00427-3828 HDO 182 (Lam1 Scl)

 
 
00H 42M 42.89S -38 27' 48.6" P.A. 138.6 SEP 0.5 MAG 6.60,7.01 SP A0V DIST. 145.14 PC (473.45 L.Y.)
 
 
Coord 2000
00427-3828
Discov num
HDO 182
Comp
Coord arcsec 2000
00 42 42.89 -38 27 48.6
Date first
1901
Date last
2010
Obs
37
Pa first
322
Pa last
23
P.A. Now (θ)
138.6°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.5"
Mag pri
6.60
Mag sec
7.01
delta mag (ΔM)
0.41
Spectral class
A0V (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-010
Sec motion dec
-010
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Lam1 Scl
Constellation
Sculptor
SAO
192690
HIP
3356
Tycho2
7532-01096-1
HD
4065
HR
185
GC
849
CD
CD-39 175
CP
CP-39 46
Bayer
Lambda 1 Sculptoris
Bayer name
Lam1 Scl
Distance
145.14
Distance ly
473.45
last precise pa
23.3
last precise sep
0.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)840y Periastron (T)1989.9y± 0 Semi-major axis (a)1.175a
Eccentricity (e)0.88 Inclination (i)16.88° Longitude of periastron (ω)0.66°
Node (Ω)13.06° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.251 103.0
2001 0.266 107.0
2002 0.282 110.6
2003 0.298 113.8
2004 0.313 116.6
2005 0.329 119.3
2006 0.344 121.6
2007 0.359 123.8
2008 0.374 125.8
2009 0.389 127.7
2010 0.404 129.4
2011 0.419 131.0
2012 0.433 132.4
2013 0.447 133.8
2014 0.462 135.1
2015 0.475 136.3
2016 0.489 137.5
2017 0.503 138.6
2018 0.516 139.6
2019 0.530 140.6
2020 0.543 141.6
2021 0.556 142.4
2022 0.569 143.3
2023 0.581 144.1
2024 0.594 144.9
2025 0.606 145.6
2026 0.619 146.4
2027 0.631 147.0
2028 0.643 147.7
2029 0.655 148.3
2030 0.667 149.0

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