00055+3406 HU 1201 AB (HD 39)

 
 
00h 05m 29.06s +34 06' 20.4" P.A. 311.00 sep 0.1 mag 8.20,9.76 Sp F8 dist. 97.09 pc (316.71 l.y.)
 
 
Coord 2000 00055+3406 Discov num HU 1201 Comp AB Coord arcsec 2000 00 05 29.06 +34 06 20.4
Date first 1904 Date last 2014 Obs 36
Pa first 310 Pa last 310.6 P.A. Now (θ) 304.5°
Sep first 0.2 Sep last 0.147 Sep. Now (ρ) 0.057"
Mag pri 8.20 Mag sec 9.76 delta mag (ΔM) 1.56 Spectral class F8 (yellow-white)
Pri motion ra -015 Sec motion ra
Pri motion dec +026 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00055+3406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 39 53635 00 05 29 +34 06 20 HU 1201 AB 2014 36 311 0.1 8.20 9.76 1.56 Y <===
Show 53635 00 05 29 +34 06 20 HO 490 AC 2015 12 163 25.3 8.20 13.40 5.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 39 Constellation Andromeda SAO 53635 HIP 461
Tycho2 2267-01706-1 Gaia DR2 2874421366954299904 HD 39 ADS 51
BD BD+33 4832 Distance 97.09 Distance ly 316.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.06y Periastron (T)1983.89y Semi-major axis (a)0.138a
Eccentricity (e)0.651 Inclination (i)91.5° Longitude of periastron (ω)23.9°
Node (Ω)128.1° Notesn ReferenceZir2003
Equinox2000 Last observation1998 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 307.9 0.210
2001 307.8 0.212
2002 307.8 0.214
2003 307.7 0.215
2004 307.7 0.215
2005 307.6 0.214
2006 307.5 0.212
2007 307.5 0.210
2008 307.4 0.206
2009 307.3 0.202
2010 307.3 0.197
2011 307.2 0.191
2012 307.1 0.184
2013 307.0 0.177
2014 306.9 0.168
2015 306.8 0.159
2016 306.7 0.149
2017 306.5 0.139
2018 306.4 0.127
2019 306.2 0.115
2020 305.9 0.102
2021 305.6 0.088
2022 305.2 0.073
2023 304.5 0.057
2024 303.2 0.041
2025 300.3 0.024
2026 281.6 0.007
2027 140.2 0.012
2028 132.1 0.029
2029 129.8 0.044
2030 128.6 0.051


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



 
 


wds00055%2B3406a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic