16285-2423 GHE 24

 
 
16h 28m 32.69s -24° 22' 45.0" P.A. 234.00 sep 0.0 mag 7.20,8.40 Sp G7
 
 
Coord 2000 16285-2423 Discov num GHE  24 Comp Coord arcsec 2000 16 28 32.69 -24 22 45.0
Date first 1990 Date last 2012 Obs 7
Pa first 227 Pa last 233.5 P.A. Now (θ) 233.5°
Sep first 0.1 Sep last 0.049 Sep. Now (ρ) 0.049"
Mag pri 7.20 Mag sec 8.40 delta mag (ΔM) 1.2 Spectral class G7 (yellow)
Pri motion ra -018 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes O K (Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 6049107428032112384
 
 
ORBITAL ELEMENTS
 
 
Period (P)23.2y± 1.1 Periastron (T)2002.6y± 7.7 Semi-major axis (a)0.048a± 0.42
Eccentricity (e)0.26± 0.73 Inclination (i)130°± 37 Longitude of periastron (ω)67°± 46
Node (Ω)90°± 43 Notes ReferenceSfr2018
Equinox2000 Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 88.8 0.040
2001 73.4 0.036
2002 51.9 0.029
2003 18.4 0.024
2004 338.5 0.025
2005 309.7 0.032
2006 291.9 0.039
2007 279.6 0.046
2008 269.9 0.050
2009 261.4 0.052
2010 253.3 0.052
2011 245.1 0.051
2012 236.4 0.049
2013 226.8 0.047
2014 215.8 0.043
2015 203.2 0.041
2016 189.0 0.039
2017 173.6 0.038
2018 157.9 0.038
2019 142.9 0.039
2020 129.0 0.041
2021 116.2 0.042
2022 104.0 0.043
2023 91.4 0.041
2024 76.8 0.037
2025 57.0 0.030
2026 26.2 0.024
2027 346.0 0.024
2028 314.4 0.030
2029 294.9 0.038
2030 281.8 0.044


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



 
 


wds16285-2423a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic