17500+0031 A 2186 (HD 162232)
17h 49m 57.04s +00° 30' 43.4" P.A. 252.00 sep 0.3 mag 9.20,9.40 Sp G5 dist. 67.43 pc (219.96 l.y.)
| Coord 2000 |
17500+0031 |
|
Discov num |
A 2186 |
|
Comp |
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Coord arcsec 2000 |
17 49 57.04 +00 30 43.4 |
|
| Date first |
1910 |
|
Date last |
2017 |
|
Obs |
18 |
|
| Pa first |
33 |
|
Pa last |
252.3 |
|
P.A. Now (θ) |
252.3° |
|
| Sep first |
0.2 |
|
Sep last |
0.262 |
|
Sep. Now (ρ) |
0.262" |
|
| Mag pri |
9.20 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
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|
| Pri motion dec |
-008 |
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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
| Name |
HD 162232 |
|
Constellation |
Ophiuchus |
|
SAO |
122800 |
|
HIP |
87272 |
|
| Tycho2 |
0416-01504-1 |
|
Gaia DR2 |
4372475272258881280 |
|
HD |
162232 |
|
ADS |
10819 |
|
| BD |
BD+00 3789 |
|
Distance |
67.43 |
|
Distance ly |
219.96 |
|
ORBITAL ELEMENTS
| Period (P) | 170.75y | |
Periastron (T) | 1902.46y | |
Semi-major axis (a) | 0.535a | |
| Eccentricity (e) | 0.857 | |
Inclination (i) | 97.9° | |
Longitude of periastron (ω) | 274.1° | |
| Node (Ω) | 41.5° | |
Notes | | |
Reference | Zir2013d | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
266.0 |
0.190 |
| 2001 |
264.8 |
0.194 |
| 2002 |
263.7 |
0.197 |
| 2003 |
262.6 |
0.201 |
| 2004 |
261.6 |
0.204 |
| 2005 |
260.6 |
0.208 |
| 2006 |
259.6 |
0.211 |
| 2007 |
258.7 |
0.215 |
| 2008 |
257.8 |
0.219 |
| 2009 |
256.9 |
0.222 |
| 2010 |
256.0 |
0.226 |
| 2011 |
255.2 |
0.229 |
| 2012 |
254.4 |
0.233 |
| 2013 |
253.6 |
0.236 |
| 2014 |
252.9 |
0.240 |
| 2015 |
252.1 |
0.243 |
| 2016 |
251.4 |
0.247 |
| 2017 |
250.7 |
0.250 |
| 2018 |
250.0 |
0.254 |
| 2019 |
249.4 |
0.257 |
| 2020 |
248.8 |
0.260 |
| 2021 |
248.1 |
0.264 |
| 2022 |
247.5 |
0.267 |
| 2023 |
246.9 |
0.270 |
| 2024 |
246.3 |
0.273 |
| 2025 |
245.8 |
0.276 |
| 2026 |
245.2 |
0.279 |
| 2027 |
244.7 |
0.282 |
| 2028 |
244.2 |
0.285 |
| 2029 |
243.6 |
0.288 |
| 2030 |
243.1 |
0.291 |
|
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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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