03544-4021 FIN 344 AB
03h 54m 23.18s -40° 21' 25.3" P.A. 251.00 sep 0.0 mag 6.50,6.50 Sp K0III+A3V dist. 153.14 pc (499.54 l.y.)
| Coord 2000 |
03544-4021 |
|
Discov num |
FIN 344 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 54 23.18 -40 21 25.3 |
|
| Date first |
1960 |
|
Date last |
2021 |
|
Obs |
20 |
|
| Pa first |
119 |
|
Pa last |
251.2 |
|
P.A. Now (θ) |
24° |
|
| Sep first |
0.1 |
|
Sep last |
0.029 |
|
Sep. Now (ρ) |
0.035" |
|
| Mag pri |
6.50 |
|
Mag sec |
6.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
K0III+A3V (yellow-orange/white) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03544-4021 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
216546 |
03 54 23 -40 21 25 |
FIN 344 AB |
2021 |
20 |
251 |
0.0 |
6.50 |
6.50 |
0.00 |
Y |
<=== |
| Show |
NSV1414 |
216546 |
03 54 23 -40 21 25 |
HDO 188 AB,C |
2015 |
6 |
167 |
23.6 |
5.77 |
12.70 |
6.93 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV1414 |
|
Constellation |
Eridanus |
|
SAO |
216546 |
|
HIP |
18262 |
|
| Tycho2 |
7573-01158-1 |
|
Gaia DR2 |
4843381538200043904 |
|
HD |
24744 |
|
HR |
1219 |
|
| GC |
4724 |
|
CD |
CD-40 1128 |
|
CP |
CP-40 378 |
|
FK5 |
2280 |
|
| Distance |
153.14 |
|
Distance ly |
499.54 |
|
ORBITAL ELEMENTS
| Period (P) | 14.03y | ± 0.04 |
Periastron (T) | 2008.05y | ± 0.04 |
Semi-major axis (a) | 0.0614a | ± 0.0005 |
| Eccentricity (e) | 0.579 | ± 0.008 |
Inclination (i) | 32.4° | ± 1.5 |
Longitude of periastron (ω) | 49.7° | ± 2.3 |
| Node (Ω) | 247.4° | ± 2 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
103.6 |
0.089 |
| 2001 |
112.0 |
0.089 |
| 2002 |
120.8 |
0.085 |
| 2003 |
130.5 |
0.080 |
| 2004 |
142.2 |
0.072 |
| 2005 |
157.1 |
0.062 |
| 2006 |
178.4 |
0.051 |
| 2007 |
212.9 |
0.038 |
| 2008 |
286.4 |
0.024 |
| 2009 |
25.7 |
0.035 |
| 2010 |
58.2 |
0.057 |
| 2011 |
74.3 |
0.072 |
| 2012 |
85.5 |
0.082 |
| 2013 |
94.8 |
0.087 |
| 2014 |
103.4 |
0.089 |
| 2015 |
111.7 |
0.089 |
| 2016 |
120.5 |
0.085 |
| 2017 |
130.2 |
0.080 |
| 2018 |
141.8 |
0.072 |
| 2019 |
156.6 |
0.062 |
| 2020 |
177.6 |
0.051 |
| 2021 |
211.5 |
0.038 |
| 2022 |
283.0 |
0.024 |
| 2023 |
24.0 |
0.035 |
| 2024 |
57.6 |
0.056 |
| 2025 |
73.9 |
0.071 |
| 2026 |
85.2 |
0.081 |
| 2027 |
94.6 |
0.087 |
| 2028 |
103.1 |
0.089 |
| 2029 |
111.5 |
0.089 |
| 2030 |
120.2 |
0.085 |
|
|
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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