12528+1225 TOK 401 (41 Vir)

 
 
12h 53m 49.71s +12° 25' 06.2" P.A. 281.00 sep 0.1 mag 6.30,9.10 Sp A7III dist. 60.9 pc (198.66 l.y.)
 
 
Coord 2000 12528+1225 Discov num TOK 401 Comp Coord arcsec 2000 12 53 49.71 +12 25 06.2
Date first 2014 Date last 2021 Obs 6
Pa first 141 Pa last 281.3 P.A. Now (θ) 281.3°
Sep first 0.1 Sep last 0.083 Sep. Now (ρ) 0.083"
Mag pri 6.30 Mag sec 9.10 delta mag (ΔM) 2.8 Spectral class A7III (white)
Pri motion ra +064 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 41 Vir Constellation Virgo SAO 100322 HIP 62933
Tycho2 0885-01204-1 Gaia DR2 3927976741583307264 HD 112097 HR 4900
GC 17502 BD BD+13 2602 Flamsteed 41 Virginis Flamsteed name 41 Vir
Distance 60.9 Distance ly 198.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.305y Periastron (T)2016.253y Semi-major axis (a)0.116a
Eccentricity (e)0.101 Inclination (i)76.4° Longitude of periastron (ω)322.2°
Node (Ω)117.7° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 274.9 0.067
2001 289.4 0.109
2002 297.0 0.125
2003 304.9 0.106
2004 322.4 0.056
2005 69.9 0.033
2006 108.2 0.086
2007 119.3 0.106
2008 131.0 0.082
2009 169.4 0.035
2010 265.2 0.052
2011 286.3 0.099
2012 294.9 0.124
2013 302.2 0.116
2014 314.4 0.074
2015 26.2 0.025
2016 102.7 0.071
2017 116.3 0.105
2018 126.7 0.093
2019 149.8 0.049
2020 247.7 0.037
2021 282.3 0.086
2022 292.6 0.119
2023 299.8 0.122
2024 309.4 0.090
2025 344.8 0.035
2026 94.1 0.054
2027 113.1 0.099
2028 123.2 0.102
2029 139.1 0.064
2030 215.3 0.029


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



 
 


wds12528%2B1225a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic