19389+3514 HU 953 (HD 185696)
19h 38m 55.76s +35° 14' 12.9" P.A. 40.00 sep 0.3 mag 8.80,9.20 Sp G0
| Coord 2000 |
19389+3514 |
|
Discov num |
HU 953 |
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Comp |
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Coord arcsec 2000 |
19 38 55.76 +35 14 12.9 |
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| Date first |
1904 |
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Date last |
2011 |
|
Obs |
47 |
|
| Pa first |
177 |
|
Pa last |
40.4 |
|
P.A. Now (θ) |
40.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.278 |
|
Sep. Now (ρ) |
0.278" |
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| Mag pri |
8.80 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.4 |
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Spectral class |
G0 (yellow) |
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| Pri motion ra |
+020 |
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Sec motion ra |
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|
| Pri motion dec |
-061 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 185696 |
|
Constellation |
Cygnus |
|
SAO |
68627 |
|
Tycho2 |
2663-00458-1 |
|
| Gaia DR2 |
2048162980269753216 |
|
HD |
185696 |
|
ADS |
12746 |
|
ORBITAL ELEMENTS
| Period (P) | 466.2y | |
Periastron (T) | 2000.5y | |
Semi-major axis (a) | 0.884a | |
| Eccentricity (e) | 0.762 | |
Inclination (i) | 37.9° | |
Longitude of periastron (ω) | 273° | |
| Node (Ω) | 50.2° | |
Notes | | |
Reference | Lin2017c | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
318.4 |
0.166 |
| 2001 |
329.6 |
0.167 |
| 2002 |
340.3 |
0.172 |
| 2003 |
350.3 |
0.180 |
| 2004 |
359.3 |
0.191 |
| 2005 |
7.3 |
0.204 |
| 2006 |
14.2 |
0.218 |
| 2007 |
20.3 |
0.233 |
| 2008 |
25.6 |
0.249 |
| 2009 |
30.3 |
0.265 |
| 2010 |
34.4 |
0.280 |
| 2011 |
38.1 |
0.296 |
| 2012 |
41.5 |
0.311 |
| 2013 |
44.5 |
0.326 |
| 2014 |
47.3 |
0.340 |
| 2015 |
49.9 |
0.355 |
| 2016 |
52.2 |
0.368 |
| 2017 |
54.4 |
0.382 |
| 2018 |
56.5 |
0.395 |
| 2019 |
58.4 |
0.408 |
| 2020 |
60.2 |
0.421 |
| 2021 |
61.9 |
0.433 |
| 2022 |
63.5 |
0.445 |
| 2023 |
65.0 |
0.457 |
| 2024 |
66.4 |
0.468 |
| 2025 |
67.8 |
0.479 |
| 2026 |
69.1 |
0.490 |
| 2027 |
70.4 |
0.501 |
| 2028 |
71.6 |
0.511 |
| 2029 |
72.7 |
0.521 |
| 2030 |
73.8 |
0.532 |
|
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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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