20223+4546 POP 144 (NSV13050)
20h 22m 14.70s +45° 46' 41.0" P.A. 121.00 sep 6.0 mag 13.00,13.50 dist. 124.22 pc (405.21 l.y.)
| Coord 2000 |
20223+4546 |
|
Discov num |
POP 144 |
|
Comp |
|
|
Coord arcsec 2000 |
20 22 14.70 +45 46 41.0 |
|
| Date first |
1979 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
120 |
|
Pa last |
120.5 |
|
P.A. Now (θ) |
120.5° |
|
| Sep first |
5.5 |
|
Sep last |
5.985 |
|
Sep. Now (ρ) |
5.985" |
|
| Mag pri |
13.00 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
+021 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=1.623
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV13050 |
|
Spectr |
K0IIIvar |
|
Constellation |
Cygnus |
|
SAO |
49531 |
|
| HIP |
100437 |
|
Tycho2 |
3572-02102-1 |
|
Gaia DR2 |
2082998905947311232 |
|
HD |
194152 |
|
| HR |
7798 |
|
BD |
BD+45 3152 |
|
Distance |
124.22 |
|
Distance ly |
405.21 |
|
ORBITAL ELEMENTS
| Period (P) | 1124.06d (3.08y) | |
Periastron (T) | 49281d (1993.803y) | |
Semi-major axis (a) | 4.3m | ± 0.6 |
| Eccentricity (e) | 0.759 | |
Inclination (i) | 23.9° | ± 9 |
Longitude of periastron (ω) | 108.1° | |
| Node (Ω) | 243.5° | ± 3.8 |
Notes | n | |
Reference | Ren2013 | |
| Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
42.5 |
0.001 |
| 2001-01-01 |
159.2 |
0.006 |
| 2002-01-01 |
187.0 |
0.007 |
| 2003-01-01 |
306.5 |
0.001 |
| 2004-01-01 |
156.7 |
0.006 |
| 2005-01-01 |
184.7 |
0.007 |
| 2006-01-01 |
257.1 |
0.002 |
| 2007-01-01 |
154.1 |
0.006 |
| 2008-01-01 |
182.5 |
0.007 |
| 2009-01-01 |
237.5 |
0.003 |
| 2010-01-01 |
151.2 |
0.006 |
| 2011-01-01 |
180.4 |
0.007 |
| 2012-01-01 |
226.3 |
0.003 |
| 2013-01-01 |
148.1 |
0.006 |
| 2014-01-01 |
178.3 |
0.007 |
| 2015-01-01 |
218.5 |
0.004 |
| 2016-01-01 |
144.7 |
0.005 |
| 2017-01-01 |
176.2 |
0.007 |
| 2018-01-01 |
212.6 |
0.004 |
| 2019-01-01 |
140.8 |
0.005 |
| 2020-01-01 |
174.2 |
0.007 |
| 2021-01-01 |
207.8 |
0.005 |
| 2022-01-01 |
136.3 |
0.005 |
| 2023-01-01 |
172.1 |
0.007 |
| 2024-01-01 |
203.8 |
0.005 |
| 2025-01-01 |
131.0 |
0.004 |
| 2026-01-01 |
170.0 |
0.007 |
| 2027-01-01 |
200.3 |
0.005 |
| 2028-01-01 |
124.3 |
0.004 |
| 2029-01-01 |
168.0 |
0.007 |
| 2030-01-01 |
197.1 |
0.006 |
|
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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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