02529+5300 STF 314 AB,C (NSV971)

 
 
02h 52m 52.03s +52° 59' 50.6" P.A. 316.00 sep 1.6 mag 6.95,7.26 Sp B8III dist. 307.69 pc (1003.68 l.y.)
 
 
Coord 2000 02529+5300 Discov num STF 314 Comp AB,C Coord arcsec 2000 02 52 52.03 +52 59 50.6
Date first 1825 Date last 2018 Obs 137
Pa first 291 Pa last 315.6 P.A. Now (θ) 315.6°
Sep first 1.3 Sep last 1.581 Sep. Now (ρ) 1.581"
Mag pri 6.95 Mag sec 7.26 delta mag (ΔM) 0.31 Spectral class B8III (blue-white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec -015 Sec motion dec -015
Notes N O U (See Notes, Orbital solution, Proper motion indicates non-physical)
This double is physical.
 
 
02529+5300 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 23674 02 52 52 +52 59 51 A 2906 AB 2018 24 115 0.3 7.26 8.78 1.52 Y
Show NSV971 23674 02 52 52 +52 59 51 STF 314 AB,C 2018 137 316 1.6 6.95 7.26 0.31 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV971 Constellation Perseus SAO 23674 HIP 13424
Tycho2 3700-01745-1 Gaia DR2 453178393293943680 HD 17743 HR 846
ADS 2185 BD BD+52 640 Distance 307.69 Distance ly 1003.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)1185.3669y± 589.886 Periastron (T)2125.7423y± 82.5593 Semi-major axis (a)2.6855a± 1.31912
Eccentricity (e)0.69216± 0.26878 Inclination (i)81.701°± 5.867 Longitude of periastron (ω)257.536°± 28.089
Node (Ω)141.478°± 7.019 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 313.0 1.591
2001 313.1 1.592
2002 313.2 1.592
2003 313.3 1.592
2004 313.4 1.592
2005 313.5 1.593
2006 313.5 1.593
2007 313.6 1.593
2008 313.7 1.592
2009 313.8 1.592
2010 313.9 1.592
2011 314.0 1.592
2012 314.1 1.591
2013 314.2 1.591
2014 314.3 1.590
2015 314.4 1.589
2016 314.5 1.589
2017 314.5 1.588
2018 314.6 1.587
2019 314.7 1.586
2020 314.8 1.585
2021 314.9 1.583
2022 315.0 1.582
2023 315.1 1.580
2024 315.2 1.579
2025 315.3 1.577
2026 315.4 1.575
2027 315.5 1.573
2028 315.5 1.571
2029 315.6 1.569
2030 315.7 1.567


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



 
 


wds02529%2B5300b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic