07480+6018 HU 1247 (HD 62522)
07h 47m 57.25s +60° 17' 46.5" P.A. 181.00 sep 0.2 mag 7.58,8.34 Sp F9V+F9V dist. 38.96 pc (127.09 l.y.)
Coord 2000 |
07480+6018 |
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Discov num |
HU 1247 |
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Comp |
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Coord arcsec 2000 |
07 47 57.25 +60 17 46.5 |
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Date first |
1900 |
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Date last |
2015 |
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Obs |
64 |
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Pa first |
36 |
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Pa last |
181.2 |
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P.A. Now (θ) |
272.9° |
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Sep first |
0.2 |
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Sep last |
0.164 |
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Sep. Now (ρ) |
0.246" |
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Mag pri |
7.58 |
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Mag sec |
8.34 |
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delta mag (ΔM) |
0.76 |
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Spectral class |
F9V+F9V (yellow-white/yellow-white) |
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Pri motion ra |
-042 |
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Sec motion ra |
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Pri motion dec |
-075 |
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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 62522 |
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Constellation |
Camelopardalis |
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SAO |
14330 |
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HIP |
38052 |
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Tycho2 |
4113-01085-1 |
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Gaia DR2 |
1083113137698970496 |
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HD |
62522 |
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GC |
10468 |
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ADS |
6354 |
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BD |
BD+60 1082 |
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Distance |
38.96 |
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Distance ly |
127.09 |
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ORBITAL ELEMENTS
Period (P) | 18.755y | ± 0.048 |
Periastron (T) | 1990.722y | ± 0.016 |
Semi-major axis (a) | 0.2235a | ± 0.0012 |
Eccentricity (e) | 0.4762 | ± 0.0038 |
Inclination (i) | 122.59° | ± 0.34 |
Longitude of periastron (ω) | 288.95° | ± 0.53 |
Node (Ω) | 72.02° | ± 0.48 |
Notes | n | |
Reference | Hrt1996a | |
Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
310.7 |
0.198 |
2001 |
299.9 |
0.214 |
2002 |
290.7 |
0.229 |
2003 |
282.4 |
0.240 |
2004 |
274.8 |
0.246 |
2005 |
267.2 |
0.243 |
2006 |
259.1 |
0.227 |
2007 |
248.9 |
0.193 |
2008 |
231.9 |
0.135 |
2009 |
179.5 |
0.068 |
2010 |
96.3 |
0.103 |
2011 |
69.2 |
0.155 |
2012 |
52.7 |
0.174 |
2013 |
37.9 |
0.175 |
2014 |
22.6 |
0.170 |
2015 |
6.4 |
0.166 |
2016 |
349.8 |
0.167 |
2017 |
334.1 |
0.174 |
2018 |
320.0 |
0.186 |
2019 |
307.9 |
0.202 |
2020 |
297.5 |
0.218 |
2021 |
288.6 |
0.232 |
2022 |
280.5 |
0.242 |
2023 |
272.9 |
0.246 |
2024 |
265.3 |
0.240 |
2025 |
256.8 |
0.220 |
2026 |
245.7 |
0.181 |
2027 |
224.9 |
0.117 |
2028 |
153.2 |
0.064 |
2029 |
87.2 |
0.119 |
2030 |
64.7 |
0.162 |
2031 |
49.0 |
0.175 |
2032 |
34.2 |
0.174 |
2033 |
18.7 |
0.168 |
2034 |
2.3 |
0.165 |
2035 |
345.9 |
0.168 |
2036 |
330.4 |
0.176 |
2037 |
316.8 |
0.190 |
2038 |
305.2 |
0.206 |
2039 |
295.2 |
0.222 |
2040 |
286.5 |
0.235 |
2041 |
278.6 |
0.244 |
2042 |
271.1 |
0.246 |
2043 |
263.4 |
0.237 |
2044 |
254.5 |
0.213 |
2045 |
242.0 |
0.168 |
2046 |
215.3 |
0.099 |
2047 |
128.3 |
0.071 |
2048 |
80.3 |
0.133 |
2049 |
60.6 |
0.167 |
2050 |
45.4 |
0.175 |
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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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