00094-2759 BU 391 AB (Kap1 Scl)

 
 
00h 09m 21.02s -27 59' 16.5" P.A. 258.00 sep 1.3 mag 6.13,6.24 Sp F4IV-V dist. 77.46 pc (252.67 l.y.)
 
 
Coord 2000 00094-2759 Discov num BU  391 Comp AB Coord arcsec 2000 00 09 21.02 -27 59 16.5
Date first 1875 Date last 2017 Obs 81
Pa first 290 Pa last 258.2 P.A. Now (θ) 258.2°
Sep first 0.7 Sep last 1.328 Sep. Now (ρ) 1.328"
Mag pri 6.13 Mag sec 6.24 delta mag (ΔM) 0.11 Spectral class F4IV-V (yellow-white)
Pri motion ra +078 Sec motion ra +078
Pri motion dec -017 Sec motion dec -017
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00094-2759 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Kap1 Scl 166083 00 09 21 -27 59 16 BU 391 AB 2017 81 258 1.3 6.13 6.24 0.11 Y <===
Show 166083 00 09 21 -27 59 16 LDS 2095 AC 1998 3 243 73.4 6.13 18.60 12.47
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Kap1 Scl Constellation Sculptor SAO 166083 HIP 761
Tycho2 6418-01217-1 Gaia DR2 2321555373972012032 HD 493 HR 24
GC 155 ADS 111 CD CD-28 16 CP CP-28 4
Bayer Kappa 1 Sculptoris Bayer name Kap1 Scl Distance 77.46 Distance ly 252.67
Bayer greek κ1 Scl
 
 
ORBITAL ELEMENTS
 
 
Period (P)575.6506y± 247.628 Periastron (T)2087.659y± 104.9476 Semi-major axis (a)1.61369a± 0.48515
Eccentricity (e)0.5022± 0.31475 Inclination (i)98.715°± 3.851 Longitude of periastron (ω)272.711°± 42.552
Node (Ω)76.733°± 6.525 Notesn ReferenceIzm2019
Equinox Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 260.2 1.417
2001 260.1 1.414
2002 259.9 1.411
2003 259.8 1.407
2004 259.7 1.404
2005 259.6 1.400
2006 259.5 1.396
2007 259.4 1.391
2008 259.3 1.387
2009 259.2 1.382
2010 259.1 1.377
2011 259.0 1.372
2012 258.8 1.367
2013 258.7 1.361
2014 258.6 1.355
2015 258.5 1.349
2016 258.4 1.343
2017 258.3 1.336
2018 258.1 1.329
2019 258.0 1.322
2020 257.9 1.315
2021 257.8 1.307
2022 257.6 1.299
2023 257.5 1.291
2024 257.4 1.282
2025 257.3 1.273
2026 257.1 1.264
2027 257.0 1.255
2028 256.9 1.245
2029 256.7 1.235
2030 256.6 1.224


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



 
 


wds00094-2759b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic