22240+0612 RAO 27 Aa,Ab (HD 212426)
22h 24m 01.31s +06° 12' 10.2" P.A. 331.00 sep 0.1 mag 8.20,8.00 Sp G0 dist. 52.52 pc (171.32 l.y.)
| Coord 2000 |
22240+0612 |
|
Discov num |
RAO 27 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
22 24 01.31 +06 12 10.2 |
|
| Date first |
2012 |
|
Date last |
2020 |
|
Obs |
8 |
|
| Pa first |
327 |
|
Pa last |
331 |
|
P.A. Now (θ) |
148.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.118" |
|
| Mag pri |
8.20 |
|
Mag sec |
8.00 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+035 |
|
Sec motion ra |
|
|
| Pri motion dec |
-048 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22240+0612 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 212426 |
127506 |
22 24 01 +06 12 10 |
RAO 27 Aa,Ab |
2020 |
8 |
331 |
0.1 |
8.20 |
8.00 |
0.20 |
Y |
<=== |
| Show |
|
|
22 24 01 +06 12 10 |
TOK 350 AB |
2016 |
8 |
7 |
171.3 |
8.20 |
15.88 |
7.68 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 212426 |
|
Constellation |
Pegasus |
|
SAO |
127506 |
|
HIP |
110574 |
|
| Tycho2 |
0566-00446-1 |
|
Gaia DR2 |
2710047638481130240 |
|
HD |
212426 |
|
BD |
BD+05 5015 |
|
| Distance |
52.52 |
|
Distance ly |
171.32 |
|
ORBITAL ELEMENTS
| Period (P) | 11.24y | ± 0.36 |
Periastron (T) | 2015.88y | ± 0.1 |
Semi-major axis (a) | 0.097a | ± 0.002 |
| Eccentricity (e) | 0.403 | ± 0.014 |
Inclination (i) | 94.7° | ± 0.8 |
Longitude of periastron (ω) | 181.4° | ± 3.6 |
| Node (Ω) | 150.7° | ± 0.6 |
Notes | n | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
149.3 |
0.128 |
| 2001 |
147.7 |
0.104 |
| 2002 |
144.4 |
0.065 |
| 2003 |
119.4 |
0.014 |
| 2004 |
335.8 |
0.044 |
| 2005 |
328.0 |
0.052 |
| 2006 |
248.5 |
0.007 |
| 2007 |
158.0 |
0.056 |
| 2008 |
154.0 |
0.098 |
| 2009 |
152.2 |
0.125 |
| 2010 |
150.9 |
0.136 |
| 2011 |
149.7 |
0.131 |
| 2012 |
148.1 |
0.111 |
| 2013 |
145.5 |
0.076 |
| 2014 |
134.7 |
0.026 |
| 2015 |
339.7 |
0.032 |
| 2016 |
329.8 |
0.057 |
| 2017 |
309.2 |
0.016 |
| 2018 |
160.2 |
0.044 |
| 2019 |
154.6 |
0.090 |
| 2020 |
152.6 |
0.120 |
| 2021 |
151.2 |
0.135 |
| 2022 |
150.0 |
0.134 |
| 2023 |
148.6 |
0.118 |
| 2024 |
146.4 |
0.086 |
| 2025 |
139.9 |
0.039 |
| 2026 |
348.2 |
0.020 |
| 2027 |
331.4 |
0.058 |
| 2028 |
320.6 |
0.029 |
| 2029 |
164.3 |
0.031 |
| 2030 |
155.4 |
0.080 |
|
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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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