02405-2408 SEE 19 (HD 16753)

 
 
02h 40m 31.49s -24° 08' 07.5" P.A. 73.00 sep 0.1 mag 8.15,8.68 Sp F5V dist. 188.32 pc (614.3 l.y.)
 
 
Coord 2000 02405-2408 Discov num SEE  19 Comp Coord arcsec 2000 02 40 31.49 -24 08 07.5
Date first 1897 Date last 2021 Obs 42
Pa first 324 Pa last 72.6 P.A. Now (θ) 72.6°
Sep first 0.6 Sep last 0.098 Sep. Now (ρ) 0.098"
Mag pri 8.15 Mag sec 8.68 delta mag (ΔM) 0.53 Spectral class F5V (yellow-white)
Pri motion ra +022 Sec motion ra
Pri motion dec +023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 16753 Constellation Fornax SAO 167965 HIP 12466
Tycho2 6434-01859-1 Gaia DR2 5077099605314668032 HD 16753 ADS 2044
CD CD-24 1196 CP CP-24 304 Distance 188.32 Distance ly 614.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)310.26y± 146.13 Periastron (T)2016.8y± 0.32 Semi-major axis (a)0.393a± 0.098
Eccentricity (e)0.839± 0.009 Inclination (i)147.2°± 3.3 Longitude of periastron (ω)73.2°± 22.9
Node (Ω)225.6°± 39 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 275.0 0.213
2001 273.2 0.206
2002 271.2 0.198
2003 269.0 0.190
2004 266.6 0.181
2005 264.0 0.173
2006 261.1 0.164
2007 257.8 0.155
2008 254.2 0.145
2009 250.0 0.135
2010 245.2 0.125
2011 239.4 0.114
2012 232.5 0.103
2013 223.8 0.091
2014 212.5 0.079
2015 197.3 0.068
2016 176.4 0.058
2017 149.7 0.054
2018 122.2 0.057
2019 99.9 0.066
2020 84.1 0.079
2021 72.7 0.092
2022 64.3 0.106
2023 57.9 0.119
2024 52.7 0.132
2025 48.4 0.145
2026 44.8 0.156
2027 41.6 0.168
2028 38.9 0.179
2029 36.5 0.189
2030 34.3 0.200


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



 
 


wds02405-2408c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic