04238-0414 BUG 7
04h 23m 48.58s -04° 14' 03.5" P.A. 183.00 sep 0.1 mag 15.80,16.33 Sp L6.5+T2
| Coord 2000 |
04238-0414 |
|
Discov num |
BUG 7 |
|
Comp |
|
|
Coord arcsec 2000 |
04 23 48.58 -04 14 03.5 |
|
| Date first |
2004 |
|
Date last |
2008 |
|
Obs |
4 |
|
| Pa first |
20 |
|
Pa last |
183.1 |
|
P.A. Now (θ) |
183.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.083 |
|
Sep. Now (ρ) |
0.083" |
|
| Mag pri |
15.80 |
|
Mag sec |
16.33 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
L6.5+T2 (very deep red/brown dwarf) |
|
| Pri motion ra |
|
|
Sec motion ra |
|
|
| Pri motion dec |
|
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 12.3y | ± 0.06 |
Periastron (T) | 58977d (2020.349y) | ± 20 |
Semi-major axis (a) | 162.6m | ± 0.5 |
| Eccentricity (e) | 0.27 | ± 0.008 |
Inclination (i) | 65.2° | ± 0.3 |
Longitude of periastron (ω) | 97.5° | ± 0.3 |
| Node (Ω) | 34.33° | ± 0.23 |
Notes | n | |
Reference | Dup2017 | |
| Equinox | | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
253.6 |
0.114 |
| 2001 |
285.0 |
0.090 |
| 2002 |
325.6 |
0.092 |
| 2003 |
354.9 |
0.119 |
| 2004 |
12.4 |
0.149 |
| 2005 |
25.0 |
0.164 |
| 2006 |
37.2 |
0.150 |
| 2007 |
57.2 |
0.099 |
| 2008 |
135.9 |
0.051 |
| 2009 |
198.2 |
0.109 |
| 2010 |
216.4 |
0.148 |
| 2011 |
230.1 |
0.148 |
| 2012 |
247.0 |
0.123 |
| 2013 |
274.0 |
0.095 |
| 2014 |
313.8 |
0.088 |
| 2015 |
347.7 |
0.110 |
| 2016 |
7.9 |
0.141 |
| 2017 |
21.4 |
0.161 |
| 2018 |
33.3 |
0.158 |
| 2019 |
49.3 |
0.118 |
| 2020 |
99.8 |
0.054 |
| 2021 |
188.6 |
0.090 |
| 2022 |
211.9 |
0.141 |
| 2023 |
225.9 |
0.151 |
| 2024 |
241.2 |
0.132 |
| 2025 |
264.3 |
0.103 |
| 2026 |
301.4 |
0.086 |
| 2027 |
339.2 |
0.101 |
| 2028 |
2.9 |
0.132 |
| 2029 |
17.8 |
0.157 |
| 2030 |
29.7 |
0.162 |
| 2031 |
43.4 |
0.134 |
| 2032 |
75.0 |
0.071 |
| 2033 |
173.5 |
0.069 |
| 2034 |
206.9 |
0.130 |
| 2035 |
221.9 |
0.152 |
| 2036 |
236.1 |
0.140 |
| 2037 |
256.1 |
0.111 |
| 2038 |
289.0 |
0.088 |
| 2039 |
329.2 |
0.094 |
| 2040 |
357.0 |
0.122 |
| 2041 |
13.8 |
0.151 |
| 2042 |
26.1 |
0.164 |
| 2043 |
38.7 |
0.147 |
| 2044 |
60.7 |
0.092 |
| 2045 |
147.5 |
0.053 |
| 2046 |
200.6 |
0.115 |
| 2047 |
217.8 |
0.150 |
| 2048 |
231.6 |
0.146 |
| 2049 |
249.1 |
0.120 |
| 2050 |
277.5 |
0.093 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
