19196+3720 CIA 2 AB
19h 19m 39.04s +37° 19' 51.5" P.A. 200.00 sep 0.0 mag 7.00,7.10 Sp G8V dist. 25.39 pc (82.82 l.y.)
| Coord 2000 |
19196+3720 |
|
Discov num |
CIA 2 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 19 39.04 +37 19 51.5 |
|
| Date first |
2006 |
|
Date last |
2018 |
|
Obs |
45 |
|
| Pa first |
341 |
|
Pa last |
199.8 |
|
P.A. Now (θ) |
199.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.004 |
|
Sep. Now (ρ) |
0.004" |
|
| Mag pri |
7.00 |
|
Mag sec |
7.10 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
G8V (yellow) |
|
| Pri motion ra |
-062 |
|
Sec motion ra |
|
|
| Pri motion dec |
-183 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19196+3720 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
68144 |
19 19 39 +37 19 52 |
CIA 2 AB |
2018 |
45 |
200 |
0.0 |
7.00 |
7.10 |
0.10 |
Y |
<=== |
| Show |
HD 181655 |
68144 |
19 19 39 +37 19 52 |
DAM 1457 AB,C |
2016 |
6 |
300 |
34.6 |
6.31 |
11.50 |
5.19 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
SAO |
68144 |
|
HIP |
94981 |
|
Tycho2 |
2665-02093-1 |
|
| Gaia DR2 |
2051069711047203712 |
|
HD |
181655 |
|
HR |
7345 |
|
GC |
26670 |
|
| GL |
Gl 754.2 |
|
BD |
BD+37 3417 |
|
Distance |
25.39 |
|
Distance ly |
82.82 |
|
ORBITAL ELEMENTS
| Period (P) | 331.609d | ± 0.0037 |
Periastron (T) | 58142.69d (2018.065y) | ± 0.0027 |
Semi-major axis (a) | 47.43m | ± 0.035 |
| Eccentricity (e) | 0.9322 | ± 0.00013 |
Inclination (i) | 29.48° | ± 0.86 |
Longitude of periastron (ω) | 169.888° | ± 0.075 |
| Node (Ω) | 181.046° | ± 0.092 |
Notes | | |
Reference | CIA2018d | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
153.3 |
0.046 |
| 2001-01-01 |
161.2 |
0.068 |
| 2002-01-01 |
165.8 |
0.082 |
| 2003-01-01 |
169.3 |
0.089 |
| 2004-01-01 |
172.5 |
0.091 |
| 2005-01-01 |
175.6 |
0.089 |
| 2006-01-01 |
179.2 |
0.081 |
| 2007-01-01 |
184.0 |
0.066 |
| 2008-01-01 |
192.7 |
0.043 |
| 2009-01-01 |
119.4 |
0.012 |
| 2010-01-01 |
154.8 |
0.050 |
| 2011-01-01 |
162.0 |
0.071 |
| 2012-01-01 |
166.3 |
0.083 |
| 2013-01-01 |
169.8 |
0.090 |
| 2014-01-01 |
172.9 |
0.091 |
| 2015-01-01 |
176.1 |
0.088 |
| 2016-01-01 |
179.8 |
0.079 |
| 2017-01-01 |
184.8 |
0.064 |
| 2018-01-01 |
195.0 |
0.038 |
| 2019-01-01 |
134.4 |
0.020 |
| 2020-01-01 |
156.2 |
0.054 |
| 2021-01-01 |
162.7 |
0.073 |
| 2022-01-01 |
166.9 |
0.084 |
| 2023-01-01 |
170.2 |
0.090 |
| 2024-01-01 |
173.4 |
0.091 |
| 2025-01-01 |
176.6 |
0.087 |
| 2026-01-01 |
180.4 |
0.077 |
| 2027-01-01 |
185.7 |
0.061 |
| 2028-01-01 |
197.9 |
0.033 |
| 2029-01-01 |
141.4 |
0.026 |
| 2030-01-01 |
157.4 |
0.057 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
