12250-0414 TOK 400 AB (HD 108081)
12h 24m 58.94s -04° 13' 32.3" P.A. 166.00 sep 0.1 mag 8.10,11.90 Sp G5V dist. 46.62 pc (152.07 l.y.)
Coord 2000 |
12250-0414 |
|
Discov num |
TOK 400 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 24 58.94 -04 13 32.3 |
|
Date first |
2014 |
|
Date last |
2021 |
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Obs |
10 |
|
Pa first |
71 |
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Pa last |
165.9 |
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P.A. Now (θ) |
165.9° |
|
Sep first |
0.2 |
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Sep last |
0.117 |
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Sep. Now (ρ) |
0.117" |
|
Mag pri |
8.10 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
G5V (yellow) |
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Pri motion ra |
-124 |
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Sec motion ra |
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Pri motion dec |
-210 |
|
Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
12250-0414 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 108081 |
138762 |
12 24 59 -04 13 32 |
TOK 400 AB |
2021 |
10 |
166 |
0.1 |
8.10 |
11.90 |
3.80 |
Y |
<=== |
Show |
|
138762 |
12 24 59 -04 13 32 |
NSN 123 AC |
2015 |
2 |
190 |
6.2 |
8.79 |
15.92 |
7.13 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 108081 |
|
Constellation |
Virgo |
|
SAO |
138762 |
|
HIP |
60574 |
|
Tycho2 |
4944-00750-1 |
|
HD |
108081 |
|
GC |
16925 |
|
GL |
NN 3723 |
|
BD |
BD-03 3280 |
|
Distance |
46.62 |
|
Distance ly |
152.07 |
|
ORBITAL ELEMENTS
Period (P) | 27.9y | ± 6.4 |
Periastron (T) | 2018.65y | ± 0.05 |
Semi-major axis (a) | 0.238a | ± 0.035 |
Eccentricity (e) | 0.656 | ± 0.054 |
Inclination (i) | 129.5° | ± 2.4 |
Longitude of periastron (ω) | 173.8° | ± 2.8 |
Node (Ω) | 98.3° | ± 3.5 |
Notes | n | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
114.0 |
0.343 |
2001 |
111.2 |
0.361 |
2002 |
108.6 |
0.375 |
2003 |
106.2 |
0.385 |
2004 |
103.9 |
0.391 |
2005 |
101.6 |
0.393 |
2006 |
99.3 |
0.392 |
2007 |
97.0 |
0.386 |
2008 |
94.6 |
0.377 |
2009 |
92.0 |
0.364 |
2010 |
89.2 |
0.346 |
2011 |
86.1 |
0.324 |
2012 |
82.5 |
0.297 |
2013 |
78.1 |
0.265 |
2014 |
72.3 |
0.228 |
2015 |
63.9 |
0.184 |
2016 |
49.9 |
0.136 |
2017 |
20.3 |
0.089 |
2018 |
320.2 |
0.073 |
2019 |
264.1 |
0.082 |
2020 |
210.3 |
0.082 |
2021 |
170.2 |
0.111 |
2022 |
149.6 |
0.154 |
2023 |
138.0 |
0.196 |
2024 |
130.4 |
0.235 |
2025 |
124.8 |
0.269 |
2026 |
120.5 |
0.299 |
2027 |
116.9 |
0.324 |
2028 |
113.7 |
0.345 |
2029 |
110.9 |
0.363 |
2030 |
108.4 |
0.376 |
|
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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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