08017-0836 A 1580 (V635 Mon)
08h 01m 44.53s -08° 35' 35.4" P.A. 299.00 sep 0.3 mag 7.81,8.70 Sp F5+A2 dist. 279.33 pc (911.17 l.y.)
| Coord 2000 |
08017-0836 |
|
Discov num |
A 1580 |
|
Comp |
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Coord arcsec 2000 |
08 01 44.53 -08 35 35.4 |
|
| Date first |
1907 |
|
Date last |
2019 |
|
Obs |
28 |
|
| Pa first |
133 |
|
Pa last |
298.5 |
|
P.A. Now (θ) |
298.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.315 |
|
Sep. Now (ρ) |
0.315" |
|
| Mag pri |
7.81 |
|
Mag sec |
8.70 |
|
delta mag (ΔM) |
0.89 |
|
Spectral class |
F5+A2 (yellow-white/white) |
|
| Pri motion ra |
-048 |
|
Sec motion ra |
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| Pri motion dec |
+013 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V635 Mon |
|
Constellation |
Monoceros |
|
SAO |
135392 |
|
HIP |
39264 |
|
| Tycho2 |
5412-02547-1 |
|
Gaia DR2 |
3039664701753343872 |
|
HD |
66094 |
|
GC |
10884 |
|
| ADS |
6526 |
|
BD |
BD-08 2186 |
|
Distance |
279.33 |
|
Distance ly |
911.17 |
|
ORBITAL ELEMENTS
| Period (P) | 399y | |
Periastron (T) | 1965y | |
Semi-major axis (a) | 0.351a | |
| Eccentricity (e) | 0.29 | |
Inclination (i) | 38° | |
Longitude of periastron (ω) | 104° | |
| Node (Ω) | 117° | |
Notes | n | |
Reference | Hrt2010a | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
280.8 |
0.270 |
| 2001 |
282.0 |
0.272 |
| 2002 |
283.1 |
0.274 |
| 2003 |
284.2 |
0.277 |
| 2004 |
285.3 |
0.279 |
| 2005 |
286.4 |
0.281 |
| 2006 |
287.4 |
0.283 |
| 2007 |
288.5 |
0.285 |
| 2008 |
289.5 |
0.287 |
| 2009 |
290.5 |
0.289 |
| 2010 |
291.5 |
0.290 |
| 2011 |
292.5 |
0.292 |
| 2012 |
293.5 |
0.294 |
| 2013 |
294.4 |
0.296 |
| 2014 |
295.4 |
0.298 |
| 2015 |
296.3 |
0.299 |
| 2016 |
297.2 |
0.301 |
| 2017 |
298.2 |
0.302 |
| 2018 |
299.1 |
0.304 |
| 2019 |
300.0 |
0.305 |
| 2020 |
300.9 |
0.307 |
| 2021 |
301.8 |
0.308 |
| 2022 |
302.6 |
0.310 |
| 2023 |
303.5 |
0.311 |
| 2024 |
304.4 |
0.312 |
| 2025 |
305.2 |
0.314 |
| 2026 |
306.1 |
0.315 |
| 2027 |
306.9 |
0.316 |
| 2028 |
307.7 |
0.317 |
| 2029 |
308.6 |
0.319 |
| 2030 |
309.4 |
0.320 |
|
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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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