22514+2623 HO 482 AB
22h 51m 26.66s +26° 23' 27.9" P.A. 13.00 sep 0.6 mag 7.34,8.29 Sp A9V dist. 132.63 pc (432.64 l.y.)
| Coord 2000 |
22514+2623 |
|
Discov num |
HO 482 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 51 26.66 +26 23 27.9 |
|
| Date first |
1889 |
|
Date last |
2017 |
|
Obs |
150 |
|
| Pa first |
340 |
|
Pa last |
12.7 |
|
P.A. Now (θ) |
12.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.561 |
|
Sep. Now (ρ) |
0.593" |
|
| Mag pri |
7.34 |
|
Mag sec |
8.29 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
22514+2623 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
90833 |
22 51 27 +26 23 28 |
HO 482 AB |
2017 |
150 |
13 |
0.6 |
7.34 |
8.29 |
0.95 |
Y |
<=== |
| Show |
HD 216285 |
90833 |
22 51 27 +26 23 28 |
HO 482 AB,C |
2017 |
18 |
197 |
50.0 |
6.99 |
10.97 |
3.98 |
|
|
| Show |
|
90833 |
22 51 27 +26 23 28 |
ARN 22 AB,D |
2012 |
12 |
114 |
204.4 |
6.99 |
9.30 |
2.31 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
SAO |
90833 |
|
HIP |
112871 |
|
Tycho2 |
2229-01549-1 |
|
| HD |
216285 |
|
GC |
31876 |
|
ADS |
16314 |
|
BD |
BD+25 4828 |
|
| Distance |
132.63 |
|
Distance ly |
432.64 |
|
ORBITAL ELEMENTS
| Period (P) | 383y | ± 72 |
Periastron (T) | 1925.18y | ± 0.85 |
Semi-major axis (a) | 0.555a | ± 0.026 |
| Eccentricity (e) | 0.608 | ± 0.05 |
Inclination (i) | 121.9° | ± 1.4 |
Longitude of periastron (ω) | 347.2° | ± 1.4 |
| Node (Ω) | 166.1° | ± 1.8 |
Notes | n | |
Reference | Pru2014 | |
| Equinox | 2000 | |
Last observation | 2011 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
23.1 |
0.458 |
| 2001 |
22.5 |
0.465 |
| 2002 |
21.9 |
0.471 |
| 2003 |
21.4 |
0.477 |
| 2004 |
20.9 |
0.483 |
| 2005 |
20.3 |
0.490 |
| 2006 |
19.8 |
0.496 |
| 2007 |
19.4 |
0.502 |
| 2008 |
18.9 |
0.508 |
| 2009 |
18.4 |
0.514 |
| 2010 |
18.0 |
0.520 |
| 2011 |
17.5 |
0.526 |
| 2012 |
17.1 |
0.532 |
| 2013 |
16.7 |
0.537 |
| 2014 |
16.2 |
0.543 |
| 2015 |
15.8 |
0.549 |
| 2016 |
15.4 |
0.555 |
| 2017 |
15.0 |
0.560 |
| 2018 |
14.7 |
0.566 |
| 2019 |
14.3 |
0.571 |
| 2020 |
13.9 |
0.577 |
| 2021 |
13.6 |
0.582 |
| 2022 |
13.2 |
0.588 |
| 2023 |
12.8 |
0.593 |
| 2024 |
12.5 |
0.598 |
| 2025 |
12.2 |
0.604 |
| 2026 |
11.8 |
0.609 |
| 2027 |
11.5 |
0.614 |
| 2028 |
11.2 |
0.619 |
| 2029 |
10.9 |
0.624 |
| 2030 |
10.6 |
0.629 |
|
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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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