14575-2125 H N 28 Ba,Bb
14h 57m 26.54s -21° 24' 41.4" P.A. 210.00 sep 0.2 mag 8.18,9.80 Sp K5V dist. 5.93 pc (19.34 l.y.)
| Coord 2000 |
14575-2125 |
|
Discov num |
H N 28 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
14 57 26.54 -21 24 41.4 |
|
| Date first |
1987 |
|
Date last |
2021 |
|
Obs |
39 |
|
| Pa first |
235 |
|
Pa last |
210.3 |
|
P.A. Now (θ) |
210.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.192 |
|
Sep. Now (ρ) |
0.192" |
|
| Mag pri |
8.18 |
|
Mag sec |
9.80 |
|
delta mag (ΔM) |
1.62 |
|
Spectral class |
K5V (yellow-orange) |
|
| Pri motion ra |
+099 |
|
Sec motion ra |
|
|
| Pri motion dec |
-167 |
|
Sec motion dec |
|
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
This double is physical.
14575-2125 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
KX Lib |
183040 |
14 57 28 -21 24 56 |
H N 28 AB |
2020 |
161 |
307 |
26.2 |
5.88 |
8.18 |
2.30 |
Y |
|
| Show |
|
183040 |
14 57 28 -21 24 56 |
H N 28 AC |
2016 |
7 |
324 |
230.5 |
5.88 |
14.00 |
8.12 |
|
|
| Show |
|
183040 |
14 57 28 -21 24 56 |
H N 28 AD |
2016 |
6 |
342 |
294.4 |
5.88 |
13.85 |
7.97 |
|
|
| Show |
|
183040 |
14 57 28 -21 24 56 |
H N 28 AE |
2016 |
7 |
319 |
181.1 |
5.88 |
13.12 |
7.24 |
|
|
| Show |
|
183040 |
14 57 28 -21 24 56 |
H N 28 AF |
2016 |
10 |
327 |
400.1 |
5.88 |
12.22 |
6.34 |
|
|
| Show |
|
183040 |
14 57 28 -21 24 56 |
BUG 4 AG |
2010 |
2 |
316 |
258.1 |
5.88 |
18.00 |
12.12 |
|
|
| Show |
|
183039 |
14 57 27 -21 24 41 |
H N 28 Ba,Bb |
2021 |
39 |
210 |
0.2 |
8.18 |
9.80 |
1.62 |
Y |
<=== |
| Show |
|
183039 |
14 57 27 -21 24 41 |
BUG 4 BG |
2010 |
2 |
317 |
234.4 |
8.18 |
18.00 |
9.82 |
|
|
Octuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Libra |
|
SAO |
183039 |
|
HIP |
73182 |
|
Tycho2 |
6180-01230-1 |
|
| HD |
131976 |
|
ADS |
9446 |
|
GL |
Gl 570B |
|
BD |
BD-20 4123 |
|
| Distance |
5.93 |
|
Distance ly |
19.34 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 14575-2125 |
| coord_arcsec_2000 | 145726.54-212441.4 |
| Period (P) | 0.84564y | ± 0.00021 |
Periastron (T) | 58305.1d (2018.51y) | ± 1.1 |
Semi-major axis (a) | 144.2m | ± 2.3 |
| Eccentricity (e) | 0.76 | ± 0.011 |
Inclination (i) | 107.62° | ± 0.58 |
Longitude of periastron (ω) | 310.4° | ± 1.3 |
| Node (Ω) | 16.03° | ± 0.64 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
301.2 |
0.041 |
| 2001 |
231.0 |
0.108 |
| 2002 |
216.8 |
0.169 |
| 2003 |
208.9 |
0.193 |
| 2004 |
200.7 |
0.158 |
| 2005 |
8.2 |
0.046 |
| 2006 |
247.7 |
0.071 |
| 2007 |
222.0 |
0.144 |
| 2008 |
212.4 |
0.187 |
| 2009 |
205.0 |
0.185 |
| 2010 |
191.5 |
0.088 |
| 2011 |
294.5 |
0.042 |
| 2012 |
230.0 |
0.111 |
| 2013 |
216.4 |
0.171 |
| 2014 |
208.6 |
0.193 |
| 2015 |
200.2 |
0.154 |
| 2016 |
3.0 |
0.048 |
| 2017 |
245.5 |
0.074 |
| 2018 |
221.5 |
0.146 |
| 2019 |
212.1 |
0.188 |
| 2020 |
204.7 |
0.183 |
| 2021 |
189.8 |
0.079 |
| 2022 |
288.0 |
0.043 |
| 2023 |
229.1 |
0.115 |
| 2024 |
216.0 |
0.173 |
| 2025 |
208.3 |
0.193 |
| 2026 |
199.7 |
0.150 |
| 2027 |
357.9 |
0.048 |
| 2028 |
243.5 |
0.078 |
| 2029 |
220.9 |
0.149 |
| 2030 |
211.7 |
0.189 |
|
|
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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