19563-3137 TOK 698 (Phi Aql)
19h 56m 16.66s -31° 36' 48.7" P.A. 239.00 sep 0.1 mag 8.30,9.70 Sp G3V dist. 67.29 pc (219.5 l.y.)
| Coord 2000 |
19563-3137 |
|
Discov num |
TOK 698 |
|
Comp |
|
|
Coord arcsec 2000 |
19 56 16.66 -31 36 48.7 |
|
| Date first |
2015 |
|
Date last |
2020 |
|
Obs |
9 |
|
| Pa first |
59 |
|
Pa last |
238.5 |
|
P.A. Now (θ) |
238.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.12 |
|
Sep. Now (ρ) |
0.12" |
|
| Mag pri |
8.30 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
|
|
| Pri motion dec |
-171 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Phi Aql |
|
Constellation |
Sagittarius |
|
SAO |
211668 |
|
HIP |
98103 |
|
| Tycho2 |
7439-00300-1 |
|
Gaia DR2 |
6748261690744963840 |
|
HD |
188432 |
|
HR |
7610 |
|
| GC |
27604 |
|
BD |
BD+11 4055 |
|
CD |
CD-3117176 |
|
CP |
CP-31 6177 |
|
| Bayer |
Phi Aquilae |
|
Bayer name |
Phi Aql |
|
FK5 |
3590 |
|
Distance |
67.29 |
|
| Distance ly |
219.5 |
|
Bayer greek |
φ Aql |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Aql vs Sgr)
ORBITAL ELEMENTS
| Period (P) | 13y | |
Periastron (T) | 2016.29y | |
Semi-major axis (a) | 0.1063a | |
| Eccentricity (e) | 0.292 | |
Inclination (i) | 90.8° | |
Longitude of periastron (ω) | 44° | |
| Node (Ω) | 59.8° | |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
63.8 |
0.023 |
| 2001 |
60.9 |
0.061 |
| 2002 |
60.1 |
0.081 |
| 2003 |
59.4 |
0.067 |
| 2004 |
55.1 |
0.013 |
| 2005 |
241.1 |
0.049 |
| 2006 |
240.2 |
0.095 |
| 2007 |
239.9 |
0.120 |
| 2008 |
239.6 |
0.126 |
| 2009 |
239.3 |
0.116 |
| 2010 |
238.9 |
0.093 |
| 2011 |
238.2 |
0.060 |
| 2012 |
234.8 |
0.020 |
| 2013 |
63.8 |
0.023 |
| 2014 |
60.9 |
0.061 |
| 2015 |
60.1 |
0.081 |
| 2016 |
59.4 |
0.067 |
| 2017 |
55.1 |
0.013 |
| 2018 |
241.1 |
0.049 |
| 2019 |
240.2 |
0.095 |
| 2020 |
239.9 |
0.120 |
| 2021 |
239.6 |
0.126 |
| 2022 |
239.3 |
0.116 |
| 2023 |
238.9 |
0.093 |
| 2024 |
238.2 |
0.060 |
| 2025 |
234.8 |
0.020 |
| 2026 |
63.8 |
0.023 |
| 2027 |
60.9 |
0.061 |
| 2028 |
60.1 |
0.081 |
| 2029 |
59.4 |
0.067 |
| 2030 |
55.1 |
0.013 |
| 2031 |
241.1 |
0.049 |
| 2032 |
240.2 |
0.095 |
| 2033 |
239.9 |
0.120 |
| 2034 |
239.6 |
0.126 |
| 2035 |
239.3 |
0.116 |
| 2036 |
238.9 |
0.093 |
| 2037 |
238.2 |
0.060 |
| 2038 |
234.8 |
0.020 |
| 2039 |
63.8 |
0.023 |
| 2040 |
60.9 |
0.061 |
| 2041 |
60.1 |
0.081 |
| 2042 |
59.4 |
0.067 |
| 2043 |
55.1 |
0.013 |
| 2044 |
241.1 |
0.049 |
| 2045 |
240.2 |
0.095 |
| 2046 |
239.9 |
0.120 |
| 2047 |
239.6 |
0.126 |
| 2048 |
239.3 |
0.116 |
| 2049 |
238.9 |
0.093 |
| 2050 |
238.2 |
0.060 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
