00335-5520 I    45AB

 
 
00H 33M 29.70S -55 19' 42.0" P.A. 201.6 SEP 0.69 MAG 7.65,8.59 SP A1V DIST. 185.53 PC (605.2 L.Y.)
 
 
Coord 2000
00335-5520
Discov num
I    45
Comp
AB
Coord arcsec 2000
00 33 29.70 -55 19 42.0
Date first
1895
Date last
2016
Obs
31
Pa first
290
Pa last
204
P.A. Now (θ)
201.6°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.69"
Mag pri
7.65
Mag sec
8.59
delta mag (ΔM)
0.94
Spectral class
A1V (white)
Pri motion ra
+027
Sec motion ra
+027
Pri motion dec
+019
Sec motion dec
+019
Notes
O (Orbital solution)
This double is physical.
 
 
00335-5520 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 232087 00335-5520 I 45 AB 1895 2016 31 202 0.7 7.65 8.59 0.94 Y <===
Show 232087 00335-5520 HJ 3376 AB,C 1836 2016 15 242 7.0 7.65 9.86 2.21
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Phoenix
SAO
232087
HIP
2642
Tycho2
8468-01485-1
HD
3075
CP
CP-56 103
Distance
185.53
Distance ly
605.2
last precise pa
203.8
last precise sep
0.82
 
 
ORBITAL ELEMENTS
 
 
Period (P)665.1y Periastron (T)1773.66y Semi-major axis (a)0.736a
Eccentricity (e)0.023 Inclination (i)129.9° Longitude of periastron (ω)16.2°
Node (Ω)1.2° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.652 208.7
2001 0.655 208.3
2002 0.657 207.9
2003 0.659 207.4
2004 0.662 207.0
2005 0.664 206.6
2006 0.666 206.1
2007 0.668 205.7
2008 0.671 205.3
2009 0.673 204.9
2010 0.675 204.5
2011 0.677 204.1
2012 0.679 203.6
2013 0.682 203.2
2014 0.684 202.8
2015 0.686 202.4
2016 0.688 202.0
2017 0.690 201.6
2018 0.692 201.2
2019 0.694 200.9
2020 0.696 200.5
2021 0.698 200.1
2022 0.699 199.7
2023 0.701 199.3
2024 0.703 198.9
2025 0.705 198.5
2026 0.707 198.2
2027 0.708 197.8
2028 0.710 197.4
2029 0.712 197.0
2030 0.713 196.7

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