01450+5707 BU 453 AB (HD 236857)
01h 45m 00.71s +57° 07' 00.3" P.A. 111.00 sep 0.8 mag 10.04,10.45 Sp G5 dist. 101.73 pc (331.84 l.y.)
| Coord 2000 |
01450+5707 |
|
Discov num |
BU 453 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 45 00.71 +57 07 00.3 |
|
| Date first |
1877 |
|
Date last |
2016 |
|
Obs |
48 |
|
| Pa first |
219 |
|
Pa last |
110.7 |
|
P.A. Now (θ) |
110.7° |
|
| Sep first |
1.0 |
|
Sep last |
0.78 |
|
Sep. Now (ρ) |
0.78" |
|
| Mag pri |
10.04 |
|
Mag sec |
10.45 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+003 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01450+5707 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 236857 |
22585 |
01 45 01 +57 07 00 |
BU 453 AB |
2016 |
48 |
111 |
0.8 |
10.04 |
10.45 |
0.41 |
Y |
<=== |
| Show |
|
22585 |
01 45 01 +57 07 00 |
FMR 22 AC |
2015 |
4 |
139 |
8.8 |
10.04 |
16.40 |
6.36 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 236857 |
|
Constellation |
Cassiopeia |
|
SAO |
22585 |
|
HIP |
8166 |
|
| Tycho2 |
3679-01332-1 |
|
Gaia DR2 |
505846615172217600 |
|
HD |
236857 |
|
ADS |
1371 |
|
| BD |
BD+56 338 |
|
Distance |
101.73 |
|
Distance ly |
331.84 |
|
ORBITAL ELEMENTS
| Period (P) | 663.7y | |
Periastron (T) | 1953.71y | |
Semi-major axis (a) | 1.204a | |
| Eccentricity (e) | 0.689 | |
Inclination (i) | 32.5° | |
Longitude of periastron (ω) | 336.5° | |
| Node (Ω) | 14.5° | |
Notes | n | |
Reference | Sca2017a | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
95.1 |
0.657 |
| 2001 |
96.2 |
0.665 |
| 2002 |
97.3 |
0.673 |
| 2003 |
98.3 |
0.682 |
| 2004 |
99.3 |
0.690 |
| 2005 |
100.3 |
0.698 |
| 2006 |
101.3 |
0.707 |
| 2007 |
102.3 |
0.715 |
| 2008 |
103.2 |
0.723 |
| 2009 |
104.1 |
0.732 |
| 2010 |
105.0 |
0.740 |
| 2011 |
105.9 |
0.748 |
| 2012 |
106.7 |
0.757 |
| 2013 |
107.5 |
0.765 |
| 2014 |
108.3 |
0.774 |
| 2015 |
109.1 |
0.782 |
| 2016 |
109.9 |
0.790 |
| 2017 |
110.7 |
0.799 |
| 2018 |
111.4 |
0.807 |
| 2019 |
112.2 |
0.815 |
| 2020 |
112.9 |
0.824 |
| 2021 |
113.6 |
0.832 |
| 2022 |
114.3 |
0.840 |
| 2023 |
114.9 |
0.849 |
| 2024 |
115.6 |
0.857 |
| 2025 |
116.2 |
0.865 |
| 2026 |
116.9 |
0.873 |
| 2027 |
117.5 |
0.882 |
| 2028 |
118.1 |
0.890 |
| 2029 |
118.7 |
0.898 |
| 2030 |
119.3 |
0.906 |
| 2031 |
119.9 |
0.914 |
| 2032 |
120.5 |
0.922 |
| 2033 |
121.0 |
0.930 |
| 2034 |
121.6 |
0.938 |
| 2035 |
122.1 |
0.946 |
| 2036 |
122.6 |
0.954 |
| 2037 |
123.2 |
0.962 |
| 2038 |
123.7 |
0.970 |
| 2039 |
124.2 |
0.978 |
| 2040 |
124.7 |
0.986 |
| 2041 |
125.2 |
0.994 |
| 2042 |
125.7 |
1.002 |
| 2043 |
126.1 |
1.010 |
| 2044 |
126.6 |
1.017 |
| 2045 |
127.1 |
1.025 |
| 2046 |
127.5 |
1.033 |
| 2047 |
128.0 |
1.040 |
| 2048 |
128.4 |
1.048 |
| 2049 |
128.8 |
1.056 |
| 2050 |
129.3 |
1.063 |
|
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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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