03101-6355 FIN 361 Aa,Ab

 
 
03h 10m 03.26s -63° 54' 49.1" P.A. 75.00 sep 0.2 mag 7.35,7.59 Sp A3III/IV dist. 256.41 pc (836.41 l.y.)
 
 
Coord 2000 03101-6355 Discov num FIN 361 Comp Aa,Ab Coord arcsec 2000 03 10 03.26 -63 54 49.1
Date first 1961 Date last 2020 Obs 19
Pa first 74 Pa last 75.3 P.A. Now (θ) 75.3°
Sep first 0.2 Sep last 0.154 Sep. Now (ρ) 0.154"
Mag pri 7.35 Mag sec 7.59 delta mag (ΔM) 0.24 Spectral class A3III/IV (white)
Pri motion ra +040 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03101-6355 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 248748 03 10 03 -63 54 49 FIN 361 Aa,Ab 2020 19 75 0.2 7.35 7.59 0.24 Y <===
Show HD 20060 248748 03 10 03 -63 54 49 HJ 3559 AB 2015 14 41 43.2 6.67 10.14 3.47
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Horologium SAO 248748 HIP 14709 Tycho2 8863-00549-1
Gaia DR2 4720448785230716672 HD 20060 ADS 20060 CP CP-64 229
Distance 256.41 Distance ly 836.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)200y Periastron (T)2000.96y Semi-major axis (a)0.224a
Eccentricity (e)0.4 Inclination (i)62.9° Longitude of periastron (ω)257.9°
Node (Ω)89° Notesn ReferenceTok2021c
Equinox2000 Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 326.0 0.070
2001 334.1 0.066
2002 343.2 0.063
2003 352.9 0.062
2004 2.8 0.062
2005 12.5 0.064
2006 21.4 0.067
2007 29.4 0.071
2008 36.5 0.076
2009 42.5 0.082
2010 47.8 0.088
2011 52.3 0.095
2012 56.2 0.102
2013 59.6 0.109
2014 62.6 0.115
2015 65.3 0.122
2016 67.7 0.129
2017 69.9 0.135
2018 71.8 0.142
2019 73.6 0.148
2020 75.3 0.154
2021 76.8 0.159
2022 78.3 0.165
2023 79.6 0.170
2024 80.9 0.175
2025 82.1 0.180
2026 83.2 0.184
2027 84.3 0.188
2028 85.3 0.192
2029 86.3 0.196
2030 87.3 0.199


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



 
 


wds03101-6355a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic