19539+4425 MCY 3 Aa,Ab
19h 53m 54.48s +44° 24' 53.3" P.A. 183.00 sep 0.4 mag 13.50,16.80 Sp M6V+M8V
| Coord 2000 |
19539+4425 |
|
Discov num |
MCY 3 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
19 53 54.48 +44 24 53.3 |
|
| Date first |
1986 |
|
Date last |
2017 |
|
Obs |
46 |
|
| Pa first |
265 |
|
Pa last |
183.3 |
|
P.A. Now (θ) |
73° |
|
| Sep first |
0.8 |
|
Sep last |
0.41 |
|
Sep. Now (ρ) |
1.048" |
|
| Mag pri |
13.50 |
|
Mag sec |
16.80 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
M6V+M8V (red/red) |
|
| Pri motion ra |
+443 |
|
Sec motion ra |
|
|
| Pri motion dec |
-581 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19539+4425 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 53 54 +44 24 53 |
MCY 3 Aa,Ab |
2017 |
46 |
183 |
0.4 |
13.50 |
16.80 |
3.30 |
Y |
<=== |
| Show |
|
|
19 53 54 +44 24 53 |
GIC 159 AB |
2019 |
22 |
69 |
6.0 |
14.26 |
14.96 |
0.70 |
Y |
|
| Show |
|
|
19 53 55 +44 24 55 |
CRC 36 BC |
2012 |
2 |
112 |
14.9 |
7.80 |
|
|
|
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Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 16.8943y | ± 0.009 |
Periastron (T) | 57696d (2016.842y) | ± 1.1 |
Semi-major axis (a) | 830.23m | ± 0.24 |
| Eccentricity (e) | 0.34114 | ± 0.00062 |
Inclination (i) | 135.47° | ± 0.12 |
Longitude of periastron (ω) | 216.71° | ± 0.22 |
| Node (Ω) | 80.37° | ± 0.15 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
230.3 |
0.491 |
| 2001 |
180.6 |
0.426 |
| 2002 |
135.3 |
0.539 |
| 2003 |
110.0 |
0.722 |
| 2004 |
94.7 |
0.879 |
| 2005 |
83.4 |
0.987 |
| 2006 |
73.9 |
1.045 |
| 2007 |
65.1 |
1.057 |
| 2008 |
56.1 |
1.031 |
| 2009 |
46.3 |
0.972 |
| 2010 |
35.0 |
0.889 |
| 2011 |
21.0 |
0.794 |
| 2012 |
3.3 |
0.702 |
| 2013 |
341.0 |
0.635 |
| 2014 |
315.2 |
0.608 |
| 2015 |
288.5 |
0.607 |
| 2016 |
260.9 |
0.577 |
| 2017 |
225.8 |
0.479 |
| 2018 |
174.9 |
0.430 |
| 2019 |
131.9 |
0.558 |
| 2020 |
108.1 |
0.741 |
| 2021 |
93.3 |
0.893 |
| 2022 |
82.3 |
0.995 |
| 2023 |
73.0 |
1.048 |
| 2024 |
64.2 |
1.056 |
| 2025 |
55.1 |
1.026 |
| 2026 |
45.2 |
0.964 |
| 2027 |
33.6 |
0.879 |
| 2028 |
19.4 |
0.783 |
| 2029 |
1.2 |
0.693 |
| 2030 |
338.4 |
0.630 |
|
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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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