12357-1650 FIN 368Aa,Ab

 
 
12h 35m 42.81s -16 49' 34.1" P.A. 296.9 sep 0.13 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
2017
Obs
19
Pa first
118
Pa last
307
P.A. Now (θ)
296.9°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.13"
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
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
12357-1650 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 157382 12357-1650 FIN 368 Aa,Ab 1960 2017 19 297 0.1 6.83 9.93 3.10 Y <===
Show 157382 12357-1650 HJ 1218 AB 1828 2015 14 260 11.5 6.74 11.00 4.26
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.6
Precise sep
0.067
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
last precise pa
306.6
last precise sep
0.067
 
 
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)110.9° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.146 291.9
2001 0.145 288.7
2002 0.131 285.2
2003 0.106 280.5
2004 0.073 271.9
2005 0.039 247.8
2006 0.031 171.4
2007 0.063 134.3
2008 0.097 123.3
2009 0.125 117.8
2010 0.142 114.0
2011 0.147 110.8
2012 0.138 107.5
2013 0.116 103.4
2014 0.084 96.5
2015 0.045 78.7
2016 0.026 3.1
2017 0.059 314.4
2018 0.096 302.4
2019 0.125 296.9
2020 0.143 293.1
2021 0.147 290.0
2022 0.138 286.7
2023 0.117 282.6
2024 0.087 276.0
2025 0.052 261.0
2026 0.027 204.8
2027 0.049 143.0
2028 0.084 126.5
2029 0.115 119.6
2030 0.137 115.4

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds12357-1650b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12357-1650 FIN 368 Aa,Ab 2006 13 108 0.1 6.83 9.93 F4V 123542.81-164934.1
12357-1650 FIN 368 Aa,Ab 2009 14 116 0.1 6.83 9.93 F4V 123542.81-164934.1
12357-1650 FIN 368 Aa,Ab 2012 15 107 0.1 6.83 9.93 F4V O 123542.81-164934.1
12357-1650 FIN 368 Aa,Ab 2015 18 79 0.0 6.83 9.93 F4V NO 123542.81-164934.1
12357-1650 FIN 368 Aa,Ab 2017 19 307 0.1 6.83 9.93 F4V NO 123542.81-164934.1

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