01443+5732 BU 870 AB (V773 Cas)
01h 44m 17.96s +57° 32' 11.8" P.A. 332.00 sep 0.6 mag 6.29,8.68 Sp A3V dist. 84.96 pc (277.14 l.y.)
| Coord 2000 |
01443+5732 |
|
Discov num |
BU 870 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 44 17.96 +57 32 11.8 |
|
| Date first |
1880 |
|
Date last |
2010 |
|
Obs |
85 |
|
| Pa first |
69 |
|
Pa last |
331.7 |
|
P.A. Now (θ) |
331.7° |
|
| Sep first |
1.0 |
|
Sep last |
0.569 |
|
Sep. Now (ρ) |
0.569" |
|
| Mag pri |
6.29 |
|
Mag sec |
8.68 |
|
delta mag (ΔM) |
2.39 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
+046 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-024 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01443+5732 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V773 Cas |
22566 |
01 44 18 +57 32 12 |
BU 870 AB |
2010 |
85 |
332 |
0.6 |
6.29 |
8.68 |
2.39 |
Y |
<=== |
| Show |
|
22566 |
01 44 18 +57 32 12 |
GUI 2 AC |
2015 |
5 |
57 |
18.3 |
6.29 |
16.00 |
9.71 |
|
|
| Show |
|
22566 |
01 44 18 +57 32 12 |
ARN 55 AD |
2003 |
12 |
45 |
160.5 |
6.29 |
9.92 |
3.63 |
|
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V773 Cas |
|
Constellation |
Cassiopeia |
|
SAO |
22566 |
|
HIP |
8115 |
|
| Tycho2 |
3679-02209-1 |
|
Gaia DR2 |
505874648421202688 |
|
HD |
10543 |
|
HR |
499 |
|
| GC |
2109 |
|
ADS |
1359 |
|
BD |
BD+56 330 |
|
Distance |
84.96 |
|
| Distance ly |
277.14 |
|
ORBITAL ELEMENTS
| Period (P) | 184.9y | ± 2.7 |
Periastron (T) | 2021.8y | ± 2.1 |
Semi-major axis (a) | 0.911a | ± 0.065 |
| Eccentricity (e) | 0.794 | ± 0.05 |
Inclination (i) | 133.3° | ± 2.6 |
Longitude of periastron (ω) | 269.5° | ± 8.5 |
| Node (Ω) | 125.4° | ± 4.3 |
Notes | n | |
Reference | Zas2017 | |
| Equinox | | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
346.4 |
0.726 |
| 2001 |
345.1 |
0.711 |
| 2002 |
343.8 |
0.695 |
| 2003 |
342.3 |
0.679 |
| 2004 |
340.8 |
0.662 |
| 2005 |
339.3 |
0.645 |
| 2006 |
337.6 |
0.626 |
| 2007 |
335.8 |
0.607 |
| 2008 |
333.9 |
0.586 |
| 2009 |
331.9 |
0.565 |
| 2010 |
329.7 |
0.542 |
| 2011 |
327.3 |
0.518 |
| 2012 |
324.7 |
0.492 |
| 2013 |
321.7 |
0.464 |
| 2014 |
318.4 |
0.435 |
| 2015 |
314.5 |
0.402 |
| 2016 |
310.0 |
0.367 |
| 2017 |
304.4 |
0.328 |
| 2018 |
297.2 |
0.284 |
| 2019 |
287.2 |
0.237 |
| 2020 |
271.9 |
0.187 |
| 2021 |
246.3 |
0.143 |
| 2022 |
208.0 |
0.130 |
| 2023 |
173.7 |
0.158 |
| 2024 |
152.7 |
0.206 |
| 2025 |
139.9 |
0.255 |
| 2026 |
131.2 |
0.302 |
| 2027 |
124.7 |
0.344 |
| 2028 |
119.6 |
0.382 |
| 2029 |
115.4 |
0.416 |
| 2030 |
111.8 |
0.448 |
|
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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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