14453-3609 I   528AB

 
 
14h 45m 20.60s -36 08' 51.9" P.A. 175.00 sep 0.0 mag 8.00,8.20 Sp A1IV/V dist. 208.77 pc (681.01 l.y.)
 
 
Coord 2000
14453-3609
Discov num
I   528
Comp
AB
Coord arcsec 2000
14 45 20.60 -36 08 51.9
Date first
1909
Date last
2020
Obs
14
Pa first
315
Pa last
165
P.A. Now (θ)
175°
Sep first
0.4
Sep last
0.1
Sep. Now (ρ)
0.04"
Mag pri
8.00
Mag sec
8.20
delta mag (ΔM)
0.2
Spectral class
A1IV/V (white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14453-3609 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 205904 14 45 21 -36 08 52 I 528 AB 2020 14 175 0.0 8.00 8.20 0.20 Y <===
Show 205904 14 45 21 -36 08 52 KOU 31 AC 2015 2 229 4.5 7.09 12.21 5.12
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.3
Precise sep
0.052
Constellation
Hydra
SAO
205904
HIP
72140
Tycho2
7309-02714-1
Gaia DR2
6202741779763649664
HD
129732
CD
CD-35 9765
CP
CP-35 6344
Distance
208.77
Distance ly
681.01
last precise pa
165.3
last precise sep
0.052
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.8y± 0.34 Periastron (T)2022.31y± 0.43 Semi-major axis (a)0.086a± 0.006
Eccentricity (e)0.641± 0.047 Inclination (i)58.2°± 3.1 Longitude of periastron (ω)77.1°± 2.1
Node (Ω)171.7°± 5.3 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2021
label rho theta
2000 0.090 28.2
2001 0.089 32.5
2002 0.088 36.8
2003 0.086 41.3
2004 0.084 46.0
2005 0.082 50.9
2006 0.080 56.0
2007 0.078 61.5
2008 0.076 67.2
2009 0.074 73.3
2010 0.072 79.8
2011 0.070 86.5
2012 0.069 93.6
2013 0.068 100.8
2014 0.067 108.4
2015 0.066 116.0
2016 0.065 123.9
2017 0.064 131.9
2018 0.062 140.3
2019 0.059 149.4
2020 0.053 160.1
2021 0.042 175.0
2022 0.022 210.3
2023 0.023 309.5
2024 0.045 341.1
2025 0.061 353.1
2026 0.072 0.7
2027 0.079 6.6
2028 0.084 11.7
2029 0.087 16.3
2030 0.089 20.6


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



 
 


wds14453-3609c.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
14453-3609 I 528 AB 1993 5 357 0.1 8.00 8.20 A1IV/V N 144520.60-360851.9
14453-3609 I 528 AB 2013 6 281 0.1 8.00 8.20 A1IV/V N 144520.60-360851.9
14453-3609 I 528 AB 2014 7 292 0.1 8.00 8.20 A1IV/V N 144520.60-360851.9
14453-3609 I 528 AB 2015 8 125 0.1 8.00 8.20 A1IV/V N 144520.60-360851.9
14453-3609 I 528 AB 2017 11 132 0.1 8.00 8.20 A1IV/V NO 144520.60-360851.9
14453-3609 I 528 AB 2018 12 143 0.1 8.00 8.20 A1IV/V NO 144520.60-360851.9
14453-3609 I 528 AB 2019 13 156 0.1 8.00 8.20 A1IV/V NO 144520.60-360851.9

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