05190-2159 RST 2375 (HD 34779)
05h 19m 01.07s -21° 59' 03.0" P.A. 90.00 sep 0.1 mag 8.77,9.58 Sp F3V dist. 150.6 pc (491.26 l.y.)
| Coord 2000 |
05190-2159 |
|
Discov num |
RST2375 |
|
Comp |
|
|
Coord arcsec 2000 |
05 19 01.07 -21 59 03.0 |
|
| Date first |
1935 |
|
Date last |
2020 |
|
Obs |
22 |
|
| Pa first |
240 |
|
Pa last |
90 |
|
P.A. Now (θ) |
90° |
|
| Sep first |
0.2 |
|
Sep last |
0.145 |
|
Sep. Now (ρ) |
0.145" |
|
| Mag pri |
8.77 |
|
Mag sec |
9.58 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 34779 |
|
Constellation |
Lepus |
|
SAO |
170305 |
|
HIP |
24800 |
|
| Tycho2 |
5914-00059-1 |
|
Gaia DR2 |
2962017980872979200 |
|
HD |
34779 |
|
BD |
BD-22 1072 |
|
| CD |
CD-22 2139 |
|
CP |
CP-22 773 |
|
Distance |
150.6 |
|
Distance ly |
491.26 |
|
ORBITAL ELEMENTS
| Period (P) | 161.8y | |
Periastron (T) | 2015.95y | |
Semi-major axis (a) | 0.316a | |
| Eccentricity (e) | 0.313 | |
Inclination (i) | 52° | |
Longitude of periastron (ω) | 264.3° | |
| Node (Ω) | 153.2° | |
Notes | | |
Reference | Msn2019 | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
345.7 |
0.242 |
| 2001 |
348.0 |
0.235 |
| 2002 |
350.4 |
0.228 |
| 2003 |
353.0 |
0.221 |
| 2004 |
355.8 |
0.213 |
| 2005 |
358.7 |
0.205 |
| 2006 |
1.9 |
0.197 |
| 2007 |
5.4 |
0.189 |
| 2008 |
9.2 |
0.181 |
| 2009 |
13.3 |
0.173 |
| 2010 |
17.9 |
0.165 |
| 2011 |
22.9 |
0.158 |
| 2012 |
28.3 |
0.151 |
| 2013 |
34.2 |
0.146 |
| 2014 |
40.5 |
0.141 |
| 2015 |
47.3 |
0.137 |
| 2016 |
54.3 |
0.135 |
| 2017 |
61.6 |
0.134 |
| 2018 |
68.8 |
0.134 |
| 2019 |
75.9 |
0.137 |
| 2020 |
82.7 |
0.140 |
| 2021 |
89.1 |
0.145 |
| 2022 |
95.0 |
0.151 |
| 2023 |
100.5 |
0.157 |
| 2024 |
105.5 |
0.165 |
| 2025 |
110.1 |
0.173 |
| 2026 |
114.3 |
0.181 |
| 2027 |
118.1 |
0.189 |
| 2028 |
121.5 |
0.197 |
| 2029 |
124.7 |
0.206 |
| 2030 |
127.7 |
0.214 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
