2030 |
272.0 |
3.091 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|