00348-5853 I   439

 
 
00h 34m 47.47s -58 53' 07.6" P.A. 318.00 sep 0.0 mag 9.96,9.86 Sp G3V dist. 81.1 pc (264.55 l.y.)
 
 
Coord 2000
00348-5853
Discov num
I   439
Comp
Coord arcsec 2000
00 34 47.47 -58 53 07.6
Date first
1911
Date last
2020
Obs
13
Pa first
102
Pa last
301
P.A. Now (θ)
318°
Sep first
1.1
Sep last
0.0
Sep. Now (ρ)
0.03"
Mag pri
9.96
Mag sec
9.86
delta mag (ΔM)
0.1
Spectral class
G3V (yellow)
Pri motion ra
+036
Sec motion ra
+036
Pri motion dec
-033
Sec motion dec
-033
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.2
Precise sep
0.029
Constellation
Tucana
SAO
232096
HIP
2726
Tycho2
8471-00802-1
Gaia DR2
4907047556414937856
HD
3207
CP
CP-59 46
Distance
81.1
Distance ly
264.55
last precise pa
301.2
last precise sep
0.029
 
 
ORBITAL ELEMENTS
 
 
Period (P)350y Periastron (T)2020.64y Semi-major axis (a)0.693a
Eccentricity (e)0.962 Inclination (i)47° Longitude of periastron (ω)152.1°
Node (Ω)116.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2021
label rho theta
2000 0.510 111.5
2001 0.495 111.8
2002 0.479 112.2
2003 0.463 112.6
2004 0.446 113.1
2005 0.429 113.6
2006 0.411 114.1
2007 0.393 114.6
2008 0.374 115.3
2009 0.354 116.0
2010 0.333 116.7
2011 0.312 117.6
2012 0.289 118.6
2013 0.266 119.8
2014 0.241 121.3
2015 0.214 123.1
2016 0.185 125.4
2017 0.154 128.6
2018 0.119 133.6
2019 0.079 143.2
2020 0.033 177.8
2021 0.032 318.0
2022 0.053 14.6
2023 0.079 36.6
2024 0.105 47.6
2025 0.131 54.3
2026 0.154 58.8
2027 0.177 62.2
2028 0.199 64.8
2029 0.220 66.9
2030 0.240 68.6


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



 
 


wds00348-5853a.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
00348-5853 I 439 1991 10 109 0.6 9.96 9.86 G3V D 003447.47-585307.6
00348-5853 I 439 2016 10 129 0.2 9.96 9.86 G3V 003447.47-585307.6
00348-5853 I 439 2018 11 137 0.1 9.96 9.86 G3V 003447.47-585307.6
00348-5853 I 439 2019 12 155 0.1 9.96 9.86 G3V 003447.47-585307.6

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