09414+3857 STF 1374 AB (HD 83698)

09h 41m 21.88s +38° 57' 01.9" P.A. 312.00 sep 2.8 mag 7.28,8.65 Sp G3IV dist. 51.28 pc (167.28 l.y.)

Coord 2000 09414+3857 Discov num STF1374 Comp AB Coord arcsec 2000 09 41 21.88 +38 57 01.9
Date first 1828 Date last 2019 Obs 170
Pa first 275 Pa last 311.9 P.A. Now (θ) 311.9°
Sep first 3.3 Sep last 2.776 Sep. Now (ρ) 2.776"
Mag pri 7.28 Mag sec 8.65 delta mag (ΔM) 1.37 Spectral class G3IV (yellow)
Pri motion ra +083 Sec motion ra
Pri motion dec -136 Sec motion dec
Notes O (Orbital solution)




This double is physical.



09414+3857 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 83698 61629 09 41 22 +38 57 02 STF 1374 AB 2019 170 312 2.8 7.28 8.65 1.37 Y <===
Show 61629 09 41 22 +38 57 02 ABT 7 AC 2015 4 10 307.3 7.28 13.13 5.85


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 83698 Constellation Leo Minor SAO 61629 HIP 47527
Tycho2 2992-01245-1 Gaia DR2 800779854724018816 HD 83698 GC 13361
ADS 7477 BD BD+39 2271 Distance 51.28 Distance ly 167.28




ORBITAL ELEMENTS

Period (P)1815.6124y± 833.2606 Periastron (T)1709.621y± 248.7598 Semi-major axis (a)10.43453a± 6.12488
Eccentricity (e)0.85356± 0.11261 Inclination (i)79.718°± 9.103 Longitude of periastron (ω)106.457°± 25.365
Node (Ω)75.058°± 18.545 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)

label theta rho
2000 307.0 2.854
2001 307.3 2.851
2002 307.5 2.847
2003 307.8 2.844
2004 308.0 2.840
2005 308.3 2.837
2006 308.5 2.833
2007 308.8 2.830
2008 309.0 2.826
2009 309.3 2.823
2010 309.5 2.820
2011 309.8 2.816
2012 310.0 2.813
2013 310.3 2.810
2014 310.5 2.807
2015 310.8 2.804
2016 311.0 2.801
2017 311.3 2.798
2018 311.6 2.795
2019 311.8 2.792
2020 312.1 2.789
2021 312.3 2.786
2022 312.6 2.783
2023 312.8 2.780
2024 313.1 2.778
2025 313.4 2.775
2026 313.6 2.772
2027 313.9 2.770
2028 314.1 2.767
2029 314.4 2.765
2030 314.7 2.762


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



 
 


wds09414%2B3857b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic