11230+0408 A  2776AB

 
 
11H 23M 02.64S +04 08' 17.0" P.A. 62.3 SEP 0.2 MAG 8.80,8.80 SP F5 DIST. 115.61 PC (377.12 L.Y.)
 
 
Coord 2000
11230+0408
Discov num
A  2776
Comp
AB
Coord arcsec 2000
11 23 02.64 +04 08 17.0
Date first
1914
Date last
2014
Obs
30
Pa first
274
Pa last
241
P.A. Now (θ)
62.3°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.80
Mag sec
8.80
delta mag (ΔM)
0
Spectral class
F5 (yellow-white)
Pri motion ra
-108
Sec motion ra
Pri motion dec
+028
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
11230+0408 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 11230+0408 A 2776 AB 1914 2014 30 62 0.2 8.80 8.80 0.00 Y <===
Show 11230+0408 A 2776 AB,C 1914 2000 7 61 6.3 8.13 13.50 5.37
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
HIP
55574
Tycho2
0267-00813-1
HD
98914
ADS
8145
BD
BD+04 2454
Distance
115.61
Distance ly
377.12
last precise pa
241.2
last precise sep
0.168
 
 
ORBITAL ELEMENTS
 
 
Period (P)97y Periastron (T)1998y Semi-major axis (a)0.19a
Eccentricity (e)0.942 Inclination (i)53.6° Longitude of periastron (ω)75°
Node (Ω)192° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.061 31.9
2001 0.077 37.5
2002 0.090 41.3
2003 0.102 44.2
2004 0.112 46.6
2005 0.121 48.5
2006 0.130 50.2
2007 0.137 51.7
2008 0.144 53.1
2009 0.151 54.3
2010 0.157 55.4
2011 0.163 56.5
2012 0.168 57.4
2013 0.173 58.3
2014 0.178 59.2
2015 0.183 60.0
2016 0.187 60.8
2017 0.191 61.6
2018 0.195 62.3
2019 0.198 63.0
2020 0.201 63.6
2021 0.205 64.3
2022 0.207 64.9
2023 0.210 65.5
2024 0.213 66.1
2025 0.215 66.7
2026 0.217 67.3
2027 0.219 67.8
2028 0.221 68.4
2029 0.223 68.9
2030 0.225 69.5

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