23267+4103 GII 308 Aa,Ab
23h 26m 43.36s +41° 02' 45.2" P.A. 124.00 sep 0.1 mag 8.30,8.30 Sp A5 dist. 95.6 pc (311.85 l.y.)
| Coord 2000 |
23267+4103 |
|
Discov num |
GII 308 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
23 26 43.36 +41 02 45.2 |
|
| Date first |
2014 |
|
Date last |
2014 |
|
Obs |
1 |
|
| Pa first |
124 |
|
Pa last |
124.2 |
|
P.A. Now (θ) |
124.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.134 |
|
Sep. Now (ρ) |
0.134" |
|
| Mag pri |
8.30 |
|
Mag sec |
8.30 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+036 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
|
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Nature of this double is uncertain.
23267+4103 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
53028 |
23 26 43 +41 02 45 |
GII 308 Aa,Ab |
2014 |
1 |
124 |
0.1 |
8.30 |
8.30 |
0.00 |
Y |
<=== |
| Show |
HD 220834 |
53028 |
23 26 43 +41 02 45 |
COU 1845 AB |
2016 |
24 |
1 |
0.9 |
7.90 |
9.27 |
1.37 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Andromeda |
|
SAO |
53028 |
|
HIP |
115723 |
|
Tycho2 |
3234-01089-1 |
|
| HD |
220834 |
|
BD |
BD+40 5078 |
|
Distance |
95.6 |
|
Distance ly |
311.85 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 23267+4103 COU1845 |
| coord_arcsec_2000 | 232643.36+410245.2 |
| Period (P) | 619.2y | ± 109.1 |
Periastron (T) | 1932.8y | ± 1.7 |
Semi-major axis (a) | 1a | ± 0.12 |
| Eccentricity (e) | 0.663 | ± 0.036 |
Inclination (i) | 64.5° | ± 3.3 |
Longitude of periastron (ω) | 56° | ± 10.6 |
| Node (Ω) | 178.2° | ± 0.4 |
Notes | | |
Reference | Ksr2021 | |
| Equinox | | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
356.5 |
0.837 |
| 2001 |
356.8 |
0.845 |
| 2002 |
357.0 |
0.853 |
| 2003 |
357.3 |
0.861 |
| 2004 |
357.5 |
0.869 |
| 2005 |
357.8 |
0.877 |
| 2006 |
358.0 |
0.884 |
| 2007 |
358.2 |
0.892 |
| 2008 |
358.5 |
0.899 |
| 2009 |
358.7 |
0.907 |
| 2010 |
358.9 |
0.914 |
| 2011 |
359.2 |
0.921 |
| 2012 |
359.4 |
0.928 |
| 2013 |
359.6 |
0.935 |
| 2014 |
359.8 |
0.941 |
| 2015 |
|
0.948 |
| 2016 |
0.2 |
0.954 |
| 2017 |
0.4 |
0.961 |
| 2018 |
0.6 |
0.967 |
| 2019 |
0.8 |
0.973 |
| 2020 |
1.0 |
0.979 |
| 2021 |
1.2 |
0.985 |
| 2022 |
1.4 |
0.991 |
| 2023 |
1.6 |
0.997 |
| 2024 |
1.8 |
1.003 |
| 2025 |
2.0 |
1.009 |
| 2026 |
2.2 |
1.014 |
| 2027 |
2.3 |
1.020 |
| 2028 |
2.5 |
1.025 |
| 2029 |
2.7 |
1.031 |
| 2030 |
2.9 |
1.036 |
|
|
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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