10120-2836 B   194

 
 
10H 12M 02.88S -28 36' 21.4" P.A. 21.5 SEP 0.22 MAG 6.78,7.41 SP A1V DIST. 152.67 PC (498.01 L.Y.)
 
 
Coord 2000
10120-2836
Discov num
B   194
Comp
Coord arcsec 2000
10 12 02.88 -28 36 21.4
Date first
1926
Date last
2014
Obs
36
Pa first
11
Pa last
200
P.A. Now (θ)
21.5°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.22"
Mag pri
6.78
Mag sec
7.41
delta mag (ΔM)
0.63
Spectral class
A1V (white)
Pri motion ra
-040
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Antlia
SAO
178526
HIP
49967
Tycho2
6630-00998-1
HD
88522
HR
4003
ADS
7681
CD
CD-27 7266
CP
CP-27 4055
Distance
152.67
Distance ly
498.01
last precise pa
199.9
last precise sep
0.196
 
 
ORBITAL ELEMENTS
 
 
Period (P)91.89y± 0.85 Periastron (T)2003.58y± 0.22 Semi-major axis (a)0.226a± 0.003
Eccentricity (e)0.676± 0.012 Inclination (i)76°± 0.7 Longitude of periastron (ω)59.7°± 1.1
Node (Ω)198.3°± 0.5 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.101 194.3
2001 0.092 198.1
2002 0.077 203.1
2003 0.055 211.4
2004 0.029 233.7
2005 0.021 313.8
2006 0.046 353.2
2007 0.073 3.9
2008 0.098 8.9
2009 0.120 11.9
2010 0.139 14.0
2011 0.156 15.7
2012 0.171 17.0
2013 0.184 18.1
2014 0.196 19.1
2015 0.206 20.0
2016 0.216 20.8
2017 0.224 21.5
2018 0.231 22.2
2019 0.237 22.9
2020 0.243 23.5
2021 0.247 24.1
2022 0.252 24.7
2023 0.255 25.2
2024 0.258 25.8
2025 0.260 26.3
2026 0.262 26.8
2027 0.263 27.3
2028 0.264 27.9
2029 0.265 28.4
2030 0.265 28.9

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic