14375+0217 CHR 42 Aa,Ab
14h 37m 28.49s +02° 16' 38.7" P.A. 149.00 sep 0.2 mag 6.60,8.50 Sp F8V dist. 74.79 pc (243.96 l.y.)
| Coord 2000 |
14375+0217 |
|
Discov num |
CHR 42 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
14 37 28.49 +02 16 38.7 |
|
| Date first |
1984 |
|
Date last |
2021 |
|
Obs |
38 |
|
| Pa first |
342 |
|
Pa last |
149 |
|
P.A. Now (θ) |
151.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.2 |
|
Sep. Now (ρ) |
0.218" |
|
| Mag pri |
6.60 |
|
Mag sec |
8.50 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
-041 |
|
Sec motion ra |
|
|
| Pri motion dec |
-062 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
14375+0217 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
120569 |
14 37 28 +02 16 39 |
CHR 42 Aa,Ab |
2021 |
38 |
149 |
0.2 |
6.60 |
8.50 |
1.90 |
Y |
<=== |
| Show |
HD 128563 |
120569 |
14 37 28 +02 16 39 |
A 2227 AB |
2021 |
26 |
122 |
1.4 |
6.60 |
10.60 |
4.00 |
|
|
| Show |
|
|
14 37 28 +02 16 39 |
A 2227 Ba,Bb |
2021 |
6 |
249 |
0.1 |
11.10 |
11.70 |
0.60 |
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Virgo |
|
SAO |
120569 |
|
HIP |
71510 |
|
Tycho2 |
0325-00990-1 |
|
| Gaia DR2 |
3655232162074696192 |
|
HD |
128563 |
|
ADS |
9323 |
|
BD |
BD+02 2844 |
|
| Distance |
74.79 |
|
Distance ly |
243.96 |
|
ORBITAL ELEMENTS
| Period (P) | 21.54y | ± 0.1 |
Periastron (T) | 1994.64y | ± 0.2 |
Semi-major axis (a) | 0.143a | ± 0.007 |
| Eccentricity (e) | 0.844 | ± 0.016 |
Inclination (i) | 53.7° | ± 3 |
Longitude of periastron (ω) | 41.9° | ± 5.6 |
| Node (Ω) | 312.4° | ± 3.6 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
148.3 |
0.203 |
| 2001 |
150.8 |
0.214 |
| 2002 |
153.0 |
0.222 |
| 2003 |
155.2 |
0.225 |
| 2004 |
157.3 |
0.226 |
| 2005 |
159.5 |
0.224 |
| 2006 |
161.7 |
0.219 |
| 2007 |
164.0 |
0.211 |
| 2008 |
166.6 |
0.201 |
| 2009 |
169.4 |
0.189 |
| 2010 |
172.7 |
0.173 |
| 2011 |
176.8 |
0.155 |
| 2012 |
182.0 |
0.133 |
| 2013 |
189.5 |
0.109 |
| 2014 |
201.7 |
0.081 |
| 2015 |
227.4 |
0.052 |
| 2016 |
303.7 |
0.027 |
| 2017 |
120.1 |
0.065 |
| 2018 |
133.7 |
0.117 |
| 2019 |
139.7 |
0.152 |
| 2020 |
143.7 |
0.177 |
| 2021 |
146.8 |
0.195 |
| 2022 |
149.5 |
0.209 |
| 2023 |
151.8 |
0.218 |
| 2024 |
154.1 |
0.224 |
| 2025 |
156.2 |
0.226 |
| 2026 |
158.3 |
0.225 |
| 2027 |
160.5 |
0.222 |
| 2028 |
162.7 |
0.216 |
| 2029 |
165.2 |
0.207 |
| 2030 |
167.8 |
0.196 |
|
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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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