08031-0625 A 1581
08h 03m 06.55s -06° 24' 51.4" P.A. 300.00 sep 1.4 mag 10.02,10.29 Sp K0 dist. 59.03 pc (192.56 l.y.)
Coord 2000 |
08031-0625 |
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Discov num |
A 1581 |
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Comp |
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Coord arcsec 2000 |
08 03 06.55 -06 24 51.4 |
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Date first |
1907 |
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Date last |
2016 |
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Obs |
43 |
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Pa first |
190 |
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Pa last |
300.4 |
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P.A. Now (θ) |
300.4° |
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Sep first |
0.3 |
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Sep last |
1.44 |
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Sep. Now (ρ) |
1.44" |
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Mag pri |
10.02 |
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Mag sec |
10.29 |
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delta mag (ΔM) |
0.27 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-056 |
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Sec motion ra |
-056 |
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Pri motion dec |
+046 |
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Sec motion dec |
+046 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Monoceros |
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HIP |
39383 |
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Tycho2 |
4858-00671-1 |
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Gaia DR2 |
3067074530201582336 |
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ADS |
6547 |
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BD |
BD-06 2423 |
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Distance |
59.03 |
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Distance ly |
192.56 |
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ORBITAL ELEMENTS
Period (P) | 509.869y | ± 254.8838 |
Periastron (T) | 2068.8372y | ± 185.754 |
Semi-major axis (a) | 2.32224a | ± 0.985 |
Eccentricity (e) | 0.55328 | ± 0.31548 |
Inclination (i) | 84.39° | ± 8.809 |
Longitude of periastron (ω) | 243.463° | ± 56.388 |
Node (Ω) | 124.095° | ± 5.441 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
297.2 |
1.323 |
2001 |
297.3 |
1.332 |
2002 |
297.5 |
1.341 |
2003 |
297.7 |
1.349 |
2004 |
297.9 |
1.358 |
2005 |
298.0 |
1.366 |
2006 |
298.2 |
1.374 |
2007 |
298.4 |
1.381 |
2008 |
298.5 |
1.388 |
2009 |
298.7 |
1.395 |
2010 |
298.8 |
1.401 |
2011 |
299.0 |
1.407 |
2012 |
299.1 |
1.413 |
2013 |
299.3 |
1.418 |
2014 |
299.5 |
1.423 |
2015 |
299.6 |
1.428 |
2016 |
299.8 |
1.432 |
2017 |
299.9 |
1.435 |
2018 |
300.1 |
1.438 |
2019 |
300.2 |
1.441 |
2020 |
300.4 |
1.443 |
2021 |
300.5 |
1.444 |
2022 |
300.7 |
1.446 |
2023 |
300.8 |
1.446 |
2024 |
301.0 |
1.446 |
2025 |
301.1 |
1.445 |
2026 |
301.2 |
1.444 |
2027 |
301.4 |
1.442 |
2028 |
301.5 |
1.439 |
2029 |
301.7 |
1.436 |
2030 |
301.8 |
1.432 |
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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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