03344+2428 STF 412 AB

 
 
03h 34m 26.62s +24° 27' 52.1" P.A. 350.00 sep 0.8 mag 6.60,6.86 Sp A3V+A3V dist. 131.58 pc (429.21 l.y.)
 
 
Coord 2000 03344+2428 Discov num STF 412 Comp AB Coord arcsec 2000 03 34 26.62 +24 27 52.1
Date first 1828 Date last 2022 Obs 314
Pa first 272 Pa last 350 P.A. Now (θ) 349.1°
Sep first 0.6 Sep last 0.79 Sep. Now (ρ) 0.778"
Mag pri 6.60 Mag sec 6.86 delta mag (ΔM) 0.26 Spectral class A3V+A3V (white/white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -026 Sec motion dec -026
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03344+2428 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75999 03 34 27 +24 27 52 STF 412 AB 2022 314 350 0.8 6.60 6.86 0.26 Y <===
Show 7 Tau 75999 03 34 27 +24 27 52 STF 412 AB,C 2014 86 53 22.4 5.94 9.92 3.98
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV1192 Tau Constellation Taurus SAO 75999 HIP 16664
Tycho2 1802-01524-1 Gaia DR2 68486384567412992 HD 22091 HR 1086
GC 4257 ADS 2616 BD BD+23 473 Flamsteed 7 Tauri
Flamsteed name 7 Tau Distance 131.58 Distance ly 429.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)522.16y Periastron (T)1911.62y Semi-major axis (a)0.625a
Eccentricity (e)0.679 Inclination (i)157.2° Longitude of periastron (ω)238.1°
Node (Ω)13° Notesn ReferenceSca2002a
Equinox2000 Last observation2000 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 356.9 0.689
2001 356.5 0.693
2002 356.2 0.698
2003 355.8 0.702
2004 355.4 0.706
2005 355.1 0.710
2006 354.7 0.714
2007 354.3 0.718
2008 354.0 0.722
2009 353.6 0.726
2010 353.3 0.730
2011 353.0 0.734
2012 352.6 0.738
2013 352.3 0.742
2014 352.0 0.745
2015 351.6 0.749
2016 351.3 0.753
2017 351.0 0.756
2018 350.7 0.760
2019 350.4 0.764
2020 350.1 0.767
2021 349.7 0.771
2022 349.4 0.774
2023 349.1 0.778
2024 348.8 0.781
2025 348.5 0.784
2026 348.2 0.788
2027 348.0 0.791
2028 347.7 0.794
2029 347.4 0.797
2030 347.1 0.801


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



 
 


wds03344%2B2428a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic