23304+3050 BU 1266 AB
23h 30m 26.29s +30° 49' 54.6" P.A. 193.00 sep 0.2 mag 8.35,8.14 Sp F7V dist. 68.07 pc (222.04 l.y.)
Coord 2000 |
23304+3050 |
|
Discov num |
BU 1266 |
|
Comp |
AB |
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Coord arcsec 2000 |
23 30 26.29 +30 49 54.6 |
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Date first |
1891 |
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Date last |
2011 |
|
Obs |
149 |
|
Pa first |
74 |
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Pa last |
192.6 |
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P.A. Now (θ) |
115° |
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Sep first |
0.2 |
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Sep last |
0.161 |
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Sep. Now (ρ) |
0.217" |
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Mag pri |
8.35 |
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Mag sec |
8.14 |
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delta mag (ΔM) |
0.21 |
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Spectral class |
F7V (yellow-white) |
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Pri motion ra |
+079 |
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Sec motion ra |
|
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Pri motion dec |
-029 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
23304+3050 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
73306 |
23 30 26 +30 49 55 |
BU 1266 AB |
2011 |
149 |
193 |
0.2 |
8.35 |
8.14 |
0.21 |
Y |
<=== |
Show |
|
73306 |
23 30 26 +30 49 55 |
STF 3018 AB,C |
2015 |
51 |
202 |
18.8 |
7.43 |
9.75 |
2.32 |
|
|
Show |
|
73306 |
23 30 26 +30 49 55 |
LV 25 AB,D |
2015 |
8 |
355 |
39.0 |
7.43 |
13.80 |
6.37 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
SAO |
73306 |
|
HIP |
116017 |
|
Tycho2 |
2765-01276-1 |
|
Gaia DR2 |
2869876947957928576 |
|
HD |
221264 |
|
GC |
32687 |
|
ADS |
16800 |
|
BD |
BD+30 4963 |
|
Distance |
68.07 |
|
Distance ly |
222.04 |
|
ORBITAL ELEMENTS
Period (P) | 48.4y | |
Periastron (T) | 1910y | |
Semi-major axis (a) | 0.189a | |
Eccentricity (e) | 0.43 | |
Inclination (i) | 142° | |
Longitude of periastron (ω) | 335° | |
Node (Ω) | 249° | |
Notes | n | |
Reference | Msn1998c | |
Equinox | 2000 | |
Last observation | 1996 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
21.0 |
0.144 |
2001 |
10.9 |
0.130 |
2002 |
358.3 |
0.116 |
2003 |
342.6 |
0.105 |
2004 |
323.9 |
0.098 |
2005 |
303.6 |
0.096 |
2006 |
283.8 |
0.100 |
2007 |
265.7 |
0.105 |
2008 |
249.5 |
0.111 |
2009 |
234.7 |
0.115 |
2010 |
220.8 |
0.118 |
2011 |
207.7 |
0.122 |
2012 |
195.3 |
0.126 |
2013 |
183.8 |
0.131 |
2014 |
173.2 |
0.137 |
2015 |
163.6 |
0.144 |
2016 |
155.0 |
0.152 |
2017 |
147.3 |
0.161 |
2018 |
140.4 |
0.171 |
2019 |
134.3 |
0.180 |
2020 |
128.8 |
0.190 |
2021 |
123.8 |
0.199 |
2022 |
119.2 |
0.208 |
2023 |
115.0 |
0.217 |
2024 |
111.2 |
0.225 |
2025 |
107.5 |
0.232 |
2026 |
104.1 |
0.239 |
2027 |
100.9 |
0.245 |
2028 |
97.8 |
0.250 |
2029 |
94.9 |
0.255 |
2030 |
92.0 |
0.258 |
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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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