12357-1650 FIN 368Aa,Ab

 
 
12h 35m 42.81s -16 49' 34.1" P.A. 333.9 sep 0.05 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)
333.9°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.05"
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 19 334 0.0 6.83 9.93 3.10 Y <===
Show 157382 12357-1650 HJ 1218 AB 1828 2014 13 259 11.1 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
Cdsa2 id
FIN 368 Aa,Ab
Constellation
Corvus
SAO
157382
HIP
61463
Tycho2
6103-02397-1
HD
109557
BD
BD-16 3499
Ra deg
12.595225000000001
De deg
-16.826138888888888
Distance
73.75
Distance ly
240.57
last precise pa
306.6
last precise sep
0.067
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.07y± 0.1 Periastron (T)1985.52y± 0.09 Semi-major axis (a)0.1416a± 0.0009
Eccentricity (e)0.33 Inclination (i)100.5°± 0.8 Longitude of periastron (ω)260°
Node (Ω)116.4°± 0.6 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.101 310.0
2001 0.118 304.9
2002 0.126 300.8
2003 0.121 296.8
2004 0.097 291.6
2005 0.053 280.1
2006 0.020 179.1
2007 0.068 128.7
2008 0.109 120.7
2009 0.133 116.5
2010 0.142 113.3
2011 0.139 110.2
2012 0.127 106.7
2013 0.109 102.3
2014 0.086 95.7
2015 0.061 84.0
2016 0.040 58.0
2017 0.035 9.0
2018 0.053 333.9
2019 0.077 318.5
2020 0.099 310.5
2021 0.117 305.2
2022 0.126 301.0
2023 0.121 297.1
2024 0.099 292.1
2025 0.057 281.6
2026 0.018 191.5
2027 0.065 129.7
2028 0.107 121.0
2029 0.132 116.8
2030 0.142 113.5

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

grafico orbita





wds12357-1650a.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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