19429+4043 STT 383 AB (HD 186465)
19h 42m 56.26s +40° 43' 18.3" P.A. 15.00 sep 0.8 mag 7.03,8.28 Sp B9.5V dist. 154.56 pc (504.17 l.y.)
| Coord 2000 |
19429+4043 |
|
Discov num |
STT 383 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 42 56.26 +40 43 18.3 |
|
| Date first |
1843 |
|
Date last |
2014 |
|
Obs |
58 |
|
| Pa first |
25 |
|
Pa last |
14.7 |
|
P.A. Now (θ) |
14.7° |
|
| Sep first |
0.6 |
|
Sep last |
0.783 |
|
Sep. Now (ρ) |
0.783" |
|
| Mag pri |
7.03 |
|
Mag sec |
8.28 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
19429+4043 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 186465 |
48756 |
19 42 56 +40 43 18 |
STT 383 AB |
2014 |
58 |
15 |
0.8 |
7.03 |
8.28 |
1.25 |
Y |
<=== |
| Show |
|
48756 |
19 42 56 +40 43 18 |
STT 383 AC |
2002 |
10 |
99 |
45.2 |
7.03 |
11.60 |
4.57 |
|
|
| Show |
|
48756 |
19 42 56 +40 43 18 |
STT 383 AD |
2002 |
5 |
43 |
68.1 |
7.03 |
12.45 |
5.42 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 186465 |
|
Constellation |
Cygnus |
|
SAO |
48756 |
|
HIP |
97001 |
|
| Tycho2 |
3140-01594-1 |
|
Gaia DR2 |
2076617550907389568 |
|
HD |
186465 |
|
GC |
27298 |
|
| ADS |
12831 |
|
BD |
BD+40 3856 |
|
Distance |
154.56 |
|
Distance ly |
504.17 |
|
ORBITAL ELEMENTS
| Period (P) | 1125y | ± 186 |
Periastron (T) | 2176.5y | ± 7.6 |
Semi-major axis (a) | 0.893a | ± 0.104 |
| Eccentricity (e) | 0.417 | ± 0.089 |
Inclination (i) | 101° | ± 2 |
Longitude of periastron (ω) | 100.8° | ± 15.1 |
| Node (Ω) | 15.1° | ± 1.2 |
Notes | | |
Reference | PkO2018b | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
15.9 |
0.826 |
| 2001 |
15.9 |
0.824 |
| 2002 |
15.8 |
0.822 |
| 2003 |
15.7 |
0.820 |
| 2004 |
15.7 |
0.818 |
| 2005 |
15.6 |
0.816 |
| 2006 |
15.6 |
0.814 |
| 2007 |
15.5 |
0.812 |
| 2008 |
15.4 |
0.810 |
| 2009 |
15.3 |
0.808 |
| 2010 |
15.3 |
0.806 |
| 2011 |
15.2 |
0.804 |
| 2012 |
15.1 |
0.802 |
| 2013 |
15.1 |
0.799 |
| 2014 |
15.0 |
0.797 |
| 2015 |
14.9 |
0.795 |
| 2016 |
14.9 |
0.792 |
| 2017 |
14.8 |
0.790 |
| 2018 |
14.7 |
0.788 |
| 2019 |
14.7 |
0.785 |
| 2020 |
14.6 |
0.783 |
| 2021 |
14.5 |
0.780 |
| 2022 |
14.4 |
0.778 |
| 2023 |
14.4 |
0.775 |
| 2024 |
14.3 |
0.772 |
| 2025 |
14.2 |
0.770 |
| 2026 |
14.1 |
0.767 |
| 2027 |
14.1 |
0.764 |
| 2028 |
14.0 |
0.762 |
| 2029 |
13.9 |
0.759 |
| 2030 |
13.8 |
0.756 |
| 2031 |
13.8 |
0.753 |
| 2032 |
13.7 |
0.750 |
| 2033 |
13.6 |
0.747 |
| 2034 |
13.5 |
0.744 |
| 2035 |
13.4 |
0.741 |
| 2036 |
13.4 |
0.738 |
| 2037 |
13.3 |
0.735 |
| 2038 |
13.2 |
0.732 |
| 2039 |
13.1 |
0.729 |
| 2040 |
13.0 |
0.726 |
| 2041 |
12.9 |
0.722 |
| 2042 |
12.9 |
0.719 |
| 2043 |
12.8 |
0.716 |
| 2044 |
12.7 |
0.712 |
| 2045 |
12.6 |
0.709 |
| 2046 |
12.5 |
0.705 |
| 2047 |
12.4 |
0.702 |
| 2048 |
12.3 |
0.698 |
| 2049 |
12.2 |
0.695 |
| 2050 |
12.1 |
0.691 |
|
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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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