19110-0726 A 95 (HD 179002)
19h 11m 01.26s -07° 25' 38.7" P.A. 20.00 sep 0.2 mag 7.40,7.95 Sp F8V dist. 173.61 pc (566.32 l.y.)
| Coord 2000 |
19110-0726 |
|
Discov num |
A 95 |
|
Comp |
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Coord arcsec 2000 |
19 11 01.26 -07 25 38.7 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
66 |
|
| Pa first |
37 |
|
Pa last |
19.9 |
|
P.A. Now (θ) |
12.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.237 |
|
Sep. Now (ρ) |
0.224" |
|
| Mag pri |
7.40 |
|
Mag sec |
7.95 |
|
delta mag (ΔM) |
0.55 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
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| Pri motion dec |
-044 |
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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 179002 |
|
Constellation |
Aquila |
|
SAO |
143106 |
|
HIP |
94241 |
|
| Tycho2 |
5141-01527-1 |
|
Gaia DR2 |
4204970486879946496 |
|
HD |
179002 |
|
GC |
26415 |
|
| ADS |
12126 |
|
BD |
BD-07 4876 |
|
Distance |
173.61 |
|
Distance ly |
566.32 |
|
ORBITAL ELEMENTS
| Period (P) | 108.72y | |
Periastron (T) | 1944.25y | |
Semi-major axis (a) | 0.246a | |
| Eccentricity (e) | 0.647 | |
Inclination (i) | 129.7° | |
Longitude of periastron (ω) | 253.2° | |
| Node (Ω) | 115.2° | |
Notes | n | |
Reference | Doc2017f | |
| Equinox | 2000 | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
48.7 |
0.272 |
| 2001 |
47.3 |
0.270 |
| 2002 |
46.0 |
0.268 |
| 2003 |
44.6 |
0.266 |
| 2004 |
43.3 |
0.265 |
| 2005 |
41.8 |
0.263 |
| 2006 |
40.4 |
0.261 |
| 2007 |
39.0 |
0.259 |
| 2008 |
37.5 |
0.257 |
| 2009 |
36.0 |
0.255 |
| 2010 |
34.5 |
0.253 |
| 2011 |
33.0 |
0.250 |
| 2012 |
31.4 |
0.248 |
| 2013 |
29.8 |
0.246 |
| 2014 |
28.2 |
0.244 |
| 2015 |
26.5 |
0.242 |
| 2016 |
24.8 |
0.240 |
| 2017 |
23.1 |
0.237 |
| 2018 |
21.4 |
0.235 |
| 2019 |
19.6 |
0.233 |
| 2020 |
17.8 |
0.231 |
| 2021 |
15.9 |
0.228 |
| 2022 |
14.0 |
0.226 |
| 2023 |
12.1 |
0.224 |
| 2024 |
10.1 |
0.221 |
| 2025 |
8.1 |
0.219 |
| 2026 |
6.0 |
0.217 |
| 2027 |
3.9 |
0.214 |
| 2028 |
1.8 |
0.212 |
| 2029 |
359.6 |
0.209 |
| 2030 |
357.3 |
0.207 |
|
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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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