01061-4643 SLR 1 AB

 
 
01h 06m 05.10s -46 43' 06.4" P.A. 76.00 sep 0.6 mag 4.10,4.19 Sp G8IIIv dist. 8333.33 pc (27183.32 l.y.)
 
 
Coord 2000 01061-4643 Discov num SLR   1 Comp AB Coord arcsec 2000 01 06 05.10 -46 43 06.4
Date first 1891 Date last 2018 Obs 89
Pa first 26 Pa last 76.4 P.A. Now (θ) 68°
Sep first 0.9 Sep last 0.617 Sep. Now (ρ) 0.725"
Mag pri 4.10 Mag sec 4.19 delta mag (ΔM) 0.09 Spectral class G8IIIv (yellow)
Pri motion ra -027 Sec motion ra -027
Pri motion dec +006 Sec motion dec +006
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
01061-4643 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 215365 01 06 05 -46 43 06 SLR 1 AB 2018 89 76 0.6 4.10 4.19 0.09 Y <===
Show Bet Phe 215365 01 06 05 -46 43 06 HJ 3417 AB,C 2013 11 55 66.1 3.46 11.50 8.04
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV400 Phe Constellation Phoenix SAO 215365 HIP 5165
Tycho2 8032-01228-1 Gaia DR2 4933453324587749504 HD 6595 HR 322
GC 1335 CD CD-47 324 CP CP-47 129 Bayer Beta Phoenicis
Bayer name Bet Phe Distance 8333.33 Distance ly 27183.32 Bayer greek β Phe
 
 
ORBITAL ELEMENTS
 
 
Period (P)170.7y± 5 Periastron (T)2003.41y± 0.1 Semi-major axis (a)0.946a± 0.016
Eccentricity (e)0.718± 0.016 Inclination (i)144°± 1.5 Longitude of periastron (ω)293.5°± 4.4
Node (Ω)126.4°± 3.5 Notesn ReferenceAry2015b
Equinox2000 Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 253.5 0.281
2001 238.0 0.247
2002 218.6 0.225
2003 196.9 0.221
2004 176.2 0.235
2005 158.8 0.262
2006 145.0 0.294
2007 134.0 0.328
2008 125.1 0.362
2009 117.6 0.394
2010 111.2 0.424
2011 105.7 0.453
2012 100.8 0.480
2013 96.4 0.506
2014 92.5 0.531
2015 88.9 0.556
2016 85.6 0.579
2017 82.5 0.601
2018 79.7 0.623
2019 77.1 0.645
2020 74.6 0.665
2021 72.2 0.686
2022 70.0 0.705
2023 68.0 0.725
2024 66.0 0.743
2025 64.1 0.762
2026 62.3 0.780
2027 60.6 0.797
2028 59.0 0.815
2029 57.4 0.831
2030 55.9 0.848


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



 
 


wds01061-4643b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic