12419-6444 HDS 1779 (HD 110310)

 
 
12h 41m 52.61s -64° 43' 43.5" P.A. 32.00 sep 0.1 mag 8.07,8.40 Sp F0/F2IV dist. 127.06 pc (414.47 l.y.)
 
 
Coord 2000 12419-6444 Discov num HDS1779 Comp Coord arcsec 2000 12 41 52.61 -64 43 43.5
Date first 1991 Date last 2021 Obs 13
Pa first 244 Pa last 31.7 P.A. Now (θ) 31.7°
Sep first 0.1 Sep last 0.051 Sep. Now (ρ) 0.051"
Mag pri 8.07 Mag sec 8.40 delta mag (ΔM) 0.33 Spectral class F0/F2IV (yellow-white)
Pri motion ra -021 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110310 Constellation Musca SAO 251995 HIP 61959
Tycho2 8996-00018-1 Gaia DR2 5861077543748050304 HD 110310 GC 17265
CP CP-64 1983 Distance 127.06 Distance ly 414.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)49y± 15 Periastron (T)2019.86y± 0.2 Semi-major axis (a)0.124a± 0.031
Eccentricity (e)0.675± 0.1 Inclination (i)118.1°± 10.5 Longitude of periastron (ω)128.2°± 10.5
Node (Ω)206.7°± 3.1 Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 230.2 0.162
2001 228.7 0.164
2002 227.2 0.164
2003 225.8 0.165
2004 224.3 0.164
2005 222.9 0.163
2006 221.4 0.162
2007 219.9 0.159
2008 218.3 0.156
2009 216.6 0.152
2010 214.9 0.146
2011 212.9 0.140
2012 210.8 0.132
2013 208.4 0.122
2014 205.5 0.111
2015 201.9 0.098
2016 197.0 0.082
2017 189.4 0.062
2018 173.8 0.040
2019 122.8 0.021
2020 51.6 0.032
2021 26.6 0.048
2022 12.0 0.055
2023 359.7 0.058
2024 348.0 0.058
2025 336.4 0.058
2026 325.1 0.059
2027 314.3 0.061
2028 304.4 0.064
2029 295.5 0.068
2030 287.6 0.073


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



 
 


wds12419-6444a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic