03356+3141 BU 533 AB (HD 22195)
03h 35m 37.81s +31° 40' 48.7" P.A. 221.00 sep 1.0 mag 7.55,7.74 Sp F4V dist. 85.98 pc (280.47 l.y.)
| Coord 2000 |
03356+3141 |
|
Discov num |
BU 533 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 35 37.81 +31 40 48.7 |
|
| Date first |
1878 |
|
Date last |
2018 |
|
Obs |
149 |
|
| Pa first |
246 |
|
Pa last |
220.8 |
|
P.A. Now (θ) |
220.8° |
|
| Sep first |
0.4 |
|
Sep last |
1.016 |
|
Sep. Now (ρ) |
1.016" |
|
| Mag pri |
7.55 |
|
Mag sec |
7.74 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
+064 |
|
Sec motion ra |
+067 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+003 |
|
| Notes |
O
(Orbital solution) |
|
rPM=0.063 (< 0.3, Physical double)
This double is physical.
03356+3141 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 22195 |
56569 |
03 35 38 +31 40 49 |
BU 533 AB |
2018 |
149 |
221 |
1.0 |
7.55 |
7.74 |
0.19 |
Y |
<=== |
| Show |
|
56569 |
03 35 38 +31 40 49 |
HJL 1023 AC |
2015 |
13 |
294 |
225.0 |
7.55 |
9.15 |
1.60 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 22195 |
|
Constellation |
Perseus |
|
SAO |
56569 |
|
HIP |
16757 |
|
| Tycho2 |
2342-00247-1 |
|
Gaia DR2 |
121299707620318080 |
|
HD |
22195 |
|
GC |
4280 |
|
| ADS |
2628 |
|
BD |
BD+31 619 |
|
Distance |
85.98 |
|
Distance ly |
280.47 |
|
ORBITAL ELEMENTS
| Period (P) | 463y | |
Periastron (T) | 1776.6y | |
Semi-major axis (a) | 0.992a | |
| Eccentricity (e) | 0.11 | |
Inclination (i) | 94.8° | |
Longitude of periastron (ω) | 15.3° | |
| Node (Ω) | 42.7° | |
Notes | | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
221.8 |
1.083 |
| 2001 |
221.8 |
1.081 |
| 2002 |
221.7 |
1.079 |
| 2003 |
221.7 |
1.077 |
| 2004 |
221.6 |
1.074 |
| 2005 |
221.6 |
1.071 |
| 2006 |
221.5 |
1.069 |
| 2007 |
221.5 |
1.066 |
| 2008 |
221.4 |
1.063 |
| 2009 |
221.3 |
1.059 |
| 2010 |
221.3 |
1.056 |
| 2011 |
221.2 |
1.053 |
| 2012 |
221.2 |
1.049 |
| 2013 |
221.1 |
1.045 |
| 2014 |
221.0 |
1.041 |
| 2015 |
221.0 |
1.037 |
| 2016 |
220.9 |
1.033 |
| 2017 |
220.9 |
1.029 |
| 2018 |
220.8 |
1.024 |
| 2019 |
220.7 |
1.020 |
| 2020 |
220.7 |
1.015 |
| 2021 |
220.6 |
1.010 |
| 2022 |
220.6 |
1.005 |
| 2023 |
220.5 |
1.000 |
| 2024 |
220.4 |
0.995 |
| 2025 |
220.4 |
0.989 |
| 2026 |
220.3 |
0.984 |
| 2027 |
220.2 |
0.978 |
| 2028 |
220.2 |
0.972 |
| 2029 |
220.1 |
0.966 |
| 2030 |
220.0 |
0.960 |
|
|
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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