06502+3624 COU 1738 (HD 49472)
06h 50m 14.13s +36° 24' 07.0" P.A. 184.00 sep 0.2 mag 8.99,8.51 Sp A2 dist. 173.31 pc (565.34 l.y.)
Coord 2000 |
06502+3624 |
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Discov num |
COU1738 |
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Comp |
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Coord arcsec 2000 |
06 50 14.13 +36 24 07.0 |
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Date first |
1980 |
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Date last |
2015 |
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Obs |
23 |
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Pa first |
75 |
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Pa last |
184.4 |
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P.A. Now (θ) |
184.4° |
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Sep first |
0.1 |
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Sep last |
0.184 |
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Sep. Now (ρ) |
0.184" |
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Mag pri |
8.99 |
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Mag sec |
8.51 |
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delta mag (ΔM) |
0.48 |
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Spectral class |
A2 (white) |
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Pri motion ra |
-015 |
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Sec motion ra |
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Pri motion dec |
-030 |
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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 49472 |
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Constellation |
Auriga |
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SAO |
59529 |
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HIP |
32798 |
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Tycho2 |
2448-00248-1 |
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Gaia DR2 |
940630479576084608 |
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HD |
49472 |
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BD |
BD+36 1511 |
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Distance |
173.31 |
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Distance ly |
565.34 |
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ORBITAL ELEMENTS
Period (P) | 270y | |
Periastron (T) | 2038.58y | |
Semi-major axis (a) | 0.354a | |
Eccentricity (e) | 0.478 | |
Inclination (i) | 73.1° | |
Longitude of periastron (ω) | 212.9° | |
Node (Ω) | 23.6° | |
Notes | | |
Reference | Doc2018c | |
Equinox | 2000 | |
Last observation | 2013 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
156.7 |
0.123 |
2001 |
159.4 |
0.126 |
2002 |
162.0 |
0.129 |
2003 |
164.5 |
0.133 |
2004 |
166.9 |
0.137 |
2005 |
169.1 |
0.141 |
2006 |
171.2 |
0.145 |
2007 |
173.2 |
0.149 |
2008 |
175.0 |
0.153 |
2009 |
176.8 |
0.157 |
2010 |
178.5 |
0.161 |
2011 |
180.1 |
0.164 |
2012 |
181.7 |
0.168 |
2013 |
183.2 |
0.172 |
2014 |
184.6 |
0.176 |
2015 |
185.9 |
0.179 |
2016 |
187.2 |
0.182 |
2017 |
188.5 |
0.186 |
2018 |
189.7 |
0.188 |
2019 |
190.9 |
0.191 |
2020 |
192.1 |
0.193 |
2021 |
193.2 |
0.196 |
2022 |
194.3 |
0.197 |
2023 |
195.4 |
0.199 |
2024 |
196.4 |
0.200 |
2025 |
197.5 |
0.200 |
2026 |
198.6 |
0.200 |
2027 |
199.6 |
0.200 |
2028 |
200.7 |
0.199 |
2029 |
201.8 |
0.198 |
2030 |
202.9 |
0.196 |
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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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