05276-2055 SEE 53 (HD 35973)
05h 27m 36.39s -20° 54' 57.1" P.A. 116.00 sep 0.3 mag 8.70,8.90 Sp F2V dist. 153.85 pc (501.86 l.y.)
Coord 2000 |
05276-2055 |
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Discov num |
SEE 53 |
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Comp |
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Coord arcsec 2000 |
05 27 36.39 -20 54 57.1 |
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Date first |
1897 |
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Date last |
2019 |
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Obs |
24 |
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Pa first |
32 |
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Pa last |
116.4 |
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P.A. Now (θ) |
120.9° |
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Sep first |
0.3 |
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Sep last |
0.255 |
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Sep. Now (ρ) |
0.253" |
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Mag pri |
8.70 |
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Mag sec |
8.90 |
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delta mag (ΔM) |
0.2 |
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Spectral class |
F2V (yellow-white) |
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Pri motion ra |
-016 |
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Sec motion ra |
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Pri motion dec |
-040 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 35973 |
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Constellation |
Lepus |
|
SAO |
170444 |
|
HIP |
25531 |
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Tycho2 |
5927-00512-1 |
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Gaia DR2 |
2968085395275848448 |
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HD |
35973 |
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BD |
BD-21 1173 |
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Distance |
153.85 |
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Distance ly |
501.86 |
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ORBITAL ELEMENTS
Period (P) | 81.94y | |
Periastron (T) | 1992.59y | |
Semi-major axis (a) | 0.188a | |
Eccentricity (e) | 0.413 | |
Inclination (i) | 11.8° | |
Longitude of periastron (ω) | 35° | |
Node (Ω) | 288° | |
Notes | n | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
36.3 |
0.136 |
2001 |
43.4 |
0.143 |
2002 |
49.9 |
0.150 |
2003 |
55.8 |
0.156 |
2004 |
61.2 |
0.163 |
2005 |
66.2 |
0.170 |
2006 |
70.8 |
0.176 |
2007 |
75.1 |
0.183 |
2008 |
79.1 |
0.189 |
2009 |
82.9 |
0.195 |
2010 |
86.4 |
0.201 |
2011 |
89.8 |
0.206 |
2012 |
93.0 |
0.211 |
2013 |
96.0 |
0.216 |
2014 |
98.9 |
0.221 |
2015 |
101.7 |
0.226 |
2016 |
104.3 |
0.230 |
2017 |
106.9 |
0.234 |
2018 |
109.4 |
0.238 |
2019 |
111.8 |
0.241 |
2020 |
114.1 |
0.244 |
2021 |
116.4 |
0.247 |
2022 |
118.7 |
0.250 |
2023 |
120.9 |
0.253 |
2024 |
123.0 |
0.255 |
2025 |
125.1 |
0.257 |
2026 |
127.2 |
0.258 |
2027 |
129.3 |
0.260 |
2028 |
131.3 |
0.261 |
2029 |
133.3 |
0.262 |
2030 |
135.3 |
0.263 |
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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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