10476-1538 TOK 714 Aa,Ab
10h 47m 36.55s -15° 37' 36.1" P.A. 74.00 sep 0.0 mag 8.20,8.80 Sp F7II/III dist. 83.19 pc (271.37 l.y.)
| Coord 2000 |
10476-1538 |
|
Discov num |
TOK 714 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
10 47 36.55 -15 37 36.1 |
|
| Date first |
2016 |
|
Date last |
2021 |
|
Obs |
12 |
|
| Pa first |
73 |
|
Pa last |
73.7 |
|
P.A. Now (θ) |
73.7° |
|
| Sep first |
0.0 |
|
Sep last |
0.03 |
|
Sep. Now (ρ) |
0.03" |
|
| Mag pri |
8.20 |
|
Mag sec |
8.80 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
F7II/III (yellow-white) |
|
| Pri motion ra |
-113 |
|
Sec motion ra |
|
|
| Pri motion dec |
-041 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
10476-1538 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
156233 |
10 47 37 -15 37 36 |
TOK 714 Aa,Ab |
2021 |
12 |
74 |
0.0 |
8.20 |
8.80 |
0.60 |
Y |
<=== |
| Show |
HD 93527 |
156233 |
10 47 37 -15 37 36 |
STF 1473 AB |
2015 |
32 |
10 |
30.5 |
7.74 |
8.86 |
1.12 |
|
|
| Show |
|
156233 |
10 47 37 -15 37 36 |
STF 1473 AC |
2020 |
8 |
333 |
96.1 |
7.74 |
12.50 |
4.76 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hydra |
|
SAO |
156233 |
|
HIP |
52792 |
|
Tycho2 |
6075-01830-1 |
|
| Gaia DR2 |
3557658442209386624 |
|
HD |
93527 |
|
BD |
BD-14 3184 |
|
Distance |
83.19 |
|
| Distance ly |
271.37 |
|
ORBITAL ELEMENTS
| Period (P) | 9.32y | |
Periastron (T) | 2015.59y | |
Semi-major axis (a) | 0.0572a | |
| Eccentricity (e) | 0.103 | |
Inclination (i) | 117.1° | |
Longitude of periastron (ω) | 43.3° | |
| Node (Ω) | 120.2° | |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
304.4 |
0.060 |
| 2001 |
288.8 |
0.058 |
| 2002 |
266.5 |
0.043 |
| 2003 |
214.2 |
0.028 |
| 2004 |
154.4 |
0.039 |
| 2005 |
127.4 |
0.052 |
| 2006 |
105.2 |
0.046 |
| 2007 |
55.6 |
0.026 |
| 2008 |
336.9 |
0.036 |
| 2009 |
309.8 |
0.056 |
| 2010 |
293.9 |
0.061 |
| 2011 |
275.3 |
0.049 |
| 2012 |
236.1 |
0.031 |
| 2013 |
168.7 |
0.033 |
| 2014 |
134.4 |
0.049 |
| 2015 |
113.1 |
0.050 |
| 2016 |
78.6 |
0.032 |
| 2017 |
354.6 |
0.029 |
| 2018 |
316.1 |
0.051 |
| 2019 |
298.8 |
0.061 |
| 2020 |
282.3 |
0.054 |
| 2021 |
253.0 |
0.036 |
| 2022 |
188.0 |
0.029 |
| 2023 |
142.6 |
0.045 |
| 2024 |
119.9 |
0.053 |
| 2025 |
93.7 |
0.039 |
| 2026 |
21.2 |
0.024 |
| 2027 |
324.1 |
0.045 |
| 2028 |
303.7 |
0.060 |
| 2029 |
288.1 |
0.058 |
| 2030 |
265.2 |
0.042 |
|
|
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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