12567-4741 I    83

 
 
12h 56m 39.54s -47 41' 10.7" P.A. 236.90 sep 0.8 mag 7.39,7.68 Sp F5IV/V dist. 81.04 pc (264.35 l.y.)
 
 
Coord 2000
12567-4741
Discov num
I    83
Comp
Coord arcsec 2000
12 56 39.54 -47 41 10.7
Date first
1896
Date last
2017
Obs
64
Pa first
270
Pa last
237
P.A. Now (θ)
236.9°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.84"
Mag pri
7.39
Mag sec
7.68
delta mag (ΔM)
0.29
Spectral class
F5IV/V (yellow-white)
Pri motion ra
-060
Sec motion ra
-060
Pri motion dec
-003
Sec motion dec
-003
Notes
N O (See Notes, Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.6
Precise sep
0.857
Constellation
Centaurus
SAO
223774
HIP
63182
Tycho2
8250-00344-1
Gaia DR2
99999588864
HD
112361
CD
CD-47 7972
CP
CP-47 5737
Distance
81.04
Distance ly
264.35
last precise pa
236.6
last precise sep
0.857
 
 
ORBITAL ELEMENTS
 
 
Period (P)173.8351y± 25.1134 Periastron (T)1918.1949y± 2.3476 Semi-major axis (a)0.50986a± 0.02609
Eccentricity (e)0.69834± 0.0558 Inclination (i)53.039°± 6.368 Longitude of periastron (ω)343.006°± 23.026
Node (Ω)62.472°± 10.321 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2014
label rho theta
2000 0.832 230.4
2001 0.834 230.7
2002 0.837 231.0
2003 0.839 231.4
2004 0.840 231.7
2005 0.842 232.0
2006 0.843 232.3
2007 0.844 232.7
2008 0.845 233.0
2009 0.846 233.3
2010 0.847 233.6
2011 0.847 234.0
2012 0.847 234.3
2013 0.847 234.6
2014 0.847 234.9
2015 0.846 235.3
2016 0.846 235.6
2017 0.845 235.9
2018 0.844 236.2
2019 0.842 236.6
2020 0.841 236.9
2021 0.839 237.2
2022 0.837 237.5
2023 0.835 237.9
2024 0.833 238.2
2025 0.830 238.5
2026 0.827 238.9
2027 0.824 239.2
2028 0.821 239.6
2029 0.818 239.9
2030 0.814 240.3

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






wds12567-4741c.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
12567-4741 I 83 1997 57 230 0.8 7.39 7.68 F5IV/V NOD 125639.54-474110.7
12567-4741 I 83 2009 59 233 0.8 7.39 7.68 F5IV/V NOD 125639.54-474110.7
12567-4741 I 83 2010 60 234 0.8 7.39 7.68 F5IV/V NO 125639.54-474110.7
12567-4741 I 83 2014 61 236 0.9 7.39 7.68 F5IV/V NO 125639.54-474110.7
12567-4741 I 83 2016 63 237 0.9 7.39 7.68 F5IV/V NO 125639.54-474110.7
12567-4741 I 83 2017 64 237 0.9 7.39 7.68 F5IV/V NO 125639.54-474110.7

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