12301-1324 BU 28 AB (HD 108799)

 
 
12h 30m 04.77s -13° 23' 35.5" P.A. 349.00 sep 2.1 mag 6.49,9.58 Sp F9V dist. 24.65 pc (80.41 l.y.)
 
 
Coord 2000 12301-1324 Discov num BU   28 Comp AB Coord arcsec 2000 12 30 04.77 -13 23 35.5
Date first 1872 Date last 2019 Obs 103
Pa first 355 Pa last 349 P.A. Now (θ) 351°
Sep first 3.0 Sep last 2.128 Sep. Now (ρ) 2.133"
Mag pri 6.49 Mag sec 9.58 delta mag (ΔM) 3.09 Spectral class F9V (yellow-white)
Pri motion ra -262 Sec motion ra -238
Pri motion dec -054 Sec motion dec -032
Notes N O (See Notes, Orbital solution)
rPM=0.122 (< 0.3, Physical double)
This double is physical.
 
 
12301-1324 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 108799 157326 12 30 05 -13 23 36 BU 28 AB 2019 103 349 2.1 6.49 9.58 3.09 Y <===
Show 157326 12 30 05 -13 23 36 LV 19 AC 2013 6 303 71.3 6.49 10.60 4.11
Show 157326 12 30 05 -13 23 36 LV 19 AD 2013 5 166 71.2 6.49 11.60 5.11
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 108799 Constellation Corvus SAO 157326 HIP 60994
Tycho2 5533-01791-1 Gaia DR2 3528362362908431616 HD 108799 HR 4758
GC 17036 ADS 8573 GL Gl 469.2A BD BD-12 3647
Distance 24.65 Distance ly 80.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)150.94y Periastron (T)1946.09y Semi-major axis (a)1.395a
Eccentricity (e)0.702 Inclination (i)29.9° Longitude of periastron (ω)60.9°
Node (Ω)112.8° Notesn ReferenceMsn2017a
Equinox2000 Last observation2016 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 336.5 2.078
2001 337.1 2.087
2002 337.8 2.094
2003 338.4 2.102
2004 339.1 2.108
2005 339.7 2.114
2006 340.4 2.120
2007 341.0 2.125
2008 341.6 2.129
2009 342.3 2.133
2010 342.9 2.136
2011 343.5 2.139
2012 344.1 2.142
2013 344.8 2.143
2014 345.4 2.144
2015 346.0 2.145
2016 346.6 2.145
2017 347.2 2.145
2018 347.9 2.144
2019 348.5 2.143
2020 349.1 2.141
2021 349.7 2.139
2022 350.4 2.136
2023 351.0 2.133
2024 351.6 2.129
2025 352.3 2.125
2026 352.9 2.120
2027 353.5 2.114
2028 354.2 2.109
2029 354.8 2.102
2030 355.5 2.096


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



 
 


wds12301-1324b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic