10282-2548 FIN 308AB

 
 
10H 28M 10.54S -25 48' 26.4" P.A. 159 SEP 0.06 MAG 9.14,9.68 SP G3V DIST. 89.13 PC (290.74 L.Y.)
 
 
Coord 2000
10282-2548
Discov num
FIN 308
Comp
AB
Coord arcsec 2000
10 28 10.54 -25 48 26.4
Date first
1936
Date last
2015
Obs
19
Pa first
68
Pa last
143
P.A. Now (θ)
159°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.06"
Mag pri
9.14
Mag sec
9.68
delta mag (ΔM)
0.54
Spectral class
G3V (yellow)
Pri motion ra
-062
Sec motion ra
Pri motion dec
+028
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
10282-2548 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 178853 10282-2548 FIN 308 AB 1936 2015 19 159 0.1 9.14 9.68 0.54 Y <===
Show 178853 10282-2548 B 199 AB,C 1927 2015 16 172 1.2 8.56 12.41 3.85
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hydra
SAO
178853
HIP
51255
Tycho2
6624-00602-1
HD
90737
ADS
7787
CD
CD-25 8055
CP
CP-25 4584
Distance
89.13
Distance ly
290.74
last precise pa
142.8
last precise sep
0.089
 
 
ORBITAL ELEMENTS
 
 
Period (P)32.76y± 2.67 Periastron (T)2018.13y± 1.28 Semi-major axis (a)0.144a± 0.033
Eccentricity (e)0.739± 0.135 Inclination (i)48.6°± 16.2 Longitude of periastron (ω)270.6°± 2.7
Node (Ω)155.4°± 4.5 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.165 239.8
2001 0.165 243.5
2002 0.166 247.2
2003 0.165 250.9
2004 0.165 254.7
2005 0.163 258.4
2006 0.162 262.3
2007 0.159 266.2
2008 0.156 270.3
2009 0.153 274.5
2010 0.148 279.0
2011 0.143 283.8
2012 0.136 289.0
2013 0.128 294.8
2014 0.118 301.5
2015 0.105 309.6
2016 0.087 320.6
2017 0.061 339.0
2018 0.026 45.6
2019 0.053 144.4
2020 0.081 167.4
2021 0.100 179.6
2022 0.114 188.5
2023 0.125 195.6
2024 0.133 201.7
2025 0.140 207.1
2026 0.146 212.1
2027 0.151 216.7
2028 0.154 221.1
2029 0.158 225.2
2030 0.160 229.2

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