02140+4729 STF 228

 
 
02H 14M 02.43S +47 29' 03.3" P.A. 302.4 SEP 0.67 MAG 6.56,7.21 SP F2V+F7V DIST. 39.59 PC (129.14 L.Y.)
 
 
Coord 2000
02140+4729
Discov num
STF 228
Comp
Coord arcsec 2000
02 14 02.43 +47 29 03.3
Date first
1829
Date last
2016
Obs
338
Pa first
264
Pa last
304
P.A. Now (θ)
302.4°
Sep first
1.1
Sep last
0.7
Sep. Now (ρ)
0.67"
Mag pri
6.56
Mag sec
7.21
delta mag (ΔM)
0.65
Spectral class
F2V+F7V (yellow-white/yellow-white)
Pri motion ra
-077
Sec motion ra
-077
Pri motion dec
-053
Sec motion dec
-053
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
37878
HIP
10403
Tycho2
3285-01624-1
HD
13594
HR
647
ADS
1709
BD
BD+46 536
Distance
39.59
Distance ly
129.14
last precise pa
303.5
last precise sep
0.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)145.41y± 0.47 Periastron (T)1899.07y± 0.21 Semi-major axis (a)0.89a± 0.02
Eccentricity (e)0.2626± 0.0016 Inclination (i)63.75°± 0.17 Longitude of periastron (ω)322.66°± 0.6
Node (Ω)99.07°± 0.25 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 1.009 282.6
2001 0.997 283.4
2002 0.985 284.3
2003 0.971 285.2
2004 0.956 286.1
2005 0.941 287.0
2006 0.924 287.9
2007 0.906 288.9
2008 0.887 290.0
2009 0.867 291.1
2010 0.846 292.2
2011 0.824 293.4
2012 0.800 294.7
2013 0.776 296.0
2014 0.751 297.5
2015 0.725 299.0
2016 0.699 300.7
2017 0.671 302.4
2018 0.643 304.4
2019 0.614 306.5
2020 0.585 308.8
2021 0.556 311.4
2022 0.526 314.3
2023 0.497 317.5
2024 0.468 321.1
2025 0.440 325.1
2026 0.413 329.8
2027 0.388 335.0
2028 0.366 340.9
2029 0.346 347.5
2030 0.331 354.8

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