22025+2612 A 307 (HD 209376)
22h 02m 29.85s +26° 12' 07.9" P.A. 125.00 sep 0.4 mag 9.70,9.76 Sp G
| Coord 2000 |
22025+2612 |
|
Discov num |
A 307 |
|
Comp |
|
|
Coord arcsec 2000 |
22 02 29.85 +26 12 07.9 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
38 |
|
| Pa first |
174 |
|
Pa last |
125.3 |
|
P.A. Now (θ) |
125.3° |
|
| Sep first |
1.0 |
|
Sep last |
0.401 |
|
Sep. Now (ρ) |
0.401" |
|
| Mag pri |
9.70 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
G (yellow) |
|
| Pri motion ra |
+080 |
|
Sec motion ra |
+080 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 209376 |
|
Constellation |
Pegasus |
|
Tycho2 |
2207-00093-1 |
|
Gaia DR2 |
1892647883822566784 |
|
| HD |
209376 |
|
ADS |
15569 |
|
ORBITAL ELEMENTS
| Period (P) | 1322.7327y | ± 698.8814 |
Periastron (T) | 1846.8989y | ± 202.0653 |
Semi-major axis (a) | 3.28254a | ± 2.0165 |
| Eccentricity (e) | 0.80682 | ± 0.15358 |
Inclination (i) | 96.278° | ± 10.407 |
Longitude of periastron (ω) | 300.129° | ± 48.84 |
| Node (Ω) | 179.798° | ± 33.159 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
139.6 |
0.535 |
| 2001 |
138.9 |
0.530 |
| 2002 |
138.2 |
0.525 |
| 2003 |
137.5 |
0.520 |
| 2004 |
136.8 |
0.515 |
| 2005 |
136.1 |
0.511 |
| 2006 |
135.4 |
0.506 |
| 2007 |
134.6 |
0.502 |
| 2008 |
133.9 |
0.497 |
| 2009 |
133.1 |
0.493 |
| 2010 |
132.3 |
0.489 |
| 2011 |
131.5 |
0.484 |
| 2012 |
130.7 |
0.480 |
| 2013 |
129.9 |
0.476 |
| 2014 |
129.0 |
0.472 |
| 2015 |
128.2 |
0.469 |
| 2016 |
127.3 |
0.465 |
| 2017 |
126.4 |
0.461 |
| 2018 |
125.5 |
0.458 |
| 2019 |
124.6 |
0.454 |
| 2020 |
123.7 |
0.451 |
| 2021 |
122.7 |
0.448 |
| 2022 |
121.8 |
0.445 |
| 2023 |
120.8 |
0.442 |
| 2024 |
119.8 |
0.439 |
| 2025 |
118.9 |
0.436 |
| 2026 |
117.9 |
0.434 |
| 2027 |
116.8 |
0.431 |
| 2028 |
115.8 |
0.429 |
| 2029 |
114.8 |
0.426 |
| 2030 |
113.7 |
0.424 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
