04044+2406 MCA 13 Aa,Ab

 
 
04h 04m 21.67s +24° 06' 21.7" P.A. 136.00 sep 0.0 mag 5.47,5.50 Sp K1II+B8IV dist. 347.22 pc (1132.63 l.y.)
 
 
Coord 2000 04044+2406 Discov num MCA  13 Comp Aa,Ab Coord arcsec 2000 04 04 21.67 +24 06 21.7
Date first 1980 Date last 2021 Obs 14
Pa first 153 Pa last 136.2 P.A. Now (θ) 115.9°
Sep first 0.0 Sep last 0.036 Sep. Now (ρ) 0.032"
Mag pri 5.47 Mag sec 5.50 delta mag (ΔM) 0.03 Spectral class K1II+B8IV (yellow-orange/blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
04044+2406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 76425 04 04 22 +24 06 22 MCA 13 Aa,Ab 2021 14 136 0.0 5.47 5.50 0.03 Y <===
Show 36 Tau 76425 04 04 22 +24 06 22 BU 544 AB 2015 10 258 25.7 5.47 12.20 6.73
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 76425 HIP 19009 Tycho2 1814-01647-1
Gaia DR2 66010696701152384 HD 25555 HR 1252 GC 4886
ADS 2965 BD BD+23 609 Flamsteed 36 Tauri Flamsteed name 36 Tau
Distance 347.22 Distance ly 1132.63
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.9438y Periastron (T)1985.0894y Semi-major axis (a)0.0272a
Eccentricity (e)0.6839 Inclination (i)141.09° Longitude of periastron (ω)287.35°
Node (Ω)260.09° Notes ReferenceMsn2018b
Equinox2000 Last observation2016 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 96.4 0.024
2001 319.2 0.007
2002 209.9 0.022
2003 181.0 0.029
2004 162.4 0.034
2005 147.5 0.037
2006 133.5 0.037
2007 117.9 0.033
2008 94.5 0.024
2009 300.1 0.008
2010 207.7 0.022
2011 179.8 0.030
2012 161.5 0.035
2013 146.7 0.037
2014 132.7 0.036
2015 116.9 0.033
2016 92.6 0.023
2017 285.2 0.009
2018 205.6 0.023
2019 178.6 0.030
2020 160.6 0.035
2021 145.9 0.037
2022 131.9 0.036
2023 115.9 0.032
2024 90.4 0.022
2025 273.7 0.010
2026 203.6 0.023
2027 177.4 0.030
2028 159.7 0.035
2029 145.1 0.037
2030 131.1 0.036


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



 
 


wds04044%2B2406b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic