02424+2001 BLA   1Aa,Ab

 
 
02H 42M 21.92S +20 00' 41.7" P.A. 263.5 SEP 0.03 MAG 5.69,6.20 SP A0V DIST. 116.82 PC (381.07 L.Y.)
 
 
Coord 2000
02424+2001
Discov num
BLA   1
Comp
Aa,Ab
Coord arcsec 2000
02 42 21.92 +20 00 41.7
Date first
1975
Date last
2014
Obs
30
Pa first
147
Pa last
95
P.A. Now (θ)
263.5°
Sep first
0.0
Sep last
0.1
Sep. Now (ρ)
0.03"
Mag pri
5.69
Mag sec
6.20
delta mag (ΔM)
0.51
Spectral class
A0V (white)
Pri motion ra
+025
Sec motion ra
Pri motion dec
-046
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02424+2001 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 93062 02424+2001 BLA 1 Aa,Ab 1975 2014 30 264 0.0 5.69 6.20 0.51 Y <===
Show Mu Ari 93062 02424+2001 BU 522 AB 1878 2000 9 265 19.0 5.69 12.20 6.51
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93062
HIP
12640
Tycho2
1229-01969-1
HD
16811
HR
793
GC
3256
ADS
2062
BD
BD+19 403
Bayer
Mu Arietis
Bayer name
Mu Ari
Flamsteed
34 Arietis
Flamsteed name
34 Ari
Distance
116.82
Distance ly
381.07
last precise pa
95.2
last precise sep
0.053
 
 
ORBITAL ELEMENTS
 
 
Period (P)8.845y± 0.046 Periastron (T)1981.099y± 0.063 Semi-major axis (a)0.0563a± 0.0008
Eccentricity (e)0.337± 0.023 Inclination (i)71.2°± 1.1 Longitude of periastron (ω)92.3°± 1.7
Node (Ω)101°± 1 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation1996
label rho theta
2000 0.049 280.6
2001 0.050 295.3
2002 0.036 316.1
2003 0.024 4.1
2004 0.033 58.6
2005 0.049 82.5
2006 0.054 96.6
2007 0.032 116.5
2008 0.024 255.0
2009 0.051 283.1
2010 0.049 297.8
2011 0.034 321.1
2012 0.024 14.4
2013 0.036 63.7
2014 0.051 84.9
2015 0.052 98.8
2016 0.026 123.6
2017 0.030 263.5
2018 0.052 285.3
2019 0.047 300.4
2020 0.031 326.8
2021 0.025 24.5
2022 0.038 68.2
2023 0.052 87.2
2024 0.051 101.1
2025 0.020 135.2
2026 0.036 269.1
2027 0.053 287.6
2028 0.045 303.3
2029 0.029 333.4
2030 0.026 33.9

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