02442-2530 BSO   1AB

 
 
02H 44M 14.51S -25 29' 43.9" P.A. 193 SEP 12.5 MAG 7.04,8.50 SP G3V+G0 DIST. 41.32 PC (134.79 L.Y.)
 
 
Coord 2000
02442-2530
Discov num
BSO   1
Comp
AB
Coord arcsec 2000
02 44 14.51 -25 29 43.9
Date first
1835
Date last
2013
Obs
29
Pa first
184
Pa last
193
P.A. Now (θ)
193°
Sep first
15.0
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
7.04
Mag sec
8.50
delta mag (ΔM)
1.46
Spectral class
G3V+G0 (yellow/yellow)
Pri motion ra
+165
Sec motion ra
+146
Pri motion dec
+052
Sec motion dec
+061
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.122 (< 0.3, Physical double)
This double is physical.
 
 
02442-2530 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 168012 02442-2530 FIN 379 Aa,Ab 1963 2015 25 156 0.1 7.50 8.10 0.60 Y
Show 168012 02442-2530 BSO 1 AB 1835 2013 29 193 12.5 7.04 8.50 1.46 Y <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Fornax
SAO
168012
HIP
12780
Tycho2
6434-01880-1
HD
17134
CD
CD-26 996
Distance
41.32
Distance ly
134.79
last precise pa
192.6
last precise sep
12.5
 
 
ORBITAL ELEMENTS
 
 
Period (P)6255.9y Periastron (T)694y Semi-major axis (a)11.5a
Eccentricity (e)0.63 Inclination (i)41.2° Longitude of periastron (ω)175°
Node (Ω)226.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 12.443 192.1
2001 12.450 192.1
2002 12.456 192.2
2003 12.463 192.2
2004 12.470 192.2
2005 12.477 192.3
2006 12.484 192.3
2007 12.491 192.3
2008 12.498 192.3
2009 12.505 192.4
2010 12.511 192.4
2011 12.518 192.4
2012 12.525 192.5
2013 12.532 192.5
2014 12.539 192.5
2015 12.546 192.5
2016 12.552 192.6
2017 12.559 192.6
2018 12.566 192.6
2019 12.573 192.7
2020 12.580 192.7
2021 12.586 192.7
2022 12.593 192.7
2023 12.600 192.8
2024 12.607 192.8
2025 12.614 192.8
2026 12.620 192.9
2027 12.627 192.9
2028 12.634 192.9
2029 12.641 192.9
2030 12.648 193.0

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