19391+7625 MLR 224

 
 
19h 39m 05.98s +76 25' 18.0" P.A. 275.3 sep 0.08 mag 8.67,9.35 Sp K0 dist. 29.7 pc (96.88 l.y.)
 
 
Coord 2000
19391+7625
Discov num
MLR 224
Comp
Coord arcsec 2000
19 39 05.98 +76 25 18.0
Date first
1971
Date last
2007
Obs
37
Pa first
276
Pa last
288
P.A. Now (θ)
275.3°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.08"
Mag pri
8.67
Mag sec
9.35
delta mag (ΔM)
0.68
Spectral class
K0 (yellow-orange)
Pri motion ra
+156
Sec motion ra
Pri motion dec
+140
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288
Precise sep
0.19
Constellation
Draco
HIP
96656
HD
186922
GL
Gl 765.2
Distance
29.7
Distance ly
96.88
last precise pa
288
last precise sep
0.19
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.929y± 0.003 Periastron (T)1993.15y± 0.004 Semi-major axis (a)189m± 2
Eccentricity (e)0.24± 0.003 Inclination (i)80.2°± 0.2 Longitude of periastron (ω)250°± 0.1
Node (Ω)293°± 0.6 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation2006
label rho theta
2000 0.041 6.0
2001 0.075 84.6
2002 0.135 101.9
2003 0.168 109.5
2004 0.148 116.2
2005 0.063 133.9
2006 0.068 272.9
2007 0.158 288.4
2008 0.197 293.8
2009 0.191 298.4
2010 0.151 304.4
2011 0.091 317.1
2012 0.040 13.8
2013 0.080 86.7
2014 0.138 102.6
2015 0.168 109.9
2016 0.144 116.8
2017 0.055 137.6
2018 0.076 275.3
2019 0.162 288.9
2020 0.198 294.2
2021 0.189 298.8
2022 0.147 305.0
2023 0.087 318.7
2024 0.039 22.0
2025 0.084 88.6
2026 0.142 103.2
2027 0.169 110.4
2028 0.139 117.4
2029 0.048 142.4
2030 0.083 277.3

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

grafico orbita





wds19391%2B7625a.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
19391+7625 MLR 224 2006 30 283 0.1 8.67 9.35 K0 NOD 193905.98+762518.0
19391+7625 MLR 224 2007 33 288 0.2 8.67 9.35 K0 NOD 193905.98+762518.0

If you need more information about this double, apply for a data request form to the WDS.