14567-6247 FIN 372 (The Cir)

14h 56m 43.98s -62° 46' 51.6" P.A. 280.00 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 2021 Obs 20
Pa first 96 Pa last 280.4 P.A. Now (θ) 283.1°
Sep first 0.1 Sep last 0.088 Sep. Now (ρ) 0.088"
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

Name The Cir Constellation Circinus SAO 252965 HIP 73129
Tycho2 9024-01862-1 Gaia DR2 5874471485134725632 HD 131492 HR 5551
GC 20067 CP CP-62 4337 Bayer Theta Circini Bayer name The Cir
Distance 462.96 Distance ly 1510.18 Bayer greek θ Cir




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 Notesn ReferenceMsn2010c
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)

label theta rho
2000 66.7 0.077
2001 57.7 0.082
2002 49.8 0.086
2003 42.5 0.090
2004 35.8 0.094
2005 29.5 0.096
2006 23.5 0.098
2007 17.8 0.100
2008 12.2 0.101
2009 6.7 0.102
2010 1.3 0.103
2011 355.9 0.103
2012 350.5 0.102
2013 345.1 0.102
2014 339.6 0.101
2015 334.0 0.100
2016 328.3 0.099
2017 322.4 0.098
2018 316.4 0.096
2019 310.2 0.095
2020 303.9 0.093
2021 297.2 0.092
2022 290.3 0.090
2023 283.1 0.088
2024 275.6 0.086
2025 267.7 0.083
2026 259.2 0.081
2027 250.2 0.078
2028 240.3 0.074
2029 229.5 0.070
2030 217.4 0.066


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



 
 


wds14567-6247e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic