00093+2517 GIC 2 AB (HD 471)

 
 
00h 09m 15.74s +25 16' 55.0" P.A. 236.00 sep 29.7 mag 7.77,11.46 Sp F9V+K6V dist. 51.41 pc (167.7 l.y.)
 
 
Coord 2000 00093+2517 Discov num GIC   2 Comp AB Coord arcsec 2000 00 09 15.74 +25 16 55.0
Date first 1891 Date last 2018 Obs 15
Pa first 238 Pa last 236.3 P.A. Now (θ) 236.3°
Sep first 29.7 Sep last 29.69 Sep. Now (ρ) 29.69"
Mag pri 7.77 Mag sec 11.46 delta mag (ΔM) 3.69 Spectral class F9V+K6V (yellow-white/yellow-orange)
Pri motion ra +172 Sec motion ra +169
Pri motion dec -147 Sec motion dec -145
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
00093+2517 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 471 73776 00 09 16 +25 16 55 GIC 2 AB 2018 15 236 29.7 7.77 11.46 3.69 <===
Show 73776 00 09 16 +25 16 55 FYM 132 AC 2018 8 162 62.5 7.77 12.40 4.63
Show 00 09 17 +25 15 54 FYM 132 CD 2014 5 68 10.3 12.40 15.00 2.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 471 Constellation Pegasus SAO 73776 HIP 754
Tycho2 1732-01838-1 Gaia DR2 2850307187170712576 HD 471 GC 153
BD BD+24 4 Distance 51.41 Distance ly 167.7
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier00093+2517
coord_arcsec_2000000915.63+251656.3
Period (P)483d± 13 Periastron (T)48565d (1991.842y)± 74 Semi-major axis (a)9.8m± 2.8
Eccentricity (e)0.22± 0.31 Inclination (i)74°± 10 Longitude of periastron (ω)112°± 46
Node (Ω)169°± 16 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 354.0 0.009
2001-01-01 206.4 0.003
2002-01-01 162.4 0.010
2003-01-01 103.6 0.004
2004-01-01 357.0 0.009
2005-01-01 236.8 0.002
2006-01-01 164.5 0.010
2007-01-01 119.2 0.004
2008-01-01 0.3 0.008
2009-01-01 284.6 0.002
2010-01-01 166.7 0.010
2011-01-01 130.3 0.005
2012-01-01 4.1 0.008
2013-01-01 314.4 0.003
2014-01-01 168.8 0.010
2015-01-01 138.2 0.006
2016-01-01 8.5 0.007
2017-01-01 328.2 0.005
2018-01-01 171.1 0.010
2019-01-01 144.1 0.007
2020-01-01 14.1 0.006
2021-01-01 336.0 0.006
2022-01-01 173.7 0.009
2023-01-01 148.6 0.008
2024-01-01 21.5 0.005
2025-01-01 341.1 0.007
2026-01-01 176.7 0.008
2027-01-01 152.3 0.008
2028-01-01 31.6 0.004
2029-01-01 345.1 0.008
2030-01-01 180.5 0.007


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



 
 


wds00093%2B2517r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic