11486+1417 BU  603AB

 
 
11H 48M 38.71S +14 17' 03.2" P.A. 329.7 SEP 1.02 MAG 5.97,8.53 SP A8III DIST. 59.74 PC (194.87 L.Y.)
 
 
Coord 2000
11486+1417
Discov num
BU  603
Comp
AB
Coord arcsec 2000
11 48 38.71 +14 17 03.2
Date first
1878
Date last
2014
Obs
89
Pa first
338
Pa last
332
P.A. Now (θ)
329.7°
Sep first
1.5
Sep last
1.0
Sep. Now (ρ)
1.02"
Mag pri
5.97
Mag sec
8.53
delta mag (ΔM)
2.56
Spectral class
A8III (white)
Pri motion ra
-102
Sec motion ra
-102
Pri motion dec
+004
Sec motion dec
+004
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
11486+1417 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 99800 11486+1417 BU 603 AB 1878 2014 89 330 1.0 5.97 8.53 2.56 Y <===
Show 99800 11486+1417 TOK 552 AC 1980 2001 3 306 999.9 5.97 14.20 8.23
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
99800
HIP
57606
Tycho2
0870-00989-1
HD
102590
HR
4531
ADS
8311
BD
BD+15 2381
Distance
59.74
Distance ly
194.87
last precise pa
331.5
last precise sep
0.981
 
 
ORBITAL ELEMENTS
 
 
Period (P)129.74y± 2.02 Periastron (T)1943.84y± 3 Semi-major axis (a)0.734a± 0.046
Eccentricity (e)0.804± 0.024 Inclination (i)140.4°± 6.2 Longitude of periastron (ω)77°± 9.2
Node (Ω)228.4°± 13.2 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 1.038 340.6
2001 1.039 340.0
2002 1.040 339.3
2003 1.041 338.7
2004 1.041 338.1
2005 1.041 337.4
2006 1.040 336.8
2007 1.040 336.2
2008 1.039 335.5
2009 1.037 334.9
2010 1.036 334.3
2011 1.034 333.6
2012 1.032 333.0
2013 1.029 332.3
2014 1.027 331.7
2015 1.024 331.0
2016 1.021 330.4
2017 1.017 329.7
2018 1.013 329.1
2019 1.009 328.4
2020 1.005 327.7
2021 1.000 327.0
2022 0.995 326.3
2023 0.990 325.6
2024 0.984 324.9
2025 0.978 324.2
2026 0.972 323.5
2027 0.966 322.8
2028 0.959 322.0
2029 0.952 321.3
2030 0.945 320.5

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