00467-0426 LDS 9100 AB

 
 
00h 46m 40.53s -04 25' 37.4" P.A. 39.00 sep 66.8 mag 9.05,15.10 Sp G5+M4V
 
 
Coord 2000 00467-0426 Discov num LDS9100 Comp AB Coord arcsec 2000 00 46 40.53 -04 25 37.4
Date first 1960 Date last 2015 Obs 7
Pa first 44 Pa last 39.4 P.A. Now (θ) 39.4°
Sep first 64.0 Sep last 66.81 Sep. Now (ρ) 66.81"
Mag pri 9.05 Mag sec 15.10 delta mag (ΔM) 6.05 Spectral class G5+M4V (yellow/red)
Pri motion ra +029 Sec motion ra +021
Pri motion dec -270 Sec motion dec -261
Notes N (See Notes)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
00467-0426 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 00 46 41 -04 25 37 LSC 10 Aa,Ab 2022 8 316 0.1 9.30 10.60 1.30
Show 00 46 41 -04 25 37 LDS 9100 AB 2015 7 39 66.8 9.05 15.10 6.05 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus Gaia DR2 2525804540894629504
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier00467-0426 LTT 440
coord_arcsec_2000004640.52-042535.1
Period (P)1282d (3.51y)± 356 Periastron (T)48947d (1992.888y)± 538 Semi-major axis (a)21.2m± 3.6
Eccentricity (e)0.11± 0.24 Inclination (i)86°± 6 Longitude of periastron (ω)102°± 67
Node (Ω)129°± 90 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 300.0 0.008
2001-01-01 313.0 0.016
2002-01-01 124.3 0.015
2003-01-01 133.7 0.013
2004-01-01 308.5 0.020
2005-01-01 8.5 0.002
2006-01-01 128.6 0.022
2007-01-01 298.8 0.007
2008-01-01 312.7 0.016
2009-01-01 124.0 0.015
2010-01-01 133.3 0.013
2011-01-01 308.4 0.020
2012-01-01 353.8 0.002
2013-01-01 128.5 0.022
2014-01-01 297.3 0.006
2015-01-01 312.5 0.017
2016-01-01 123.7 0.014
2017-01-01 133.0 0.014
2018-01-01 308.2 0.020
2019-01-01 344.0 0.003
2020-01-01 128.3 0.022
2021-01-01 295.4 0.005
2022-01-01 312.3 0.017
2023-01-01 123.3 0.013
2024-01-01 132.7 0.015
2025-01-01 308.0 0.019
2026-01-01 337.3 0.003
2027-01-01 128.2 0.021
2028-01-01 292.9 0.005
2029-01-01 312.1 0.017
2030-01-01 123.0 0.013


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



 
 


wds00467-0426r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic