14189+5452 CHR 137

 
 
14H 18M 55.93S +54 51' 49.6" P.A. 4.5 SEP 0.09 MAG 6.80,8.00 SP A5VN+F0 DIST. 101.42 PC (330.83 L.Y.)
 
 
Coord 2000
14189+5452
Discov num
CHR 137
Comp
Coord arcsec 2000
14 18 55.93 +54 51 49.6
Date first
1987
Date last
2007
Obs
12
Pa first
14
Pa last
9
P.A. Now (θ)
4.5°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.09"
Mag pri
6.80
Mag sec
8.00
delta mag (ΔM)
1.2
Spectral class
A5Vn+F0 (white/yellow-white)
Pri motion ra
-028
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
29098
HIP
69958
Tycho2
3859-00355-1
HD
125632
HR
5372
BD
BD+55 1678
Distance
101.42
Distance ly
330.83
last precise pa
8.6
last precise sep
0.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)9.82y± 0.1 Periastron (T)1991.16y± 0.06 Semi-major axis (a)0.068a± 0.002
Eccentricity (e)0.592± 0.003 Inclination (i)129.3°± 1 Longitude of periastron (ω)174.5°± 5
Node (Ω)20.6°± 2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.036 321.7
2001 0.028 201.8
2002 0.035 92.3
2003 0.066 54.7
2004 0.089 40.2
2005 0.103 30.9
2006 0.108 23.3
2007 0.104 15.7
2008 0.089 6.5
2009 0.064 351.8
2010 0.030 307.4
2011 0.028 181.7
2012 0.040 81.3
2013 0.071 51.3
2014 0.092 38.3
2015 0.105 29.5
2016 0.108 21.9
2017 0.102 14.2
2018 0.086 4.5
2019 0.059 347.7
2020 0.026 287.5
2021 0.027 160.3
2022 0.046 72.9
2023 0.075 48.4
2024 0.095 36.5
2025 0.106 28.1
2026 0.108 20.6
2027 0.100 12.7
2028 0.082 2.2
2029 0.052 342.6
2030 0.024 262.2

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic