01376-0924 KUI   7

 
 
01H 37M 37.70S -09 24' 13.6" P.A. 347.9 SEP 0.13 MAG 6.80,7.20 SP F7V DIST. 40.39 PC (131.75 L.Y.)
 
 
Coord 2000
01376-0924
Discov num
KUI   7
Comp
Coord arcsec 2000
01 37 37.70 -09 24 13.6
Date first
1934
Date last
2014
Obs
92
Pa first
157
Pa last
11
P.A. Now (θ)
347.9°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
6.80
Mag sec
7.20
delta mag (ΔM)
0.4
Spectral class
F7V (yellow-white)
Pri motion ra
+259
Sec motion ra
Pri motion dec
+093
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
129412
HIP
7580
Tycho2
5277-02394-1
HD
10009
HR
466
BD
BD-10 343
Distance
40.39
Distance ly
131.75
last precise pa
11.1
last precise sep
0.082
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.83y± 0.25 Periastron (T)1989.915y± 0.021 Semi-major axis (a)0.292a± 0.009
Eccentricity (e)0.748± 0.005 Inclination (i)97.4°± 0.2 Longitude of periastron (ω)248.8°± 0.3
Node (Ω)161.1°± 1.7 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation1989
label rho theta
2000 0.269 150.1
2001 0.255 148.7
2002 0.239 147.3
2003 0.221 145.5
2004 0.201 143.5
2005 0.180 141.0
2006 0.158 137.8
2007 0.134 133.5
2008 0.111 127.4
2009 0.088 118.1
2010 0.069 103.0
2011 0.056 78.7
2012 0.056 48.5
2013 0.069 24.5
2014 0.088 9.5
2015 0.108 360.0
2016 0.125 353.3
2017 0.131 347.9
2018 0.106 341.8
2019 0.018 195.6
2020 0.139 162.9
2021 0.207 159.8
2022 0.246 158.0
2023 0.270 156.7
2024 0.284 155.5
2025 0.290 154.4
2026 0.290 153.3
2027 0.286 152.2
2028 0.278 151.1
2029 0.266 149.9
2030 0.252 148.5

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