13000-4123 I  1224

 
 
12h 59m 59.05s -41 23' 27.0" P.A. 121.70 sep 0.1 mag 8.10,8.30 Sp F3/5V
 
 
Coord 2000
13000-4123
Discov num
I  1224
Comp
Coord arcsec 2000
12 59 59.05 -41 23 27.0
Date first
1925
Date last
2018
Obs
19
Pa first
337
Pa last
114
P.A. Now (θ)
121.7°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
8.10
Mag sec
8.30
delta mag (ΔM)
0.2
Spectral class
F3/5V (yellow-white)
Pri motion ra
-065
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.6
Precise sep
0.099
Constellation
Centaurus
SAO
223823
Tycho2
7780-00867-1
Gaia DR2
15754539136
HD
112833
last precise pa
113.6
last precise sep
0.099
 
 
ORBITAL ELEMENTS
 
 
Period (P)183.749y Periastron (T)2052.11y Semi-major axis (a)0.243a
Eccentricity (e)0.38 Inclination (i)73° Longitude of periastron (ω)37.9°
Node (Ω)156.7° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.099 34.6
2001 0.095 37.9
2002 0.091 41.5
2003 0.088 45.4
2004 0.086 49.5
2005 0.083 53.9
2006 0.081 58.6
2007 0.080 63.4
2008 0.079 68.3
2009 0.079 73.4
2010 0.079 78.4
2011 0.080 83.4
2012 0.081 88.3
2013 0.083 92.9
2014 0.085 97.4
2015 0.087 101.6
2016 0.090 105.6
2017 0.094 109.3
2018 0.097 112.8
2019 0.101 116.0
2020 0.105 118.9
2021 0.109 121.7
2022 0.113 124.2
2023 0.117 126.6
2024 0.121 128.8
2025 0.125 130.9
2026 0.129 132.8
2027 0.133 134.6
2028 0.137 136.4
2029 0.141 138.0
2030 0.144 139.5

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






wds13000-4123a.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
13000-4123 I 1224 1993 15 17 0.1 8.10 8.30 F3/5V 125959.05-412327.0
13000-4123 I 1224 2017 18 111 0.1 8.10 8.30 F3/5V 125959.05-412327.0
13000-4123 I 1224 2018 19 114 0.1 8.10 8.30 F3/5V O 125959.05-412327.0

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 13000-4123 I 1224 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018e orb - Tokovinin, A. 2018IAUDS.195....1T
Tok2018e
 
 
DISCOVERER
 
 

 
 
WDS 13000-4123 I 1224 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13000-4123 I 1224 : MEASURES
 
 
No records found.

 
 
WDS 13000-4123 I 1224 : Virtual Eyepiece
 
 

13000-4123 A mag 8.1 Sp F3/5V 13000-4123 B sep 0.1 P.A. 120.20 mag 8.3 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 13000-4123 I 1224 : Aladin DSS image @ 12h 59m 59.05s -41 23' 27.0"