11395-6524 B 1705 AB
11h 39m 29.63s -65° 23' 51.9" P.A. 109.00 sep 0.2 mag 5.52,6.61 Sp G2III+A0V dist. 153.85 pc (501.86 l.y.)
| Coord 2000 |
11395-6524 |
|
Discov num |
B 1705 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 39 29.63 -65 23 51.9 |
|
| Date first |
1930 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
119 |
|
Pa last |
108.8 |
|
P.A. Now (θ) |
113.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.227 |
|
Sep. Now (ρ) |
0.232" |
|
| Mag pri |
5.52 |
|
Mag sec |
6.61 |
|
delta mag (ΔM) |
1.09 |
|
Spectral class |
G2III+A0V (yellow/white) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
11395-6524 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
251522 |
11 39 30 -65 23 52 |
B 1705 AB |
2018 |
16 |
109 |
0.2 |
5.52 |
6.61 |
1.09 |
Y |
<=== |
| Show |
GT Mus |
251522 |
11 39 30 -65 23 52 |
I 34 AB,C |
2015 |
6 |
233 |
35.9 |
5.17 |
12.04 |
6.87 |
|
|
| Show |
|
251522 |
11 39 30 -65 23 52 |
I 34 AB,D |
2015 |
7 |
32 |
43.5 |
5.17 |
12.50 |
7.33 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
GT Mus |
|
Constellation |
Musca |
|
SAO |
251522 |
|
HIP |
56862 |
|
| Tycho2 |
8980-02292-1 |
|
Gaia DR2 |
5236523877939131008 |
|
HD |
101379 |
|
HR |
4492 |
|
| GC |
16004 |
|
CD |
CD-64 554 |
|
CP |
CP-64 1685 |
|
Distance |
153.85 |
|
| Distance ly |
501.86 |
|
ORBITAL ELEMENTS
| Period (P) | 96.8y | ± 2.4 |
Periastron (T) | 2003.55y | ± 0.29 |
Semi-major axis (a) | 0.276a | ± 0.004 |
| Eccentricity (e) | 0.634 | ± 0.015 |
Inclination (i) | 60.9° | ± 2 |
Longitude of periastron (ω) | 92.4° | ± 1.5 |
| Node (Ω) | 259.8° | ± 1.5 |
Notes | n | |
Reference | Tok2014a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
274.5 |
0.118 |
| 2001 |
284.1 |
0.094 |
| 2002 |
300.4 |
0.070 |
| 2003 |
331.1 |
0.052 |
| 2004 |
13.5 |
0.053 |
| 2005 |
42.4 |
0.072 |
| 2006 |
57.8 |
0.096 |
| 2007 |
67.1 |
0.119 |
| 2008 |
73.5 |
0.139 |
| 2009 |
78.4 |
0.156 |
| 2010 |
82.4 |
0.170 |
| 2011 |
85.9 |
0.182 |
| 2012 |
88.9 |
0.192 |
| 2013 |
91.7 |
0.200 |
| 2014 |
94.2 |
0.207 |
| 2015 |
96.6 |
0.213 |
| 2016 |
98.9 |
0.218 |
| 2017 |
101.2 |
0.221 |
| 2018 |
103.3 |
0.225 |
| 2019 |
105.4 |
0.227 |
| 2020 |
107.4 |
0.229 |
| 2021 |
109.5 |
0.230 |
| 2022 |
111.5 |
0.231 |
| 2023 |
113.4 |
0.232 |
| 2024 |
115.4 |
0.232 |
| 2025 |
117.4 |
0.232 |
| 2026 |
119.4 |
0.232 |
| 2027 |
121.3 |
0.232 |
| 2028 |
123.3 |
0.231 |
| 2029 |
125.3 |
0.231 |
| 2030 |
127.3 |
0.230 |
|
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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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