23009+3522 HU 991
23h 00m 55.69s +35° 21' 57.9" P.A. 303.00 sep 0.9 mag 10.23,11.17 Sp K2 dist. 58.79 pc (191.77 l.y.)
Coord 2000 |
23009+3522 |
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Discov num |
HU 991 |
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Comp |
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Coord arcsec 2000 |
23 00 55.69 +35 21 57.9 |
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Date first |
1904 |
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Date last |
2016 |
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Obs |
39 |
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Pa first |
25 |
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Pa last |
303.2 |
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P.A. Now (θ) |
303.2° |
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Sep first |
1.0 |
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Sep last |
0.93 |
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Sep. Now (ρ) |
0.93" |
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Mag pri |
10.23 |
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Mag sec |
11.17 |
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delta mag (ΔM) |
0.94 |
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Spectral class |
K2 (yellow-orange) |
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Pri motion ra |
+063 |
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Sec motion ra |
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Pri motion dec |
-042 |
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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
Constellation |
Andromeda |
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HIP |
113642 |
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Tycho2 |
2758-00283-1 |
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Gaia DR2 |
1915323180841875328 |
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ADS |
16448 |
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BD |
BD+34 4818 |
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Distance |
58.79 |
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Distance ly |
191.77 |
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ORBITAL ELEMENTS
Period (P) | 631.8y | |
Periastron (T) | 1976.85y | |
Semi-major axis (a) | 1.417a | |
Eccentricity (e) | 0.829 | |
Inclination (i) | 44.8° | |
Longitude of periastron (ω) | 48.4° | |
Node (Ω) | 124° | |
Notes | | |
Reference | Sca2017d | |
Equinox | 2000 | |
Last observation | 2017 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
290.1 |
0.630 |
2001 |
291.2 |
0.651 |
2002 |
292.3 |
0.672 |
2003 |
293.2 |
0.693 |
2004 |
294.1 |
0.713 |
2005 |
295.0 |
0.733 |
2006 |
295.8 |
0.752 |
2007 |
296.6 |
0.771 |
2008 |
297.4 |
0.790 |
2009 |
298.1 |
0.809 |
2010 |
298.8 |
0.827 |
2011 |
299.4 |
0.845 |
2012 |
300.0 |
0.862 |
2013 |
300.6 |
0.880 |
2014 |
301.2 |
0.897 |
2015 |
301.8 |
0.914 |
2016 |
302.3 |
0.930 |
2017 |
302.8 |
0.947 |
2018 |
303.3 |
0.963 |
2019 |
303.8 |
0.979 |
2020 |
304.3 |
0.994 |
2021 |
304.7 |
1.010 |
2022 |
305.1 |
1.025 |
2023 |
305.6 |
1.040 |
2024 |
306.0 |
1.054 |
2025 |
306.4 |
1.069 |
2026 |
306.8 |
1.083 |
2027 |
307.2 |
1.098 |
2028 |
307.5 |
1.112 |
2029 |
307.9 |
1.125 |
2030 |
308.2 |
1.139 |
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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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