07486+2308 WRH 15 AB

 
 
07h 48m 33.65s +23° 08' 27.5" P.A. 28.00 sep 0.3 mag 6.85,7.30 Sp G2III+A4V dist. 241.55 pc (787.94 l.y.)
 
 
Coord 2000 07486+2308 Discov num WRH  15 Comp AB Coord arcsec 2000 07 48 33.65 +23 08 27.5
Date first 1937 Date last 2016 Obs 70
Pa first 99 Pa last 27.7 P.A. Now (θ) 27.7°
Sep first 0.2 Sep last 0.258 Sep. Now (ρ) 0.258"
Mag pri 6.85 Mag sec 7.30 delta mag (ΔM) 0.45 Spectral class G2III+A4V (yellow/white)
Pri motion ra -011 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
07486+2308 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 79704 07 48 34 +23 08 28 WRH 15 AB 2016 70 28 0.3 6.85 7.30 0.45 Y <===
Show 79704 07 48 34 +23 08 28 BU 1062 AB,C 2012 8 33 4.3 5.63 13.50 7.87
Show HD 63208 79704 07 48 34 +23 08 28 BU 1062 AB,D 2017 4 24 66.9 5.63 12.00 6.37
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Gemini SAO 79704 HIP 38106 Tycho2 1912-02347-1
Gaia DR2 675332278144070784 HD 63209 HR 3021 GC 10517
ADS 6378 BD BD+23 1812 Flamsteed 82 Geminorum Flamsteed name 82 Gem
Distance 241.55 Distance ly 787.94
 
 
ORBITAL ELEMENTS
 
 
Period (P)580y Periastron (T)1954y Semi-major axis (a)0.452a
Eccentricity (e)0.449 Inclination (i)117.2° Longitude of periastron (ω)321.7°
Node (Ω)55.4° Notesn ReferenceUSN2002
Equinox2000 Last observation1995 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 39.0 0.276
2001 38.3 0.276
2002 37.6 0.275
2003 37.0 0.274
2004 36.3 0.274
2005 35.6 0.273
2006 34.9 0.272
2007 34.2 0.271
2008 33.5 0.270
2009 32.8 0.269
2010 32.0 0.268
2011 31.3 0.267
2012 30.6 0.266
2013 29.9 0.265
2014 29.1 0.264
2015 28.4 0.263
2016 27.6 0.262
2017 26.9 0.261
2018 26.1 0.260
2019 25.3 0.258
2020 24.5 0.257
2021 23.8 0.256
2022 23.0 0.255
2023 22.2 0.254
2024 21.4 0.252
2025 20.5 0.251
2026 19.7 0.250
2027 18.9 0.249
2028 18.0 0.248
2029 17.2 0.246
2030 16.3 0.245


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



 
 


wds07486%2B2308a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic