04008+0505 A  1937

 
 
04H 00M 47.29S +05 04' 58.2" P.A. 96.2 SEP 0.04 MAG 9.38,9.48 SP A3 DIST. 163.93 PC (534.74 L.Y.)
 
 
Coord 2000
04008+0505
Discov num
A  1937
Comp
Coord arcsec 2000
04 00 47.29 +05 04 58.2
Date first
1908
Date last
2015
Obs
37
Pa first
39
Pa last
59
P.A. Now (θ)
96.2°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.04"
Mag pri
9.38
Mag sec
9.48
delta mag (ΔM)
0.1
Spectral class
A3 (white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
HIP
18734
Tycho2
0079-01169-1
HD
25248
ADS
2928
BD
BD+04 619
Distance
163.93
Distance ly
534.74
last precise pa
59
last precise sep
0.056
 
 
ORBITAL ELEMENTS
 
 
Period (P)42.93y± 1.13 Periastron (T)2014.94y± 0.15 Semi-major axis (a)0.1a± 0.0012
Eccentricity (e)0.55± 0.019 Inclination (i)47.1°± 3.1 Longitude of periastron (ω)14.7°± 8
Node (Ω)25.9°± 4.4 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.131 231.1
2001 0.126 234.0
2002 0.119 237.1
2003 0.113 240.7
2004 0.105 244.7
2005 0.097 249.4
2006 0.089 254.9
2007 0.080 261.5
2008 0.072 269.8
2009 0.063 280.3
2010 0.056 293.8
2011 0.051 310.7
2012 0.047 330.8
2013 0.047 352.5
2014 0.046 14.4
2015 0.044 37.5
2016 0.040 64.7
2017 0.039 96.2
2018 0.044 124.7
2019 0.054 145.0
2020 0.065 158.5
2021 0.077 168.0
2022 0.088 175.0
2023 0.098 180.5
2024 0.108 185.0
2025 0.116 188.8
2026 0.124 192.1
2027 0.130 195.1
2028 0.136 197.8
2029 0.141 200.3
2030 0.145 202.6

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