19035-6845 FIN 357

 
 
19h 03m 29.68s -68 45' 19.9" P.A. 296.7 sep 0.1 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
2017
Obs
16
Pa first
16
Pa last
315
P.A. Now (θ)
296.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
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
314.7
Precise sep
0.099
Cdsa2 id
FIN 357
Constellation
Pavo
SAO
254446
HIP
93574
HD
175986
HR
7161
Ra deg
19.058244444444444
De deg
-68.75552777777777
Distance
56.31
Distance ly
183.68
last precise pa
314.7
last precise sep
0.099
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.159y± 0.1 Periastron (T)2018.474y± 0.05 Semi-major axis (a)0.154a± 0.003
Eccentricity (e)0.355± 0.01 Inclination (i)155.9°± 2 Longitude of periastron (ω)205.8°± 4
Node (Ω)116°± 2 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.173 53.7
2001 0.153 34.3
2002 0.132 8.7
2003 0.114 334.2
2004 0.100 288.7
2005 0.098 234.7
2006 0.117 188.3
2007 0.146 158.1
2008 0.173 137.8
2009 0.192 122.4
2010 0.203 109.2
2011 0.206 97.0
2012 0.202 84.7
2013 0.192 71.5
2014 0.176 56.3
2015 0.156 37.7
2016 0.135 13.3
2017 0.116 340.4
2018 0.102 296.7
2019 0.097 243.3
2020 0.113 194.5
2021 0.142 162.1
2022 0.169 140.7
2023 0.189 124.7
2024 0.201 111.2
2025 0.206 98.9
2026 0.203 86.7
2027 0.194 73.7
2028 0.179 58.9
2029 0.160 41.0
2030 0.138 17.7

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

grafico orbita





wds19035-6845b.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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