04070+3934 COU 1394 (HD 276063)
04h 07m 02.31s +39° 34' 24.9" P.A. 135.00 sep 0.3 mag 9.30,9.30 Sp F2
Coord 2000 |
04070+3934 |
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Discov num |
COU1394 |
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Comp |
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Coord arcsec 2000 |
04 07 02.31 +39 34 24.9 |
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Date first |
1976 |
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Date last |
2009 |
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Obs |
14 |
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Pa first |
96 |
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Pa last |
134.5 |
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P.A. Now (θ) |
134.5° |
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Sep first |
0.2 |
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Sep last |
0.302 |
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Sep. Now (ρ) |
0.302" |
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Mag pri |
9.30 |
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Mag sec |
9.30 |
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delta mag (ΔM) |
0 |
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Spectral class |
F2 (yellow-white) |
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Pri motion ra |
-012 |
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Sec motion ra |
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Pri motion dec |
-011 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 276063 |
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Constellation |
Perseus |
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SAO |
56972 |
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Tycho2 |
2881-00028-1 |
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HD |
276063 |
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ORBITAL ELEMENTS
Period (P) | 192y | |
Periastron (T) | 1975y | |
Semi-major axis (a) | 0.25a | |
Eccentricity (e) | 0 | |
Inclination (i) | 30° | |
Longitude of periastron (ω) | 314.5° | |
Node (Ω) | 135° | |
Notes | | |
Reference | Cou1999b | |
Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
136.2 |
0.250 |
2001 |
137.8 |
0.250 |
2002 |
139.4 |
0.250 |
2003 |
141.1 |
0.250 |
2004 |
142.7 |
0.249 |
2005 |
144.3 |
0.249 |
2006 |
146.0 |
0.249 |
2007 |
147.6 |
0.248 |
2008 |
149.3 |
0.248 |
2009 |
150.9 |
0.247 |
2010 |
152.6 |
0.246 |
2011 |
154.3 |
0.246 |
2012 |
156.0 |
0.245 |
2013 |
157.7 |
0.244 |
2014 |
159.4 |
0.243 |
2015 |
161.1 |
0.242 |
2016 |
162.8 |
0.241 |
2017 |
164.6 |
0.240 |
2018 |
166.4 |
0.239 |
2019 |
168.1 |
0.238 |
2020 |
169.9 |
0.237 |
2021 |
171.7 |
0.236 |
2022 |
173.6 |
0.235 |
2023 |
175.4 |
0.234 |
2024 |
177.3 |
0.233 |
2025 |
179.1 |
0.232 |
2026 |
181.0 |
0.231 |
2027 |
182.9 |
0.230 |
2028 |
184.9 |
0.229 |
2029 |
186.8 |
0.228 |
2030 |
188.8 |
0.227 |
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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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