00209+1059 BU 1093 (HD 1663)
00h 20m 54.59s +10° 58' 36.8" P.A. 119.00 sep 0.8 mag 6.73,8.55 Sp A0V dist. 310.56 pc (1013.05 l.y.)
Coord 2000 |
00209+1059 |
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Discov num |
BU 1093 |
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Comp |
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Coord arcsec 2000 |
00 20 54.59 +10 58 36.8 |
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Date first |
1889 |
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Date last |
2016 |
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Obs |
110 |
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Pa first |
54 |
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Pa last |
119.1 |
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P.A. Now (θ) |
119.1° |
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Sep first |
0.4 |
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Sep last |
0.777 |
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Sep. Now (ρ) |
0.777" |
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Mag pri |
6.73 |
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Mag sec |
8.55 |
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delta mag (ΔM) |
1.82 |
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Spectral class |
A0V (white) |
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Pri motion ra |
-040 |
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Sec motion ra |
-040 |
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Pri motion dec |
-029 |
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Sec motion dec |
-029 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 1663 |
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Constellation |
Pisces |
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SAO |
91858 |
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HIP |
1670 |
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Tycho2 |
0599-01370-1 |
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Gaia DR2 |
2754299652899648768 |
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HD |
1663 |
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HR |
81 |
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GC |
419 |
|
ADS |
287 |
|
BD |
BD+10 32 |
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Distance |
310.56 |
|
Distance ly |
1013.05 |
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ORBITAL ELEMENTS
Period (P) | 471y | |
Periastron (T) | 1844.26y | |
Semi-major axis (a) | 0.545a | |
Eccentricity (e) | 0.517 | |
Inclination (i) | 42.4° | |
Longitude of periastron (ω) | 181.6° | |
Node (Ω) | 132.3° | |
Notes | | |
Reference | Lin2010c | |
Equinox | 2000 | |
Last observation | 2005 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
115.3 |
0.731 |
2001 |
115.6 |
0.733 |
2002 |
115.9 |
0.736 |
2003 |
116.1 |
0.738 |
2004 |
116.4 |
0.741 |
2005 |
116.6 |
0.743 |
2006 |
116.9 |
0.745 |
2007 |
117.2 |
0.747 |
2008 |
117.4 |
0.750 |
2009 |
117.7 |
0.752 |
2010 |
117.9 |
0.754 |
2011 |
118.2 |
0.756 |
2012 |
118.4 |
0.758 |
2013 |
118.7 |
0.760 |
2014 |
118.9 |
0.762 |
2015 |
119.2 |
0.764 |
2016 |
119.4 |
0.766 |
2017 |
119.7 |
0.768 |
2018 |
119.9 |
0.770 |
2019 |
120.1 |
0.772 |
2020 |
120.4 |
0.774 |
2021 |
120.6 |
0.776 |
2022 |
120.9 |
0.777 |
2023 |
121.1 |
0.779 |
2024 |
121.3 |
0.781 |
2025 |
121.6 |
0.783 |
2026 |
121.8 |
0.784 |
2027 |
122.0 |
0.786 |
2028 |
122.3 |
0.787 |
2029 |
122.5 |
0.789 |
2030 |
122.7 |
0.791 |
2031 |
123.0 |
0.792 |
2032 |
123.2 |
0.794 |
2033 |
123.4 |
0.795 |
2034 |
123.6 |
0.796 |
2035 |
123.9 |
0.798 |
2036 |
124.1 |
0.799 |
2037 |
124.3 |
0.800 |
2038 |
124.5 |
0.802 |
2039 |
124.8 |
0.803 |
2040 |
125.0 |
0.804 |
2041 |
125.2 |
0.805 |
2042 |
125.4 |
0.806 |
2043 |
125.6 |
0.807 |
2044 |
125.9 |
0.809 |
2045 |
126.1 |
0.810 |
2046 |
126.3 |
0.811 |
2047 |
126.5 |
0.812 |
2048 |
126.7 |
0.813 |
2049 |
127.0 |
0.813 |
2050 |
127.2 |
0.814 |
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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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