03454-2752 BU 1003

 
 
03H 45M 24.12S -27 51' 44.9" P.A. 253.1 SEP 1.39 MAG 8.39,11.12 SP K5V+M3V DIST. 21.57 PC (70.36 L.Y.)
 
 
Coord 2000
03454-2752
Discov num
BU 1003
Comp
Coord arcsec 2000
03 45 24.12 -27 51 44.9
Date first
1881
Date last
2008
Obs
21
Pa first
21
Pa last
232
P.A. Now (θ)
253.1°
Sep first
2.7
Sep last
1.2
Sep. Now (ρ)
1.39"
Mag pri
8.39
Mag sec
11.12
delta mag (ΔM)
2.73
Spectral class
K5V+M3V (yellow-orange/red)
Pri motion ra
+296
Sec motion ra
+261
Pri motion dec
+146
Sec motion dec
+117
Notes
N O (See Notes, Orbital solution)
rPM=0.138 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Fornax
SAO
168807
HIP
17544
Tycho2
6454-00169-1
HD
23588
ADS
2756
GL
Gl 154.1A
CD
CD-28 1276
Distance
21.57
Distance ly
70.36
last precise pa
232.1
last precise sep
1.182
 
 
ORBITAL ELEMENTS
 
 
Period (P)286.34y± 4.83 Periastron (T)1997.42y± 3.95 Semi-major axis (a)2.145a± 0.092
Eccentricity (e)0.479± 0.107 Inclination (i)34.7°± 4 Longitude of periastron (ω)101.7°± 9.8
Node (Ω)81.7°± 3.6 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.955 198.0
2001 0.971 202.6
2002 0.989 206.9
2003 1.010 211.1
2004 1.033 215.1
2005 1.057 218.9
2006 1.083 222.6
2007 1.109 226.0
2008 1.137 229.4
2009 1.165 232.5
2010 1.194 235.5
2011 1.222 238.4
2012 1.251 241.1
2013 1.280 243.7
2014 1.309 246.2
2015 1.337 248.6
2016 1.365 250.9
2017 1.392 253.1
2018 1.419 255.2
2019 1.446 257.2
2020 1.472 259.2
2021 1.498 261.1
2022 1.523 262.9
2023 1.547 264.7
2024 1.571 266.4
2025 1.595 268.0
2026 1.618 269.7
2027 1.640 271.2
2028 1.662 272.8
2029 1.683 274.3
2030 1.704 275.7

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