09466-4955 HDS1414

 
 
09h 46m 36.02s -49 55' 00.3" P.A. 245.70 sep 0.0 mag 9.18,10.42 Sp G5IV dist. 146.41 pc (477.59 l.y.)
 
 
Coord 2000
09466-4955
Discov num
HDS1414
Comp
Coord arcsec 2000
09 46 36.02 -49 55 00.3
Date first
1991
Date last
2019
Obs
13
Pa first
337
Pa last
194
P.A. Now (θ)
245.7°
Sep first
0.2
Sep last
0.0
Sep. Now (ρ)
0.02"
Mag pri
9.18
Mag sec
10.42
delta mag (ΔM)
1.24
Spectral class
G5IV (yellow)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+029
Sec motion dec
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194
Precise sep
0.018
Constellation
Vela
SAO
221487
HIP
47969
Tycho2
8189-01055-1
Gaia DR2
33610403072
HD
84847
CD
CD-49 4673
CP
CP-49 2772
Distance
146.41
Distance ly
477.59
last precise pa
194
last precise sep
0.018
 
 
ORBITAL ELEMENTS
 
 
Period (P)71.9y Periastron (T)2019.2y Semi-major axis (a)0.16a
Eccentricity (e)0.8 Inclination (i)66.4° Longitude of periastron (ω)239.9°
Node (Ω)289.7° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.109 350.2
2001 0.105 352.9
2002 0.100 355.9
2003 0.095 359.1
2004 0.091 2.7
2005 0.086 6.6
2006 0.082 11.0
2007 0.078 15.8
2008 0.074 21.2
2009 0.070 27.1
2010 0.067 33.6
2011 0.065 40.7
2012 0.063 48.3
2013 0.061 56.3
2014 0.060 64.7
2015 0.059 73.5
2016 0.057 82.8
2017 0.053 92.9
2018 0.045 105.5
2019 0.025 131.5
2020 0.021 245.7
2021 0.049 275.8
2022 0.073 284.2
2023 0.092 288.8
2024 0.107 291.9
2025 0.120 294.3
2026 0.131 296.2
2027 0.141 297.9
2028 0.149 299.3
2029 0.156 300.6
2030 0.163 301.9

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






wds09466-4955b.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
09466-4955 HDS1414 1991 1 337 0.2 9.18 10.42 G5IV 094636.02-495500.3
09466-4955 HDS1414 2015 2 76 0.1 9.18 10.42 G5IV 094636.02-495500.3
09466-4955 HDS1414 2017 9 94 0.1 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2018 11 129 0.0 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2019 13 194 0.0 9.18 10.42 G5IV O 094636.02-495500.3

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