00247-2653 LEI   1BC

 
 
00H 24M 44.24S -27 08' 26.5" P.A. 56.5 SEP 0.29 MAG 18.69,19.07
 
 
Coord 2000
00247-2653
Discov num
LEI   1
Comp
BC
Coord arcsec 2000
00 24 44.24 -27 08 26.5
Date first
1993
Date last
2015
Obs
63
Pa first
330
Pa last
31
P.A. Now (θ)
56.5°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.29"
Mag pri
18.69
Mag sec
19.07
delta mag (ΔM)
0.38
Spectral class
Pri motion ra
-055
Sec motion ra
-055
Pri motion dec
+612
Sec motion dec
+612
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00247-2653 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 00247-2653 HEN 5 Aa,Ab 1998 1998 0 0.1 15.50 18.00 2.50
Show 00247-2653 LEI 1 AB 1993 2015 62 48 0.9 15.40 18.69 3.29
Show 00247-2653 LEI 1 AC 1993 2010 3 23 1.5 15.40 19.07 3.67
Show 00247-2653 LEI 1 BC 1993 2015 63 56 0.3 18.69 19.07 0.38 Y <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sculptor
last precise pa
30.5
last precise sep
0.402
 
 
ORBITAL ELEMENTS
 
 
Period (P)17.24y± 0.01 Periastron (T)54145d (2007.12y)± 1.1 Semi-major axis (a)0.4578a± 0.0011
Eccentricity (e)0.0227± 0.35 Inclination (i)61.82°± 0.06 Longitude of periastron (ω)217.01°± 0.06
Node (Ω)14.65°± 0.05 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.273 62.7
2001 0.220 98.7
2002 0.250 138.6
2003 0.331 163.8
2004 0.406 179.1
2005 0.446 190.3
2006 0.440 200.7
2007 0.388 212.6
2008 0.305 229.9
2009 0.228 260.3
2010 0.224 304.0
2011 0.297 336.1
2012 0.384 354.0
2013 0.446 5.9
2014 0.466 15.7
2015 0.441 25.6
2016 0.377 37.8
2017 0.293 56.5
2018 0.226 88.7
2019 0.236 130.2
2020 0.310 159.0
2021 0.390 176.0
2022 0.440 187.8
2023 0.446 198.1
2024 0.404 209.4
2025 0.326 224.9
2026 0.242 251.3
2027 0.216 293.7
2028 0.276 330.0
2029 0.365 350.5
2030 0.435 3.3

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