14567-6247 FIN 372 (The Cir)

 
 
14h 56m 43.98s -62 46' 51.6" P.A. 322.4 sep 0.1 mag 5.90,5.90 Sp B4Vnpe dist. 462.96 pc (1510.18 l.y.)
 
 
Coord 2000
14567-6247
Discov num
FIN 372
Comp
Coord arcsec 2000
14 56 43.98 -62 46 51.6
Date first
1960
Date last
2013
Obs
12
Pa first
96
Pa last
342
P.A. Now (θ)
322.4°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
5.90
Mag sec
5.90
delta mag (ΔM)
0
Spectral class
B4Vnpe (blue-white)
Pri motion ra
-012
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
341.5
Precise sep
0.099
Name
The Cir
Constellation
Circinus
SAO
252965
HIP
73129
Tycho2
9024-01862-1
HD
131492
HR
5551
GC
20067
CP
CP-62 4337
Bayer
Theta Circini
Bayer name
The Cir
Distance
462.96
Distance ly
1510.18
last precise pa
341.5
last precise sep
0.099
 
 
ORBITAL ELEMENTS
 
 
Period (P)39.62y± 0.78 Periastron (T)1993.81y± 0.12 Semi-major axis (a)0.08564a± 0.00056
Eccentricity (e)0.3041± 0.0081 Inclination (i)153.3°± 2 Longitude of periastron (ω)68.6°± 6.5
Node (Ω)228°± 5.2 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.077 66.7
2001 0.082 57.7
2002 0.086 49.8
2003 0.090 42.5
2004 0.094 35.8
2005 0.096 29.5
2006 0.098 23.5
2007 0.100 17.8
2008 0.101 12.2
2009 0.102 6.7
2010 0.103 1.3
2011 0.103 355.9
2012 0.102 350.5
2013 0.102 345.1
2014 0.101 339.6
2015 0.100 334.0
2016 0.099 328.3
2017 0.098 322.4
2018 0.096 316.4
2019 0.095 310.2
2020 0.093 303.9
2021 0.092 297.2
2022 0.090 290.3
2023 0.088 283.1
2024 0.086 275.6
2025 0.083 267.7
2026 0.081 259.2
2027 0.078 250.2
2028 0.074 240.3
2029 0.070 229.5
2030 0.066 217.4

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

grafico orbita





wds14567-6247e.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
14567-6247 FIN 372 2006 10 23 0.1 5.90 5.90 B4Vnpe NO 145643.98-624651.6
14567-6247 FIN 372 2009 11 5 0.1 5.90 5.90 B4Vnpe NO 145643.98-624651.6
14567-6247 FIN 372 2013 12 342 0.1 5.90 5.90 B4Vnpe NO 145643.98-624651.6

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