04007+2023 TOK 363 Aa,Ab
04h 00m 39.54s +20° 22' 49.7" P.A. 209.00 sep 0.1 mag 8.73,13.90 Sp G4V dist. 62.15 pc (202.73 l.y.)
| Coord 2000 |
04007+2023 |
|
Discov num |
TOK 363 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 00 39.54 +20 22 49.7 |
|
| Date first |
2013 |
|
Date last |
2021 |
|
Obs |
13 |
|
| Pa first |
94 |
|
Pa last |
208.6 |
|
P.A. Now (θ) |
208.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.133" |
|
| Mag pri |
8.73 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
5.17 |
|
Spectral class |
G4V (yellow) |
|
| Pri motion ra |
+147 |
|
Sec motion ra |
|
|
| Pri motion dec |
-060 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
04007+2023 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
04 00 40 +20 22 50 |
TOK 363 Aa,Ab |
2021 |
13 |
209 |
0.1 |
8.73 |
13.90 |
5.17 |
Y |
<=== |
| Show |
|
|
04 00 40 +20 22 50 |
RAO 50 AB |
2015 |
2 |
308 |
6.2 |
8.73 |
15.00 |
6.27 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
HIP |
18719 |
|
Tycho2 |
1258-00341-1 |
|
Gaia DR2 |
50652649563649536 |
|
| BD |
BD+19 641 |
|
Distance |
62.15 |
|
Distance ly |
202.73 |
|
ORBITAL ELEMENTS
| Period (P) | 16.761y | ± 0.115 |
Periastron (T) | 2010.259y | ± 0.191 |
Semi-major axis (a) | 0.1141a | ± 0.003 |
| Eccentricity (e) | 0.311 | ± 0.014 |
Inclination (i) | 31.5° | ± 4.4 |
Longitude of periastron (ω) | 146.5° | ± 4.2 |
| Node (Ω) | 198.2° | ± 3 |
Notes | n | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
146.2 |
0.130 |
| 2001 |
158.7 |
0.138 |
| 2002 |
170.1 |
0.144 |
| 2003 |
180.9 |
0.145 |
| 2004 |
191.8 |
0.143 |
| 2005 |
203.4 |
0.135 |
| 2006 |
217.0 |
0.123 |
| 2007 |
234.2 |
0.106 |
| 2008 |
258.8 |
0.087 |
| 2009 |
294.8 |
0.074 |
| 2010 |
338.1 |
0.073 |
| 2011 |
16.2 |
0.081 |
| 2012 |
47.7 |
0.088 |
| 2013 |
75.1 |
0.094 |
| 2014 |
98.9 |
0.102 |
| 2015 |
118.8 |
0.112 |
| 2016 |
135.4 |
0.122 |
| 2017 |
149.3 |
0.132 |
| 2018 |
161.5 |
0.140 |
| 2019 |
172.7 |
0.144 |
| 2020 |
183.5 |
0.145 |
| 2021 |
194.4 |
0.141 |
| 2022 |
206.4 |
0.133 |
| 2023 |
220.7 |
0.119 |
| 2024 |
239.3 |
0.102 |
| 2025 |
266.2 |
0.083 |
| 2026 |
305.1 |
0.072 |
| 2027 |
348.0 |
0.075 |
| 2028 |
24.2 |
0.083 |
| 2029 |
54.6 |
0.089 |
| 2030 |
81.2 |
0.096 |
|
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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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