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 |
|
Discov num |
RST5524 |
|
Comp |
|
|
Coord arcsec 2000 |
11 44 04.12 -04 48 25.8 |
|
| Date first |
1951 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
341 |
|
Pa last |
189.5 |
|
P.A. Now (θ) |
189.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.22 |
|
Sep. Now (ρ) |
0.22" |
|
| Mag pri |
8.90 |
|
Mag sec |
8.90 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
-044 |
|
Sec motion ra |
|
|
| Pri motion dec |
-042 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 101969 |
|
Constellation |
Virgo |
|
SAO |
138378 |
|
HIP |
57232 |
|
| Tycho2 |
4934-01281-1 |
|
HD |
101969 |
|
BD |
BD-03 3167 |
|
Distance |
135.69 |
|
| Distance ly |
442.62 |
|
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 |
|
|
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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WDS 11441-0448 RST 5524 (HD 101969) : NOTES
| discov_num |
notes |
refcode |
| RST5524 |
Obviously in rapid motion, but the measures are insufficient to define |
|
|
the nature of the motion. |
|
|
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 2.56 +/- 0.88, 2.89, and 1.25 Msun, respectively. |
Mlk2012 |
REFERENCES
| refcode |
metd |
author |
reference |
| Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
| Mlk2012 |
|
A&A 546, A69, 2012 |
|
| Msn2009 |
S+ j |
Mason, B.D., Hartkopf, W.I., Gies, D.R., Henry, T.J., & Helsel, J.W. |
2009AJ....137.3358M |
| Msn2009 |
+orb |
AJ 137, 3358, 2009 |
|
| Msn2009 |
+lin |
|
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
RST |
Rossiter, R.A. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 11441-0448 |
RST5524 |
|
2006 |
11 |
167 |
0.2 |
8.90 |
8.90 |
F4V |
NO |
114404.12-044825.8 |
| 11441-0448 |
RST5524 |
|
2009 |
13 |
174 |
0.2 |
8.90 |
8.90 |
F4V |
NO |
114404.12-044825.8 |
| 11441-0448 |
RST5524 |
|
2014 |
14 |
183 |
0.2 |
8.90 |
8.90 |
F4V |
NO |
114404.12-044825.8 |
| 11441-0448 |
RST5524 |
|
2015 |
15 |
185 |
0.2 |
8.90 |
8.90 |
F4V |
NO |
114404.12-044825.8 |
| 11441-0448 |
RST5524 |
|
2018 |
16 |
190 |
0.2 |
8.90 |
8.90 |
F4V |
NO |
114404.12-044825.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11441-0448 RST 5524 (HD 101969) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11441-0448 RST 5524 (HD 101969) : MEASURES
No records found.
WDS 11441-0448 (HD 101969) : VIRTUAL EYEPIECE
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WDS 11441-0448 (HD 101969) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
