02529+5300 A 2906 AB

 
 
02h 52m 52.03s +52° 59' 50.6" P.A. 115.00 sep 0.3 mag 7.26,8.78 Sp B8III dist. 307.69 pc (1003.68 l.y.)
 
 
Coord 2000 02529+5300 Discov num A  2906 Comp AB Coord arcsec 2000 02 52 52.03 +52 59 50.6
Date first 1917 Date last 2018 Obs 24
Pa first 116 Pa last 114.5 P.A. Now (θ) 109.2°
Sep first 0.2 Sep last 0.251 Sep. Now (ρ) 0.237"
Mag pri 7.26 Mag sec 8.78 delta mag (ΔM) 1.52 Spectral class B8III (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N O (See Notes, Orbital solution)
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
GC 3439 ADS 2185 BD BD+52 640 Distance 307.69
Distance ly 1003.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)85.782y± 4.6368 Periastron (T)1973.1096y± 2.6607 Semi-major axis (a)0.17508a± 0.0389
Eccentricity (e)0.91937± 0.09176 Inclination (i)135.627°± 12.355 Longitude of periastron (ω)81.255°± 114.567
Node (Ω)11.385°± 89.281 Notesn ReferenceIzm2019
Equinox Last observation2005 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 123.8 0.226
2001 123.1 0.229
2002 122.4 0.231
2003 121.7 0.233
2004 121.0 0.235
2005 120.4 0.236
2006 119.7 0.238
2007 119.1 0.239
2008 118.5 0.240
2009 117.8 0.241
2010 117.2 0.242
2011 116.6 0.242
2012 116.0 0.243
2013 115.4 0.243
2014 114.8 0.243
2015 114.1 0.243
2016 113.5 0.243
2017 112.9 0.243
2018 112.3 0.242
2019 111.7 0.241
2020 111.1 0.241
2021 110.4 0.240
2022 109.8 0.238
2023 109.2 0.237
2024 108.5 0.236
2025 107.9 0.234
2026 107.2 0.232
2027 106.5 0.230
2028 105.8 0.228
2029 105.1 0.226
2030 104.4 0.224


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



 
 


wds02529%2B5300a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic