00594+0047 STF 80 AB (HD 5780)

 
 
00h 59m 23.31s +00 46' 43.5" P.A. 339.00 sep 29.9 mag 7.82,9.05 Sp K5II-III dist. 444.44 pc (1449.76 l.y.)
 
 
Coord 2000 00594+0047 Discov num STF  80 Comp AB Coord arcsec 2000 00 59 23.31 +00 46 43.5
Date first 1825 Date last 2018 Obs 148
Pa first 297 Pa last 338.7 P.A. Now (θ) 338.7°
Sep first 18.9 Sep last 29.91 Sep. Now (ρ) 29.91"
Mag pri 7.82 Mag sec 9.05 delta mag (ΔM) 1.23 Spectral class K5II-III (yellow-orange)
Pri motion ra -024 Sec motion ra +003
Pri motion dec -109 Sec motion dec -009
Notes N L S (See Notes, Linear solution, Parallax indidates non-physical)
rPM=0.928
This double is not physical.
 
 
00594+0047 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 5780 109577 00 59 23 +00 46 44 STF 80 AB 2018 148 339 29.9 7.82 9.05 1.23 <===
Show 109577 00 59 23 +00 46 44 BU 1354 AC 2015 8 267 178.2 7.82 11.10 3.28
Show 00 59 23 +00 47 10 BU 1354 BC 2015 10 258 171.1 9.05 11.10 2.05
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5780 Constellation Cetus SAO 109577 HIP 4624
Tycho2 0012-01234-1 Gaia DR2 2537360339382201856 HD 5780 GC 1185
ADS 818 DM BD+00 158 BD BD+00 159 Distance 444.44
Distance ly 1449.76
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
 
 
Identifier00594+0047 STF 80 A
coord_arcsec_2000005923.33+004644.5
Period (P)80.92y Periastron (T)1872.39y Semi-major axis (a)0.278a
Eccentricity (e)0.254 Inclination (i)70.13° Longitude of periastron (ω)272.7°
Node (Ω)4.39° Notesn ReferenceDom1969
Equinox1900 Last observation1968 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 141.2 0.160
2001 145.4 0.170
2002 149.1 0.180
2003 152.4 0.190
2004 155.4 0.200
2005 158.1 0.209
2006 160.5 0.219
2007 162.8 0.228
2008 164.9 0.236
2009 166.8 0.244
2010 168.7 0.251
2011 170.4 0.257
2012 172.1 0.263
2013 173.7 0.267
2014 175.3 0.270
2015 176.8 0.273
2016 178.3 0.273
2017 179.8 0.273
2018 181.4 0.271
2019 182.9 0.268
2020 184.5 0.263
2021 186.2 0.256
2022 188.0 0.248
2023 189.9 0.238
2024 192.0 0.226
2025 194.4 0.212
2026 197.1 0.197
2027 200.3 0.180
2028 204.2 0.161
2029 209.1 0.142
2030 215.6 0.122


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



 
 


wds00594%2B0047r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
 
 
Identifier00594+0047 STF 80 A
coord_arcsec_2000005923.33+004644.5
Period (P)84.84y Periastron (T)1873.71y Semi-major axis (a)0.276a
Eccentricity (e)0.699 Inclination (i)71.52° Longitude of periastron (ω)277.35°
Node (Ω)8.63° Notesn ReferenceDom1969
Equinox1900 Last observation1968 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 117.9 0.156
2001 120.9 0.159
2002 123.7 0.162
2003 126.4 0.165
2004 129.0 0.169
2005 131.6 0.172
2006 134.0 0.176
2007 136.3 0.180
2008 138.5 0.184
2009 140.6 0.187
2010 142.7 0.191
2011 144.6 0.195
2012 146.5 0.199
2013 148.3 0.203
2014 150.1 0.207
2015 151.8 0.210
2016 153.4 0.214
2017 155.0 0.217
2018 156.5 0.220
2019 158.0 0.223
2020 159.5 0.226
2021 160.9 0.229
2022 162.3 0.231
2023 163.6 0.233
2024 165.0 0.234
2025 166.3 0.235
2026 167.6 0.236
2027 168.9 0.236
2028 170.3 0.235
2029 171.6 0.234
2030 172.9 0.232


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



 
 


wds00594%2B0047s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic