11480+2013 MKT   7Aa,Ab

 
 
11H 47M 59.23S +20 13' 08.2" P.A. 23 MAG 4.53, SP A7V DIST. 71.33 PC (232.68 L.Y.)
 
 
Coord 2000
11480+2013
Discov num
MKT   7
Comp
Aa,Ab
Coord arcsec 2000
11 47 59.23 +20 13 08.2
Date first
1989
Date last
1992
Obs
9
Pa first
60
Pa last
23
P.A. Now (θ)
23°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
4.53
Mag sec
delta mag (ΔM)
Spectral class
A7V (white)
Pri motion ra
-149
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
11480+2013 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 81998 11480+2013 MKT 7 Aa,Ab 1989 1992 9 23 0.0 4.53 Y <===
Show 93 Leo 81998 11480+2013 STFB 7 AB 1822 2015 33 356 77.0 4.59 9.03 4.44
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
81998
HIP
57565
Tycho2
1443-02662-1
HD
102509
HR
4527
GC
16173
BD
BD+21 2358
Flamsteed
93 Leonis
Flamsteed name
93 Leo
Distance
71.33
Distance ly
232.68
last precise pa
22.8
last precise sep
0.005
 
 
ORBITAL ELEMENTS
 
 
Period (P)71.69d± 0 Periastron (T)47642.6d (1989.317y)± 0.2 Semi-major axis (a)7.5m± 0.1
Eccentricity (e)0± 0 Inclination (i)50.1°± 0.5 Longitude of periastron (ω)
Node (Ω)138°± 1 Note Grade1(1=Definitive, 9=Indet.)
Equinox2000 Last observation1992
label rho theta
2000-01-01 0.007 300.5
2001-01-01 0.007 323.1
2002-01-01 0.006 348.0
2003-01-01 0.005 26.9
2004-01-01 0.005 77.8
2005-01-01 0.007 113.3
2006-01-01 0.007 137.0
2007-01-01 0.007 160.2
2008-01-01 0.005 194.0
2009-01-01 0.005 244.5
2010-01-01 0.006 285.2
2011-01-01 0.007 310.9
2012-01-01 0.007 333.3
2013-01-01 0.006 2.8
2014-01-01 0.005 50.0
2015-01-01 0.006 95.9
2016-01-01 0.007 124.5
2017-01-01 0.007 146.8
2018-01-01 0.006 173.2
2019-01-01 0.005 215.4
2020-01-01 0.005 265.2
2021-01-01 0.007 297.7
2022-01-01 0.007 320.7
2023-01-01 0.007 344.8
2024-01-01 0.005 21.6
2025-01-01 0.005 72.7
2026-01-01 0.007 110.2
2027-01-01 0.007 134.6
2028-01-01 0.007 157.4
2029-01-01 0.005 189.4
2030-01-01 0.005 238.9

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