11047-0413 A 676 BC

 
 
11h 04m 40.97s -04° 13' 24.6" P.A. 248.00 sep 0.3 mag 10.75,11.09 Sp G8V dist. 26.27 pc (85.69 l.y.)
 
 
Coord 2000 11047-0413 Discov num A   676 Comp BC Coord arcsec 2000 11 04 40.97 -04 13 24.6
Date first 1904 Date last 2021 Obs 57
Pa first 237 Pa last 248.1 P.A. Now (θ) 258.8°
Sep first 0.2 Sep last 0.294 Sep. Now (ρ) 0.325"
Mag pri 10.75 Mag sec 11.09 delta mag (ΔM) 0.34 Spectral class G8V (yellow)
Pri motion ra -178 Sec motion ra -178
Pri motion dec -104 Sec motion dec -104
Notes N O W (See Notes, Orbital solution, )
This double is physical.
 
 
11047-0413 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HH Leo 137978 11 04 41 -04 13 16 STF 1506 A,BC 2016 44 221 11.8 7.68 10.15 2.47
Show 137978 11 04 41 -04 13 16 LAF 43 AD 2005 1 30 4.7 5.90 21.90 16.00
Show 137978 11 04 41 -04 13 16 LAF 43 AE 2007 2 213 5.6 5.90 14.10 8.20
Show 137978 11 04 41 -04 13 16 LAF 43 AF 2005 1 214 6.1 5.90 16.70 10.80
Show 137978 11 04 41 -04 13 16 LAF 43 AG 2005 1 330 8.9 5.90 21.80 15.90
Show 11 04 41 -04 13 25 A 676 BC 2021 57 248 0.3 10.75 11.09 0.34 Y <===
Septuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name HH Leo Constellation Leo HIP 54155 Tycho2 4924-01453-1
Gaia DR2 3789271459953459072 HD 96064 ADS 8048 BD BD-03 3040
Distance 26.27 Distance ly 85.69
 
 
ORBITAL ELEMENTS
 
 
Period (P)23.23y Periastron (T)1995.22y Semi-major axis (a)0.343a
Eccentricity (e)0.119 Inclination (i)62.6° Longitude of periastron (ω)111.2°
Node (Ω)71.7° Notesn ReferenceDoc2001e
Equinox2000 Last observation1997 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 260.6 0.322
2001 269.1 0.301
2002 279.5 0.266
2003 293.3 0.226
2004 312.9 0.191
2005 338.4 0.175
2006 4.5 0.188
2007 24.7 0.222
2008 38.9 0.264
2009 49.2 0.305
2010 57.3 0.336
2011 64.3 0.353
2012 70.9 0.354
2013 77.8 0.337
2014 86.0 0.301
2015 97.0 0.248
2016 114.8 0.189
2017 146.2 0.145
2018 187.0 0.151
2019 215.4 0.200
2020 231.7 0.256
2021 242.4 0.300
2022 250.9 0.323
2023 258.8 0.325
2024 267.1 0.307
2025 276.9 0.275
2026 289.7 0.235
2027 307.8 0.198
2028 332.2 0.176
2029 358.8 0.182
2030 20.6 0.213


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



 
 


wds11047-0413a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic