09535+1657 CHR 219

 
 
09h 53m 30.98s +16 57' 01.9" P.A. 50.40 sep 0.2 mag 9.62,10.02 Sp K0 dist. 58.28 pc (190.11 l.y.)
 
 
Coord 2000
09535+1657
Discov num
CHR 219
Comp
Coord arcsec 2000
09 53 30.98 +16 57 01.9
Date first
1991
Date last
2019
Obs
14
Pa first
229
Pa last
55
P.A. Now (θ)
50.4°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.18"
Mag pri
9.62
Mag sec
10.02
delta mag (ΔM)
0.4
Spectral class
K0 (yellow-orange)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-049
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
54.9
Precise sep
0.211
Constellation
Leo
SAO
98828
HIP
48504
Tycho2
1411-00333-1
Gaia DR2
620007189494732160
BD
BD+17 2150
Distance
58.28
Distance ly
190.11
last precise pa
54.9
last precise sep
0.211
 
 
ORBITAL ELEMENTS
 
 
Period (P)54y± 9.4 Periastron (T)2023.1y± 1.7 Semi-major axis (a)0.308a± 0.02
Eccentricity (e)0.274± 0.056 Inclination (i)105.2°± 0.9 Longitude of periastron (ω)245.7°± 23.8
Node (Ω)243°± 1.8 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2018
label rho theta
2000 0.116 183.4
2001 0.105 170.3
2002 0.100 154.9
2003 0.101 138.9
2004 0.110 124.4
2005 0.123 112.5
2006 0.139 103.1
2007 0.157 95.8
2008 0.176 90.1
2009 0.194 85.4
2010 0.212 81.6
2011 0.228 78.3
2012 0.242 75.4
2013 0.252 72.8
2014 0.260 70.3
2015 0.264 68.0
2016 0.263 65.7
2017 0.257 63.4
2018 0.246 60.9
2019 0.229 58.1
2020 0.206 54.7
2021 0.178 50.4
2022 0.145 44.2
2023 0.110 34.2
2024 0.077 15.2
2025 0.060 338.5
2026 0.072 298.9
2027 0.104 277.3
2028 0.140 266.3
2029 0.175 259.8
2030 0.208 255.4


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



 
 


wds09535%2B1657b.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
09535+1657 CHR 219 2005 5 280 0.1 9.62 10.02 K0 N D 095330.98+165701.9
09535+1657 CHR 219 2007 8 94 0.2 9.62 10.02 K0 N D 095330.98+165701.9
09535+1657 CHR 219 2011 9 78 0.2 9.62 10.02 K0 NOD 095330.98+165701.9
09535+1657 CHR 219 2013 10 72 0.3 9.62 10.02 K0 NOD 095330.98+165701.9
09535+1657 CHR 219 2016 11 65 0.3 9.62 10.02 K0 NO 095330.98+165701.9
09535+1657 CHR 219 2018 12 60 0.2 9.62 10.02 K0 NO 095330.98+165701.9
09535+1657 CHR 219 2019 13 55 0.2 9.62 10.02 K0 NO 095330.98+165701.9

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