19296+1224 A 1653 (HD 183512)
19h 29m 35.87s +12° 24' 15.7" P.A. 142.00 sep 0.2 mag 8.18,9.50 Sp A3V dist. 523.56 pc (1707.85 l.y.)
| Coord 2000 |
19296+1224 |
|
Discov num |
A 1653 |
|
Comp |
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Coord arcsec 2000 |
19 29 35.87 +12 24 15.7 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
42 |
|
| Pa first |
302 |
|
Pa last |
142.4 |
|
P.A. Now (θ) |
142.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.21 |
|
Sep. Now (ρ) |
0.21" |
|
| Mag pri |
8.18 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
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|
| Pri motion dec |
-001 |
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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 183512 |
|
Constellation |
Aquila |
|
SAO |
104900 |
|
HIP |
95845 |
|
| Tycho2 |
1063-01191-1 |
|
Gaia DR2 |
4316162208049061888 |
|
HD |
183512 |
|
ADS |
12515 |
|
| BD |
BD+12 3929 |
|
Distance |
523.56 |
|
Distance ly |
1707.85 |
|
ORBITAL ELEMENTS
| Period (P) | 229.1y | |
Periastron (T) | 2039.864y | |
Semi-major axis (a) | 0.211a | |
| Eccentricity (e) | 0.073 | |
Inclination (i) | 171.5° | |
Longitude of periastron (ω) | 332.4° | |
| Node (Ω) | 65.8° | |
Notes | n | |
Reference | Pru2014 | |
| Equinox | 2000 | |
Last observation | 2007 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
163.9 |
0.203 |
| 2001 |
162.2 |
0.202 |
| 2002 |
160.5 |
0.202 |
| 2003 |
158.8 |
0.201 |
| 2004 |
157.1 |
0.201 |
| 2005 |
155.4 |
0.201 |
| 2006 |
153.7 |
0.200 |
| 2007 |
151.9 |
0.200 |
| 2008 |
150.2 |
0.200 |
| 2009 |
148.5 |
0.199 |
| 2010 |
146.7 |
0.199 |
| 2011 |
145.0 |
0.199 |
| 2012 |
143.2 |
0.198 |
| 2013 |
141.5 |
0.198 |
| 2014 |
139.7 |
0.198 |
| 2015 |
138.0 |
0.198 |
| 2016 |
136.2 |
0.197 |
| 2017 |
134.4 |
0.197 |
| 2018 |
132.6 |
0.197 |
| 2019 |
130.8 |
0.197 |
| 2020 |
129.1 |
0.196 |
| 2021 |
127.3 |
0.196 |
| 2022 |
125.5 |
0.196 |
| 2023 |
123.7 |
0.196 |
| 2024 |
121.9 |
0.196 |
| 2025 |
120.1 |
0.196 |
| 2026 |
118.3 |
0.196 |
| 2027 |
116.5 |
0.195 |
| 2028 |
114.7 |
0.195 |
| 2029 |
112.8 |
0.195 |
| 2030 |
111.0 |
0.195 |
|
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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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