23228+2034 STF 3007 AB (HD 220334)
23h 22m 48.67s +20° 33' 32.2" P.A. 92.00 sep 5.9 mag 6.74,9.78 Sp G2V+dK6 dist. 37.38 pc (121.93 l.y.)
| Coord 2000 |
23228+2034 |
|
Discov num |
STF3007 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 22 48.67 +20 33 32.2 |
|
| Date first |
1829 |
|
Date last |
2022 |
|
Obs |
284 |
|
| Pa first |
79 |
|
Pa last |
92.1 |
|
P.A. Now (θ) |
92.1° |
|
| Sep first |
5.7 |
|
Sep last |
5.85 |
|
Sep. Now (ρ) |
5.85" |
|
| Mag pri |
6.74 |
|
Mag sec |
9.78 |
|
delta mag (ΔM) |
3.04 |
|
Spectral class |
G2V+dK6 (yellow) |
|
| Pri motion ra |
+313 |
|
Sec motion ra |
+315 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-011 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.007 (< 0.3, Physical double)
This double is physical.
23228+2034 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 220334 |
91222 |
23 22 49 +20 33 32 |
STF 3007 AB |
2022 |
284 |
92 |
5.9 |
6.74 |
9.78 |
3.04 |
Y |
<=== |
| Show |
|
91222 |
23 22 49 +20 33 32 |
STF 3007 AC |
2017 |
23 |
305 |
103.8 |
6.74 |
10.86 |
4.12 |
|
|
| Show |
|
|
23 22 49 +20 33 32 |
TOK 704 Ba,Bb |
2021 |
6 |
187 |
0.8 |
6.40 |
8.40 |
2.00 |
Y |
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 220334 |
|
Constellation |
Pegasus |
|
SAO |
91222 |
|
HIP |
115417 |
|
| Tycho2 |
1719-02297-1 |
|
Gaia DR2 |
2825753374536867584 |
|
HD |
220334 |
|
GC |
32537 |
|
| ADS |
16713 |
|
BD |
BD+19 5093 |
|
Distance |
37.38 |
|
Distance ly |
121.93 |
|
ORBITAL ELEMENTS
| Period (P) | 2161y | |
Periastron (T) | 1904.5y | |
Semi-major axis (a) | 6.053a | |
| Eccentricity (e) | 0 | |
Inclination (i) | 58° | |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 84.4° | |
Notes | | |
Reference | Tok2016d | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
93.0 |
5.887 |
| 2001 |
93.1 |
5.884 |
| 2002 |
93.2 |
5.880 |
| 2003 |
93.3 |
5.877 |
| 2004 |
93.4 |
5.873 |
| 2005 |
93.5 |
5.870 |
| 2006 |
93.6 |
5.866 |
| 2007 |
93.6 |
5.862 |
| 2008 |
93.7 |
5.859 |
| 2009 |
93.8 |
5.855 |
| 2010 |
93.9 |
5.851 |
| 2011 |
94.0 |
5.847 |
| 2012 |
94.1 |
5.844 |
| 2013 |
94.2 |
5.840 |
| 2014 |
94.3 |
5.836 |
| 2015 |
94.4 |
5.832 |
| 2016 |
94.5 |
5.828 |
| 2017 |
94.6 |
5.824 |
| 2018 |
94.7 |
5.820 |
| 2019 |
94.8 |
5.816 |
| 2020 |
94.9 |
5.812 |
| 2021 |
95.0 |
5.808 |
| 2022 |
95.1 |
5.804 |
| 2023 |
95.2 |
5.799 |
| 2024 |
95.3 |
5.795 |
| 2025 |
95.4 |
5.791 |
| 2026 |
95.5 |
5.787 |
| 2027 |
95.6 |
5.782 |
| 2028 |
95.6 |
5.778 |
| 2029 |
95.7 |
5.774 |
| 2030 |
95.8 |
5.769 |
|
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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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