19380+3353 YSC 135 (HD 185501)
19h 37m 59.29s +33° 53' 35.3" P.A. 106.00 sep 0.0 mag 8.00,8.50 Sp G5 dist. 31.96 pc (104.25 l.y.)
| Coord 2000 |
19380+3353 |
|
Discov num |
YSC 135 |
|
Comp |
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Coord arcsec 2000 |
19 37 59.29 +33 53 35.3 |
|
| Date first |
2010 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
133 |
|
Pa last |
106.2 |
|
P.A. Now (θ) |
106.2° |
|
| Sep first |
0.0 |
|
Sep last |
0.024 |
|
Sep. Now (ρ) |
0.024" |
|
| Mag pri |
8.00 |
|
Mag sec |
8.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-098 |
|
Sec motion ra |
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| Pri motion dec |
+052 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 185501 |
|
Constellation |
Cygnus |
|
SAO |
68602 |
|
HIP |
96576 |
|
| Tycho2 |
2663-00563-1 |
|
Gaia DR2 |
2047188847334279424 |
|
HD |
185501 |
|
GL |
NN 4118 |
|
| BD |
BD+33 3529 |
|
Distance |
31.96 |
|
Distance ly |
104.25 |
|
ORBITAL ELEMENTS
| Period (P) | 433.94d | ± 0.15 |
Periastron (T) | 57134.26d (2015.304y) | ± 0.62 |
Semi-major axis (a) | 41.04m | ± 0.88 |
| Eccentricity (e) | 0.2155 | ± 0.0023 |
Inclination (i) | 116.4° | ± 0.93 |
Longitude of periastron (ω) | 82.92° | ± 0.56 |
| Node (Ω) | 337.59° | ± 0.47 |
Notes | | |
Reference | Hor2020 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
174.2 |
0.031 |
| 2001-01-01 |
299.4 |
0.020 |
| 2002-01-01 |
343.5 |
0.039 |
| 2003-01-01 |
17.1 |
0.029 |
| 2004-01-01 |
90.3 |
0.024 |
| 2005-01-01 |
137.3 |
0.038 |
| 2006-01-01 |
163.1 |
0.038 |
| 2007-01-01 |
249.9 |
0.014 |
| 2008-01-01 |
334.5 |
0.037 |
| 2009-01-01 |
3.9 |
0.034 |
| 2010-01-01 |
64.4 |
0.022 |
| 2011-01-01 |
127.0 |
0.034 |
| 2012-01-01 |
154.7 |
0.041 |
| 2013-01-01 |
198.8 |
0.020 |
| 2014-01-01 |
323.2 |
0.031 |
| 2015-01-01 |
353.7 |
0.038 |
| 2016-01-01 |
39.1 |
0.024 |
| 2017-01-01 |
113.3 |
0.029 |
| 2018-01-01 |
146.9 |
0.041 |
| 2019-01-01 |
176.5 |
0.030 |
| 2020-01-01 |
304.0 |
0.022 |
| 2021-01-01 |
344.8 |
0.039 |
| 2022-01-01 |
19.6 |
0.028 |
| 2023-01-01 |
93.9 |
0.024 |
| 2024-01-01 |
138.7 |
0.039 |
| 2025-01-01 |
164.6 |
0.037 |
| 2026-01-01 |
259.9 |
0.015 |
| 2027-01-01 |
336.0 |
0.038 |
| 2028-01-01 |
5.7 |
0.033 |
| 2029-01-01 |
68.6 |
0.022 |
| 2030-01-01 |
128.8 |
0.034 |
|
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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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