05276-2055 SEE 53 (HD 35973)

 
 
05h 27m 36.39s -20° 54' 57.1" P.A. 116.00 sep 0.3 mag 8.70,8.90 Sp F2V dist. 153.85 pc (501.86 l.y.)
 
 
Coord 2000 05276-2055 Discov num SEE  53 Comp Coord arcsec 2000 05 27 36.39 -20 54 57.1
Date first 1897 Date last 2019 Obs 24
Pa first 32 Pa last 116.4 P.A. Now (θ) 120.9°
Sep first 0.3 Sep last 0.255 Sep. Now (ρ) 0.253"
Mag pri 8.70 Mag sec 8.90 delta mag (ΔM) 0.2 Spectral class F2V (yellow-white)
Pri motion ra -016 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 35973 Constellation Lepus SAO 170444 HIP 25531
Tycho2 5927-00512-1 Gaia DR2 2968085395275848448 HD 35973 BD BD-21 1173
Distance 153.85 Distance ly 501.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)81.94y Periastron (T)1992.59y Semi-major axis (a)0.188a
Eccentricity (e)0.413 Inclination (i)11.8° Longitude of periastron (ω)35°
Node (Ω)288° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 36.3 0.136
2001 43.4 0.143
2002 49.9 0.150
2003 55.8 0.156
2004 61.2 0.163
2005 66.2 0.170
2006 70.8 0.176
2007 75.1 0.183
2008 79.1 0.189
2009 82.9 0.195
2010 86.4 0.201
2011 89.8 0.206
2012 93.0 0.211
2013 96.0 0.216
2014 98.9 0.221
2015 101.7 0.226
2016 104.3 0.230
2017 106.9 0.234
2018 109.4 0.238
2019 111.8 0.241
2020 114.1 0.244
2021 116.4 0.247
2022 118.7 0.250
2023 120.9 0.253
2024 123.0 0.255
2025 125.1 0.257
2026 127.2 0.258
2027 129.3 0.260
2028 131.3 0.261
2029 133.3 0.262
2030 135.3 0.263


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



 
 


wds05276-2055a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic