22300+0426 STF 2912 Ba,Bb
22h 29m 57.00s +04° 25' 54.0" P.A. 287.00 sep 0.0 mag 7.84,8.22 Sp F2V dist. 51.87 pc (169.2 l.y.)
| Coord 2000 |
22300+0426 |
|
Discov num |
STF2912 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
22 29 57.00 +04 25 54.0 |
|
| Date first |
2015 |
|
Date last |
2021 |
|
Obs |
14 |
|
| Pa first |
269 |
|
Pa last |
286.8 |
|
P.A. Now (θ) |
286.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.041 |
|
Sep. Now (ρ) |
0.041" |
|
| Mag pri |
7.84 |
|
Mag sec |
8.22 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
F2V (yellow-white) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
|
|
| Pri motion dec |
-146 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22300+0426 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
37 Peg |
127551 |
22 29 58 +04 25 54 |
STF 2912 AB |
2021 |
378 |
298 |
0.2 |
5.75 |
7.26 |
1.51 |
Y |
|
| Show |
|
127551 |
22 29 57 +04 25 54 |
STF 2912 Ba,Bb |
2021 |
14 |
287 |
0.0 |
7.84 |
8.22 |
0.38 |
Y |
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
SAO |
127551 |
|
HIP |
111062 |
|
Tycho2 |
0563-00782-1 |
|
| HD |
213235 |
|
HR |
8566 |
|
GC |
31425 |
|
ADS |
15988 |
|
| BD |
BD+03 4713 |
|
Distance |
51.87 |
|
Distance ly |
169.2 |
|
ORBITAL ELEMENTS
| Period (P) | 2.113y | ± 0.017 |
Periastron (T) | 2016.6y | ± 0.06 |
Semi-major axis (a) | 0.0412a | ± 0.0012 |
| Eccentricity (e) | 0.193 | ± 0.027 |
Inclination (i) | 113.1° | ± 1.7 |
Longitude of periastron (ω) | 151.3° | ± 9 |
| Node (Ω) | 266.9° | ± 2 |
Notes | n | |
Reference | Tok2021b | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
66.8 |
0.029 |
| 2001 |
266.5 |
0.048 |
| 2002 |
79.4 |
0.034 |
| 2003 |
272.0 |
0.048 |
| 2004 |
90.4 |
0.033 |
| 2005 |
277.8 |
0.045 |
| 2006 |
103.8 |
0.028 |
| 2007 |
284.8 |
0.040 |
| 2008 |
128.1 |
0.019 |
| 2009 |
294.5 |
0.033 |
| 2010 |
180.8 |
0.014 |
| 2011 |
310.1 |
0.025 |
| 2012 |
225.6 |
0.021 |
| 2013 |
338.6 |
0.018 |
| 2014 |
244.6 |
0.031 |
| 2015 |
20.0 |
0.018 |
| 2016 |
254.7 |
0.040 |
| 2017 |
51.1 |
0.023 |
| 2018 |
261.6 |
0.045 |
| 2019 |
68.9 |
0.030 |
| 2020 |
267.3 |
0.048 |
| 2021 |
81.1 |
0.034 |
| 2022 |
272.8 |
0.047 |
| 2023 |
92.1 |
0.033 |
| 2024 |
278.8 |
0.044 |
| 2025 |
106.4 |
0.026 |
| 2026 |
286.0 |
0.039 |
| 2027 |
133.9 |
0.017 |
| 2028 |
296.3 |
0.031 |
| 2029 |
189.8 |
0.015 |
| 2030 |
313.3 |
0.024 |
|
|
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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