14025-2440 B   263AB

 
 
14h 02m 27.50s -24 39' 52.6" P.A. 140.9 sep 0.21 mag 8.42,10.59 Sp G3V dist. 62.42 pc (203.61 l.y.)
 
 
Coord 2000
14025-2440
Discov num
B   263
Comp
AB
Coord arcsec 2000
14 02 27.50 -24 39 52.6
Date first
1926
Date last
2018
Obs
18
Pa first
276
Pa last
132
P.A. Now (θ)
140.9°
Sep first
0.5
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
8.42
Mag sec
10.59
delta mag (ΔM)
2.17
Spectral class
G3V (yellow)
Pri motion ra
-088
Sec motion ra
Pri motion dec
-128
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
14025-2440 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 14025-2440 DSG 16 Aa,Ab 2017 2017 2 294 0.0 9.10 9.20 0.10
Show 14025-2440 B 263 AB 1926 2018 18 141 0.2 8.42 10.59 2.17 Y <===
Show 14025-2440 TOK 571 AC 1980 1999 3 326 999.9 8.14 16.18 8.04
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.3
Precise sep
0.21
Constellation
Hydra
SAO
182184
HIP
68587
Tycho2
6733-00448-1
Gaia DR2
20830923392
HD
122445
CD
CD-2411253
CP
CP-24 5211
Distance
62.42
Distance ly
203.61
last precise pa
132.3
last precise sep
0.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)161.43y± 28.68 Periastron (T)2014.56y± 1.92 Semi-major axis (a)0.48a± 0.072
Eccentricity (e)0.499± 0.019 Inclination (i)38.8°± 9 Longitude of periastron (ω)81.7°± 10
Node (Ω)20.4°± 9.9 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.347 17.4
2001 0.336 20.4
2002 0.325 23.6
2003 0.314 27.0
2004 0.302 30.6
2005 0.290 34.6
2006 0.277 38.9
2007 0.264 43.7
2008 0.251 48.9
2009 0.238 54.7
2010 0.226 61.2
2011 0.214 68.4
2012 0.204 76.4
2013 0.196 85.1
2014 0.190 94.4
2015 0.188 104.1
2016 0.189 113.9
2017 0.193 123.5
2018 0.200 132.5
2019 0.209 140.9
2020 0.220 148.4
2021 0.233 155.2
2022 0.246 161.3
2023 0.260 166.7
2024 0.274 171.6
2025 0.288 176.0
2026 0.302 180.0
2027 0.316 183.6
2028 0.329 186.9
2029 0.342 190.0
2030 0.354 192.9

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






wds14025-2440a.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
14025-2440 B 263 AB 2014 10 97 0.2 8.42 10.59 G3V O 140227.50-243952.6
14025-2440 B 263 AB 2015 11 107 0.2 8.42 10.59 G3V O 140227.50-243952.6
14025-2440 B 263 AB 2017 15 127 0.2 8.42 10.59 G3V O 140227.50-243952.6

If you need more information about this double, apply for a data request form to the WDS.