00568+6022 BU 1099 AB
00h 56m 46.94s +60° 21' 46.3" P.A. 9.00 sep 0.2 mag 6.10,6.57 Sp B7V+B7V dist. 165.02 pc (538.3 l.y.)
| Coord 2000 |
00568+6022 |
|
Discov num |
BU 1099 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 56 46.94 +60 21 46.3 |
|
| Date first |
1889 |
|
Date last |
2010 |
|
Obs |
140 |
|
| Pa first |
270 |
|
Pa last |
8.9 |
|
P.A. Now (θ) |
57.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.248 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
6.10 |
|
Mag sec |
6.57 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
B7V+B7V (blue-white/blue-white) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00568+6022 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
11484 |
00 56 47 +60 21 46 |
BAG 10 Aa,Ab |
2011 |
10 |
292 |
0.0 |
6.57 |
7.24 |
0.67 |
Y |
|
| Show |
|
11484 |
00 56 47 +60 21 46 |
BU 1099 AB |
2010 |
140 |
9 |
0.2 |
6.10 |
6.57 |
0.47 |
Y |
<=== |
| Show |
|
11484 |
00 56 47 +60 21 46 |
BU 1353 AB,C |
2003 |
5 |
157 |
41.3 |
4.99 |
13.50 |
8.51 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cassiopeia |
|
SAO |
11484 |
|
HIP |
4440 |
|
Tycho2 |
4017-01864-1 |
|
| Gaia DR2 |
426512590631144704 |
|
HD |
5408 |
|
HR |
266 |
|
GC |
1120 |
|
| ADS |
784 |
|
BD |
BD+59 146 |
|
Distance |
165.02 |
|
Distance ly |
538.3 |
|
ORBITAL ELEMENTS
| Period (P) | 84.1y | ± 0.84 |
Periastron (T) | 1953.59y | ± 0.83 |
Semi-major axis (a) | 0.237a | ± 0.006 |
| Eccentricity (e) | 0.225 | ± 0.01 |
Inclination (i) | 53.6° | ± 0.9 |
Longitude of periastron (ω) | 343.5° | ± 0.9 |
| Node (Ω) | 171.5° | ± 0.9 |
Notes | n | |
Reference | Tok2021b | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
348.9 |
0.288 |
| 2001 |
350.6 |
0.287 |
| 2002 |
352.3 |
0.286 |
| 2003 |
354.0 |
0.284 |
| 2004 |
355.7 |
0.282 |
| 2005 |
357.5 |
0.279 |
| 2006 |
359.3 |
0.275 |
| 2007 |
1.2 |
0.271 |
| 2008 |
3.1 |
0.266 |
| 2009 |
5.1 |
0.260 |
| 2010 |
7.2 |
0.254 |
| 2011 |
9.4 |
0.247 |
| 2012 |
11.8 |
0.239 |
| 2013 |
14.3 |
0.231 |
| 2014 |
17.0 |
0.223 |
| 2015 |
19.9 |
0.214 |
| 2016 |
23.1 |
0.205 |
| 2017 |
26.6 |
0.195 |
| 2018 |
30.4 |
0.185 |
| 2019 |
34.7 |
0.176 |
| 2020 |
39.5 |
0.166 |
| 2021 |
44.8 |
0.157 |
| 2022 |
50.8 |
0.148 |
| 2023 |
57.5 |
0.140 |
| 2024 |
64.9 |
0.134 |
| 2025 |
73.0 |
0.129 |
| 2026 |
81.6 |
0.125 |
| 2027 |
90.6 |
0.124 |
| 2028 |
99.5 |
0.125 |
| 2029 |
108.3 |
0.128 |
| 2030 |
116.6 |
0.132 |
|
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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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