12260-1457 BU  606

 
 
12H 25M 59.69S -14 56' 51.8" P.A. 287.5 SEP 0.61 MAG 7.42,9.39 SP F7V DIST. 71.07 PC (231.83 L.Y.)
 
 
Coord 2000
12260-1457
Discov num
BU  606
Comp
Coord arcsec 2000
12 25 59.69 -14 56 51.8
Date first
1878
Date last
2016
Obs
24
Pa first
98
Pa last
289
P.A. Now (θ)
287.5°
Sep first
1.4
Sep last
0.6
Sep. Now (ρ)
0.61"
Mag pri
7.42
Mag sec
9.39
delta mag (ΔM)
1.97
Spectral class
F7V (yellow-white)
Pri motion ra
-118
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corvus
SAO
157283
HIP
60665
Tycho2
5533-01793-1
HD
108215
ADS
8547
BD
BD-14 3510
Distance
71.07
Distance ly
231.83
last precise pa
289.3
last precise sep
0.646
 
 
ORBITAL ELEMENTS
 
 
Period (P)707.61y Periastron (T)2009.44y Semi-major axis (a)1.441a
Eccentricity (e)0.383 Inclination (i)96.9° Longitude of periastron (ω)123.6°
Node (Ω)100.1° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.349 296.7
2001 0.366 295.7
2002 0.382 294.9
2003 0.398 294.1
2004 0.414 293.4
2005 0.430 292.8
2006 0.446 292.2
2007 0.462 291.6
2008 0.478 291.1
2009 0.493 290.6
2010 0.509 290.1
2011 0.524 289.7
2012 0.539 289.2
2013 0.554 288.8
2014 0.569 288.5
2015 0.584 288.1
2016 0.598 287.8
2017 0.613 287.5
2018 0.627 287.2
2019 0.641 286.9
2020 0.655 286.6
2021 0.668 286.3
2022 0.681 286.1
2023 0.695 285.8
2024 0.708 285.6
2025 0.720 285.3
2026 0.733 285.1
2027 0.745 284.9
2028 0.757 284.7
2029 0.769 284.5
2030 0.781 284.3

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