03545+0510 A 1831 BC

 
 
03h 54m 27.09s +05° 11' 28.2" P.A. 237.00 sep 0.2 mag 9.38,10.35 Sp A7 dist. 291.55 pc (951.04 l.y.)
 
 
Coord 2000 03545+0510 Discov num A  1831 Comp BC Coord arcsec 2000 03 54 27.09 +05 11 28.2
Date first 1908 Date last 2021 Obs 16
Pa first 35 Pa last 236.8 P.A. Now (θ) 236.8°
Sep first 0.2 Sep last 0.176 Sep. Now (ρ) 0.176"
Mag pri 9.38 Mag sec 10.35 delta mag (ΔM) 0.97 Spectral class A7 (white)
Pri motion ra +008 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03545+0510 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V479 Tau 111492 03 54 27 +05 10 28 STTA 41 A,BC 2014 35 358 59.6 7.46 8.93 1.47
Show 03 54 27 +05 11 28 A 1831 BC 2021 16 237 0.2 9.38 10.35 0.97 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus HIP 18264 Tycho2 0072-00917-1 Gaia DR2 3273629059470570368
HD 24550 ADS 2849 BD BD+04 600 Distance 291.55
Distance ly 951.04
 
 
ORBITAL ELEMENTS
 
 
Period (P)216.02y± 42.23 Periastron (T)1986.2y± 25.43 Semi-major axis (a)0.187a± 0.013
Eccentricity (e)0.099± 0.144 Inclination (i)56°± 5.4 Longitude of periastron (ω)300.1°± 47.3
Node (Ω)231.8°± 5.3 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 212.6 0.153
2001 214.0 0.155
2002 215.3 0.157
2003 216.6 0.159
2004 217.8 0.161
2005 219.1 0.163
2006 220.3 0.165
2007 221.5 0.167
2008 222.6 0.168
2009 223.8 0.170
2010 224.9 0.171
2011 226.0 0.172
2012 227.1 0.173
2013 228.1 0.174
2014 229.2 0.175
2015 230.3 0.176
2016 231.3 0.176
2017 232.3 0.177
2018 233.4 0.177
2019 234.4 0.177
2020 235.5 0.177
2021 236.5 0.177
2022 237.5 0.177
2023 238.5 0.177
2024 239.6 0.177
2025 240.6 0.176
2026 241.7 0.176
2027 242.7 0.175
2028 243.8 0.174
2029 244.9 0.173
2030 246.0 0.172


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



 
 


wds03545%2B0510a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic