01343-0827 A   314

 
 
01H 34M 19.42S -08 27' 27.3" P.A. 5 SEP 0.39 MAG 8.80,9.10 SP F5 DIST. 108.58 PC (354.19 L.Y.)
 
 
Coord 2000
01343-0827
Discov num
A   314
Comp
Coord arcsec 2000
01 34 19.42 -08 27 27.3
Date first
1902
Date last
2008
Obs
22
Pa first
0
Pa last
11
P.A. Now (θ)
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.39"
Mag pri
8.80
Mag sec
9.10
delta mag (ΔM)
0.3
Spectral class
F5 (yellow-white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-059
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
7324
Tycho2
5277-02307-1
HD
9626
ADS
1232
BD
BD-09 301
Distance
108.58
Distance ly
354.19
last precise pa
10.9
last precise sep
0.342
 
 
ORBITAL ELEMENTS
 
 
Period (P)107.9y Periastron (T)1989.31y Semi-major axis (a)0.296a
Eccentricity (e)0.671 Inclination (i)116.1° Longitude of periastron (ω)44.1°
Node (Ω)193° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.226 21.4
2001 0.243 19.6
2002 0.258 18.1
2003 0.273 16.7
2004 0.286 15.5
2005 0.298 14.4
2006 0.310 13.4
2007 0.321 12.4
2008 0.331 11.5
2009 0.340 10.7
2010 0.349 9.9
2011 0.356 9.1
2012 0.364 8.4
2013 0.371 7.6
2014 0.377 7.0
2015 0.382 6.3
2016 0.388 5.7
2017 0.392 5.0
2018 0.396 4.4
2019 0.400 3.8
2020 0.404 3.2
2021 0.406 2.6
2022 0.409 2.1
2023 0.411 1.5
2024 0.413 0.9
2025 0.414 0.4
2026 0.415 359.8
2027 0.416 359.3
2028 0.416 358.7
2029 0.416 358.2
2030 0.416 357.6

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