11047-0413 A   676BC

 
 
11H 04M 40.97S -04 13' 24.6" P.A. 146.2 SEP 0.15 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
2007
Obs
54
Pa first
237
Pa last
27
P.A. Now (θ)
146.2°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.15"
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 (See Notes, Orbital solution)
This double is physical.
 
 
11047-0413 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show HH Leo 11047-0413 STF1506 A,BC 1829 2012 42 224 11.9 7.68 10.15 2.47
Show 11047-0413 LAF 43 AD 2005 2005 1 30 4.7 5.90 21.90 16.00
Show 11047-0413 LAF 43 AE 2005 2007 2 213 5.6 5.90 14.10 8.20
Show 11047-0413 LAF 43 AF 2005 2005 1 214 6.1 5.90 16.70 10.80
Show 11047-0413 LAF 43 AG 2005 2005 1 330 8.9 5.90 21.80 15.90
Show 11047-0413 A 676 BC 1904 2007 54 146 0.2 10.75 11.09 0.34 Y <===
Septuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
HH Leo
Constellation
Leo
HIP
54155
Tycho2
4924-01453-1
HD
96064
ADS
8048
BD
BD-03 3040
Distance
26.27
Distance ly
85.69
last precise pa
26.6
last precise sep
0.217
 
 
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° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.322 260.6
2001 0.301 269.1
2002 0.266 279.5
2003 0.226 293.3
2004 0.191 312.9
2005 0.175 338.4
2006 0.188 4.5
2007 0.222 24.7
2008 0.264 38.9
2009 0.305 49.2
2010 0.336 57.3
2011 0.353 64.3
2012 0.354 70.9
2013 0.337 77.8
2014 0.301 86.0
2015 0.248 97.0
2016 0.189 114.8
2017 0.145 146.2
2018 0.151 187.0
2019 0.200 215.4
2020 0.256 231.7
2021 0.300 242.4
2022 0.323 250.9
2023 0.325 258.8
2024 0.307 267.1
2025 0.275 276.9
2026 0.235 289.7
2027 0.198 307.8
2028 0.176 332.2
2029 0.182 358.8
2030 0.213 20.6

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic