16289+1825 STF 2052 AB (HD 148653)
16h 28m 52.67s +18° 24' 50.6" P.A. 117.00 sep 2.5 mag 7.69,7.91 Sp K3V+K3V dist. 19.66 pc (64.13 l.y.)
| Coord 2000 |
16289+1825 |
|
Discov num |
STF2052 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 28 52.67 +18 24 50.6 |
|
| Date first |
1822 |
|
Date last |
2022 |
|
Obs |
575 |
|
| Pa first |
109 |
|
Pa last |
117.2 |
|
P.A. Now (θ) |
116.4° (calc) |
|
| Sep first |
2.7 |
|
Sep last |
2.48 |
|
Sep. Now (ρ) |
2.58" (calc) |
|
| Mag pri |
7.69 |
|
Mag sec |
7.91 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
K3V+K3V (yellow-orange/yellow-orange) |
|
| Pri motion ra |
-349 |
|
Sec motion ra |
-324 |
|
| Pri motion dec |
+383 |
|
Sec motion dec |
+383 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.048 (< 0.3, Physical double)
This double is physical.
16289+1825 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 148653 |
102200 |
16 28 53 +18 24 51 |
STF 2052 AB |
2022 |
575 |
117 |
2.5 |
7.69 |
7.91 |
0.22 |
Y |
<=== |
| Show |
|
102200 |
16 28 53 +18 24 51 |
STF 2052 AC |
2016 |
6 |
44 |
136.4 |
7.69 |
11.80 |
4.11 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 148653 |
|
Constellation |
Hercules |
|
SAO |
102200 |
|
HIP |
80725 |
|
| Tycho2 |
1510-00051-1 |
|
HD |
148653 |
|
ADS |
10075 |
|
BD |
BD+18 3182 |
|
| Distance |
19.66 |
|
Distance ly |
64.13 |
|
ORBITAL ELEMENTS
| Period (P) | 229.4999y | ± 9.3543 |
Periastron (T) | 1921.0261y | ± 0.2633 |
Semi-major axis (a) | 2.23051a | ± 0.03738 |
| Eccentricity (e) | 0.7581 | ± 0.00521 |
Inclination (i) | 108.336° | ± 0.478 |
Longitude of periastron (ω) | 131.04° | ± 0.952 |
| Node (Ω) | 94.285° | ± 0.889 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
124.2 |
2.021 |
| 2001 |
123.9 |
2.046 |
| 2002 |
123.5 |
2.070 |
| 2003 |
123.1 |
2.095 |
| 2004 |
122.7 |
2.119 |
| 2005 |
122.4 |
2.143 |
| 2006 |
122.0 |
2.167 |
| 2007 |
121.7 |
2.190 |
| 2008 |
121.4 |
2.213 |
| 2009 |
121.1 |
2.236 |
| 2010 |
120.7 |
2.259 |
| 2011 |
120.4 |
2.281 |
| 2012 |
120.1 |
2.303 |
| 2013 |
119.8 |
2.325 |
| 2014 |
119.5 |
2.346 |
| 2015 |
119.2 |
2.367 |
| 2016 |
119.0 |
2.388 |
| 2017 |
118.7 |
2.409 |
| 2018 |
118.4 |
2.429 |
| 2019 |
118.1 |
2.449 |
| 2020 |
117.9 |
2.469 |
| 2021 |
117.6 |
2.488 |
| 2022 |
117.4 |
2.507 |
| 2023 |
117.1 |
2.526 |
| 2024 |
116.9 |
2.544 |
| 2025 |
116.6 |
2.563 |
| 2026 |
116.4 |
2.580 |
| 2027 |
116.1 |
2.598 |
| 2028 |
115.9 |
2.615 |
| 2029 |
115.7 |
2.632 |
| 2030 |
115.4 |
2.649 |
| 2031 |
115.2 |
2.665 |
| 2032 |
115.0 |
2.681 |
| 2033 |
114.8 |
2.696 |
| 2034 |
114.5 |
2.712 |
| 2035 |
114.3 |
2.726 |
| 2036 |
114.1 |
2.741 |
| 2037 |
113.9 |
2.755 |
| 2038 |
113.7 |
2.769 |
| 2039 |
113.5 |
2.783 |
| 2040 |
113.3 |
2.796 |
| 2041 |
113.1 |
2.809 |
| 2042 |
112.9 |
2.821 |
| 2043 |
112.7 |
2.833 |
| 2044 |
112.5 |
2.845 |
| 2045 |
112.3 |
2.856 |
| 2046 |
112.1 |
2.868 |
| 2047 |
111.9 |
2.878 |
| 2048 |
111.7 |
2.889 |
| 2049 |
111.5 |
2.898 |
| 2050 |
111.3 |
2.908 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
