04184+2135 MCA 14 Aa,Ab
04h 18m 23.14s +21° 34' 45.8" P.A. 175.00 sep 0.2 mag 5.60,8.10 Sp F0V dist. 54.05 pc (176.31 l.y.)
| Coord 2000 |
04184+2135 |
|
Discov num |
MCA 14 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 18 23.14 +21 34 45.8 |
|
| Date first |
1975 |
|
Date last |
2018 |
|
Obs |
83 |
|
| Pa first |
106 |
|
Pa last |
174.5 |
|
P.A. Now (θ) |
268.7° (calc) |
|
| Sep first |
0.1 |
|
Sep last |
0.156 |
|
Sep. Now (ρ) |
0.077" (calc) |
|
| Mag pri |
5.60 |
|
Mag sec |
8.10 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
F0V (yellow-white) |
|
| Pri motion ra |
+094 |
|
Sec motion ra |
|
|
| Pri motion dec |
-037 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
04184+2135 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
76541 |
04 18 23 +21 34 46 |
MCA 14 Aa,Ab |
2018 |
83 |
175 |
0.2 |
5.60 |
8.10 |
2.50 |
Y |
<=== |
| Show |
|
76541 |
04 18 23 +21 34 46 |
LMP 52 Aa,Ac |
2000 |
2 |
133 |
0.3 |
5.60 |
|
|
|
|
| Show |
|
76541 |
04 18 23 +21 34 46 |
LMP 52 Aa,Ad |
2000 |
1 |
270 |
0.3 |
5.60 |
|
|
|
|
| Show |
51 Tau |
76541 |
04 18 23 +21 34 46 |
BUP 52 AB |
2015 |
12 |
61 |
158.7 |
5.60 |
10.35 |
4.75 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
SAO |
76541 |
|
HIP |
20087 |
|
Tycho2 |
1276-01622-1 |
|
| Gaia DR2 |
49510566218944768 |
|
HD |
27176 |
|
HR |
1331 |
|
GC |
5189 |
|
| BD |
BD+21 618 |
|
Flamsteed |
51 Tauri |
|
Flamsteed name |
51 Tau |
|
FK5 |
2313 |
|
| Distance |
54.05 |
|
Distance ly |
176.31 |
|
ORBITAL ELEMENTS
| Period (P) | 11.363y | ± 0.0071 |
Periastron (T) | 1955.1y | ± 0.031 |
Semi-major axis (a) | 135.39m | ± 0.16 |
| Eccentricity (e) | 0.1537 | ± 0.0016 |
Inclination (i) | 123.88° | ± 0.25 |
Longitude of periastron (ω) | 342.61° | ± 0.8 |
| Node (Ω) | 352.25° | ± 0.24 |
Notes | n | |
Reference | JAA2022 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
18.4 |
0.097 |
| 2001 |
351.1 |
0.115 |
| 2002 |
324.9 |
0.101 |
| 2003 |
283.4 |
0.078 |
| 2004 |
233.1 |
0.088 |
| 2005 |
203.0 |
0.121 |
| 2006 |
185.5 |
0.148 |
| 2007 |
171.8 |
0.155 |
| 2008 |
157.4 |
0.139 |
| 2009 |
135.7 |
0.104 |
| 2010 |
90.7 |
0.072 |
| 2011 |
32.4 |
0.085 |
| 2012 |
360.0 |
0.112 |
| 2013 |
335.3 |
0.110 |
| 2014 |
301.1 |
0.085 |
| 2015 |
249.6 |
0.080 |
| 2016 |
211.8 |
0.109 |
| 2017 |
191.1 |
0.140 |
| 2018 |
176.7 |
0.155 |
| 2019 |
163.0 |
0.147 |
| 2020 |
145.1 |
0.118 |
| 2021 |
111.1 |
0.080 |
| 2022 |
50.7 |
0.075 |
| 2023 |
9.8 |
0.105 |
| 2024 |
344.5 |
0.115 |
| 2025 |
315.7 |
0.094 |
| 2026 |
268.7 |
0.077 |
| 2027 |
222.8 |
0.097 |
| 2028 |
197.5 |
0.130 |
| 2029 |
181.6 |
0.152 |
| 2030 |
168.1 |
0.153 |
| 2031 |
152.6 |
0.131 |
| 2032 |
126.7 |
0.093 |
| 2033 |
73.2 |
0.070 |
| 2034 |
21.5 |
0.094 |
| 2035 |
353.2 |
0.115 |
| 2036 |
327.6 |
0.104 |
| 2037 |
288.0 |
0.080 |
| 2038 |
236.8 |
0.086 |
| 2039 |
205.0 |
0.118 |
| 2040 |
186.8 |
0.146 |
| 2041 |
173.0 |
0.155 |
| 2042 |
158.8 |
0.141 |
| 2043 |
138.2 |
0.108 |
| 2044 |
96.2 |
0.073 |
| 2045 |
36.5 |
0.082 |
| 2046 |
2.3 |
0.111 |
| 2047 |
337.6 |
0.111 |
| 2048 |
304.9 |
0.087 |
| 2049 |
254.1 |
0.079 |
| 2050 |
214.2 |
0.106 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
