06145+1754 KUI 24 (HD 42954)

 
 
06h 14m 28.59s +17° 54' 22.8" P.A. 144.00 sep 0.3 mag 6.29,7.16 Sp A6m dist. 162.07 pc (528.67 l.y.)
 
 
Coord 2000 06145+1754 Discov num KUI  24 Comp Coord arcsec 2000 06 14 28.59 +17 54 22.8
Date first 1934 Date last 2014 Obs 85
Pa first 137 Pa last 143.7 P.A. Now (θ) 143.7°
Sep first 0.3 Sep last 0.306 Sep. Now (ρ) 0.306"
Mag pri 6.29 Mag sec 7.16 delta mag (ΔM) 0.87 Spectral class A6m (white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -012 Sec motion dec -012
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 42954 Constellation Orion SAO 95419 HIP 29616
Tycho2 1318-01195-1 HD 42954 HR 2214 GC 7956
BD BD+17 1182 Distance 162.07 Distance ly 528.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)260y Periastron (T)1975.8y Semi-major axis (a)0.507a
Eccentricity (e)0 Inclination (i)87.3° Longitude of periastron (ω)
Node (Ω)140.1° Notesn ReferenceZir2013a
Equinox2000 Last observation2009 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 141.9 0.423
2001 142.0 0.416
2002 142.1 0.409
2003 142.2 0.402
2004 142.3 0.394
2005 142.4 0.386
2006 142.5 0.378
2007 142.6 0.370
2008 142.8 0.361
2009 142.9 0.353
2010 143.0 0.344
2011 143.2 0.335
2012 143.3 0.326
2013 143.5 0.316
2014 143.7 0.306
2015 143.8 0.297
2016 144.0 0.287
2017 144.3 0.277
2018 144.5 0.266
2019 144.7 0.256
2020 145.0 0.245
2021 145.3 0.234
2022 145.6 0.224
2023 146.0 0.213
2024 146.4 0.201
2025 146.8 0.190
2026 147.3 0.179
2027 147.8 0.167
2028 148.5 0.156
2029 149.2 0.144
2030 150.1 0.133


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



 
 


wds06145%2B1754a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic