00085+3456 HDS 17 (HD 375)

 
 
00h 08m 28.39s +34 56' 04.3" P.A. 136.00 sep 0.1 mag 8.11,8.36 Sp F8.5IV+G0 dist. 85.54 pc (279.03 l.y.)
 
 
Coord 2000 00085+3456 Discov num HDS  17 Comp Coord arcsec 2000 00 08 28.39 +34 56 04.3
Date first 1991 Date last 2020 Obs 59
Pa first 358 Pa last 136.3 P.A. Now (θ) 87.5°
Sep first 0.1 Sep last 0.064 Sep. Now (ρ) 0.118"
Mag pri 8.11 Mag sec 8.36 delta mag (ΔM) 0.25 Spectral class F8.5IV+G0 (yellow-white/yellow)
Pri motion ra +114 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 375 Constellation Andromeda SAO 53674 HIP 689
Tycho2 2267-00721-1 Gaia DR2 2875970475758724224 HD 375 BD BD+34 3
Distance 85.54 Distance ly 279.03
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.77y± 0.01 Periastron (T)2006.41y± 0.01 Semi-major axis (a)89m± 0.3
Eccentricity (e)0.527± 0.002 Inclination (i)209.9°± 0.7 Longitude of periastron (ω)11°± 2
Node (Ω)252°± 2 Notesn ReferenceMit2021
Equinox Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 62.7 0.135
2001 53.5 0.131
2002 43.3 0.122
2003 30.7 0.106
2004 12.7 0.086
2005 341.5 0.062
2006 278.9 0.045
2007 187.8 0.044
2008 130.6 0.068
2009 105.3 0.095
2010 90.3 0.115
2011 79.1 0.128
2012 69.6 0.134
2013 60.6 0.135
2014 51.3 0.130
2015 40.6 0.119
2016 27.2 0.102
2017 7.2 0.080
2018 330.7 0.057
2019 259.0 0.043
2020 169.9 0.048
2021 123.1 0.075
2022 101.3 0.100
2023 87.5 0.118
2024 76.8 0.130
2025 67.5 0.135
2026 58.5 0.134
2027 49.0 0.128
2028 37.9 0.115
2029 23.4 0.097
2030 0.9 0.075


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



 
 


wds00085%2B3456e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic