10283-2416 TOK 537 Aa,Ab
10h 28m 17.22s -24° 15' 56.1" P.A. 130.00 sep 0.1 mag 9.40,11.40 Sp K5V dist. 35.6 pc (116.13 l.y.)
| Coord 2000 |
10283-2416 |
|
Discov num |
TOK 537 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
10 28 17.22 -24 15 56.1 |
|
| Date first |
2018 |
|
Date last |
2021 |
|
Obs |
7 |
|
| Pa first |
27 |
|
Pa last |
130.1 |
|
P.A. Now (θ) |
130.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.106 |
|
Sep. Now (ρ) |
0.106" |
|
| Mag pri |
9.40 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
-137 |
|
Sec motion ra |
|
|
| Pri motion dec |
+096 |
|
Sec motion dec |
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|
| Notes |
O
R
(Orbital solution, Red magnitudes) |
|
This double is physical.
10283-2416 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
10 28 17 -24 15 56 |
TOK 537 Aa,Ab |
2021 |
7 |
130 |
0.1 |
9.40 |
11.40 |
2.00 |
Y |
<=== |
| Show |
|
|
10 28 17 -24 15 56 |
TOK 537 AB |
2015 |
3 |
95 |
999.9 |
9.66 |
14.81 |
5.15 |
|
|
| Show |
|
|
10 28 17 -24 15 56 |
TOK 537 AC |
2015 |
4 |
59 |
999.9 |
9.66 |
15.41 |
5.75 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hydra |
|
HIP |
51263 |
|
Tycho2 |
6620-00655-1 |
|
CD |
CD-23 9305 |
|
| CP |
CP-23 4943 |
|
Distance |
35.6 |
|
Distance ly |
116.13 |
|
ORBITAL ELEMENTS
| Period (P) | 40y | |
Periastron (T) | 2021.66y | |
Semi-major axis (a) | 0.342a | |
| Eccentricity (e) | 0.61 | |
Inclination (i) | 50.5° | |
Longitude of periastron (ω) | 326.1° | |
| Node (Ω) | 174.1° | |
Notes | | |
Reference | Tok2021f | |
| Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
327.3 |
0.481 |
| 2001 |
329.5 |
0.491 |
| 2002 |
331.7 |
0.500 |
| 2003 |
333.8 |
0.506 |
| 2004 |
335.8 |
0.510 |
| 2005 |
337.9 |
0.511 |
| 2006 |
339.9 |
0.510 |
| 2007 |
342.0 |
0.506 |
| 2008 |
344.1 |
0.499 |
| 2009 |
346.2 |
0.489 |
| 2010 |
348.5 |
0.476 |
| 2011 |
350.9 |
0.460 |
| 2012 |
353.6 |
0.439 |
| 2013 |
356.5 |
0.415 |
| 2014 |
359.8 |
0.386 |
| 2015 |
3.7 |
0.352 |
| 2016 |
8.5 |
0.313 |
| 2017 |
14.8 |
0.267 |
| 2018 |
23.9 |
0.216 |
| 2019 |
39.3 |
0.160 |
| 2020 |
69.9 |
0.111 |
| 2021 |
121.8 |
0.101 |
| 2022 |
162.3 |
0.131 |
| 2023 |
188.2 |
0.153 |
| 2024 |
209.5 |
0.162 |
| 2025 |
228.8 |
0.170 |
| 2026 |
246.0 |
0.183 |
| 2027 |
260.5 |
0.201 |
| 2028 |
272.3 |
0.224 |
| 2029 |
281.9 |
0.249 |
| 2030 |
289.7 |
0.275 |
|
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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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