02037+2556 STF 208 AB (10 Ari)

 
 
02h 03m 39.26s +25° 56' 07.6" P.A. 349.00 sep 1.3 mag 5.82,7.87 Sp F8IV dist. 48.71 pc (158.89 l.y.)
 
 
Coord 2000 02037+2556 Discov num STF 208 Comp AB Coord arcsec 2000 02 03 39.26 +25 56 07.6
Date first 1821 Date last 2018 Obs 238
Pa first 23 Pa last 348.6 P.A. Now (θ) 350.2°
Sep first 2.0 Sep last 1.31 Sep. Now (ρ) 1.608"
Mag pri 5.82 Mag sec 7.87 delta mag (ΔM) 2.05 Spectral class F8IV (yellow-white)
Pri motion ra +134 Sec motion ra +134
Pri motion dec +010 Sec motion dec +010
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02037+2556 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 Ari 75114 02 03 39 +25 56 08 STF 208 AB 2018 238 349 1.3 5.82 7.87 2.05 Y <===
Show 75114 02 03 39 +25 56 08 STF 208 AB,C 2001 3 150 95.3 5.67 13.50 7.83
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 10 Ari Constellation Aries SAO 75114 HIP 9621
Tycho2 1761-02538-1 Gaia DR2 105599987245304192 HD 12558 HR 605
GC 2476 ADS 1631 BD BD+25 341 Flamsteed 10 Arietis
Flamsteed name 10 Ari Distance 48.71 Distance ly 158.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)325y Periastron (T)1931.6y Semi-major axis (a)1.39a
Eccentricity (e)0.59 Inclination (i)51° Longitude of periastron (ω)165°
Node (Ω)20.5° Notesn ReferenceHei1996a
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 338.0 1.261
2001 338.6 1.277
2002 339.3 1.294
2003 339.9 1.310
2004 340.6 1.326
2005 341.2 1.342
2006 341.8 1.358
2007 342.4 1.374
2008 342.9 1.389
2009 343.5 1.405
2010 344.0 1.420
2011 344.6 1.436
2012 345.1 1.451
2013 345.6 1.466
2014 346.1 1.481
2015 346.6 1.495
2016 347.1 1.510
2017 347.5 1.524
2018 348.0 1.538
2019 348.5 1.553
2020 348.9 1.567
2021 349.3 1.580
2022 349.8 1.594
2023 350.2 1.608
2024 350.6 1.621
2025 351.0 1.634
2026 351.4 1.647
2027 351.8 1.660
2028 352.2 1.673
2029 352.6 1.685
2030 353.0 1.698


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


 
  


wds02037%2B2556a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic