11416+3145 BNU   3Aa,Ab

 
 
11h 41m 34.26s +31 44' 45.8" P.A. 232 mag 5.73,6.70 Sp F4V dist. 41.15 pc (134.23 l.y.)
 
 
Coord 2000
11416+3145
Discov num
BNU   3
Comp
Aa,Ab
Coord arcsec 2000
11 41 34.26 +31 44 45.8
Date first
1984
Date last
1993
Obs
9
Pa first
229
Pa last
232
P.A. Now (θ)
232°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
5.73
Mag sec
6.70
delta mag (ΔM)
0.97
Spectral class
F4V (yellow-white)
Pri motion ra
-351
Sec motion ra
Pri motion dec
+030
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
11416+3145 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 62658 11416+3145 BNU 3 Aa,Ab 1984 1993 9 232 0.0 5.73 6.70 0.97 Y <===
Show 62 UMa 62658 11416+3145 STT 575 AB 1850 2012 27 310 46.4 5.79 9.75 3.96
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
62658
HIP
57029
Tycho2
2523-02743-1
HD
101606
HR
4501
GC
16051
BD
BD+32 2179
Flamsteed
62 Ursae Majoris
Flamsteed name
62 UMa
Distance
41.15
Distance ly
134.23
last precise pa
232.4
last precise sep
0.047
 
 
ORBITAL ELEMENTS
 
 
Period (P)267.508d± 0.001 Periastron (T)47327.5d (1988.454y)± 0.02 Semi-major axis (a)27m± 1
Eccentricity (e)0.853± 0.001 Inclination (i)70°± 5.7 Longitude of periastron (ω)195.7°± 0.2
Node (Ω)39°± 3.1 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000-01-01 0.035 51.3
2001-01-01 0.028 34.5
2002-01-01 0.048 44.4
2003-01-01 0.023 56.7
2004-01-01 0.039 38.4
2005-01-01 0.046 46.4
2006-01-01 0.007 84.0
2007-01-01 0.046 40.8
2008-01-01 0.041 48.7
2009-01-01 0.014 25.8
2010-01-01 0.048 42.9
2011-01-01 0.033 52.0
2012-01-01 0.031 35.5
2013-01-01 0.048 44.8
2014-01-01 0.021 58.5
2015-01-01 0.041 38.9
2016-01-01 0.045 46.8
2017-01-01 0.003 128.6
2018-01-01 0.046 41.3
2019-01-01 0.040 49.3
2020-01-01 0.018 29.3
2021-01-01 0.049 43.2
2022-01-01 0.031 52.9
2023-01-01 0.033 36.3
2024-01-01 0.048 45.2
2025-01-01 0.018 60.9
2026-01-01 0.042 39.4
2027-01-01 0.044 47.2
2028-01-01 0.004 207.8
2029-01-01 0.047 41.7
2030-01-01 0.038 49.9

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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11416+3145 BNU 3 Aa,Ab 1993 9 232 0.0 5.73 6.70 F4V N D 114134.50+314445.5

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