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 |
|
Discov num |
HU 991 |
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Comp |
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Coord arcsec 2000 |
23 00 55.69 +35 21 57.9 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
39 |
|
| Pa first |
25 |
|
Pa last |
303.2 |
|
P.A. Now (θ) |
303.2° |
|
| Sep first |
1.0 |
|
Sep last |
0.93 |
|
Sep. Now (ρ) |
0.93" |
|
| Mag pri |
10.23 |
|
Mag sec |
11.17 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
K2 (yellow-orange) |
|
| 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 |
|
HIP |
113642 |
|
Tycho2 |
2758-00283-1 |
|
Gaia DR2 |
1915323180841875328 |
|
| ADS |
16448 |
|
BD |
BD+34 4818 |
|
Distance |
58.79 |
|
Distance ly |
191.77 |
|
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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