04475+4324 A 1544 AB
04h 47m 29.06s +43° 24' 02.0" P.A. 197.00 sep 0.2 mag 9.20,9.70 Sp F0V+F5IV dist. 128.04 pc (417.67 l.y.)
| Coord 2000 |
04475+4324 |
|
Discov num |
A 1544 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 47 29.06 +43 24 02.0 |
|
| Date first |
1907 |
|
Date last |
2007 |
|
Obs |
19 |
|
| Pa first |
256 |
|
Pa last |
196.6 |
|
P.A. Now (θ) |
147.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.174 |
|
Sep. Now (ρ) |
0.157" |
|
| Mag pri |
9.20 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
F0V+F5IV (yellow-white/yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-025 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
04475+4324 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
39750 |
04 47 29 +43 24 02 |
A 1544 AB |
2007 |
19 |
197 |
0.2 |
9.20 |
9.70 |
0.50 |
Y |
<=== |
| Show |
HD 30196 |
39750 |
04 47 29 +43 24 02 |
A 1544 AB,C |
2016 |
18 |
20 |
1.4 |
8.78 |
10.06 |
1.28 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
39750 |
|
HIP |
22255 |
|
Tycho2 |
2905-01252-1 |
|
| Gaia DR2 |
204550119581671936 |
|
HD |
30196 |
|
ADS |
3438 |
|
BD |
BD+43 1057 |
|
| Distance |
128.04 |
|
Distance ly |
417.67 |
|
ORBITAL ELEMENTS
| Period (P) | 79.1y | |
Periastron (T) | 1961.3y | |
Semi-major axis (a) | 0.164a | |
| Eccentricity (e) | 0.424 | |
Inclination (i) | 138.9° | |
Longitude of periastron (ω) | 78.3° | |
| Node (Ω) | 107.7° | |
Notes | | |
Reference | Doc2010f | |
| Equinox | 2000 | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
215.3 |
0.179 |
| 2001 |
212.7 |
0.179 |
| 2002 |
210.0 |
0.178 |
| 2003 |
207.4 |
0.177 |
| 2004 |
204.7 |
0.176 |
| 2005 |
202.0 |
0.175 |
| 2006 |
199.2 |
0.174 |
| 2007 |
196.4 |
0.173 |
| 2008 |
193.6 |
0.172 |
| 2009 |
190.8 |
0.171 |
| 2010 |
187.9 |
0.170 |
| 2011 |
185.0 |
0.169 |
| 2012 |
182.1 |
0.168 |
| 2013 |
179.1 |
0.168 |
| 2014 |
176.1 |
0.167 |
| 2015 |
173.1 |
0.166 |
| 2016 |
170.1 |
0.165 |
| 2017 |
167.0 |
0.164 |
| 2018 |
163.9 |
0.163 |
| 2019 |
160.7 |
0.162 |
| 2020 |
157.5 |
0.161 |
| 2021 |
154.2 |
0.160 |
| 2022 |
150.9 |
0.158 |
| 2023 |
147.6 |
0.157 |
| 2024 |
144.1 |
0.155 |
| 2025 |
140.6 |
0.153 |
| 2026 |
137.0 |
0.151 |
| 2027 |
133.2 |
0.148 |
| 2028 |
129.3 |
0.145 |
| 2029 |
125.3 |
0.142 |
| 2030 |
121.0 |
0.138 |
|
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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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