02475+1922 STF 305 AB (HD 17332)

 
 
02h 47m 27.35s +19° 22' 20.0" P.A. 306.00 sep 3.5 mag 7.52,8.25 Sp G0V dist. 33.56 pc (109.47 l.y.)
 
 
Coord 2000 02475+1922 Discov num STF 305 Comp AB Coord arcsec 2000 02 47 27.35 +19 22 20.0
Date first 1829 Date last 2020 Obs 330
Pa first 333 Pa last 306.4 P.A. Now (θ) 306.4°
Sep first 1.6 Sep last 3.529 Sep. Now (ρ) 3.529"
Mag pri 7.52 Mag sec 8.25 delta mag (ΔM) 0.73 Spectral class G0V (yellow)
Pri motion ra +118 Sec motion ra +118
Pri motion dec -160 Sec motion dec -160
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02475+1922 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 17332 93105 02 47 27 +19 22 20 STF 305 AB 2020 330 306 3.5 7.52 8.25 0.73 Y <===
Show 93105 02 47 27 +19 22 20 STF 305 AC 2015 6 26 95.1 7.52 13.00 5.48
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17332 Constellation Aries SAO 93105 HIP 13027
Tycho2 1226-01676-1 Gaia DR2 84625634714435968 HD 17332 GC 3352
ADS 2122 BD BD+18 347 Distance 33.56 Distance ly 109.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)531.49y Periastron (T)1761.81y Semi-major axis (a)2.307a
Eccentricity (e)0.619 Inclination (i)111.1° Longitude of periastron (ω)18.4°
Node (Ω)133° Notesn ReferenceMsn2014b
Equinox2000 Last observation2011 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 308.3 3.626
2001 308.3 3.626
2002 308.2 3.625
2003 308.1 3.624
2004 308.0 3.623
2005 307.9 3.622
2006 307.9 3.621
2007 307.8 3.620
2008 307.7 3.619
2009 307.6 3.617
2010 307.6 3.616
2011 307.5 3.614
2012 307.4 3.612
2013 307.3 3.610
2014 307.2 3.608
2015 307.2 3.606
2016 307.1 3.604
2017 307.0 3.601
2018 306.9 3.599
2019 306.9 3.596
2020 306.8 3.594
2021 306.7 3.591
2022 306.6 3.588
2023 306.5 3.585
2024 306.5 3.582
2025 306.4 3.578
2026 306.3 3.575
2027 306.2 3.571
2028 306.1 3.568
2029 306.1 3.564
2030 306.0 3.560


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



 
 


wds02475%2B1922a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic