19512-7248 TOK 697 Aa,Ab

 
 
19h 51m 14.13s -72° 47' 42.2" P.A. 250.00 sep 0.0 mag 7.60,8.90 Sp F6V dist. 87.03 pc (283.89 l.y.)
 
 
Coord 2000 19512-7248 Discov num TOK 697 Comp Aa,Ab Coord arcsec 2000 19 51 14.13 -72 47 42.2
Date first 2015 Date last 2021 Obs 10
Pa first 31 Pa last 250.4 P.A. Now (θ) 250.4°
Sep first 0.0 Sep last 0.025 Sep. Now (ρ) 0.025"
Mag pri 7.60 Mag sec 8.90 delta mag (ΔM) 1.3 Spectral class F6V (yellow-white)
Pri motion ra +020 Sec motion ra
Pri motion dec -054 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19512-7248 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 257743 19 51 14 -72 47 42 TOK 697 Aa,Ab 2021 10 250 0.0 7.60 8.90 1.30 Y <===
Show HD 186502 257743 19 51 14 -72 47 42 HJ 5137 AB 2020 10 208 25.7 7.35 11.40 4.05
Show 257743 19 51 14 -72 47 42 HJ 5137 AC 2020 9 314 49.1 7.35 11.73 4.38
Show 257743 19 51 14 -72 47 42 SHY 760 AD 2000 3 87 999.9 7.35 8.30 0.95
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo SAO 257743 HIP 97690 Tycho2 9314-01529-1
Gaia DR2 6416089779064964352 HD 186502 CP CP-73 2067 Distance 87.03
Distance ly 283.89
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier19512-7248 HJ 5137 A
coord_arcsec_2000195114.13-724742.2
Period (P)1051d (2.88y)± 67 Periastron (T)48848d (1992.617y)± 363 Semi-major axis (a)8m± 1
Eccentricity (e)0.08± 0.17 Inclination (i)61°± 8 Longitude of periastron (ω)105°± 68
Node (Ω)44°± 96 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 9.6 0.006
2001-01-01 95.0 0.004
2002-01-01 238.4 0.007
2003-01-01 20.9 0.007
2004-01-01 126.4 0.004
2005-01-01 248.0 0.007
2006-01-01 29.7 0.008
2007-01-01 161.7 0.004
2008-01-01 260.4 0.006
2009-01-01 37.3 0.008
2010-01-01 186.5 0.005
2011-01-01 277.6 0.005
2012-01-01 44.5 0.008
2013-01-01 201.9 0.006
2014-01-01 301.1 0.004
2015-01-01 52.0 0.008
2016-01-01 212.6 0.007
2017-01-01 327.9 0.004
2018-01-01 60.8 0.007
2019-01-01 221.1 0.008
2020-01-01 350.8 0.005
2021-01-01 72.7 0.006
2022-01-01 228.9 0.008
2023-01-01 7.4 0.006
2024-01-01 91.0 0.005
2025-01-01 237.0 0.007
2026-01-01 19.2 0.007
2027-01-01 120.5 0.004
2028-01-01 246.2 0.007
2029-01-01 28.4 0.008
2030-01-01 156.4 0.004


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



 
 


wds19512-7248s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic