18466+3821 HU 1191 (V595 Lyr)
18h 46m 34.62s +38° 21' 04.0" P.A. 338.00 sep 0.2 mag 8.67,9.42 Sp G9V dist. 35.61 pc (116.16 l.y.)
| Coord 2000 |
18466+3821 |
|
Discov num |
HU 1191 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 34.62 +38 21 04.0 |
|
| Date first |
1905 |
|
Date last |
2016 |
|
Obs |
62 |
|
| Pa first |
279 |
|
Pa last |
338.4 |
|
P.A. Now (θ) |
264.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.218 |
|
Sep. Now (ρ) |
0.203" |
|
| Mag pri |
8.67 |
|
Mag sec |
9.42 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
G9V (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
|
|
| Pri motion dec |
-090 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V595 Lyr |
|
Constellation |
Lyra |
|
SAO |
67373 |
|
HIP |
92122 |
|
| Tycho2 |
3118-01317-1 |
|
Gaia DR2 |
2097340974270989312 |
|
HD |
173950 |
|
ADS |
11680 |
|
| BD |
BD+38 3292 |
|
Distance |
35.61 |
|
Distance ly |
116.16 |
|
ORBITAL ELEMENTS
| Period (P) | 14.64y | ± 0.2 |
Periastron (T) | 1996.64y | ± 0.04 |
Semi-major axis (a) | 0.191a | ± 0.001 |
| Eccentricity (e) | 0.462 | ± 0.004 |
Inclination (i) | 149.3° | ± 0.5 |
Longitude of periastron (ω) | 303.9° | ± 1 |
| Node (Ω) | 84° | ± 0.5 |
Notes | n | |
Reference | Doc2009g | |
| Equinox | 2000 | |
Last observation | 1998 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
10.0 |
0.189 |
| 2001 |
352.9 |
0.211 |
| 2002 |
338.8 |
0.230 |
| 2003 |
326.6 |
0.244 |
| 2004 |
315.6 |
0.253 |
| 2005 |
305.1 |
0.256 |
| 2006 |
294.5 |
0.252 |
| 2007 |
283.3 |
0.239 |
| 2008 |
270.1 |
0.215 |
| 2009 |
252.4 |
0.178 |
| 2010 |
222.6 |
0.128 |
| 2011 |
158.9 |
0.091 |
| 2012 |
89.3 |
0.116 |
| 2013 |
49.7 |
0.148 |
| 2014 |
23.2 |
0.174 |
| 2015 |
3.4 |
0.197 |
| 2016 |
347.5 |
0.218 |
| 2017 |
334.2 |
0.235 |
| 2018 |
322.5 |
0.248 |
| 2019 |
311.8 |
0.255 |
| 2020 |
301.3 |
0.256 |
| 2021 |
290.6 |
0.248 |
| 2022 |
278.8 |
0.232 |
| 2023 |
264.4 |
0.203 |
| 2024 |
243.8 |
0.161 |
| 2025 |
204.9 |
0.109 |
| 2026 |
129.8 |
0.095 |
| 2027 |
72.7 |
0.128 |
| 2028 |
39.1 |
0.158 |
| 2029 |
15.5 |
0.183 |
| 2030 |
357.3 |
0.205 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
