12357-1650 FIN 368 Aa,Ab
12h 35m 42.81s -16° 49' 34.1" P.A. 111.00 sep 0.1 mag 6.83,9.93 Sp F4V dist. 73.75 pc (240.57 l.y.)
Coord 2000 |
12357-1650 |
|
Discov num |
FIN 368 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
12 35 42.81 -16 49 34.1 |
|
Date first |
1960 |
|
Date last |
2021 |
|
Obs |
23 |
|
Pa first |
118 |
|
Pa last |
110.8 |
|
P.A. Now (θ) |
102.6° |
|
Sep first |
0.1 |
|
Sep last |
0.14 |
|
Sep. Now (ρ) |
0.117" |
|
Mag pri |
6.83 |
|
Mag sec |
9.93 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
F4V (yellow-white) |
|
Pri motion ra |
-086 |
|
Sec motion ra |
|
|
Pri motion dec |
+017 |
|
Sec motion dec |
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|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
12357-1650 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
157382 |
12 35 43 -16 49 34 |
FIN 368 Aa,Ab |
2021 |
23 |
111 |
0.1 |
6.83 |
9.93 |
3.10 |
Y |
<=== |
Show |
HD 109557 |
157382 |
12 35 43 -16 49 34 |
HJ 1218 AB |
2015 |
14 |
260 |
11.5 |
6.74 |
11.00 |
4.26 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Corvus |
|
SAO |
157382 |
|
HIP |
61463 |
|
Tycho2 |
6103-02397-1 |
|
Gaia DR2 |
3523321827945248384 |
|
HD |
109557 |
|
BD |
BD-16 3499 |
|
Distance |
73.75 |
|
Distance ly |
240.57 |
|
ORBITAL ELEMENTS
Period (P) | 20.39y | |
Periastron (T) | 2015.707y | |
Semi-major axis (a) | 0.147a | |
Eccentricity (e) | 0.036 | |
Inclination (i) | 100.2° | |
Longitude of periastron (ω) | 87.7° | |
Node (Ω) | 290.9° | |
Notes | | |
Reference | Tok2018e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
111.9 |
0.146 |
2001 |
108.7 |
0.145 |
2002 |
105.2 |
0.131 |
2003 |
100.5 |
0.106 |
2004 |
91.9 |
0.073 |
2005 |
67.8 |
0.039 |
2006 |
351.4 |
0.031 |
2007 |
314.3 |
0.063 |
2008 |
303.3 |
0.097 |
2009 |
297.8 |
0.125 |
2010 |
294.0 |
0.142 |
2011 |
290.8 |
0.147 |
2012 |
287.5 |
0.138 |
2013 |
283.4 |
0.116 |
2014 |
276.5 |
0.084 |
2015 |
258.7 |
0.045 |
2016 |
183.1 |
0.026 |
2017 |
134.4 |
0.059 |
2018 |
122.4 |
0.096 |
2019 |
116.9 |
0.125 |
2020 |
113.1 |
0.143 |
2021 |
110.0 |
0.147 |
2022 |
106.7 |
0.138 |
2023 |
102.6 |
0.117 |
2024 |
96.0 |
0.087 |
2025 |
81.0 |
0.052 |
2026 |
24.8 |
0.027 |
2027 |
323.0 |
0.049 |
2028 |
306.5 |
0.084 |
2029 |
299.6 |
0.115 |
2030 |
295.4 |
0.137 |
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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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