02140+4729 STF 228

 
 
02h 14m 02.43s +47 29' 03.3" P.A. 304.4 sep 0.64 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
341
Pa first
264
Pa last
300
P.A. Now (θ)
304.4°
Sep first
1.1
Sep last
0.7
Sep. Now (ρ)
0.64"
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
299.7
last precise sep
0.672
 
 
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02140+4729 STF 228 2007 326 288 0.9 6.56 7.21 F2V+F7V NOD 021402.43+472903.3
02140+4729 STF 228 2008 328 293 0.8 6.56 7.21 F2V+F7V NOD 021402.43+472903.3
02140+4729 STF 228 2009 331 294 0.8 6.56 7.21 F2V+F7V NOD 021402.43+472903.3
02140+4729 STF 228 2010 332 297 0.8 6.56 7.21 F2V+F7V NOD 021402.43+472903.3
02140+4729 STF 228 2012 331 294 0.8 6.56 7.21 F2V F7V NOD 021402.43+472903.3
02140+4729 STF 228 2014 332 298 0.8 6.56 7.21 F2V+F7V NOD 021402.43+472903.3
02140+4729 STF 228 2015 335 300 0.6 6.56 7.21 F2V+F7V NO 021402.43+472903.3
02140+4729 STF 228 2016 338 304 0.7 6.56 7.21 F2V+F7V NO 021402.43+472903.3

If you need more information about this double, apply for a data request form to the WDS.