19143-0843 A 98 AB (HD 179799)

 
 
19h 14m 15.99s -08° 43' 08.5" P.A. 128.00 sep 22.5 mag 6.65,11.00 Sp K0IV dist. 65.49 pc (213.63 l.y.)
 
 
Coord 2000 19143-0843 Discov num A    98 Comp AB Coord arcsec 2000 19 14 15.99 -08 43 08.5
Date first 1900 Date last 2015 Obs 9
Pa first 128 Pa last 127.6 P.A. Now (θ) 127.6°
Sep first 28.8 Sep last 22.537 Sep. Now (ρ) 22.537"
Mag pri 6.65 Mag sec 11.00 delta mag (ΔM) 4.35 Spectral class K0IV (yellow-orange)
Pri motion ra +042 Sec motion ra -009
Pri motion dec -028 Sec motion dec -001
Notes N (See Notes)
rPM=1.143
This double is not physical.
 
 
19143-0843 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 179799 143163 19 14 16 -08 43 08 A 98 AB 2015 9 128 22.5 6.65 11.00 4.35 Y <===
Show 143163 19 14 16 -08 43 08 A 98 A,BC 2013 8 130 22.4 6.65 11.40 4.75
Show 19 14 17 -08 43 23 A 98 BC 2013 6 56 1.5 11.00 11.10 0.10
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 179799 Constellation Aquila SAO 143163 HIP 94521
Tycho2 5708-00524-1 Gaia DR2 4201271557967326720 HD 179799 ADS 12188
BD BD-08 4900 Distance 65.49 Distance ly 213.63
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier19143-0843
coord_arcsec_2000191415.99-084308.5
Period (P)703.6976d± 38.9773 Periastron (T)48684.4805d (1992.169y)± 34.6307 Semi-major axis (a)6.68m± 0.84
Eccentricity (e)0 Inclination (i)50.25°± 12.82 Longitude of periastron (ω)
Node (Ω)27.7°± 20.93 Notesn ReferenceHIP1997d
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 43.1 0.006
2001-01-01 228.0 0.006
2002-01-01 53.4 0.006
2003-01-01 239.2 0.006
2004-01-01 65.6 0.005
2005-01-01 252.8 0.005
2006-01-01 80.8 0.005
2007-01-01 269.7 0.005
2008-01-01 99.4 0.004
2009-01-01 289.8 0.004
2010-01-01 120.4 0.004
2011-01-01 311.0 0.004
2012-01-01 141.1 0.004
2013-01-01 330.4 0.005
2014-01-01 158.8 0.005
2015-01-01 346.4 0.005
2016-01-01 173.1 0.006
2017-01-01 359.2 0.006
2018-01-01 184.8 0.006
2019-01-01 10.0 0.006
2020-01-01 194.8 0.006
2021-01-01 19.4 0.007
2022-01-01 203.8 0.007
2023-01-01 28.2 0.007
2024-01-01 212.6 0.007
2025-01-01 37.1 0.007
2026-01-01 221.8 0.006
2027-01-01 46.7 0.006
2028-01-01 231.9 0.006
2029-01-01 57.6 0.006
2030-01-01 243.8 0.005


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



 
 


wds19143-0843r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic