06467+0822 HDS 940 AB (V839 Mon)
06h 46m 40.72s +08° 21' 47.3" P.A. 324.00 sep 0.3 mag 7.15,11.09 Sp F0IV dist. 68.63 pc (223.87 l.y.)
| Coord 2000 |
06467+0822 |
|
Discov num |
HDS 940 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 46 40.72 +08 21 47.3 |
|
| Date first |
1991 |
|
Date last |
2022 |
|
Obs |
20 |
|
| Pa first |
179 |
|
Pa last |
324.3 |
|
P.A. Now (θ) |
324.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.339 |
|
Sep. Now (ρ) |
0.339" |
|
| Mag pri |
7.15 |
|
Mag sec |
11.09 |
|
delta mag (ΔM) |
3.94 |
|
Spectral class |
F0IV (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
06467+0822 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V839 Mon |
114392 |
06 46 41 +08 21 47 |
HDS 940 AB |
2022 |
20 |
324 |
0.3 |
7.15 |
11.09 |
3.94 |
Y |
<=== |
| Show |
|
|
06 46 41 +08 21 47 |
HDS 940 BC |
2022 |
13 |
191 |
0.1 |
11.70 |
12.00 |
0.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V839 Mon |
|
Constellation |
Monoceros |
|
SAO |
114392 |
|
HIP |
32475 |
|
| Tycho2 |
0747-02235-1 |
|
Gaia DR2 |
3134167073326656000 |
|
HD |
49015 |
|
BD |
BD+08 1487 |
|
| Distance |
68.63 |
|
Distance ly |
223.87 |
|
ORBITAL ELEMENTS
| Period (P) | 128.949y | ± 3.605 |
Periastron (T) | 1997.034y | ± 4.062 |
Semi-major axis (a) | 0.5431a | ± 0.0326 |
| Eccentricity (e) | 0.256 | ± 0.02 |
Inclination (i) | 48.1° | ± 1.4 |
Longitude of periastron (ω) | 178.6° | ± 2.6 |
| Node (Ω) | 22.9° | |
Notes | | |
Reference | Cve2020b | |
| Equinox | | |
Last observation | 2019 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
211.7 |
0.401 |
| 2001 |
215.0 |
0.398 |
| 2002 |
218.4 |
0.394 |
| 2003 |
221.8 |
0.390 |
| 2004 |
225.4 |
0.384 |
| 2005 |
229.0 |
0.379 |
| 2006 |
232.8 |
0.373 |
| 2007 |
236.7 |
0.367 |
| 2008 |
240.7 |
0.361 |
| 2009 |
244.9 |
0.355 |
| 2010 |
249.2 |
0.349 |
| 2011 |
253.6 |
0.344 |
| 2012 |
258.1 |
0.340 |
| 2013 |
262.8 |
0.336 |
| 2014 |
267.5 |
0.334 |
| 2015 |
272.3 |
0.332 |
| 2016 |
277.1 |
0.332 |
| 2017 |
281.9 |
0.334 |
| 2018 |
286.7 |
0.336 |
| 2019 |
291.4 |
0.340 |
| 2020 |
295.9 |
0.344 |
| 2021 |
300.3 |
0.350 |
| 2022 |
304.6 |
0.358 |
| 2023 |
308.6 |
0.366 |
| 2024 |
312.5 |
0.374 |
| 2025 |
316.2 |
0.384 |
| 2026 |
319.7 |
0.394 |
| 2027 |
323.0 |
0.405 |
| 2028 |
326.2 |
0.417 |
| 2029 |
329.2 |
0.428 |
| 2030 |
332.0 |
0.440 |
|
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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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