14534+1542 STT 288 (HD 131473)
14h 53m 23.35s +15° 42' 18.3" P.A. 154.00 sep 1.0 mag 6.89,7.55 Sp F9V dist. 47.64 pc (155.4 l.y.)
| Coord 2000 |
14534+1542 |
|
Discov num |
STT 288 |
|
Comp |
|
|
Coord arcsec 2000 |
14 53 23.35 +15 42 18.3 |
|
| Date first |
1843 |
|
Date last |
2021 |
|
Obs |
423 |
|
| Pa first |
224 |
|
Pa last |
153.5 |
|
P.A. Now (θ) |
153.5° |
|
| Sep first |
0.3 |
|
Sep last |
1.01 |
|
Sep. Now (ρ) |
1.01" |
|
| Mag pri |
6.89 |
|
Mag sec |
7.55 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
F9V (yellow-white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
+030 |
|
Sec motion dec |
+030 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 131473 |
|
Constellation |
Bootes |
|
SAO |
101273 |
|
HIP |
72846 |
|
| Tycho2 |
1478-00843-1 |
|
Gaia DR2 |
1186325496788069632 |
|
HD |
131473 |
|
HR |
5550 |
|
| GC |
20032 |
|
ADS |
9425 |
|
BD |
BD+16 2705 |
|
Distance |
47.64 |
|
| Distance ly |
155.4 |
|
ORBITAL ELEMENTS
| Period (P) | 313y | |
Periastron (T) | 1824y | |
Semi-major axis (a) | 1.358a | |
| Eccentricity (e) | 0.5 | |
Inclination (i) | 108.5° | |
Longitude of periastron (ω) | 49° | |
| Node (Ω) | 12.5° | |
Notes | n | |
Reference | Hei1998 | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
165.8 |
1.204 |
| 2001 |
165.4 |
1.192 |
| 2002 |
165.0 |
1.179 |
| 2003 |
164.6 |
1.167 |
| 2004 |
164.2 |
1.154 |
| 2005 |
163.7 |
1.142 |
| 2006 |
163.3 |
1.129 |
| 2007 |
162.8 |
1.116 |
| 2008 |
162.3 |
1.104 |
| 2009 |
161.9 |
1.091 |
| 2010 |
161.4 |
1.078 |
| 2011 |
160.9 |
1.065 |
| 2012 |
160.3 |
1.052 |
| 2013 |
159.8 |
1.039 |
| 2014 |
159.3 |
1.025 |
| 2015 |
158.7 |
1.012 |
| 2016 |
158.1 |
0.999 |
| 2017 |
157.5 |
0.986 |
| 2018 |
156.9 |
0.972 |
| 2019 |
156.3 |
0.959 |
| 2020 |
155.6 |
0.946 |
| 2021 |
155.0 |
0.932 |
| 2022 |
154.3 |
0.919 |
| 2023 |
153.6 |
0.906 |
| 2024 |
152.9 |
0.893 |
| 2025 |
152.1 |
0.879 |
| 2026 |
151.4 |
0.866 |
| 2027 |
150.6 |
0.853 |
| 2028 |
149.8 |
0.840 |
| 2029 |
148.9 |
0.826 |
| 2030 |
148.1 |
0.813 |
|
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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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