00205+4531 A 647 (HD 1614)
00h 20m 33.00s +45° 30' 32.2" P.A. 96.00 sep 0.7 mag 7.17,9.56 Sp F5 dist. 114.03 pc (371.97 l.y.)
| Coord 2000 |
00205+4531 |
|
Discov num |
A 647 |
|
Comp |
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Coord arcsec 2000 |
00 20 33.00 +45 30 32.2 |
|
| Date first |
1904 |
|
Date last |
2014 |
|
Obs |
41 |
|
| Pa first |
216 |
|
Pa last |
96.3 |
|
P.A. Now (θ) |
96.3° |
|
| Sep first |
0.7 |
|
Sep last |
0.683 |
|
Sep. Now (ρ) |
0.683" |
|
| Mag pri |
7.17 |
|
Mag sec |
9.56 |
|
delta mag (ΔM) |
2.39 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+064 |
|
Sec motion ra |
+064 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-018 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 1614 |
|
Constellation |
Andromeda |
|
SAO |
36280 |
|
HIP |
1642 |
|
| Tycho2 |
3247-00013-1 |
|
Gaia DR2 |
391885121171018624 |
|
HD |
1614 |
|
GC |
411 |
|
| ADS |
277 |
|
BD |
BD+44 62 |
|
Distance |
114.03 |
|
Distance ly |
371.97 |
|
ORBITAL ELEMENTS
| Period (P) | 372.7y | |
Periastron (T) | 1876.01y | |
Semi-major axis (a) | 0.947a | |
| Eccentricity (e) | 0.292 | |
Inclination (i) | 122° | |
Longitude of periastron (ω) | 136.8° | |
| Node (Ω) | 39.4° | |
Notes | | |
Reference | Pru2008 | |
| Equinox | 2000 | |
Last observation | 2006 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
110.2 |
0.625 |
| 2001 |
109.1 |
0.630 |
| 2002 |
108.0 |
0.634 |
| 2003 |
106.9 |
0.639 |
| 2004 |
105.8 |
0.644 |
| 2005 |
104.8 |
0.649 |
| 2006 |
103.8 |
0.655 |
| 2007 |
102.7 |
0.660 |
| 2008 |
101.7 |
0.665 |
| 2009 |
100.8 |
0.671 |
| 2010 |
99.8 |
0.677 |
| 2011 |
98.8 |
0.682 |
| 2012 |
97.9 |
0.688 |
| 2013 |
97.0 |
0.694 |
| 2014 |
96.1 |
0.700 |
| 2015 |
95.2 |
0.706 |
| 2016 |
94.3 |
0.712 |
| 2017 |
93.5 |
0.718 |
| 2018 |
92.6 |
0.724 |
| 2019 |
91.8 |
0.730 |
| 2020 |
91.0 |
0.737 |
| 2021 |
90.2 |
0.743 |
| 2022 |
89.4 |
0.749 |
| 2023 |
88.6 |
0.756 |
| 2024 |
87.8 |
0.762 |
| 2025 |
87.1 |
0.768 |
| 2026 |
86.4 |
0.775 |
| 2027 |
85.6 |
0.781 |
| 2028 |
84.9 |
0.788 |
| 2029 |
84.2 |
0.794 |
| 2030 |
83.5 |
0.801 |
| 2031 |
82.9 |
0.807 |
| 2032 |
82.2 |
0.814 |
| 2033 |
81.5 |
0.820 |
| 2034 |
80.9 |
0.827 |
| 2035 |
80.2 |
0.833 |
| 2036 |
79.6 |
0.840 |
| 2037 |
79.0 |
0.846 |
| 2038 |
78.4 |
0.852 |
| 2039 |
77.8 |
0.859 |
| 2040 |
77.2 |
0.865 |
| 2041 |
76.6 |
0.871 |
| 2042 |
76.0 |
0.878 |
| 2043 |
75.5 |
0.884 |
| 2044 |
74.9 |
0.890 |
| 2045 |
74.4 |
0.897 |
| 2046 |
73.8 |
0.903 |
| 2047 |
73.3 |
0.909 |
| 2048 |
72.8 |
0.915 |
| 2049 |
72.2 |
0.921 |
| 2050 |
71.7 |
0.927 |
|
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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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