07013-0906 A 671
07h 01m 16.54s -09° 06' 08.1" P.A. 186.00 sep 0.4 mag 9.80,9.90 Sp F5
| Coord 2000 |
07013-0906 |
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Discov num |
A 671 |
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Comp |
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Coord arcsec 2000 |
07 01 16.54 -09 06 08.1 |
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| Date first |
1904 |
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Date last |
2018 |
|
Obs |
18 |
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| Pa first |
156 |
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Pa last |
186.2 |
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P.A. Now (θ) |
186.2° |
|
| Sep first |
0.4 |
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Sep last |
0.351 |
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Sep. Now (ρ) |
0.351" |
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| Mag pri |
9.80 |
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Mag sec |
9.90 |
|
delta mag (ΔM) |
0.1 |
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Spectral class |
F5 (yellow-white) |
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| Pri motion ra |
-019 |
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Sec motion ra |
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| Pri motion dec |
+001 |
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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
| Constellation |
Monoceros |
|
Tycho2 |
5380-02140-1 |
|
ADS |
5703 |
|
ORBITAL ELEMENTS
| Period (P) | 159.49y | ± 3.5 |
Periastron (T) | 1965.15y | ± 2.85 |
Semi-major axis (a) | 0.314a | ± 0.015 |
| Eccentricity (e) | 0.741 | ± 0.03 |
Inclination (i) | 132.4° | ± 2.6 |
Longitude of periastron (ω) | 115.2° | ± 4.8 |
| Node (Ω) | 112.3° | ± 4.7 |
Notes | | |
Reference | Doc2018l | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
204.7 |
0.282 |
| 2001 |
203.4 |
0.286 |
| 2002 |
202.2 |
0.290 |
| 2003 |
201.0 |
0.294 |
| 2004 |
199.9 |
0.298 |
| 2005 |
198.7 |
0.302 |
| 2006 |
197.6 |
0.305 |
| 2007 |
196.6 |
0.309 |
| 2008 |
195.5 |
0.313 |
| 2009 |
194.5 |
0.316 |
| 2010 |
193.5 |
0.320 |
| 2011 |
192.5 |
0.323 |
| 2012 |
191.6 |
0.327 |
| 2013 |
190.7 |
0.330 |
| 2014 |
189.7 |
0.333 |
| 2015 |
188.8 |
0.337 |
| 2016 |
188.0 |
0.340 |
| 2017 |
187.1 |
0.343 |
| 2018 |
186.2 |
0.346 |
| 2019 |
185.4 |
0.349 |
| 2020 |
184.6 |
0.352 |
| 2021 |
183.8 |
0.355 |
| 2022 |
183.0 |
0.358 |
| 2023 |
182.2 |
0.361 |
| 2024 |
181.5 |
0.364 |
| 2025 |
180.7 |
0.366 |
| 2026 |
179.9 |
0.369 |
| 2027 |
179.2 |
0.372 |
| 2028 |
178.5 |
0.374 |
| 2029 |
177.8 |
0.377 |
| 2030 |
177.1 |
0.379 |
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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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