10448-5934 SNA 18 (HD 93250)

 
 
10h 44m 45.04s -59° 33' 54.7" P.A. 22.00 sep 0.0 mag 7.40,7.60 Sp O7.5V+B0V dist. 1886.79 pc (6154.71 l.y.)
 
 
Coord 2000 10448-5934 Discov num SNA  18 Comp Coord arcsec 2000 10 44 45.04 -59 33 54.7
Date first 2010 Date last 2016 Obs 16
Pa first 75 Pa last 21.5 P.A. Now (θ) 21.5°
Sep first 0.0 Sep last 0.001 Sep. Now (ρ) 0.001"
Mag pri 7.40 Mag sec 7.60 delta mag (ΔM) 0.2 Spectral class O7.5V+B0V (blue/blue-white)
Pri motion ra -008 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 93250 Constellation Carina SAO 238423 HIP 52558
Tycho2 8626-02075-1 Gaia DR2 5350383460949215232 HD 93250 GC 14791
CD CD-58 3537 CP CP-58 2661 Distance 1886.79 Distance ly 6154.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)194.31d± 0.39 Periastron (T)54857.7d (2009.071y)± 5.4 Semi-major axis (a)1.224m± 0.028
Eccentricity (e)0.217± 0.011 Inclination (i)22°± 41 Longitude of periastron (ω)171°± 24
Node (Ω)59°± 20 Notes ReferenceLeB2017
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 203.5 0.001
2001-01-01 143.8 0.001
2002-01-01 101.1 0.001
2003-01-01 70.4 0.001
2004-01-01 43.6 0.001
2005-01-01 14.7 0.001
2006-01-01 337.3 0.001
2007-01-01 285.7 0.001
2008-01-01 223.6 0.001
2009-01-01 160.8 0.001
2010-01-01 112.6 0.001
2011-01-01 79.2 0.001
2012-01-01 51.9 0.001
2013-01-01 24.3 0.001
2014-01-01 350.3 0.001
2015-01-01 303.3 0.001
2016-01-01 243.6 0.001
2017-01-01 179.5 0.001
2018-01-01 125.7 0.001
2019-01-01 88.6 0.001
2020-01-01 60.2 0.001
2021-01-01 33.2 0.001
2022-01-01 2.0 0.001
2023-01-01 319.6 0.001
2024-01-01 263.0 0.001
2025-01-01 199.3 0.001
2026-01-01 140.4 0.001
2027-01-01 98.8 0.001
2028-01-01 68.6 0.001
2029-01-01 41.8 0.001
2030-01-01 12.6 0.001


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


 
  


wds10448-5934a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic