07289-3015 HDS 1054 AB

 
 
07h 28m 51.46s -30° 14' 47.4" P.A. 151.00 sep 0.3 mag 10.23,12.10 Sp M1V:+M1.5 dist. 15.69 pc (51.18 l.y.)
 
 
Coord 2000 07289-3015 Discov num HDS1054 Comp AB Coord arcsec 2000 07 28 51.46 -30 14 47.4
Date first 1991 Date last 2021 Obs 17
Pa first 165 Pa last 151.4 P.A. Now (θ) 162.3°
Sep first 0.3 Sep last 0.274 Sep. Now (ρ) 0.406"
Mag pri 10.23 Mag sec 12.10 delta mag (ΔM) 1.87 Spectral class M1V:+M1.5 (red/red)
Pri motion ra -131 Sec motion ra
Pri motion dec -131 Sec motion dec
Notes N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
07289-3015 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 07 28 51 -30 14 47 HDS 1054 AB 2021 17 151 0.3 10.23 12.10 1.87 Y <===
Show 07 28 51 -30 14 47 SKF 1945 AB,C 2015 10 182 64.0 10.00 13.70 3.70
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V372 Pup Constellation Puppis HIP 36349 Gaia DR2 5605469402650841472
CD CD-29 4446 CP CP-29 1747 Distance 15.69 Distance ly 51.18
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.8y Periastron (T)2013.112y Semi-major axis (a)0.253a
Eccentricity (e)0.896 Inclination (i)31.2° Longitude of periastron (ω)178.6°
Node (Ω)173.4° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 164.9 0.436
2001 170.2 0.476
2002 175.1 0.473
2003 180.6 0.425
2004 188.5 0.323
2005 213.5 0.123
2006 146.0 0.216
2007 159.4 0.368
2008 166.0 0.448
2009 171.2 0.479
2010 176.1 0.467
2011 181.9 0.410
2012 190.9 0.294
2013 245.3 0.055
2014 150.1 0.255
2015 160.9 0.388
2016 167.1 0.457
2017 172.1 0.480
2018 177.2 0.459
2019 183.3 0.392
2020 193.8 0.260
2021 87.8 0.046
2022 153.1 0.289
2023 162.3 0.406
2024 168.2 0.465
2025 173.1 0.479
2026 178.2 0.450
2027 184.8 0.372
2028 197.7 0.222
2029 128.7 0.115
2030 155.5 0.318


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



 
 


wds07289-3015a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic