01197+1209 CHR 196

 
 
01h 19m 42.79s +12 08' 44.9" P.A. 280.8 sep 0.04 mag 8.67,9.25 Sp F5 dist. 121.36 pc (395.88 l.y.)
 
 
Coord 2000
01197+1209
Discov num
CHR 196
Comp
Coord arcsec 2000
01 19 42.79 +12 08 44.9
Date first
1991
Date last
2017
Obs
15
Pa first
316
Pa last
288
P.A. Now (θ)
280.8°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.04"
Mag pri
8.67
Mag sec
9.25
delta mag (ΔM)
0.58
Spectral class
F5 (yellow-white)
Pri motion ra
+026
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.2
Precise sep
0.05
Constellation
Pisces
SAO
92369
HIP
6216
Tycho2
0616-00653-1
Gaia DR2
2586575098316648192
HD
8018
BD
BD+11 167
Distance
121.36
Distance ly
395.88
last precise pa
288.2
last precise sep
0.05
 
 
ORBITAL ELEMENTS
 
 
Period (P)44.7y Periastron (T)2023y Semi-major axis (a)0.158a
Eccentricity (e)0.95 Inclination (i)101.9° Longitude of periastron (ω)61.7°
Node (Ω)153.3° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.158 312.7
2001 0.155 312.2
2002 0.152 311.6
2003 0.149 311.0
2004 0.145 310.4
2005 0.141 309.8
2006 0.136 309.1
2007 0.131 308.4
2008 0.125 307.6
2009 0.119 306.7
2010 0.113 305.8
2011 0.107 304.7
2012 0.099 303.5
2013 0.092 302.1
2014 0.084 300.4
2015 0.076 298.4
2016 0.067 295.8
2017 0.058 292.5
2018 0.048 287.8
2019 0.038 280.8
2020 0.028 268.9
2021 0.020 245.5
2022 0.016 202.4
2023 0.004 132.3
2024 0.056 328.2
2025 0.081 325.4
2026 0.098 323.8
2027 0.112 322.6
2028 0.123 321.7
2029 0.132 320.9
2030 0.139 320.2

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

grafico orbita





wds01197%2B1209a.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
01197+1209 CHR 196 1999 7 315 0.2 8.67 9.25 F5 N D 011942.79+120844.9
01197+1209 CHR 196 2007 8 302 0.2 8.67 9.25 F5 N D 011942.79+120844.9
01197+1209 CHR 196 2008 10 307 0.1 8.67 9.25 F5 N D 011942.79+120844.9
01197+1209 CHR 196 2015 11 299 0.1 8.67 9.25 F5 N 011942.79+120844.9
01197+1209 CHR 196 2017 15 288 0.1 8.67 9.25 F5 N 011942.79+120844.9

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