02424+2001 BLA 1 Aa,Ab

02h 42m 21.92s +20° 00' 41.7" P.A. 62.00 sep 0.0 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 2021 Obs 43
Pa first 327 Pa last 61.7 P.A. Now (θ) 87.2°
Sep first 0.0 Sep last 0.033 Sep. Now (ρ) 0.052"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 93062 02 42 22 +20 00 42 BLA 1 Aa,Ab 2021 43 62 0.0 5.69 6.20 0.51 Y <===
Show Mu Ari 93062 02 42 22 +20 00 42 BU 522 AB 2017 12 265 18.6 5.69 12.20 6.51
Show 02 42 22 +20 00 42 OCC 9075 Ba,Bb 1973 0 -1 0.0 12.40 14.50 2.10


Quadruple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Aries SAO 93062 HIP 12640 Tycho2 1229-01969-1
Gaia DR2 84944355647503360 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
Bayer greek μ Ari




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 Notesn ReferenceMsn1997a
Equinox2000 Last observation1996 Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 280.6 0.049
2001 295.3 0.050
2002 316.1 0.036
2003 4.1 0.024
2004 58.6 0.033
2005 82.5 0.049
2006 96.6 0.054
2007 116.5 0.032
2008 255.0 0.024
2009 283.1 0.051
2010 297.8 0.049
2011 321.1 0.034
2012 14.4 0.024
2013 63.7 0.036
2014 84.9 0.051
2015 98.8 0.052
2016 123.6 0.026
2017 263.5 0.030
2018 285.3 0.052
2019 300.4 0.047
2020 326.8 0.031
2021 24.5 0.025
2022 68.2 0.038
2023 87.2 0.052
2024 101.1 0.051
2025 135.2 0.020
2026 269.1 0.036
2027 287.6 0.053
2028 303.3 0.045
2029 333.4 0.029
2030 33.9 0.026


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds02424%2B2001a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic