00205+4531 A   647

 
 
00H 20M 33.00S +45 30' 32.2" P.A. 93.5 SEP 0.72 MAG 7.17,9.56 SP F5 DIST. 114.03 PC (371.97 L.Y.)
 
 
Coord 2000
00205+4531
Discov num
A   647
Comp
Coord arcsec 2000
00 20 33.00 +45 30 32.2
Date first
1904
Date last
2009
Obs
38
Pa first
216
Pa last
102
P.A. Now (θ)
93.5°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.72"
Mag pri
7.17
Mag sec
9.56
delta mag (ΔM)
2.39
Spectral class
F5 (yellow-white)
Pri motion ra
+064
Sec motion ra
+064
Pri motion dec
-018
Sec motion dec
-018
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
36280
HIP
1642
Tycho2
3247-00013-1
HD
1614
ADS
277
BD
BD+44 62
Distance
114.03
Distance ly
371.97
last precise pa
102.1
last precise sep
0.697
 
 
ORBITAL ELEMENTS
 
 
Period (P)372.7y Periastron (T)1876.01y Semi-major axis (a)0.947a
Eccentricity (e)0.292 Inclination (i)122° Longitude of periastron (ω)136.8°
Node (Ω)39.4° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.625 110.2
2001 0.630 109.1
2002 0.634 108.0
2003 0.639 106.9
2004 0.644 105.8
2005 0.649 104.8
2006 0.655 103.8
2007 0.660 102.7
2008 0.665 101.7
2009 0.671 100.8
2010 0.677 99.8
2011 0.682 98.8
2012 0.688 97.9
2013 0.694 97.0
2014 0.700 96.1
2015 0.706 95.2
2016 0.712 94.3
2017 0.718 93.5
2018 0.724 92.6
2019 0.730 91.8
2020 0.737 91.0
2021 0.743 90.2
2022 0.749 89.4
2023 0.756 88.6
2024 0.762 87.8
2025 0.768 87.1
2026 0.775 86.4
2027 0.781 85.6
2028 0.788 84.9
2029 0.794 84.2
2030 0.801 83.5

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