22146+2934 STF 2881 (HD 211139)
22h 14m 34.67s +29° 34' 20.6" P.A. 76.00 sep 1.3 mag 7.65,8.24 Sp F6III dist. 171.53 pc (559.53 l.y.)
Coord 2000 |
22146+2934 |
|
Discov num |
STF2881 |
|
Comp |
|
|
Coord arcsec 2000 |
22 14 34.67 +29 34 20.6 |
|
Date first |
1825 |
|
Date last |
2017 |
|
Obs |
274 |
|
Pa first |
111 |
|
Pa last |
75.6 |
|
P.A. Now (θ) |
75.6° |
|
Sep first |
1.8 |
|
Sep last |
1.29 |
|
Sep. Now (ρ) |
1.29" |
|
Mag pri |
7.65 |
|
Mag sec |
8.24 |
|
delta mag (ΔM) |
0.59 |
|
Spectral class |
F6III (yellow-white) |
|
Pri motion ra |
+029 |
|
Sec motion ra |
+029 |
|
Pri motion dec |
-032 |
|
Sec motion dec |
-032 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 211139 |
|
Constellation |
Pegasus |
|
SAO |
90348 |
|
HIP |
109815 |
|
Tycho2 |
2217-00435-1 |
|
Gaia DR2 |
1894958610587711232 |
|
HD |
211139 |
|
GC |
31118 |
|
ADS |
15769 |
|
BD |
BD+28 4327 |
|
Distance |
171.53 |
|
Distance ly |
559.53 |
|
ORBITAL ELEMENTS
Period (P) | 1345.3304y | ± 630.0929 |
Periastron (T) | 1764.5067y | ± 21.0447 |
Semi-major axis (a) | 4.07325a | ± 1.98442 |
Eccentricity (e) | 0.82377 | ± 0.13205 |
Inclination (i) | 100.17° | ± 4.715 |
Longitude of periastron (ω) | 285.332° | ± 13.759 |
Node (Ω) | 121.211° | ± 3.793 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
76.6 |
1.264 |
2001 |
76.3 |
1.261 |
2002 |
76.1 |
1.258 |
2003 |
75.8 |
1.256 |
2004 |
75.5 |
1.253 |
2005 |
75.2 |
1.250 |
2006 |
74.9 |
1.247 |
2007 |
74.6 |
1.244 |
2008 |
74.4 |
1.241 |
2009 |
74.1 |
1.239 |
2010 |
73.8 |
1.236 |
2011 |
73.5 |
1.233 |
2012 |
73.2 |
1.231 |
2013 |
72.9 |
1.228 |
2014 |
72.6 |
1.225 |
2015 |
72.3 |
1.223 |
2016 |
72.0 |
1.220 |
2017 |
71.7 |
1.217 |
2018 |
71.4 |
1.215 |
2019 |
71.1 |
1.212 |
2020 |
70.8 |
1.210 |
2021 |
70.5 |
1.207 |
2022 |
70.2 |
1.205 |
2023 |
69.9 |
1.202 |
2024 |
69.6 |
1.200 |
2025 |
69.3 |
1.197 |
2026 |
69.0 |
1.195 |
2027 |
68.6 |
1.193 |
2028 |
68.3 |
1.190 |
2029 |
68.0 |
1.188 |
2030 |
67.7 |
1.186 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|