03261+1229 A   829

 
 
03H 26M 08.81S +12 28' 54.7" P.A. 40.3 SEP 0.43 MAG 8.82,10.38 SP G0 DIST. 68.73 PC (224.2 L.Y.)
 
 
Coord 2000
03261+1229
Discov num
A   829
Comp
Coord arcsec 2000
03 26 08.81 +12 28 54.7
Date first
1904
Date last
2003
Obs
24
Pa first
41
Pa last
56
P.A. Now (θ)
40.3°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.43"
Mag pri
8.82
Mag sec
10.38
delta mag (ΔM)
1.56
Spectral class
G0 (yellow)
Pri motion ra
-072
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
93433
HIP
16008
Tycho2
0653-00556-1
HD
21261
ADS
2531
BD
BD+11 474
Distance
68.73
Distance ly
224.2
last precise pa
56
last precise sep
0.387
 
 
ORBITAL ELEMENTS
 
 
Period (P)111.38y± 3.93 Periastron (T)1985.1y± 0.79 Semi-major axis (a)0.417a± 0.012
Eccentricity (e)0.743± 0.018 Inclination (i)120.6°± 2 Longitude of periastron (ω)77.2°± 1.9
Node (Ω)260.1°± 2.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.364 60.0
2001 0.372 58.6
2002 0.380 57.3
2003 0.386 56.0
2004 0.392 54.7
2005 0.398 53.5
2006 0.403 52.3
2007 0.407 51.1
2008 0.411 50.0
2009 0.414 48.8
2010 0.417 47.7
2011 0.420 46.6
2012 0.422 45.5
2013 0.424 44.5
2014 0.425 43.4
2015 0.427 42.4
2016 0.428 41.3
2017 0.428 40.3
2018 0.429 39.2
2019 0.429 38.2
2020 0.429 37.1
2021 0.429 36.1
2022 0.429 35.1
2023 0.428 34.0
2024 0.427 33.0
2025 0.426 31.9
2026 0.425 30.9
2027 0.424 29.8
2028 0.423 28.7
2029 0.421 27.7
2030 0.419 26.6

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