13145-2417 FIN 297 AB

 
 
13h 14m 27.58s -24° 17' 03.4" P.A. 194.00 sep 0.1 mag 7.51,7.48 Sp F0V dist. 100.1 pc (326.53 l.y.)
 
 
Coord 2000 13145-2417 Discov num FIN 297 Comp AB Coord arcsec 2000 13 14 27.58 -24 17 03.4
Date first 1931 Date last 2020 Obs 55
Pa first 333 Pa last 194.4 P.A. Now (θ) 215.7°
Sep first 0.3 Sep last 0.098 Sep. Now (ρ) 0.125"
Mag pri 7.51 Mag sec 7.48 delta mag (ΔM) 0.03 Spectral class F0V (yellow-white)
Pri motion ra -071 Sec motion ra
Pri motion dec +011 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
13145-2417 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 181476 13 14 28 -24 17 03 FIN 297 AB 2020 55 194 0.1 7.51 7.48 0.03 Y <===
Show 181476 13 14 28 -24 17 03 STN 28 AB,C 2015 15 331 12.3 6.72 11.54 4.82
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra SAO 181476 HIP 64603 Tycho2 6699-00595-1
Gaia DR2 6194009389692803584 HD 114993 GC 17922 ADS 8831
CD CD-2310974 CP CP-23 5710 Distance 100.1 Distance ly 326.53
 
 
ORBITAL ELEMENTS
 
 
Period (P)60.61y± 0.25 Periastron (T)1957.5y± 0.27 Semi-major axis (a)246.2m± 1.2
Eccentricity (e)0.7323± 0.0049 Inclination (i)67.58°± 0.14 Longitude of periastron (ω)111.22°± 0.35
Node (Ω)10.74°± 0.14 Notesn ReferenceMdz2021
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 345.6 0.262
2001 346.9 0.263
2002 348.3 0.263
2003 349.6 0.262
2004 351.0 0.260
2005 352.4 0.258
2006 353.8 0.254
2007 355.3 0.249
2008 356.8 0.243
2009 358.5 0.235
2010 0.2 0.226
2011 2.2 0.214
2012 4.4 0.199
2013 6.9 0.181
2014 10.2 0.159
2015 14.6 0.131
2016 21.9 0.096
2017 40.8 0.051
2018 135.9 0.030
2019 181.5 0.070
2020 194.6 0.099
2021 202.8 0.113
2022 209.5 0.121
2023 215.7 0.125
2024 221.6 0.126
2025 227.5 0.126
2026 233.4 0.126
2027 239.2 0.126
2028 245.2 0.126
2029 251.1 0.126
2030 257.0 0.127


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



 
 


wds13145-2417f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic