12446-5717 FIN 65 AB (HD 110698)

12h 44m 34.99s -57° 17' 12.8" P.A. 79.00 sep 0.3 mag 6.99,8.18 Sp A0IV/V dist. 111.23 pc (362.83 l.y.)

Coord 2000 12446-5717 Discov num FIN  65 Comp AB Coord arcsec 2000 12 44 34.99 -57 17 12.8
Date first 1928 Date last 2019 Obs 22
Pa first 237 Pa last 79.4 P.A. Now (θ) 79.4°
Sep first 0.2 Sep last 0.31 Sep. Now (ρ) 0.31"
Mag pri 6.99 Mag sec 8.18 delta mag (ΔM) 1.19 Spectral class A0IV/V (white)
Pri motion ra -031 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



12446-5717 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 110698 240203 12 44 35 -57 17 13 FIN 65 AB 2019 22 79 0.3 6.99 8.18 1.19 Y <===
Show 240203 12 44 35 -57 17 13 KOU 16 AC 2015 4 130 12.4 7.20 14.00 6.80
Show 240203 12 44 35 -57 17 13 KOU 16 AD 2000 1 256 4.5 7.20 14.60 7.40


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 110698 Constellation Crux SAO 240203 HIP 62179
Tycho2 8655-04051-1 Gaia DR2 6060946629969578240 HD 110698 GC 17320
CP CP-56 5410 Distance 111.23 Distance ly 362.83




ORBITAL ELEMENTS

Period (P)200y± 10 Periastron (T)1952.75y± 0.5 Semi-major axis (a)0.404a± 0.01
Eccentricity (e)0.518± 0.01 Inclination (i)111.3°± 0.5 Longitude of periastron (ω)143.7°± 2
Node (Ω)48.7°± 1 Notesn ReferenceDoc2013d
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)

label theta rho
2000 107.5 0.201
2001 105.3 0.207
2002 103.2 0.213
2003 101.3 0.220
2004 99.4 0.226
2005 97.7 0.233
2006 96.1 0.240
2007 94.5 0.247
2008 93.1 0.254
2009 91.7 0.261
2010 90.4 0.268
2011 89.1 0.275
2012 88.0 0.282
2013 86.8 0.289
2014 85.8 0.296
2015 84.8 0.303
2016 83.8 0.310
2017 82.8 0.317
2018 82.0 0.323
2019 81.1 0.330
2020 80.3 0.337
2021 79.5 0.344
2022 78.7 0.350
2023 78.0 0.357
2024 77.3 0.364
2025 76.6 0.370
2026 76.0 0.376
2027 75.3 0.383
2028 74.7 0.389
2029 74.1 0.395
2030 73.6 0.401


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



 
 


wds12446-5717d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic