23413+3234 BU 858 AB (HD 222529)
23h 41m 17.56s +32° 33' 39.9" P.A. 220.00 sep 0.8 mag 7.81,8.78 Sp A1V dist. 208.33 pc (679.57 l.y.)
Coord 2000 |
23413+3234 |
|
Discov num |
BU 858 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 41 17.56 +32 33 39.9 |
|
Date first |
1881 |
|
Date last |
2018 |
|
Obs |
98 |
|
Pa first |
277 |
|
Pa last |
219.8 |
|
P.A. Now (θ) |
219.8° |
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Sep first |
0.5 |
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Sep last |
0.833 |
|
Sep. Now (ρ) |
0.833" |
|
Mag pri |
7.81 |
|
Mag sec |
8.78 |
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delta mag (ΔM) |
0.97 |
|
Spectral class |
A1V (white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-002 |
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Sec motion dec |
-002 |
|
Notes |
O
(Orbital solution) |
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This double is physical.
23413+3234 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 222529 |
73436 |
23 41 18 +32 33 40 |
BU 858 AB |
2018 |
98 |
220 |
0.8 |
7.81 |
8.78 |
0.97 |
Y |
<=== |
Show |
|
73436 |
23 41 18 +32 33 40 |
BU 389 AC |
2015 |
17 |
52 |
23.1 |
7.81 |
12.90 |
5.09 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 222529 |
|
Constellation |
Pegasus |
|
SAO |
73436 |
|
HIP |
116863 |
|
Tycho2 |
2770-00648-1 |
|
Gaia DR2 |
2871929048971116160 |
|
HD |
222529 |
|
GC |
32902 |
|
ADS |
16928 |
|
BD |
BD+31 4952 |
|
Distance |
208.33 |
|
Distance ly |
679.57 |
|
ORBITAL ELEMENTS
Period (P) | 779.3501y | ± 368.4974 |
Periastron (T) | 2074.4713y | ± 94.1333 |
Semi-major axis (a) | 1.53983a | ± 0.75516 |
Eccentricity (e) | 0.68494 | ± 0.30506 |
Inclination (i) | 104.899° | ± 15.014 |
Longitude of periastron (ω) | 250.413° | ± 32.786 |
Node (Ω) | 29.779° | ± 12.489 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
225.6 |
0.844 |
2001 |
225.3 |
0.845 |
2002 |
225.0 |
0.845 |
2003 |
224.7 |
0.845 |
2004 |
224.4 |
0.845 |
2005 |
224.1 |
0.845 |
2006 |
223.9 |
0.845 |
2007 |
223.6 |
0.845 |
2008 |
223.3 |
0.845 |
2009 |
223.0 |
0.844 |
2010 |
222.7 |
0.844 |
2011 |
222.4 |
0.843 |
2012 |
222.1 |
0.842 |
2013 |
221.8 |
0.841 |
2014 |
221.5 |
0.840 |
2015 |
221.3 |
0.839 |
2016 |
221.0 |
0.838 |
2017 |
220.7 |
0.836 |
2018 |
220.4 |
0.834 |
2019 |
220.1 |
0.832 |
2020 |
219.8 |
0.830 |
2021 |
219.5 |
0.828 |
2022 |
219.2 |
0.826 |
2023 |
218.9 |
0.823 |
2024 |
218.6 |
0.820 |
2025 |
218.3 |
0.817 |
2026 |
218.0 |
0.814 |
2027 |
217.7 |
0.811 |
2028 |
217.3 |
0.807 |
2029 |
217.0 |
0.803 |
2030 |
216.7 |
0.799 |
|
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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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