02475+1922 STF 305AB

 
 
02H 47M 27.35S +19 22' 20.0" P.A. 307 SEP 3.6 MAG 7.52,8.25 SP G0V DIST. 33.56 PC (109.47 L.Y.)
 
 
Coord 2000
02475+1922
Discov num
STF 305
Comp
AB
Coord arcsec 2000
02 47 27.35 +19 22 20.0
Date first
1829
Date last
2016
Obs
323
Pa first
333
Pa last
308
P.A. Now (θ)
307°
Sep first
1.6
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
7.52
Mag sec
8.25
delta mag (ΔM)
0.73
Spectral class
G0V (yellow)
Pri motion ra
+118
Sec motion ra
+118
Pri motion dec
-160
Sec motion dec
-160
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02475+1922 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 93105 02475+1922 STF 305 AB 1829 2016 323 307 3.6 7.52 8.25 0.73 Y <===
Show 93105 02475+1922 STF 305 AC 1910 2000 5 26 93.9 7.52 13.00 5.48
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93105
HIP
13027
Tycho2
1226-01676-1
HD
17332
ADS
2122
BD
BD+18 347
Distance
33.56
Distance ly
109.47
last precise pa
307.6
last precise sep
3.645
 
 
ORBITAL ELEMENTS
 
 
Period (P)531.49y Periastron (T)1761.81y Semi-major axis (a)2.307a
Eccentricity (e)0.619 Inclination (i)111.1° Longitude of periastron (ω)18.4°
Node (Ω)133° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2011
label rho theta
2000 3.626 308.3
2001 3.626 308.3
2002 3.625 308.2
2003 3.624 308.1
2004 3.623 308.0
2005 3.622 307.9
2006 3.621 307.9
2007 3.620 307.8
2008 3.619 307.7
2009 3.617 307.6
2010 3.616 307.6
2011 3.614 307.5
2012 3.612 307.4
2013 3.610 307.3
2014 3.608 307.2
2015 3.606 307.2
2016 3.604 307.1
2017 3.601 307.0
2018 3.599 306.9
2019 3.596 306.9
2020 3.594 306.8
2021 3.591 306.7
2022 3.588 306.6
2023 3.585 306.5
2024 3.582 306.5
2025 3.578 306.4
2026 3.575 306.3
2027 3.571 306.2
2028 3.568 306.1
2029 3.564 306.1
2030 3.560 306.0

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