07061-1843 RST 2453 (HD 53911)
07h 06m 06.09s -18° 42' 40.5" P.A. 171.00 sep 0.1 mag 9.70,9.80 Sp F7V
| Coord 2000 |
07061-1843 |
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Discov num |
RST2453 |
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Comp |
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Coord arcsec 2000 |
07 06 06.09 -18 42 40.5 |
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| Date first |
1935 |
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Date last |
2020 |
|
Obs |
9 |
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| Pa first |
288 |
|
Pa last |
171.4 |
|
P.A. Now (θ) |
171.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.1 |
|
Sep. Now (ρ) |
0.1" |
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| Mag pri |
9.70 |
|
Mag sec |
9.80 |
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delta mag (ΔM) |
0.1 |
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Spectral class |
F7V (yellow-white) |
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| Pri motion ra |
-014 |
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Sec motion ra |
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| Pri motion dec |
-012 |
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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 53911 |
|
Constellation |
Canis Major |
|
SAO |
152381 |
|
Tycho2 |
5968-02827-1 |
|
| Gaia DR2 |
2934193980144888320 |
|
HD |
53911 |
|
ORBITAL ELEMENTS
| Period (P) | 174.7y | |
Periastron (T) | 2061.05y | |
Semi-major axis (a) | 0.189a | |
| Eccentricity (e) | 0.428 | |
Inclination (i) | 110.6° | |
Longitude of periastron (ω) | 239.3° | |
| Node (Ω) | 307.6° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
233.1 |
0.092 |
| 2001 |
230.2 |
0.090 |
| 2002 |
227.3 |
0.089 |
| 2003 |
224.3 |
0.088 |
| 2004 |
221.2 |
0.087 |
| 2005 |
218.1 |
0.086 |
| 2006 |
214.9 |
0.086 |
| 2007 |
211.7 |
0.085 |
| 2008 |
208.4 |
0.085 |
| 2009 |
205.2 |
0.085 |
| 2010 |
202.0 |
0.086 |
| 2011 |
198.8 |
0.086 |
| 2012 |
195.7 |
0.087 |
| 2013 |
192.7 |
0.088 |
| 2014 |
189.7 |
0.089 |
| 2015 |
186.8 |
0.090 |
| 2016 |
184.0 |
0.092 |
| 2017 |
181.2 |
0.093 |
| 2018 |
178.6 |
0.095 |
| 2019 |
176.1 |
0.097 |
| 2020 |
173.6 |
0.099 |
| 2021 |
171.3 |
0.101 |
| 2022 |
169.0 |
0.103 |
| 2023 |
166.9 |
0.105 |
| 2024 |
164.8 |
0.108 |
| 2025 |
162.8 |
0.110 |
| 2026 |
160.9 |
0.112 |
| 2027 |
159.1 |
0.114 |
| 2028 |
157.3 |
0.116 |
| 2029 |
155.6 |
0.119 |
| 2030 |
154.0 |
0.121 |
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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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