02039-4525 RST2272

 
 
02H 03M 55.25S -45 24' 46.5" P.A. 241.3 SEP 1.5 MAG 7.37,11.66 SP G3V DIST. 48.92 PC (159.58 L.Y.)
 
 
Coord 2000
02039-4525
Discov num
RST2272
Comp
Coord arcsec 2000
02 03 55.25 -45 24 46.5
Date first
1932
Date last
2015
Obs
18
Pa first
178
Pa last
240
P.A. Now (θ)
241.3°
Sep first
1.0
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
7.37
Mag sec
11.66
delta mag (ΔM)
4.29
Spectral class
G3V (yellow)
Pri motion ra
+329
Sec motion ra
+328
Pri motion dec
+054
Sec motion dec
+053
Notes
N O (See Notes, Orbital solution)
rPM=0.004 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
215754
HIP
9642
Tycho2
8042-00581-1
HD
12759
GL
Gl 83.4A
CD
CD-46 604
CP
CP-46 204
Distance
48.92
Distance ly
159.58
last precise pa
240.3
last precise sep
1.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)415y Periastron (T)2327.57y Semi-major axis (a)1.659a
Eccentricity (e)0.2645 Inclination (i)36° Longitude of periastron (ω)175.5°
Node (Ω)301.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 1.363 225.8
2001 1.371 226.8
2002 1.378 227.8
2003 1.386 228.7
2004 1.394 229.7
2005 1.402 230.6
2006 1.410 231.6
2007 1.418 232.5
2008 1.426 233.4
2009 1.434 234.4
2010 1.442 235.3
2011 1.451 236.1
2012 1.459 237.0
2013 1.467 237.9
2014 1.476 238.8
2015 1.484 239.6
2016 1.493 240.4
2017 1.502 241.3
2018 1.510 242.1
2019 1.519 242.9
2020 1.528 243.7
2021 1.536 244.5
2022 1.545 245.3
2023 1.554 246.1
2024 1.562 246.8
2025 1.571 247.6
2026 1.580 248.3
2027 1.589 249.1
2028 1.597 249.8
2029 1.606 250.6
2030 1.615 251.3

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