11441-0448 RST 5524 (HD 101969)
11h 44m 04.12s -04° 48' 25.8" P.A. 190.00 sep 0.2 mag 8.90,8.90 Sp F4V dist. 135.69 pc (442.62 l.y.)
| Coord 2000 |
11441-0448 |
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Discov num |
RST5524 |
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Comp |
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Coord arcsec 2000 |
11 44 04.12 -04 48 25.8 |
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| Date first |
1951 |
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Date last |
2018 |
|
Obs |
16 |
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| Pa first |
341 |
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Pa last |
189.5 |
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P.A. Now (θ) |
189.5° |
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| Sep first |
0.2 |
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Sep last |
0.22 |
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Sep. Now (ρ) |
0.22" |
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| Mag pri |
8.90 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
0 |
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Spectral class |
F4V (yellow-white) |
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| Pri motion ra |
-044 |
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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 |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 101969 |
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Constellation |
Virgo |
|
SAO |
138378 |
|
HIP |
57232 |
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| Tycho2 |
4934-01281-1 |
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HD |
101969 |
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BD |
BD-03 3167 |
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Distance |
135.69 |
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| Distance ly |
442.62 |
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ORBITAL ELEMENTS
| Period (P) | 56.24y | ± 1.92 |
Periastron (T) | 1984.17y | ± 0.81 |
Semi-major axis (a) | 0.148a | ± 0.003 |
| Eccentricity (e) | 0.48 | ± 0.05 |
Inclination (i) | 48.7° | ± 4.4 |
Longitude of periastron (ω) | 336.9° | ± 7.7 |
| Node (Ω) | 15.4° | ± 5.1 |
Notes | n | |
Reference | Msn2009 | |
| Equinox | 2000 | |
Last observation | 2006 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
148.8 |
0.145 |
| 2001 |
152.5 |
0.152 |
| 2002 |
155.8 |
0.160 |
| 2003 |
158.9 |
0.167 |
| 2004 |
161.7 |
0.173 |
| 2005 |
164.3 |
0.179 |
| 2006 |
166.7 |
0.185 |
| 2007 |
169.0 |
0.190 |
| 2008 |
171.2 |
0.195 |
| 2009 |
173.3 |
0.199 |
| 2010 |
175.3 |
0.203 |
| 2011 |
177.3 |
0.206 |
| 2012 |
179.1 |
0.209 |
| 2013 |
181.0 |
0.211 |
| 2014 |
182.8 |
0.212 |
| 2015 |
184.6 |
0.213 |
| 2016 |
186.4 |
0.213 |
| 2017 |
188.2 |
0.212 |
| 2018 |
190.0 |
0.211 |
| 2019 |
191.8 |
0.209 |
| 2020 |
193.7 |
0.207 |
| 2021 |
195.6 |
0.204 |
| 2022 |
197.6 |
0.200 |
| 2023 |
199.7 |
0.195 |
| 2024 |
201.9 |
0.189 |
| 2025 |
204.3 |
0.183 |
| 2026 |
206.8 |
0.176 |
| 2027 |
209.5 |
0.168 |
| 2028 |
212.6 |
0.159 |
| 2029 |
216.0 |
0.149 |
| 2030 |
220.0 |
0.138 |
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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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