01477-4358 I    52

 
 
01h 47m 40.54s -43 58' 16.2" P.A. 206.5 sep 0.53 mag 8.47,9.10 Sp F6+F9 dist. 188.68 pc (615.47 l.y.)
 
 
Coord 2000
01477-4358
Discov num
I    52
Comp
Coord arcsec 2000
01 47 40.54 -43 58 16.2
Date first
1896
Date last
2016
Obs
35
Pa first
180
Pa last
208
P.A. Now (θ)
206.5°
Sep first
1.0
Sep last
0.5
Sep. Now (ρ)
0.53"
Mag pri
8.47
Mag sec
9.10
delta mag (ΔM)
0.63
Spectral class
F6+F9 (yellow-white/yellow-white)
Pri motion ra
+050
Sec motion ra
+050
Pri motion dec
-013
Sec motion dec
-013
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.6
Precise sep
0.525
Cdsa2 id
I 52
Constellation
Phoenix
SAO
215655
HIP
8353
Tycho2
7549-00351-1
HD
11057
CD
CD-44 522
CP
CP-44 220
Ra deg
1.7945944444444444
De deg
-43.97116666666667
Distance
188.68
Distance ly
615.47
last precise pa
207.6
last precise sep
0.525
 
 
ORBITAL ELEMENTS
 
 
Period (P)223.9y± 8 Periastron (T)1969.74y± 1 Semi-major axis (a)0.372a± 0.01
Eccentricity (e)0.847± 0.017 Inclination (i)150.4°± 9 Longitude of periastron (ω)12.5°± 6.5
Node (Ω)20.9°± 6 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.406 215.0
2001 0.414 214.4
2002 0.422 213.8
2003 0.429 213.3
2004 0.437 212.7
2005 0.445 212.2
2006 0.452 211.7
2007 0.459 211.2
2008 0.466 210.7
2009 0.473 210.2
2010 0.479 209.8
2011 0.486 209.3
2012 0.492 208.9
2013 0.498 208.5
2014 0.504 208.1
2015 0.510 207.7
2016 0.516 207.3
2017 0.522 206.9
2018 0.527 206.5
2019 0.533 206.2
2020 0.538 205.8
2021 0.543 205.5
2022 0.549 205.1
2023 0.553 204.8
2024 0.558 204.4
2025 0.563 204.1
2026 0.568 203.8
2027 0.572 203.5
2028 0.577 203.2
2029 0.581 202.9
2030 0.585 202.6

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds01477-4358b.png orbit plot
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
01477-4358 I 52 1996 30 220 0.4 8.47 9.10 F6/7V NOD 014740.54-435816.2
01477-4358 I 52 2008 32 210 0.5 8.47 9.10 F6/7V NOD 014740.54-435816.2
01477-4358 I 52 2010 33 209 0.5 8.47 9.10 F6/7V NOD 014740.54-435816.2
01477-4358 I 52 2015 34 208 0.5 8.47 9.10 F6/7V O 014740.54-435816.2
01477-4358 I 52 2016 35 208 0.5 8.47 9.10 F6+F9 NO 014740.54-435816.2

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