19035-6845 FIN 357

 
 
19h 03m 29.68s -68 45' 19.9" P.A. 223.5 sep 0.09 mag 6.58,6.96 Sp F8V dist. 56.31 pc (183.68 l.y.)
 
 
Coord 2000
19035-6845
Discov num
FIN 357
Comp
Coord arcsec 2000
19 03 29.68 -68 45 19.9
Date first
1959
Date last
2018
Obs
18
Pa first
16
Pa last
232
P.A. Now (θ)
223.5°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.09"
Mag pri
6.58
Mag sec
6.96
delta mag (ΔM)
0.38
Spectral class
F8V (yellow-white)
Pri motion ra
-019
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.6
Precise sep
0.091
Constellation
Pavo
SAO
254446
HIP
93574
Tycho2
9292-02325-1
Gaia DR2
77211390208
HD
175986
HR
7161
CP
CP-68 3180
Distance
56.31
Distance ly
183.68
last precise pa
231.6
last precise sep
0.091
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.05y± 0.06 Periastron (T)2018.226y± 0.04 Semi-major axis (a)0.142a± 0.001
Eccentricity (e)0.385± 0.003 Inclination (i)163.5°± 0.5 Longitude of periastron (ω)193.9°± 1.5
Node (Ω)101.9°± 1.5 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.169 51.0
2001 0.149 32.8
2002 0.125 8.2
2003 0.101 331.8
2004 0.088 279.1
2005 0.093 220.8
2006 0.116 177.8
2007 0.143 150.2
2008 0.166 131.0
2009 0.182 115.9
2010 0.193 103.0
2011 0.196 90.9
2012 0.194 79.0
2013 0.185 66.2
2014 0.170 51.8
2015 0.150 33.9
2016 0.126 9.7
2017 0.102 334.0
2018 0.088 282.0
2019 0.092 223.5
2020 0.115 179.5
2021 0.141 151.3
2022 0.165 131.8
2023 0.182 116.6
2024 0.192 103.6
2025 0.196 91.5
2026 0.194 79.6
2027 0.185 66.9
2028 0.171 52.5
2029 0.151 34.9
2030 0.127 11.1

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






wds19035-6845e.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
19035-6845 FIN 357 1991 13 172 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2008 14 126 0.2 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2015 15 26 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2017 16 315 0.1 6.58 6.96 F8V NO 190329.68-684519.9

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