04349+3908 HU 1082 (HD 276666)
04h 34m 53.12s +39° 08' 30.2" P.A. 189.00 sep 0.2 mag 9.50,10.08 Sp K5 dist. 37.29 pc (121.64 l.y.)
Coord 2000 |
04349+3908 |
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Discov num |
HU 1082 |
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Comp |
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Coord arcsec 2000 |
04 34 53.12 +39 08 30.2 |
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Date first |
1904 |
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Date last |
2016 |
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Obs |
38 |
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Pa first |
160 |
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Pa last |
189 |
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P.A. Now (θ) |
302.2° |
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Sep first |
0.3 |
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Sep last |
0.244 |
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Sep. Now (ρ) |
0.091" |
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Mag pri |
9.50 |
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Mag sec |
10.08 |
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delta mag (ΔM) |
0.58 |
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Spectral class |
K5 (yellow-orange) |
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Pri motion ra |
-078 |
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Sec motion ra |
-078 |
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Pri motion dec |
-094 |
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Sec motion dec |
-094 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 276666 |
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Constellation |
Perseus |
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SAO |
57317 |
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HIP |
21352 |
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Tycho2 |
2880-00604-1 |
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HD |
276666 |
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ADS |
3303 |
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GL |
NN 3299A |
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BD |
BD+38 912 |
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Distance |
37.29 |
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Distance ly |
121.64 |
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ORBITAL ELEMENTS
Period (P) | 53.17y | |
Periastron (T) | 2023.24y | |
Semi-major axis (a) | 0.362a | |
Eccentricity (e) | 0.746 | |
Inclination (i) | 48.9° | |
Longitude of periastron (ω) | 216.3° | |
Node (Ω) | 108.9° | |
Notes | | |
Reference | Doc2020f | |
Equinox | | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
138.9 |
0.542 |
2001 |
140.2 |
0.533 |
2002 |
141.6 |
0.522 |
2003 |
143.1 |
0.510 |
2004 |
144.6 |
0.497 |
2005 |
146.2 |
0.483 |
2006 |
148.0 |
0.467 |
2007 |
149.8 |
0.451 |
2008 |
151.8 |
0.433 |
2009 |
154.0 |
0.414 |
2010 |
156.3 |
0.394 |
2011 |
159.0 |
0.373 |
2012 |
161.9 |
0.351 |
2013 |
165.3 |
0.327 |
2014 |
169.2 |
0.303 |
2015 |
173.9 |
0.278 |
2016 |
179.4 |
0.251 |
2017 |
186.3 |
0.225 |
2018 |
195.0 |
0.199 |
2019 |
206.2 |
0.174 |
2020 |
221.1 |
0.151 |
2021 |
240.7 |
0.132 |
2022 |
266.1 |
0.116 |
2023 |
302.2 |
0.091 |
2024 |
10.0 |
0.071 |
2025 |
61.7 |
0.115 |
2026 |
80.9 |
0.175 |
2027 |
90.6 |
0.229 |
2028 |
96.8 |
0.276 |
2029 |
101.2 |
0.317 |
2030 |
104.6 |
0.354 |
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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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