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
Cdsa2 id
SNA 18
Constellation
Carina
SAO
238423
HIP
52558
Tycho2
8626-02075-1
HD
93250
CD
CD-58 3537
CP
CP-58 2661
Ra deg
10.745844444444444
De deg
-59.565194444444444
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.