11151+3735 CHR 192 Aa,Ab

11h 15m 03.10s +37° 34' 43.2" P.A. 251.00 sep 0.1 mag 7.53, Sp G5 dist. 314.47 pc (1025.8 l.y.)

Coord 2000 11151+3735 Discov num CHR 192 Comp Aa,Ab Coord arcsec 2000 11 15 03.10 +37 34 43.2
Date first 1987 Date last 2019 Obs 9
Pa first 17 Pa last 251.4 P.A. Now (θ) 251.4°
Sep first 0.1 Sep last 0.109 Sep. Now (ρ) 0.109"
Mag pri 7.53 Mag sec delta mag (ΔM) Spectral class G5 (yellow)
Pri motion ra +007 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



11151+3735 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 62460 11 15 03 +37 34 43 CHR 192 Aa,Ab 2019 9 251 0.1 7.53 Y <===
Show HD 97731 62460 11 15 03 +37 34 43 STT 232 AB 2019 80 250 0.6 8.02 8.90 0.88


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ursa Major SAO 62460 HIP 54941 Tycho2 3010-02370-1
Gaia DR2 763808875022579456 HD 97731 BD BD+38 2219 Distance 314.47
Distance ly 1025.8




ORBITAL ELEMENTS

Period (P)200y Periastron (T)2019.3y Semi-major axis (a)0.2224a
Eccentricity (e)0.486 Inclination (i)111.7° Longitude of periastron (ω)11.2°
Node (Ω)254.2° Notesn ReferenceTok2019e
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000 310.1 0.072
2001 304.7 0.074
2002 299.7 0.077
2003 295.1 0.080
2004 290.8 0.084
2005 286.8 0.087
2006 283.2 0.091
2007 279.8 0.095
2008 276.7 0.098
2009 273.9 0.102
2010 271.2 0.105
2011 268.6 0.108
2012 266.2 0.110
2013 263.9 0.112
2014 261.6 0.114
2015 259.4 0.115
2016 257.3 0.115
2017 255.1 0.115
2018 252.9 0.114
2019 250.7 0.113
2020 248.4 0.111
2021 246.0 0.108
2022 243.5 0.105
2023 240.8 0.101
2024 237.8 0.097
2025 234.6 0.092
2026 231.0 0.087
2027 227.0 0.082
2028 222.5 0.077
2029 217.4 0.073
2030 211.5 0.068


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



 
 


wds11151%2B3735a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic