00519-4343 I 47 (HD 5042)

 
 
00h 51m 52.18s -43 42' 32.3" P.A. 31.00 sep 0.6 mag 7.45,7.95 Sp F2V+F5V dist. 95.6 pc (311.85 l.y.)
 
 
Coord 2000 00519-4343 Discov num I    47 Comp Coord arcsec 2000 00 51 52.18 -43 42 32.3
Date first 1895 Date last 2019 Obs 43
Pa first 0 Pa last 31.3 P.A. Now (θ) 31.3°
Sep first 1.0 Sep last 0.602 Sep. Now (ρ) 0.602"
Mag pri 7.45 Mag sec 7.95 delta mag (ΔM) 0.5 Spectral class F2V+F5V (yellow-white/yellow-white)
Pri motion ra +031 Sec motion ra +031
Pri motion dec +002 Sec motion dec +002
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5042 Constellation Phoenix SAO 215270 HIP 4049
Tycho2 7538-00690-1 Gaia DR2 4985607176887207552 HD 5042 HR 245
GC 1037 CD CD-44 226 CP CP-44 107 Distance 95.6
Distance ly 311.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)516.5y± 43.1 Periastron (T)1850.7y± 42.6 Semi-major axis (a)1.228a± 0.154
Eccentricity (e)0.112± 0.026 Inclination (i)77°± 2.6 Longitude of periastron (ω)298.2°± 5.6
Node (Ω)4.5°± 1.8 Notes ReferenceCve2010e
Equinox2000 Last observation2001 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 21.8 0.781
2001 22.2 0.772
2002 22.6 0.762
2003 23.0 0.752
2004 23.5 0.742
2005 23.9 0.732
2006 24.3 0.723
2007 24.8 0.713
2008 25.3 0.703
2009 25.7 0.693
2010 26.2 0.682
2011 26.7 0.672
2012 27.3 0.662
2013 27.8 0.652
2014 28.4 0.642
2015 29.0 0.632
2016 29.6 0.621
2017 30.2 0.611
2018 30.8 0.601
2019 31.5 0.591
2020 32.2 0.580
2021 32.9 0.570
2022 33.6 0.560
2023 34.4 0.550
2024 35.2 0.540
2025 36.0 0.530
2026 36.8 0.520
2027 37.7 0.510
2028 38.6 0.500
2029 39.6 0.490
2030 40.6 0.480


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



 
 


wds00519-4343b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic