01197+1209 CHR 196 (HD 8018)
01h 19m 42.79s +12° 08' 44.9" P.A. 270.00 sep 0.0 mag 8.67,9.25 Sp F5 dist. 121.36 pc (395.88 l.y.)
| Coord 2000 |
01197+1209 |
|
Discov num |
CHR 196 |
|
Comp |
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Coord arcsec 2000 |
01 19 42.79 +12 08 44.9 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
18 |
|
| Pa first |
316 |
|
Pa last |
269.6 |
|
P.A. Now (θ) |
132.3° |
|
| Sep first |
0.2 |
|
Sep last |
0.035 |
|
Sep. Now (ρ) |
0.004" |
|
| Mag pri |
8.67 |
|
Mag sec |
9.25 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
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|
| Pri motion dec |
-004 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 8018 |
|
Constellation |
Pisces |
|
SAO |
92369 |
|
HIP |
6216 |
|
| Tycho2 |
0616-00653-1 |
|
Gaia DR2 |
2586575098316648192 |
|
HD |
8018 |
|
BD |
BD+11 167 |
|
| Distance |
121.36 |
|
Distance ly |
395.88 |
|
ORBITAL ELEMENTS
| Period (P) | 44.7y | |
Periastron (T) | 2023y | |
Semi-major axis (a) | 0.158a | |
| Eccentricity (e) | 0.95 | |
Inclination (i) | 101.9° | |
Longitude of periastron (ω) | 61.7° | |
| Node (Ω) | 153.3° | |
Notes | | |
Reference | Tok2018i | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
312.7 |
0.158 |
| 2001 |
312.2 |
0.155 |
| 2002 |
311.6 |
0.152 |
| 2003 |
311.0 |
0.149 |
| 2004 |
310.4 |
0.145 |
| 2005 |
309.8 |
0.141 |
| 2006 |
309.1 |
0.136 |
| 2007 |
308.4 |
0.131 |
| 2008 |
307.6 |
0.125 |
| 2009 |
306.7 |
0.119 |
| 2010 |
305.8 |
0.113 |
| 2011 |
304.7 |
0.107 |
| 2012 |
303.5 |
0.099 |
| 2013 |
302.1 |
0.092 |
| 2014 |
300.4 |
0.084 |
| 2015 |
298.4 |
0.076 |
| 2016 |
295.8 |
0.067 |
| 2017 |
292.5 |
0.058 |
| 2018 |
287.8 |
0.048 |
| 2019 |
280.8 |
0.038 |
| 2020 |
268.9 |
0.028 |
| 2021 |
245.5 |
0.020 |
| 2022 |
202.4 |
0.016 |
| 2023 |
132.3 |
0.004 |
| 2024 |
328.2 |
0.056 |
| 2025 |
325.4 |
0.081 |
| 2026 |
323.8 |
0.098 |
| 2027 |
322.6 |
0.112 |
| 2028 |
321.7 |
0.123 |
| 2029 |
320.9 |
0.132 |
| 2030 |
320.2 |
0.139 |
|
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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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