19164+1433 CHR 85 Aa,Ab
19h 16m 26.78s +14° 32' 40.6" P.A. 20.00 sep 0.0 mag 5.90,7.40 Sp B9.5V dist. 125.63 pc (409.81 l.y.)
| Coord 2000 |
19164+1433 |
|
Discov num |
CHR 85 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
19 16 26.78 +14 32 40.6 |
|
| Date first |
1985 |
|
Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
54 |
|
Pa last |
20.4 |
|
P.A. Now (θ) |
312.4° |
|
| Sep first |
0.1 |
|
Sep last |
0.04 |
|
Sep. Now (ρ) |
0.039" |
|
| Mag pri |
5.90 |
|
Mag sec |
7.40 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
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|
| Notes |
O
(Orbital solution) |
|
This double is physical.
19164+1433 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
104668 |
19 16 27 +14 32 41 |
CHR 85 Aa,Ab |
2021 |
14 |
20 |
0.0 |
5.90 |
7.40 |
1.50 |
Y |
<=== |
| Show |
HD 180555 |
104668 |
19 16 27 +14 32 41 |
STF 2489 AB |
2013 |
32 |
347 |
8.3 |
5.67 |
9.30 |
3.63 |
|
|
| Show |
|
104668 |
19 16 27 +14 32 41 |
WAL 109 AC |
2008 |
3 |
355 |
60.4 |
5.67 |
10.88 |
5.21 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
SAO |
104668 |
|
HIP |
94720 |
|
Tycho2 |
1053-00804-1 |
|
| Gaia DR2 |
4320279260621065472 |
|
HD |
180555 |
|
HR |
7307 |
|
ADS |
12248 |
|
| BD |
BD+14 3852 |
|
Distance |
125.63 |
|
Distance ly |
409.81 |
|
ORBITAL ELEMENTS
| Period (P) | 13.673y | ± 0.069 |
Periastron (T) | 2008.572y | ± 1.101 |
Semi-major axis (a) | 0.0583a | ± 0.0014 |
| Eccentricity (e) | 0.022 | ± 0.01 |
Inclination (i) | 131.3° | ± 3.7 |
Longitude of periastron (ω) | 262.7° | ± 28.7 |
| Node (Ω) | 242.3° | ± 4.5 |
Notes | | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
214.4 |
0.052 |
| 2001 |
188.6 |
0.044 |
| 2002 |
153.3 |
0.039 |
| 2003 |
117.5 |
0.043 |
| 2004 |
91.1 |
0.052 |
| 2005 |
71.5 |
0.057 |
| 2006 |
53.9 |
0.057 |
| 2007 |
33.7 |
0.050 |
| 2008 |
5.1 |
0.041 |
| 2009 |
325.5 |
0.038 |
| 2010 |
289.0 |
0.044 |
| 2011 |
264.0 |
0.053 |
| 2012 |
245.3 |
0.058 |
| 2013 |
227.7 |
0.057 |
| 2014 |
206.9 |
0.050 |
| 2015 |
178.0 |
0.042 |
| 2016 |
140.8 |
0.040 |
| 2017 |
107.8 |
0.046 |
| 2018 |
84.2 |
0.054 |
| 2019 |
65.8 |
0.058 |
| 2020 |
47.8 |
0.055 |
| 2021 |
25.6 |
0.047 |
| 2022 |
353.1 |
0.039 |
| 2023 |
312.4 |
0.039 |
| 2024 |
279.7 |
0.047 |
| 2025 |
257.5 |
0.056 |
| 2026 |
239.6 |
0.058 |
| 2027 |
221.5 |
0.055 |
| 2028 |
198.6 |
0.047 |
| 2029 |
166.3 |
0.040 |
| 2030 |
129.0 |
0.041 |
|
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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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