04385+2656 STF 572 AB (NSV1676)

 
 
04h 38m 29.58s +26° 56' 25.6" P.A. 188.00 sep 4.5 mag 7.36,7.21 Sp F2V+F2V dist. 62.58 pc (204.14 l.y.)
 
 
Coord 2000 04385+2656 Discov num STF 572 Comp AB Coord arcsec 2000 04 38 29.58 +26 56 25.6
Date first 1822 Date last 2021 Obs 329
Pa first 214 Pa last 188.3 P.A. Now (θ) 188.3°
Sep first 2.7 Sep last 4.469 Sep. Now (ρ) 4.469"
Mag pri 7.36 Mag sec 7.21 delta mag (ΔM) 0.15 Spectral class F2V+F2V (yellow-white/yellow-white)
Pri motion ra +041 Sec motion ra +043
Pri motion dec -056 Sec motion dec -066
Notes N C (See Notes, Has orbit and linear solution)
rPM=0.129 (< 0.3, Physical double)
This double is physical.
 
 
04385+2656 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show NSV1676 76682 04 38 30 +26 56 26 STF 572 AB 2021 329 188 4.5 7.36 7.21 0.15 Y <===
Show 04 38 30 +26 56 26 GIR 4 AC 2016 5 204 91.9 7.36 12.88 5.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV1676 Constellation Taurus SAO 76682 HIP 21619
Tycho2 1838-01922-1 Gaia DR2 151588916504442624 HD 29364 HR 1470
GC 5648 ADS 3353 BD BD+26 731 Distance 62.58
Distance ly 204.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)5012.5342y± 2557.4478 Periastron (T)2612.8762y± 1167.1555 Semi-major axis (a)14.72525a± 6.75268
Eccentricity (e)0.73964± 0.20381 Inclination (i)99.764°± 7.041 Longitude of periastron (ω)59.933°± 49.932
Node (Ω)157.64°± 27.24 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 190.4 4.253
2001 190.3 4.259
2002 190.2 4.265
2003 190.1 4.271
2004 190.0 4.277
2005 189.9 4.283
2006 189.8 4.289
2007 189.7 4.295
2008 189.6 4.301
2009 189.5 4.307
2010 189.4 4.313
2011 189.3 4.319
2012 189.2 4.325
2013 189.1 4.331
2014 189.0 4.337
2015 188.9 4.343
2016 188.8 4.349
2017 188.7 4.355
2018 188.6 4.361
2019 188.6 4.367
2020 188.5 4.373
2021 188.4 4.379
2022 188.3 4.385
2023 188.2 4.391
2024 188.1 4.397
2025 188.0 4.403
2026 187.9 4.409
2027 187.8 4.415
2028 187.7 4.421
2029 187.6 4.427
2030 187.5 4.433


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



 
 


wds04385%2B2656a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic