05482+0137 A 2657 (HD 38769)
05h 48m 14.65s +01° 36' 35.1" P.A. 325.00 sep 0.1 mag 7.93,7.91 Sp F0 dist. 176.37 pc (575.32 l.y.)
Coord 2000 |
05482+0137 |
|
Discov num |
A 2657 |
|
Comp |
|
|
Coord arcsec 2000 |
05 48 14.65 +01 36 35.1 |
|
Date first |
1913 |
|
Date last |
2021 |
|
Obs |
42 |
|
Pa first |
126 |
|
Pa last |
324.8 |
|
P.A. Now (θ) |
331.9° |
|
Sep first |
0.2 |
|
Sep last |
0.077 |
|
Sep. Now (ρ) |
0.077" |
|
Mag pri |
7.93 |
|
Mag sec |
7.91 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+012 |
|
Sec motion ra |
|
|
Pri motion dec |
-029 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 38769 |
|
Constellation |
Orion |
|
SAO |
113157 |
|
HIP |
27410 |
|
Tycho2 |
0116-00732-1 |
|
Gaia DR2 |
3219964886216144640 |
|
HD |
38769 |
|
ADS |
4396 |
|
BD |
BD+01 1137 |
|
Distance |
176.37 |
|
Distance ly |
575.32 |
|
ORBITAL ELEMENTS
Period (P) | 60.43y | |
Periastron (T) | 1964.86y | |
Semi-major axis (a) | 0.137a | |
Eccentricity (e) | 0.466 | |
Inclination (i) | 18.9° | |
Longitude of periastron (ω) | 350.4° | |
Node (Ω) | 20.1° | |
Notes | n | |
Reference | Doc2008c | |
Equinox | 2000 | |
Last observation | 1999 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
202.6 |
0.197 |
2001 |
205.0 |
0.195 |
2002 |
207.5 |
0.193 |
2003 |
210.1 |
0.190 |
2004 |
212.7 |
0.187 |
2005 |
215.4 |
0.184 |
2006 |
218.2 |
0.180 |
2007 |
221.2 |
0.176 |
2008 |
224.2 |
0.172 |
2009 |
227.5 |
0.167 |
2010 |
231.0 |
0.162 |
2011 |
234.7 |
0.156 |
2012 |
238.7 |
0.150 |
2013 |
243.0 |
0.144 |
2014 |
247.8 |
0.137 |
2015 |
253.0 |
0.130 |
2016 |
258.9 |
0.123 |
2017 |
265.5 |
0.115 |
2018 |
273.0 |
0.108 |
2019 |
281.7 |
0.100 |
2020 |
291.7 |
0.093 |
2021 |
303.4 |
0.087 |
2022 |
316.8 |
0.081 |
2023 |
331.9 |
0.077 |
2024 |
348.5 |
0.074 |
2025 |
5.9 |
0.073 |
2026 |
23.4 |
0.074 |
2027 |
40.1 |
0.076 |
2028 |
55.6 |
0.080 |
2029 |
69.5 |
0.084 |
2030 |
81.8 |
0.090 |
2031 |
92.6 |
0.096 |
2032 |
102.0 |
0.103 |
2033 |
110.3 |
0.110 |
2034 |
117.5 |
0.117 |
2035 |
123.9 |
0.124 |
2036 |
129.7 |
0.131 |
2037 |
134.9 |
0.138 |
2038 |
139.6 |
0.144 |
2039 |
144.0 |
0.150 |
2040 |
148.0 |
0.156 |
2041 |
151.7 |
0.161 |
2042 |
155.2 |
0.166 |
2043 |
158.5 |
0.171 |
2044 |
161.6 |
0.175 |
2045 |
164.6 |
0.179 |
2046 |
167.4 |
0.183 |
2047 |
170.2 |
0.186 |
2048 |
172.8 |
0.189 |
2049 |
175.4 |
0.192 |
2050 |
177.9 |
0.194 |
|
|

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|

Measures: green=micrometric, blue=interferometric, purple=photographic |
|