08542+3035 STF 1291 AB

 
 
08h 54m 14.65s +30° 34' 45.8" P.A. 310.00 sep 1.5 mag 6.09,6.37 Sp G7III dist. 141.44 pc (461.38 l.y.)
 
 
Coord 2000 08542+3035 Discov num STF1291 Comp AB Coord arcsec 2000 08 54 14.65 +30 34 45.8
Date first 1782 Date last 2019 Obs 296
Pa first 338 Pa last 310.2 P.A. Now (θ) 310.2°
Sep first 0.9 Sep last 1.51 Sep. Now (ρ) 1.51"
Mag pri 6.09 Mag sec 6.37 delta mag (ΔM) 0.28 Spectral class G7III (yellow)
Pri motion ra +039 Sec motion ra +039
Pri motion dec -026 Sec motion dec -026
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
08542+3035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 61125 08 54 15 +30 34 46 STF 1291 AB 2019 296 310 1.5 6.09 6.37 0.28 Y <===
Show HD 75959 61125 08 54 15 +30 34 46 STF 1291 AB,C 2015 8 204 54.6 5.47 9.20 3.73
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer SAO 61125 HIP 43721 Tycho2 2485-02096-1
Gaia DR2 705832623326195456 HD 75959 HR 3532 GC 12289
ADS 7071 BD BD+31 1907 Flamsteed 57 Cancri Flamsteed name 57 Cnc
Distance 141.44 Distance ly 461.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)2336.1456y± 1045.0514 Periastron (T)2351.9359y± 671.3998 Semi-major axis (a)3.61518a± 1.93444
Eccentricity (e)0.79596± 0.15789 Inclination (i)104.575°± 8.536 Longitude of periastron (ω)254.31°± 24.459
Node (Ω)91.152°± 46.749 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 311.9 1.510
2001 311.7 1.511
2002 311.6 1.512
2003 311.5 1.513
2004 311.3 1.514
2005 311.2 1.515
2006 311.1 1.516
2007 310.9 1.517
2008 310.8 1.518
2009 310.7 1.519
2010 310.5 1.520
2011 310.4 1.521
2012 310.3 1.522
2013 310.1 1.523
2014 310.0 1.524
2015 309.9 1.526
2016 309.7 1.527
2017 309.6 1.528
2018 309.5 1.529
2019 309.3 1.530
2020 309.2 1.531
2021 309.1 1.532
2022 309.0 1.533
2023 308.8 1.534
2024 308.7 1.535
2025 308.6 1.536
2026 308.4 1.537
2027 308.3 1.538
2028 308.2 1.539
2029 308.0 1.540
2030 307.9 1.541


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



 
 


wds08542%2B3035a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic