03147-3533 GAA 4 (TZ For)

 
 
03h 14m 40.09s -35° 33' 27.5" P.A. 247.00 sep 0.0 mag 7.51,7.76 Sp G8+F7III dist. 173.91 pc (567.29 l.y.)
 
 
Coord 2000 03147-3533 Discov num GAA   4 Comp Coord arcsec 2000 03 14 40.09 -35 33 27.5
Date first 2014 Date last 2015 Obs 11
Pa first 69 Pa last 247.2 P.A. Now (θ) 247.2°
Sep first 0.0 Sep last 0.003 Sep. Now (ρ) 0.003"
Mag pri 7.51 Mag sec 7.76 delta mag (ΔM) 0.25 Spectral class G8+F7III (yellow/yellow-white)
Pri motion ra +035 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name TZ For Constellation Fornax SAO 194176 HIP 15092
Tycho2 7026-00633-1 Gaia DR2 5047189109469319680 HD 20301 GC 3886
CD CD-36 1218 CP CP-36 331 Distance 173.91 Distance ly 567.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)75.66647d± 0.00006 Periastron (T)52599.2904d (2002.888y) Semi-major axis (a)2.993m± 0.03
Eccentricity (e)0.00002± 0.00003 Inclination (i)85.68°± 0.05 Longitude of periastron (ω)269.93°± 0.04
Node (Ω)65.99°± 0.03 Notesn ReferenceGaA2016
Equinox2000 Last observation2015 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 55.1 0.001
2001-01-01 251.0 0.002
2002-01-01 245.0 0.003
2003-01-01 229.8 0.001
2004-01-01 69.9 0.002
2005-01-01 64.4 0.003
2006-01-01 36.9
2007-01-01 249.1 0.002
2008-01-01 243.8 0.003
2009-01-01 167.5
2010-01-01 68.3 0.003
2011-01-01 63.1 0.002
2012-01-01 281.8
2013-01-01 247.7 0.003
2014-01-01 242.3 0.002
2015-01-01 84.3 0.001
2016-01-01 67.1 0.003
2017-01-01 61.3 0.002
2018-01-01 257.9 0.001
2019-01-01 246.6 0.003
2020-01-01 240.0 0.002
2021-01-01 74.6 0.001
2022-01-01 66.1 0.003
2023-01-01 58.2 0.001
2024-01-01 252.5 0.002
2025-01-01 245.6 0.003
2026-01-01 235.5 0.001
2027-01-01 71.1 0.002
2028-01-01 65.0 0.003
2029-01-01 50.6 0.001
2030-01-01 250.0 0.002


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



 
 


wds03147-3533a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic