23382+5514 A 1493 (HD 222186)
23h 38m 09.62s +55° 13' 54.7" P.A. 312.00 sep 0.2 mag 9.35,9.58 Sp A0 dist. 222.72 pc (726.51 l.y.)
| Coord 2000 |
23382+5514 |
|
Discov num |
A 1493 |
|
Comp |
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Coord arcsec 2000 |
23 38 09.62 +55 13 54.7 |
|
| Date first |
1906 |
|
Date last |
2008 |
|
Obs |
33 |
|
| Pa first |
214 |
|
Pa last |
312.4 |
|
P.A. Now (θ) |
279° |
|
| Sep first |
0.2 |
|
Sep last |
0.227 |
|
Sep. Now (ρ) |
0.149" |
|
| Mag pri |
9.35 |
|
Mag sec |
9.58 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
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|
| Pri motion dec |
-002 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 222186 |
|
Constellation |
Cassiopeia |
|
SAO |
35629 |
|
HIP |
116634 |
|
| Tycho2 |
4004-01198-1 |
|
Gaia DR2 |
1997489512992322176 |
|
HD |
222186 |
|
ADS |
16886 |
|
| BD |
BD+54 3017 |
|
Distance |
222.72 |
|
Distance ly |
726.51 |
|
ORBITAL ELEMENTS
| Period (P) | 140.61y | |
Periastron (T) | 1924.24y | |
Semi-major axis (a) | 0.148a | |
| Eccentricity (e) | 0.037 | |
Inclination (i) | 152.5° | |
Longitude of periastron (ω) | 299.9° | |
| Node (Ω) | 106.8° | |
Notes | n | |
Reference | Doc2012g | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
330.5 |
0.144 |
| 2001 |
328.1 |
0.145 |
| 2002 |
325.7 |
0.146 |
| 2003 |
323.4 |
0.146 |
| 2004 |
321.1 |
0.147 |
| 2005 |
318.8 |
0.147 |
| 2006 |
316.5 |
0.148 |
| 2007 |
314.3 |
0.148 |
| 2008 |
312.0 |
0.149 |
| 2009 |
309.8 |
0.149 |
| 2010 |
307.6 |
0.150 |
| 2011 |
305.3 |
0.150 |
| 2012 |
303.1 |
0.150 |
| 2013 |
301.0 |
0.151 |
| 2014 |
298.8 |
0.151 |
| 2015 |
296.6 |
0.151 |
| 2016 |
294.4 |
0.151 |
| 2017 |
292.2 |
0.151 |
| 2018 |
290.0 |
0.151 |
| 2019 |
287.8 |
0.151 |
| 2020 |
285.6 |
0.150 |
| 2021 |
283.4 |
0.150 |
| 2022 |
281.2 |
0.150 |
| 2023 |
279.0 |
0.149 |
| 2024 |
276.8 |
0.149 |
| 2025 |
274.5 |
0.148 |
| 2026 |
272.3 |
0.148 |
| 2027 |
270.0 |
0.147 |
| 2028 |
267.7 |
0.147 |
| 2029 |
265.4 |
0.146 |
| 2030 |
263.0 |
0.145 |
|
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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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