02572+0153 A  2413

 
 
02H 57M 14.90S +01 53' 15.3" P.A. 165.7 SEP 0.6 MAG 8.28,8.62 SP G0V DIST. 46.47 PC (151.59 L.Y.)
 
 
Coord 2000
02572+0153
Discov num
A  2413
Comp
Coord arcsec 2000
02 57 14.90 +01 53 15.3
Date first
1912
Date last
2015
Obs
88
Pa first
182
Pa last
162
P.A. Now (θ)
165.7°
Sep first
0.5
Sep last
0.7
Sep. Now (ρ)
0.6"
Mag pri
8.28
Mag sec
8.62
delta mag (ΔM)
0.34
Spectral class
G0V (yellow)
Pri motion ra
+103
Sec motion ra
Pri motion dec
-107
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
13773
Tycho2
0048-01066-1
HD
18368
ADS
2236
BD
BD+01 515
Distance
46.47
Distance ly
151.59
last precise pa
162
last precise sep
0.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)124.4y Periastron (T)1930.27y Semi-major axis (a)0.632a
Eccentricity (e)0.449 Inclination (i)70.1° Longitude of periastron (ω)101.3°
Node (Ω)185.1° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.430 143.0
2001 0.441 144.8
2002 0.453 146.6
2003 0.464 148.3
2004 0.475 149.9
2005 0.486 151.4
2006 0.496 152.9
2007 0.507 154.3
2008 0.518 155.6
2009 0.528 156.9
2010 0.538 158.1
2011 0.548 159.3
2012 0.557 160.5
2013 0.566 161.6
2014 0.575 162.7
2015 0.583 163.7
2016 0.591 164.7
2017 0.598 165.7
2018 0.604 166.7
2019 0.610 167.7
2020 0.616 168.6
2021 0.621 169.5
2022 0.625 170.4
2023 0.628 171.3
2024 0.630 172.2
2025 0.632 173.1
2026 0.633 174.0
2027 0.633 174.8
2028 0.631 175.7
2029 0.629 176.6
2030 0.626 177.5

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