04321+0525 BNV 3 Aa,Ab
04h 32m 04.81s +05° 24' 36.1" P.A. 215.00 sep 0.4 mag 5.30,16.20 dist. 43.5 pc (141.9 l.y.)
| Coord 2000 |
04321+0525 |
|
Discov num |
BNV 3 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 32 04.81 +05 24 36.1 |
|
| Date first |
2019 |
|
Date last |
2022 |
|
Obs |
7 |
|
| Pa first |
217 |
|
Pa last |
215.4 |
|
P.A. Now (θ) |
215.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.373 |
|
Sep. Now (ρ) |
0.373" |
|
| Mag pri |
5.30 |
|
Mag sec |
16.20 |
|
delta mag (ΔM) |
10.9 |
|
Spectral class |
|
|
| Pri motion ra |
+112 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
O
W
K
(Orbital solution, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
SAO |
111879 |
|
HIP |
21152 |
|
Tycho2 |
0090-00033-1 |
|
| HD |
28736 |
|
HR |
1436 |
|
BD |
BD+05 674 |
|
Distance |
43.5 |
|
| Distance ly |
141.9 |
|
ORBITAL ELEMENTS
| Period (P) | 63y | ± 43 |
Periastron (T) | 63360d (2032.35y) | ± 5307 |
Semi-major axis (a) | 404m | ± 167 |
| Eccentricity (e) | 0.52 | ± 0.35 |
Inclination (i) | 104.8° | ± 15 |
Longitude of periastron (ω) | 157° | ± 179 |
| Node (Ω) | 49.4° | ± 170 |
Notes | | |
Reference | Kuz2022 | |
| Equinox | | |
Last observation | 2021 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
56.1 |
0.561 |
| 2001 |
55.5 |
0.570 |
| 2002 |
54.9 |
0.577 |
| 2003 |
54.3 |
0.583 |
| 2004 |
53.7 |
0.587 |
| 2005 |
53.1 |
0.589 |
| 2006 |
52.5 |
0.590 |
| 2007 |
51.9 |
0.589 |
| 2008 |
51.3 |
0.586 |
| 2009 |
50.7 |
0.582 |
| 2010 |
50.1 |
0.575 |
| 2011 |
49.5 |
0.567 |
| 2012 |
48.9 |
0.557 |
| 2013 |
48.2 |
0.544 |
| 2014 |
47.5 |
0.530 |
| 2015 |
46.7 |
0.513 |
| 2016 |
45.9 |
0.494 |
| 2017 |
45.1 |
0.473 |
| 2018 |
44.1 |
0.449 |
| 2019 |
43.0 |
0.423 |
| 2020 |
41.8 |
0.394 |
| 2021 |
40.4 |
0.362 |
| 2022 |
38.7 |
0.327 |
| 2023 |
36.5 |
0.289 |
| 2024 |
33.7 |
0.248 |
| 2025 |
29.7 |
0.205 |
| 2026 |
23.5 |
0.159 |
| 2027 |
12.2 |
0.113 |
| 2028 |
347.4 |
0.074 |
| 2029 |
299.5 |
0.064 |
| 2030 |
263.2 |
0.093 |
| 2031 |
246.8 |
0.134 |
| 2032 |
237.9 |
0.170 |
| 2033 |
231.8 |
0.193 |
| 2034 |
226.7 |
0.202 |
| 2035 |
221.6 |
0.198 |
| 2036 |
216.1 |
0.183 |
| 2037 |
209.2 |
0.162 |
| 2038 |
200.1 |
0.138 |
| 2039 |
187.4 |
0.116 |
| 2040 |
169.4 |
0.099 |
| 2041 |
146.8 |
0.093 |
| 2042 |
124.8 |
0.101 |
| 2043 |
107.9 |
0.120 |
| 2044 |
96.2 |
0.145 |
| 2045 |
88.1 |
0.173 |
| 2046 |
82.3 |
0.203 |
| 2047 |
78.0 |
0.232 |
| 2048 |
74.7 |
0.261 |
| 2049 |
72.0 |
0.290 |
| 2050 |
69.8 |
0.317 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
