12260-1457 BU 606 (HD 108215)
12h 25m 59.69s -14° 56' 51.8" P.A. 289.00 sep 0.6 mag 7.42,9.39 Sp F4V+G5V dist. 71.07 pc (231.83 l.y.)
Coord 2000 |
12260-1457 |
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Discov num |
BU 606 |
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Comp |
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Coord arcsec 2000 |
12 25 59.69 -14 56 51.8 |
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Date first |
1878 |
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Date last |
2016 |
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Obs |
24 |
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Pa first |
98 |
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Pa last |
289.3 |
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P.A. Now (θ) |
289.3° |
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Sep first |
1.4 |
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Sep last |
0.646 |
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Sep. Now (ρ) |
0.646" |
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Mag pri |
7.42 |
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Mag sec |
9.39 |
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delta mag (ΔM) |
1.97 |
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Spectral class |
F4V+G5V (yellow-white/yellow) |
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Pri motion ra |
-118 |
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Sec motion ra |
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Pri motion dec |
-022 |
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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 108215 |
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Constellation |
Corvus |
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SAO |
157283 |
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HIP |
60665 |
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Tycho2 |
5533-01793-1 |
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Gaia DR2 |
3527541135097360640 |
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HD |
108215 |
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GC |
16949 |
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ADS |
8547 |
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BD |
BD-14 3510 |
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Distance |
71.07 |
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Distance ly |
231.83 |
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ORBITAL ELEMENTS
Period (P) | 707.61y | ± 36.19 |
Periastron (T) | 2009.44y | ± 6.63 |
Semi-major axis (a) | 1.441a | ± 0.188 |
Eccentricity (e) | 0.383 | ± 0.052 |
Inclination (i) | 96.9° | ± 3.9 |
Longitude of periastron (ω) | 123.6° | ± 4.5 |
Node (Ω) | 100.1° | ± 6.3 |
Notes | | |
Reference | FMR2020a | |
Equinox | 2000 | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
296.7 |
0.349 |
2001 |
295.7 |
0.366 |
2002 |
294.9 |
0.382 |
2003 |
294.1 |
0.398 |
2004 |
293.4 |
0.414 |
2005 |
292.8 |
0.430 |
2006 |
292.2 |
0.446 |
2007 |
291.6 |
0.462 |
2008 |
291.1 |
0.478 |
2009 |
290.6 |
0.493 |
2010 |
290.1 |
0.509 |
2011 |
289.7 |
0.524 |
2012 |
289.2 |
0.539 |
2013 |
288.8 |
0.554 |
2014 |
288.5 |
0.569 |
2015 |
288.1 |
0.584 |
2016 |
287.8 |
0.598 |
2017 |
287.5 |
0.613 |
2018 |
287.2 |
0.627 |
2019 |
286.9 |
0.641 |
2020 |
286.6 |
0.655 |
2021 |
286.3 |
0.668 |
2022 |
286.1 |
0.681 |
2023 |
285.8 |
0.695 |
2024 |
285.6 |
0.708 |
2025 |
285.3 |
0.720 |
2026 |
285.1 |
0.733 |
2027 |
284.9 |
0.745 |
2028 |
284.7 |
0.757 |
2029 |
284.5 |
0.769 |
2030 |
284.3 |
0.781 |
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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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