03413+4554 BU 1181 CF
03h 41m 15.89s +45° 53' 45.0" P.A. 88.00 sep 0.1 mag 8.20,9.90 Sp F8 dist. 50.43 pc (164.5 l.y.)
Coord 2000 |
03413+4554 |
|
Discov num |
BU 1181 |
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Comp |
CF |
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Coord arcsec 2000 |
03 41 15.89 +45 53 45.0 |
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Date first |
1890 |
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Date last |
2012 |
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Obs |
29 |
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Pa first |
91 |
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Pa last |
88.1 |
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P.A. Now (θ) |
90° |
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Sep first |
0.4 |
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Sep last |
0.119 |
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Sep. Now (ρ) |
0.125" |
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Mag pri |
8.20 |
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Mag sec |
9.90 |
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delta mag (ΔM) |
1.7 |
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Spectral class |
F8 (yellow-white) |
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Pri motion ra |
-053 |
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Sec motion ra |
-051 |
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Pri motion dec |
+005 |
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Sec motion dec |
+005 |
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Notes |
N
O
W
(See Notes, Orbital solution, ) |
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rPM=0.038 (< 0.3, Physical double)
This double is physical.
03413+4554 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
39041 |
03 41 16 +45 53 45 |
BU 1181 CF |
2012 |
29 |
88 |
0.1 |
8.20 |
9.90 |
1.70 |
Y |
<=== |
Show |
|
39041 |
03 41 16 +45 53 45 |
RAO 48 CG |
2016 |
7 |
269 |
4.8 |
8.03 |
14.00 |
5.97 |
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Perseus |
|
SAO |
39041 |
|
HIP |
17217 |
|
Tycho2 |
3313-02379-1 |
|
HD |
22743 |
|
ADS |
2680 |
|
BD |
BD+45 798 |
|
Distance |
50.43 |
|
Distance ly |
164.5 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 03413+4554 BU 1181 AB |
coord_arcsec_2000 | 034115.89+455345.0 |
Period (P) | 46.2y | ± 1.1 |
Periastron (T) | 1974.8y | ± 1.7 |
Semi-major axis (a) | 0.27a | ± 0.13 |
Eccentricity (e) | 0.79 | ± 0.76 |
Inclination (i) | 90.3° | ± 3.6 |
Longitude of periastron (ω) | 50.1° | ± 9 |
Node (Ω) | 269.9° | ± 4.5 |
Notes | n | |
Reference | RAO2015 | |
Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
89.5 |
0.288 |
2001 |
89.5 |
0.275 |
2002 |
89.5 |
0.262 |
2003 |
89.4 |
0.248 |
2004 |
89.4 |
0.234 |
2005 |
89.4 |
0.218 |
2006 |
89.3 |
0.201 |
2007 |
89.3 |
0.184 |
2008 |
89.2 |
0.165 |
2009 |
89.1 |
0.146 |
2010 |
89.0 |
0.126 |
2011 |
88.9 |
0.106 |
2012 |
88.7 |
0.084 |
2013 |
88.3 |
0.062 |
2014 |
87.6 |
0.039 |
2015 |
84.7 |
0.016 |
2016 |
279.5 |
0.008 |
2017 |
272.0 |
0.031 |
2018 |
270.9 |
0.053 |
2019 |
270.4 |
0.071 |
2020 |
270.1 |
0.077 |
2021 |
269.5 |
0.036 |
2022 |
90.3 |
0.055 |
2023 |
90.0 |
0.125 |
2024 |
89.9 |
0.175 |
2025 |
89.9 |
0.214 |
2026 |
89.9 |
0.245 |
2027 |
89.8 |
0.270 |
2028 |
89.8 |
0.290 |
2029 |
89.8 |
0.306 |
2030 |
89.8 |
0.320 |
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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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