22248+2233 HO 183 AB
22h 24m 45.44s +22° 33' 03.3" P.A. 221.00 sep 2.5 mag 9.02,11.55 Sp K7 dist. 21.58 pc (70.39 l.y.)
| Coord 2000 |
22248+2233 |
|
Discov num |
HO 183 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 24 45.44 +22 33 03.3 |
|
| Date first |
1883 |
|
Date last |
2016 |
|
Obs |
30 |
|
| Pa first |
217 |
|
Pa last |
221.3 |
|
P.A. Now (θ) |
221.3° |
|
| Sep first |
2.1 |
|
Sep last |
2.48 |
|
Sep. Now (ρ) |
2.48" |
|
| Mag pri |
9.02 |
|
Mag sec |
11.55 |
|
delta mag (ΔM) |
2.53 |
|
Spectral class |
K7 (yellow-orange) |
|
| Pri motion ra |
-200 |
|
Sec motion ra |
-190 |
|
| Pri motion dec |
-096 |
|
Sec motion dec |
-090 |
|
| Notes |
O
(Orbital solution) |
|
rPM=0.053 (< 0.3, Physical double)
This double is physical.
22248+2233 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
22 24 45 +22 33 03 |
HO 183 AB |
2016 |
30 |
221 |
2.5 |
9.02 |
11.55 |
2.53 |
Y |
<=== |
| Show |
|
|
22 24 45 +22 33 03 |
HO 183 AC |
2015 |
7 |
52 |
74.0 |
9.02 |
13.15 |
4.13 |
|
|
| Show |
|
|
22 24 45 +22 33 03 |
LEP 106 AD |
2016 |
5 |
197 |
147.2 |
9.02 |
15.50 |
6.48 |
|
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
HIP |
110640 |
|
Tycho2 |
2218-01309-1 |
|
Gaia DR2 |
1875076004382831616 |
|
| ADS |
15915 |
|
GL |
Gl 857.1A |
|
BD |
BD+21 4747 |
|
Distance |
21.58 |
|
| Distance ly |
70.39 |
|
ORBITAL ELEMENTS
| Period (P) | 129.2425y | ± 8.3246 |
Periastron (T) | 1973.1932y | ± 2.1511 |
Semi-major axis (a) | 2.4799a | ± 0.60854 |
| Eccentricity (e) | 0.99 | ± 0.00804 |
Inclination (i) | 120.596° | ± 9.962 |
Longitude of periastron (ω) | 85.306° | ± 18.42 |
| Node (Ω) | 117.37° | ± 34.397 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
224.9 |
2.002 |
| 2001 |
224.6 |
2.034 |
| 2002 |
224.3 |
2.064 |
| 2003 |
224.0 |
2.093 |
| 2004 |
223.8 |
2.121 |
| 2005 |
223.5 |
2.148 |
| 2006 |
223.2 |
2.174 |
| 2007 |
223.0 |
2.199 |
| 2008 |
222.7 |
2.223 |
| 2009 |
222.5 |
2.246 |
| 2010 |
222.2 |
2.267 |
| 2011 |
222.0 |
2.288 |
| 2012 |
221.8 |
2.308 |
| 2013 |
221.5 |
2.327 |
| 2014 |
221.3 |
2.345 |
| 2015 |
221.1 |
2.362 |
| 2016 |
220.9 |
2.379 |
| 2017 |
220.7 |
2.394 |
| 2018 |
220.4 |
2.409 |
| 2019 |
220.2 |
2.422 |
| 2020 |
220.0 |
2.435 |
| 2021 |
219.8 |
2.447 |
| 2022 |
219.6 |
2.459 |
| 2023 |
219.4 |
2.469 |
| 2024 |
219.2 |
2.479 |
| 2025 |
219.0 |
2.488 |
| 2026 |
218.8 |
2.496 |
| 2027 |
218.6 |
2.503 |
| 2028 |
218.4 |
2.510 |
| 2029 |
218.2 |
2.516 |
| 2030 |
218.0 |
2.521 |
|
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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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