02132+4030 HEL 5 Ba,Bb
02h 12m 54.96s +40° 40' 07.0" P.A. 56.00 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 |
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Date last |
2015 |
|
Obs |
4 |
|
Pa first |
73 |
|
Pa last |
55.6 |
|
P.A. Now (θ) |
55.6° |
|
Sep first |
0.4 |
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Sep last |
0.423 |
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Sep. Now (ρ) |
0.423" |
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Mag pri |
5.60 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
G5V (yellow) |
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Pri motion ra |
+059 |
|
Sec motion ra |
|
|
Pri motion dec |
-109 |
|
Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
02132+4030 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
37868 |
02 13 13 +40 30 28 |
MET 14 Aa,Ab |
2002 |
1 |
17 |
0.7 |
5.68 |
9.88 |
4.20 |
|
|
Show |
V451 And |
37868 |
02 13 13 +40 30 28 |
SHY 136 AB |
2014 |
17 |
340 |
615.3 |
7.44 |
7.28 |
0.16 |
|
|
Show |
|
37865 |
02 12 55 +40 40 07 |
HEL 5 Ba,Bb |
2015 |
4 |
56 |
0.4 |
5.60 |
9.40 |
3.80 |
Y |
<=== |
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V450 And |
|
Constellation |
Andromeda |
|
SAO |
37865 |
|
HIP |
10321 |
|
Tycho2 |
2834-00015-1 |
|
Gaia DR2 |
333106054183616000 |
|
HD |
13507 |
|
BD |
BD+39 496 |
|
Distance |
26.85 |
|
Distance ly |
87.58 |
|
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 |
Notes | n | |
Reference | Hel2016 | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
330.8 |
0.235 |
2001 |
299.4 |
0.207 |
2002 |
261.8 |
0.197 |
2003 |
223.8 |
0.205 |
2004 |
190.9 |
0.227 |
2005 |
164.9 |
0.258 |
2006 |
144.9 |
0.294 |
2007 |
129.4 |
0.330 |
2008 |
116.7 |
0.362 |
2009 |
106.0 |
0.389 |
2010 |
96.6 |
0.411 |
2011 |
87.9 |
0.426 |
2012 |
79.8 |
0.435 |
2013 |
71.9 |
0.438 |
2014 |
63.9 |
0.433 |
2015 |
55.6 |
0.422 |
2016 |
46.8 |
0.404 |
2017 |
36.9 |
0.379 |
2018 |
25.5 |
0.348 |
2019 |
11.5 |
0.311 |
2020 |
353.6 |
0.272 |
2021 |
329.7 |
0.234 |
2022 |
298.0 |
0.207 |
2023 |
260.3 |
0.197 |
2024 |
222.4 |
0.205 |
2025 |
189.7 |
0.228 |
2026 |
164.0 |
0.260 |
2027 |
144.3 |
0.296 |
2028 |
128.8 |
0.331 |
2029 |
116.3 |
0.363 |
2030 |
105.6 |
0.390 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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