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
 
 
Precise pa
22.8
Precise sep
0.005
Cdsa2 id
MKT 7 Aa,Ab
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
Ra deg
11.79978611111111
De deg
20.218944444444443
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





wds11480%2B2013b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11480+2013 MKT 7 Aa,Ab 1992 9 23 0.0 4.53   A7V NO 114759.23+201308.2

If you need more information about this double, apply for a data request form to the WDS.