12528+1225 TOK 401 (41 Vir)

 
 
12h 53m 49.71s +12 25' 06.2" P.A. 282.30 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
2018
Obs
5
Pa first
141
Pa last
129
P.A. Now (θ)
282.3°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.09"
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
 
 
Precise pa
129.2
Precise sep
0.088
Name
41 Vir
Constellation
Virgo
SAO
100322
HIP
62933
Tycho2
0885-01204-1
Gaia DR2
41583307264
HD
112097
HR
4900
GC
17502
BD
BD+13 2602
Flamsteed
41 Virginis
Flamsteed name
41 Vir
Distance
60.9
Distance ly
198.66
last precise pa
129.2
last precise sep
0.088
 
 
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° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.067 274.9
2001 0.109 289.4
2002 0.125 297.0
2003 0.106 304.9
2004 0.056 322.4
2005 0.033 69.9
2006 0.086 108.2
2007 0.106 119.3
2008 0.082 131.0
2009 0.035 169.4
2010 0.052 265.2
2011 0.099 286.3
2012 0.124 294.9
2013 0.116 302.2
2014 0.074 314.4
2015 0.025 26.2
2016 0.071 102.7
2017 0.105 116.3
2018 0.093 126.7
2019 0.049 149.8
2020 0.037 247.7
2021 0.086 282.3
2022 0.119 292.6
2023 0.122 299.8
2024 0.090 309.4
2025 0.035 344.8
2026 0.054 94.1
2027 0.099 113.1
2028 0.102 123.2
2029 0.064 139.1
2030 0.029 215.3

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






wds12528%2B1225a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12528+1225 TOK 401 2014 1 141 0.1 6.30 9.10 A7III 125349.71+122506.2
12528+1225 TOK 401 2015 2 64 0.0 6.30 9.10 A7III 125349.71+122506.2
12528+1225 TOK 401 2017 4 120 0.1 6.30 9.10 A7III N 125349.71+122506.2
12528+1225 TOK 401 2018 5 129 0.1 6.30 9.10 A7III NO 125349.71+122506.2

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