02249+3039 HDS 314 AB

 
 
02h 24m 51.14s +30° 38' 48.2" P.A. 257.00 sep 0.3 mag 8.39,10.97 Sp G0V dist. 60.64 pc (197.81 l.y.)
 
 
Coord 2000 02249+3039 Discov num HDS 314 Comp AB Coord arcsec 2000 02 24 51.14 +30 38 48.2
Date first 1991 Date last 2018 Obs 19
Pa first 326 Pa last 256.9 P.A. Now (θ) 256.9°
Sep first 0.2 Sep last 0.306 Sep. Now (ρ) 0.306"
Mag pri 8.39 Mag sec 10.97 delta mag (ΔM) 2.58 Spectral class G0V (yellow)
Pri motion ra -041 Sec motion ra
Pri motion dec -181 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02249+3039 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 55525 02 24 51 +30 38 48 HDS 314 AB 2018 19 257 0.3 8.39 10.97 2.58 Y <===
Show HD 14874 55525 02 24 51 +30 38 48 UC 733 AC 2016 10 180 20.4 8.56 12.43 3.87
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Triangulum SAO 55525 HIP 11253 Tycho2 2323-00227-1
Gaia DR2 132371961510701824 HD 14874 BD BD+29 406 Distance 60.64
Distance ly 197.81
 
 
ORBITAL ELEMENTS
 
 
Period (P)82.18y Periastron (T)2026.35y Semi-major axis (a)0.378a
Eccentricity (e)0.283 Inclination (i)109.7° Longitude of periastron (ω)278.8°
Node (Ω)87.6° Notesn ReferenceLin2012b
Equinox2000 Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 284.1 0.348
2001 282.5 0.357
2002 280.9 0.364
2003 279.4 0.370
2004 277.9 0.375
2005 276.5 0.379
2006 275.1 0.381
2007 273.7 0.381
2008 272.3 0.380
2009 270.9 0.377
2010 269.5 0.372
2011 268.0 0.366
2012 266.4 0.357
2013 264.8 0.345
2014 263.0 0.332
2015 261.1 0.316
2016 259.0 0.298
2017 256.5 0.278
2018 253.7 0.255
2019 250.2 0.231
2020 246.0 0.204
2021 240.4 0.177
2022 232.7 0.150
2023 221.8 0.124
2024 205.8 0.103
2025 184.1 0.092
2026 160.4 0.095
2027 140.9 0.111
2028 127.1 0.134
2029 117.6 0.160
2030 110.9 0.187


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



 
 


wds02249%2B3039a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic