06256+2227 STT 139 (HD 44941)

 
 
06h 25m 34.20s +22° 27' 28.1" P.A. 257.00 sep 0.8 mag 7.33,9.38 Sp A6V dist. 120.77 pc (393.95 l.y.)
 
 
Coord 2000 06256+2227 Discov num STT 139 Comp Coord arcsec 2000 06 25 34.20 +22 27 28.1
Date first 1843 Date last 2016 Obs 37
Pa first 313 Pa last 257.4 P.A. Now (θ) 257.4°
Sep first 0.8 Sep last 0.791 Sep. Now (ρ) 0.791"
Mag pri 7.33 Mag sec 9.38 delta mag (ΔM) 2.05 Spectral class A6V (white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec -015 Sec motion dec -015
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 44941 Constellation Gemini SAO 78352 HIP 30574
Tycho2 1340-00993-1 Gaia DR2 3376426760940815616 HD 44941 ADS 5042
BD BD+22 1323 Distance 120.77 Distance ly 393.95
 
 
ORBITAL ELEMENTS
 
 
Period (P)360.3y Periastron (T)1929.06y Semi-major axis (a)0.674a
Eccentricity (e)0.894 Inclination (i)56.6° Longitude of periastron (ω)276.3°
Node (Ω)183.8° Notes ReferenceSca2001b
Equinox2000 Last observation1997 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 255.5 0.539
2001 255.9 0.542
2002 256.3 0.545
2003 256.7 0.548
2004 257.0 0.550
2005 257.4 0.553
2006 257.8 0.556
2007 258.1 0.559
2008 258.5 0.562
2009 258.8 0.564
2010 259.2 0.567
2011 259.5 0.570
2012 259.9 0.572
2013 260.2 0.575
2014 260.5 0.578
2015 260.9 0.580
2016 261.2 0.583
2017 261.5 0.585
2018 261.9 0.588
2019 262.2 0.590
2020 262.5 0.592
2021 262.8 0.595
2022 263.1 0.597
2023 263.5 0.600
2024 263.8 0.602
2025 264.1 0.604
2026 264.4 0.606
2027 264.7 0.609
2028 265.0 0.611
2029 265.3 0.613
2030 265.6 0.615


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



 
 


wds06256%2B2227a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic