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 |
|
Discov num |
A 1581 |
|
Comp |
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Coord arcsec 2000 |
08 03 06.55 -06 24 51.4 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
43 |
|
| Pa first |
190 |
|
Pa last |
300.4 |
|
P.A. Now (θ) |
300.4° |
|
| Sep first |
0.3 |
|
Sep last |
1.44 |
|
Sep. Now (ρ) |
1.44" |
|
| Mag pri |
10.02 |
|
Mag sec |
10.29 |
|
delta mag (ΔM) |
0.27 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-056 |
|
Sec motion ra |
-056 |
|
| Pri motion dec |
+046 |
|
Sec motion dec |
+046 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Monoceros |
|
HIP |
39383 |
|
Tycho2 |
4858-00671-1 |
|
Gaia DR2 |
3067074530201582336 |
|
| ADS |
6547 |
|
BD |
BD-06 2423 |
|
Distance |
59.03 |
|
Distance ly |
192.56 |
|
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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