08021-1710 HDS 1140 AB

 
 
08h 02m 03.40s -17° 10' 18.6" P.A. 91.00 sep 0.5 mag 11.72,13.02 dist. 30.02 pc (97.93 l.y.)
 
 
Coord 2000 08021-1710 Discov num HDS1140 Comp AB Coord arcsec 2000 08 02 03.40 -17 10 18.6
Date first 1991 Date last 2023 Obs 13
Pa first 84 Pa last 91.2 P.A. Now (θ) 91.2°
Sep first 0.4 Sep last 0.464 Sep. Now (ρ) 0.464"
Mag pri 11.72 Mag sec 13.02 delta mag (ΔM) 1.3 Spectral class
Pri motion ra -345 Sec motion ra
Pri motion dec +138 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
08021-1710 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 08 02 03 -17 10 19 HDS 1140 AB 2023 13 91 0.5 11.72 13.02 1.30 Y <===
Show 08 02 03 -17 10 19 TOK 394 AC 2023 11 328 1.8 11.42 14.00 2.58
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Puppis HIP 39293 Tycho2 5999-00183-3 Distance 30.02
Distance ly 97.93
 
 
ORBITAL ELEMENTS
 
 
Period (P)34.875y Periastron (T)2001.248y Semi-major axis (a)0.372a
Eccentricity (e)0.299 Inclination (i)119.3° Longitude of periastron (ω)156.6°
Node (Ω)92.3° Notesn ReferenceTok2023a
Equinox2000 Last observation2023 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 300.9 0.203
2001 287.1 0.238
2002 276.4 0.261
2003 267.0 0.268
2004 257.5 0.260
2005 246.9 0.242
2006 234.3 0.218
2007 218.8 0.197
2008 200.4 0.186
2009 181.1 0.189
2010 163.8 0.206
2011 149.8 0.233
2012 139.0 0.266
2013 130.7 0.301
2014 124.1 0.335
2015 118.7 0.368
2016 114.1 0.397
2017 110.1 0.422
2018 106.5 0.442
2019 103.2 0.458
2020 100.1 0.468
2021 97.1 0.472
2022 94.1 0.471
2023 91.1 0.463
2024 87.9 0.449
2025 84.4 0.428
2026 80.5 0.401
2027 76.0 0.367
2028 70.5 0.327
2029 63.3 0.282
2030 53.2 0.235
2031 38.1 0.189
2032 14.9 0.155
2033 344.8 0.148
2034 317.8 0.171
2035 298.9 0.207
2036 285.6 0.241
2037 275.2 0.262
2038 265.8 0.268
2039 256.3 0.258
2040 245.5 0.239
2041 232.5 0.215
2042 216.6 0.195
2043 198.0 0.185
2044 178.8 0.190
2045 161.8 0.209
2046 148.3 0.237
2047 137.8 0.270
2048 129.8 0.305
2049 123.3 0.340
2050 118.0 0.371


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds08021-1710b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic