02132+4030 HEL   5Ba,Bb

 
 
02H 12M 54.96S +40 40' 07.0" P.A. 56 SEP 0.4 MAG 5.60,9.40 SP G5V DIST. 26.85 PC (87.58 L.Y.)
 
 
Coord 2000
02132+4030
Discov num
HEL   5
Comp
Ba,Bb
Coord arcsec 2000
02 12 54.96 +40 40 07.0
Date first
2012
Date last
2015
Obs
4
Pa first
73
Pa last
56
P.A. Now (θ)
56°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
5.60
Mag sec
9.40
delta mag (ΔM)
3.8
Spectral class
G5V (yellow)
Pri motion ra
+059
Sec motion ra
Pri motion dec
-109
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02132+4030 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 37868 02132+4030 MET 14 Aa,Ab 2002 2002 1 17 0.7 5.68 9.88 4.20
Show V451 And 37868 02132+4030 SHY 136 AB 1893 2003 14 340 615.3 7.44 7.28 0.16
Show 37865 02132+4030 HEL 5 Ba,Bb 2012 2015 4 56 0.4 5.60 9.40 3.80 Y <===
Quadruple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V450 And
Constellation
Andromeda
SAO
37865
HIP
10321
Tycho2
2834-00015-1
HD
13507
BD
BD+39 496
Distance
26.85
Distance ly
87.58
last precise pa
55.6
last precise sep
0.423
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.96y± 0.063 Periastron (T)52343.7d (2002.188y)± 9.8 Semi-major axis (a)0.318a± 0.0048
Eccentricity (e)0.3781± 0.0036 Inclination (i)160.4°± 1.6 Longitude of periastron (ω)350.22°± 0.62
Node (Ω)245.27°± 0.53 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.235 330.8
2001 0.207 299.4
2002 0.197 261.8
2003 0.205 223.8
2004 0.227 190.9
2005 0.258 164.9
2006 0.294 144.9
2007 0.330 129.4
2008 0.362 116.7
2009 0.389 106.0
2010 0.411 96.6
2011 0.426 87.9
2012 0.435 79.8
2013 0.438 71.9
2014 0.433 63.9
2015 0.422 55.6
2016 0.404 46.8
2017 0.379 36.9
2018 0.348 25.5
2019 0.311 11.5
2020 0.272 353.6
2021 0.234 329.7
2022 0.207 298.0
2023 0.197 260.3
2024 0.205 222.4
2025 0.228 189.7
2026 0.260 164.0
2027 0.296 144.3
2028 0.331 128.8
2029 0.363 116.3
2030 0.390 105.6

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