10448-5934 SNA  18

 
 
10h 44m 45.04s -59 33' 54.7" P.A. 22 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
22
P.A. Now (θ)
22°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
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)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.5
Precise sep
0.001
Constellation
Carina
SAO
238423
HIP
52558
Tycho2
8626-02075-1
HD
93250
CD
CD-58 3537
CP
CP-58 2661
Distance
1886.79
Distance ly
6154.71
last precise pa
21.5
last precise sep
0.001
 
 
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 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000-01-01 0.001 203.5
2001-01-01 0.001 143.8
2002-01-01 0.001 101.1
2003-01-01 0.001 70.4
2004-01-01 0.001 43.6
2005-01-01 0.001 14.7
2006-01-01 0.001 337.3
2007-01-01 0.001 285.7
2008-01-01 0.001 223.6
2009-01-01 0.001 160.8
2010-01-01 0.001 112.6
2011-01-01 0.001 79.2
2012-01-01 0.001 51.9
2013-01-01 0.001 24.3
2014-01-01 0.001 350.3
2015-01-01 0.001 303.3
2016-01-01 0.001 243.6
2017-01-01 0.001 179.5
2018-01-01 0.001 125.7
2019-01-01 0.001 88.6
2020-01-01 0.001 60.2
2021-01-01 0.001 33.2
2022-01-01 0.001 2.0
2023-01-01 0.001 319.6
2024-01-01 0.001 263.0
2025-01-01 0.001 199.3
2026-01-01 0.001 140.4
2027-01-01 0.001 98.8
2028-01-01 0.001 68.6
2029-01-01 0.001 41.8
2030-01-01 0.001 12.6

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

grafico orbita





wds10448-5934a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10448-5934 SNA 18 2013 1 53 0.0 7.40 7.60 O4III V K 104445.04-593354.7
10448-5934 SNA 18 2016 16 22 0.0 7.40 7.60 O7.5V+B0V NV K 104445.04-593354.7

If you need more information about this double, apply for a data request form to the WDS.